Refactor project file into its own crate

.dir-locals.el

@@ -1,2 +0,0 @@
-((nil . ((eglot-luau-rojo-project-path . "plugin.project.json")
-         (eglot-luau-rojo-sourcemap-enabled . 't))))

.editorconfig

@@ -23,7 +23,4 @@ insert_final_newline = true
 insert_final_newline = true
 
 [*.lua]
-indent_style = tab
-
-[*.luau]
 indent_style = tab

.git-blame-ignore-revs

@@ -1,2 +0,0 @@
-# stylua formatting
-0f8e1625d572a5fe0f7b5c08653ff92cc837d346

.gitattributes

@@ -1 +0,0 @@
-*.lua linguist-language=Luau

.github/FUNDING.yml

@@ -0,0 +1 @@
+patreon: lpghatguy

.github/workflows/changelog.yml

@@ -1,23 +0,0 @@
-name: Changelog Check
-
-on:
-  pull_request:
-    types: [assigned, opened, synchronize, reopened, labeled, unlabeled]
-    branches:
-      - master
-
-jobs:
-  build:
-    name: Check Actions
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-
-    - name: Changelog check
-      uses: Zomzog/changelog-checker@v1.3.0
-      with:
-        fileName: CHANGELOG.md
-        noChangelogLabel: skip changelog
-        checkNotification: Simple
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/ci.yml

@@ -12,28 +12,23 @@ on:
 jobs:
   build:
     name: Build and Test
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        os: [ubuntu-22.04, windows-latest, macos-latest, windows-11-arm, ubuntu-22.04-arm]
+        rust_version: [stable, 1.55.0]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v3
       with:
         submodules: true
 
     - name: Install Rust
-      uses: dtolnay/rust-toolchain@stable
-
-    - name: Restore Rust Cache
-      uses: actions/cache/restore@v4
+      uses: actions-rs/toolchain@v1
       with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target
-        key: ${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+        toolchain: ${{ matrix.rust_version }}
+        override: true
+        profile: minimal
 
     - name: Build
       run: cargo build --locked --verbose
@@ -41,93 +36,24 @@ jobs:
     - name: Test
       run: cargo test --locked --verbose
 
-    - name: Save Rust Cache
-      uses: actions/cache/save@v4
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target
-        key: ${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
-  msrv:
-    name: Check MSRV
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: true
-
-    - name: Install Rust
-      uses: dtolnay/rust-toolchain@1.88.0
-
-    - name: Restore Rust Cache
-      uses: actions/cache/restore@v4
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target
-        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Build
-      run: cargo build --locked --verbose
-
-    - name: Save Rust Cache
-      uses: actions/cache/save@v4
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target
-        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
   lint:
-    name: Rustfmt, Clippy, Stylua, & Selene
+    name: Rustfmt and Clippy
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v3
       with:
         submodules: true
 
     - name: Install Rust
-      uses: dtolnay/rust-toolchain@stable
+      uses: actions-rs/toolchain@v1
       with:
+        toolchain: stable
+        override: true
         components: rustfmt, clippy
 
-    - name: Restore Rust Cache
-      uses: actions/cache/restore@v4
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target
-        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Setup Rokit
-      uses: CompeyDev/setup-rokit@v0.1.2
-      with:
-        version: 'v1.1.0'
-
-    - name: Stylua
-      run: stylua --check plugin/src
-
-    - name: Selene
-      run: selene plugin/src
-
     - name: Rustfmt
       run: cargo fmt -- --check
 
     - name: Clippy
-      run: cargo clippy
-
-    - name: Save Rust Cache
-      uses: actions/cache/save@v4
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target
-        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      run: cargo clippy

.github/workflows/release.yml

@@ -8,39 +8,49 @@ jobs:
   create-release:
     name: Create Release
     runs-on: ubuntu-latest
+    outputs:
+      upload_url: ${{ steps.create_release.outputs.upload_url }}
     steps:
-      - uses: actions/checkout@v4
       - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          gh release create ${{ github.ref_name }} --draft --verify-tag --title ${{ github.ref_name }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          draft: true
+          prerelease: false
 
   build-plugin:
     needs: ["create-release"]
     name: Build Roblox Studio Plugin
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v3
         with:
           submodules: true
 
-      - name: Setup Rokit
-        uses: CompeyDev/setup-rokit@v0.1.2
+      - name: Setup Foreman
+        uses: Roblox/setup-foreman@v1
         with:
-          version: 'v1.1.0'
+          token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build Plugin
-        run: rojo build plugin.project.json --output Rojo.rbxm
+        run: rojo build plugin --output Rojo.rbxm
 
       - name: Upload Plugin to Release
+        uses: actions/upload-release-asset@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          gh release upload ${{ github.ref_name }} Rojo.rbxm
+        with:
+          upload_url: ${{ needs.create-release.outputs.upload_url }}
+          asset_path: Rojo.rbxm
+          asset_name: Rojo.rbxm
+          asset_content_type: application/octet-stream
 
       - name: Upload Plugin to Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: Rojo.rbxm
           path: Rojo.rbxm
@@ -51,31 +61,25 @@ jobs:
       fail-fast: false
       matrix:
         # https://doc.rust-lang.org/rustc/platform-support.html
+        #
+        # FIXME: After the Rojo VS Code extension updates, add architecture
+        # names to each of these releases. We'll rename win64 to windows and add
+        # -x86_64 to each release.
         include:
           - host: linux
-            os: ubuntu-22.04
+            os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
-            label: linux-x86_64
-
-          - host: linux
-            os: ubuntu-22.04-arm
-            target: aarch64-unknown-linux-gnu
-            label: linux-aarch64
+            label: linux
 
           - host: windows
             os: windows-latest
             target: x86_64-pc-windows-msvc
-            label: windows-x86_64
-
-          - host: windows
-            os: windows-11-arm
-            target: aarch64-pc-windows-msvc
-            label: windows-aarch64
+            label: win64
 
           - host: macos
             os: macos-latest
             target: x86_64-apple-darwin
-            label: macos-x86_64
+            label: macos
 
           - host: macos
             os: macos-latest
@@ -87,64 +91,63 @@ jobs:
     env:
       BIN: rojo
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v3
         with:
           submodules: true
 
-      - name: Install Rust
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          targets: ${{ matrix.target }}
+      - name: Get Version from Tag
+        shell: bash
+        # https://github.community/t/how-to-get-just-the-tag-name/16241/7#M1027
+        run: |
+          echo "PROJECT_VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
+          echo "Version is: ${{ env.PROJECT_VERSION }}"
 
-      - name: Restore Rust Cache
-        uses: actions/cache/restore@v4
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
         with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          toolchain: stable
+          target: ${{ matrix.target }}
+          override: true
+          profile: minimal
 
       - name: Build Release
-        run: cargo build --release --locked --verbose --target ${{ matrix.target }}
-
-      - name: Save Rust Cache
-        uses: actions/cache/save@v4
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
-      - name: Generate Artifact Name
-        shell: bash
+        run: cargo build --release --locked --verbose
         env:
-          TAG_NAME: ${{ github.ref_name }}
-        run: |
-          echo "ARTIFACT_NAME=$BIN-${TAG_NAME#v}-${{ matrix.label }}.zip" >> "$GITHUB_ENV"
+          # Build into a known directory so we can find our build artifact more
+          # easily.
+          CARGO_TARGET_DIR: output
 
-      - name: Create Archive and Upload to Release
+          # On platforms that use OpenSSL, ensure it is statically linked to
+          # make binaries more portable.
+          OPENSSL_STATIC: 1
+
+      - name: Create Release Archive
         shell: bash
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           mkdir staging
 
           if [ "${{ matrix.host }}" = "windows" ]; then
-            cp "target/${{ matrix.target }}/release/$BIN.exe" staging/
+            cp "output/release/$BIN.exe" staging/
             cd staging
-            7z a ../$ARTIFACT_NAME *
+            7z a ../release.zip *
           else
-            cp "target/${{ matrix.target }}/release/$BIN" staging/
+            cp "output/release/$BIN" staging/
             cd staging
-            zip ../$ARTIFACT_NAME *
+            zip ../release.zip *
           fi
 
-          gh release upload ${{ github.ref_name }} ../$ARTIFACT_NAME
+      - name: Upload Archive to Release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.create-release.outputs.upload_url }}
+          asset_path: release.zip
+          asset_name: ${{ env.BIN }}-${{ env.PROJECT_VERSION }}-${{ matrix.label }}.zip
+          asset_content_type: application/octet-stream
 
       - name: Upload Archive to Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
-          path: ${{ env.ARTIFACT_NAME }}
-          name: ${{ env.ARTIFACT_NAME }}
+          name: ${{ env.BIN }}-${{ env.PROJECT_VERSION }}-${{ matrix.label }}.zip
+          path: release.zip

.gitignore

@@ -10,8 +10,8 @@
 /*.rbxl
 /*.rbxlx
 
-# Sourcemap for the Rojo plugin (for better intellisense)
-/sourcemap.json
+# Test places for the Roblox Studio Plugin
+/plugin/*.rbxlx
 
 # Roblox Studio holds 'lock' files on places
 *.rbxl.lock
@@ -20,9 +20,5 @@
 # Snapshot files from the 'insta' Rust crate
 **/*.snap.new
 
-# Macos file system junk
-._*
-.DS_STORE
-
-# JetBrains IDEs
-/.idea/
+# Selene generates a roblox.toml file that should not be checked in.
+/roblox.toml

.gitmodules

@@ -1,18 +1,15 @@
-[submodule "plugin/Packages/Roact"]
-	path = plugin/Packages/Roact
-	url = https://github.com/roblox/roact.git
-[submodule "plugin/Packages/Flipper"]
-	path = plugin/Packages/Flipper
-	url = https://github.com/reselim/flipper.git
-[submodule "plugin/Packages/Promise"]
-	path = plugin/Packages/Promise
-	url = https://github.com/evaera/roblox-lua-promise.git
-[submodule "plugin/Packages/t"]
-	path = plugin/Packages/t
+[submodule "plugin/modules/roact"]
+	path = plugin/modules/roact
+	url = https://github.com/Roblox/roact.git
+[submodule "plugin/modules/testez"]
+	path = plugin/modules/testez
+	url = https://github.com/Roblox/testez.git
+[submodule "plugin/modules/promise"]
+	path = plugin/modules/promise
+	url = https://github.com/LPGhatguy/roblox-lua-promise.git
+[submodule "plugin/modules/t"]
+	path = plugin/modules/t
 	url = https://github.com/osyrisrblx/t.git
-[submodule "plugin/Packages/TestEZ"]
-	path = plugin/Packages/TestEZ
-	url = https://github.com/roblox/testez.git
-[submodule "plugin/Packages/Highlighter"]
-	path = plugin/Packages/Highlighter
-	url = https://github.com/boatbomber/highlighter.git
+[submodule "plugin/modules/flipper"]
+	path = plugin/modules/flipper
+	url = https://github.com/Reselim/Flipper

.luacheckrc

@@ -0,0 +1,58 @@
+stds.roblox = {
+	read_globals = {
+		game = {
+			other_fields = true,
+		},
+
+		-- Roblox globals
+		"script",
+
+		-- Extra functions
+		"tick", "warn", "spawn",
+		"wait", "settings", "typeof",
+
+		-- Types
+		"Vector2", "Vector3",
+		"Vector2int16", "Vector3int16",
+		"Color3",
+		"UDim", "UDim2",
+		"Rect",
+		"CFrame",
+		"Enum",
+		"Instance",
+		"DockWidgetPluginGuiInfo",
+	}
+}
+
+stds.plugin = {
+	read_globals = {
+		"plugin",
+	}
+}
+
+stds.testez = {
+	read_globals = {
+		"describe",
+		"it", "itFOCUS", "itSKIP", "itFIXME",
+		"FOCUS", "SKIP", "HACK_NO_XPCALL",
+		"expect",
+	}
+}
+
+ignore = {
+	"212", -- unused arguments
+	"421", -- shadowing local variable
+	"422", -- shadowing argument
+	"431", -- shadowing upvalue
+	"432", -- shadowing upvalue argument
+}
+
+std = "lua51+roblox"
+
+files["**/*.server.lua"] = {
+	std = "+plugin",
+}
+
+files["**/*.spec.lua"] = {
+	std = "+testez",
+}

.vscode/extensions.json

@@ -1,8 +0,0 @@
-{
-  "recommendations": [
-    "JohnnyMorganz.luau-lsp",
-    "JohnnyMorganz.stylua",
-    "Kampfkarren.selene-vscode",
-    "rust-lang.rust-analyzer"
-  ]
-}

.vscode/settings.json

@@ -1,4 +0,0 @@
-{
-  "luau-lsp.sourcemap.rojoProjectFile": "plugin.project.json",
-  "luau-lsp.sourcemap.autogenerate": true
-}

CONTRIBUTING.md

@@ -15,29 +15,12 @@ You'll want these tools to work on Rojo:
 
 * Latest stable Rust compiler
 * Latest stable [Rojo](https://github.com/rojo-rbx/rojo)
-* [Rokit](https://github.com/rojo-rbx/rokit)
-* [Luau Language Server](https://github.com/JohnnyMorganz/luau-lsp) (Only needed if working on the Studio plugin.)
-
-When working on the Studio plugin, we recommend using this command to automatically rebuild the plugin when you save a change:
-
-*(Make sure you've enabled the Studio setting to reload plugins on file change!)*
-
-```bash
-bash scripts/watch-build-plugin.sh
-```
-
-You can also run the plugin's unit tests with the following:
-
-*(Make sure you have `run-in-roblox` installed first!)*
-
-```bash
-bash scripts/unit-test-plugin.sh
-```
+* [Foreman](https://github.com/Roblox/foreman)
 
 ## Documentation
 Documentation impacts way more people than the individual lines of code we write.
 
-If you find any problems in the documentation, including typos, bad grammar, misleading phrasing, or missing content, feel free to file issues and pull requests to fix them.
+If you find any problems in documentation, including typos, bad grammar, misleading phrasing, or missing content, feel free to file issues and pull requests to fix them.
 
 ## Bug Reports and Feature Requests
 Most of the tools around Rojo try to be clear when an issue is a bug. Even if they aren't, sometimes things don't work quite right.

Cargo.toml

@@ -1,22 +1,19 @@
 [package]
 name = "rojo"
-version = "7.7.0-rc.1"
-rust-version = "1.88"
-authors = [
-    "Lucien Greathouse <me@lpghatguy.com>",
-    "Micah Reid <git@dekkonot.com>",
-    "Ken Loeffler <kenloef@gmail.com>",
-]
+version = "7.1.1"
+authors = ["Lucien Greathouse <me@lpghatguy.com>"]
 description = "Enables professional-grade development tools for Roblox developers"
 license = "MPL-2.0"
 homepage = "https://rojo.space"
 documentation = "https://rojo.space/docs"
 repository = "https://github.com/rojo-rbx/rojo"
 readme = "README.md"
-edition = "2021"
+edition = "2018"
 build = "build.rs"
 
-exclude = ["/test-projects/**"]
+exclude = [
+    "/test-projects/**",
+]
 
 [profile.dev]
 panic = "abort"
@@ -30,10 +27,6 @@ default = []
 # Enable this feature to live-reload assets from the web UI.
 dev_live_assets = []
 
-# Run Rojo with this feature to open a Tracy session.
-# Currently uses protocol v63, last supported in Tracy 0.9.1.
-profile-with-tracy = ["profiling/profile-with-tracy"]
-
 [workspace]
 members = ["crates/*"]
 
@@ -46,85 +39,68 @@ name = "build"
 harness = false
 
 [dependencies]
-memofs = { version = "0.3.1", path = "crates/memofs" }
+rojo-project = { path = "crates/rojo-project" }
+memofs = { version = "0.2.0", path = "crates/memofs" }
 
 # These dependencies can be uncommented when working on rbx-dom simultaneously
-# rbx_binary = { path = "../rbx-dom/rbx_binary", features = [
-#     "unstable_text_format",
-# ] }
+# rbx_binary = { path = "../rbx-dom/rbx_binary" }
 # rbx_dom_weak = { path = "../rbx-dom/rbx_dom_weak" }
 # rbx_reflection = { path = "../rbx-dom/rbx_reflection" }
 # rbx_reflection_database = { path = "../rbx-dom/rbx_reflection_database" }
 # rbx_xml = { path = "../rbx-dom/rbx_xml" }
 
-rbx_binary = { version = "2.0.1", features = ["unstable_text_format"] }
-rbx_dom_weak = "4.1.0"
-rbx_reflection = "6.1.0"
-rbx_reflection_database = "2.0.2"
-rbx_xml = "2.0.1"
+rbx_binary = "0.6.4"
+rbx_dom_weak = "2.3.0"
+rbx_reflection = "4.2.0"
+rbx_reflection_database = "0.2.2"
+rbx_xml = "0.12.3"
 
-anyhow = "1.0.80"
-backtrace = "0.3.69"
+anyhow = "1.0.44"
+backtrace = "0.3.61"
 bincode = "1.3.3"
-crossbeam-channel = "0.5.12"
-csv = "1.3.0"
-env_logger = "0.9.3"
-fs-err = "2.11.0"
-futures = "0.3.30"
-globset = "0.4.14"
+crossbeam-channel = "0.5.1"
+csv = "1.1.6"
+env_logger = "0.9.0"
+fs-err = "2.6.0"
+futures = "0.3.17"
+globset = "0.4.8"
 humantime = "2.1.0"
-hyper = { version = "0.14.28", features = ["server", "tcp", "http1"] }
-hyper-tungstenite = "0.11.0"
+hyper = { version = "0.14.13", features = ["server", "tcp", "http1"] }
 jod-thread = "0.1.2"
-log = "0.4.21"
-num_cpus = "1.16.0"
-opener = "0.5.2"
-rayon = "1.9.0"
-reqwest = { version = "0.11.24", default-features = false, features = [
-    "blocking",
-    "json",
-    "rustls-tls",
-] }
+log = "0.4.14"
+maplit = "1.0.2"
+notify = "4.0.17"
+opener = "0.5.0"
+reqwest = { version = "0.11.10", features = ["blocking", "json"] }
 ritz = "0.1.0"
 roblox_install = "1.0.0"
-serde = { version = "1.0.197", features = ["derive", "rc"] }
-serde_json = "1.0.145"
-jsonc-parser = { version = "0.27.0", features = ["serde"] }
-strum = { version = "0.27", features = ["derive"] }
-toml = "0.5.11"
-termcolor = "1.4.1"
-thiserror = "1.0.57"
-tokio = { version = "1.36.0", features = ["rt", "rt-multi-thread", "macros"] }
-uuid = { version = "1.7.0", features = ["v4", "serde"] }
-clap = { version = "3.2.25", features = ["derive"] }
-profiling = "1.0.15"
-yaml-rust2 = "0.10.3"
-data-encoding = "2.8.0"
-
-blake3 = "1.5.0"
-float-cmp = "0.9.0"
-indexmap = { version = "2.10.0", features = ["serde"] }
+serde = { version = "1.0.130", features = ["derive", "rc"] }
+serde_json = "1.0.68"
+termcolor = "1.1.2"
+thiserror = "1.0.30"
+tokio = { version = "1.12.0", features = ["rt", "rt-multi-thread"] }
+uuid = { version = "1.0.0", features = ["v4", "serde"] }
+clap = { version = "3.1.18", features = ["derive"] }
 
 [target.'cfg(windows)'.dependencies]
 winreg = "0.10.1"
 
 [build-dependencies]
-memofs = { version = "0.3.0", path = "crates/memofs" }
+memofs = { version = "0.2.0", path = "crates/memofs" }
 
-embed-resource = "1.8.0"
-anyhow = "1.0.80"
+embed-resource = "1.6.4"
+anyhow = "1.0.44"
 bincode = "1.3.3"
-fs-err = "2.11.0"
+fs-err = "2.6.0"
 maplit = "1.0.2"
-semver = "1.0.22"
 
 [dev-dependencies]
 rojo-insta-ext = { path = "crates/rojo-insta-ext" }
 
-criterion = "0.3.6"
-insta = { version = "1.36.1", features = ["redactions", "yaml"] }
-paste = "1.0.14"
-pretty_assertions = "1.4.0"
-serde_yaml = "0.8.26"
-tempfile = "3.10.1"
-walkdir = "2.5.0"
+criterion = "0.3.5"
+insta = { version = "1.8.0", features = ["redactions"] }
+paste = "1.0.5"
+pretty_assertions = "1.2.1"
+serde_yaml = "0.8.21"
+tempfile = "3.2.0"
+walkdir = "2.3.2"

README.md

@@ -1,5 +1,5 @@
 <div align="center">
-    <a href="https://rojo.space"><img src="assets/brand_images/logo-512.png" alt="Rojo" height="217" /></a>
+    <a href="https://rojo.space"><img src="assets/logo-512.png" alt="Rojo" height="217" /></a>
 </div>
 
 <div>&nbsp;</div>
@@ -40,7 +40,7 @@ Check out our [contribution guide](CONTRIBUTING.md) for detailed instructions fo
 
 Pull requests are welcome!
 
-Rojo supports Rust 1.88 and newer. The minimum supported version of Rust is based on the latest versions of the dependencies that Rojo has.
+Rojo supports Rust 1.46.0 and newer. The minimum supported version of Rust is based on the latest versions of the dependencies that Rojo has.
 
 ## License
-Rojo is available under the terms of the Mozilla Public License, Version 2.0. See [LICENSE.txt](LICENSE.txt) for details.
+Rojo is available under the terms of the Mozilla Public License, Version 2.0. See [LICENSE.txt](LICENSE.txt) for details.

assets/default-model-project/README.md

@@ -2,7 +2,7 @@
 Generated by [Rojo](https://github.com/rojo-rbx/rojo) {rojo_version}.
 
 ## Getting Started
-To build this library, use:
+To build this library or plugin, use:
 
 ```bash
 rojo build -o "{project_name}.rbxmx"

assets/default-model-project/gitignore.txt

@@ -1,5 +1,3 @@
 # Roblox Studio lock files
 /*.rbxlx.lock
-/*.rbxl.lock
-
-sourcemap.json
+/*.rbxl.lock

assets/default-model-project/src-init.lua

@@ -2,4 +2,4 @@ return {
 	hello = function()
 		print("Hello world, from {project_name}!")
 	end,
-}
+}

assets/default-place-project/default.project.json

@@ -4,7 +4,7 @@
     "$className": "DataModel",
 
     "ReplicatedStorage": {
-      "Shared": {
+      "Common": {
         "$path": "src/shared"
       }
     },

assets/default-place-project/gitignore.txt

@@ -3,6 +3,4 @@
 
 # Roblox Studio lock files
 /*.rbxlx.lock
-/*.rbxl.lock
-
-sourcemap.json
+/*.rbxl.lock

assets/index.css

@@ -17,10 +17,6 @@ html {
   line-height: 1.4;
 }
 
-body {
-  background-color: #e7e7e7
-}
-
 img {
   max-width:100%;
   max-height:100%;

assets/project-templates/place/src/client/init.client.luau

@@ -1 +0,0 @@
-print("Hello world, from client!")

assets/project-templates/place/src/server/init.server.luau

@@ -1 +0,0 @@
-print("Hello world, from server!")

assets/project-templates/place/src/shared/Hello.luau

@@ -1,3 +0,0 @@
-return function()
-	print("Hello, world!")
-end

assets/project-templates/plugin/README.md

@@ -1,17 +0,0 @@
-# {project_name}
-Generated by [Rojo](https://github.com/rojo-rbx/rojo) {rojo_version}.
-
-## Getting Started
-To build this plugin to your local plugins folder, use:
-
-```bash
-rojo build -p "{project_name}.rbxm"
-```
-
-You can include the `watch` flag to re-build it on save:
-
-```bash
-rojo build -p "{project_name}.rbxm" --watch
-```
-
-For more help, check out [the Rojo documentation](https://rojo.space/docs).

assets/project-templates/plugin/default.project.json

@@ -1,6 +0,0 @@
-{
-  "name": "{project_name}",
-  "tree": {
-    "$path": "src"
-  }
-}

assets/project-templates/plugin/gitignore.txt

@@ -1,5 +0,0 @@
-# Plugin model files
-/{project_name}.rbxmx
-/{project_name}.rbxm
-
-sourcemap.json

assets/project-templates/plugin/src/init.server.luau

@@ -1 +0,0 @@
-print("Hello world, from plugin!")

benches/build.rs

@@ -3,7 +3,7 @@ use std::path::Path;
 use criterion::{criterion_group, criterion_main, BatchSize, Criterion};
 use tempfile::{tempdir, TempDir};
 
-use librojo::cli::BuildCommand;
+use librojo::cli::{build, BuildCommand};
 
 pub fn benchmark_small_place(c: &mut Criterion) {
     bench_build_place(c, "Small Place", "test-projects/benchmark_small_place")
@@ -20,7 +20,7 @@ fn bench_build_place(c: &mut Criterion, name: &str, path: &str) {
     group.bench_function("build", |b| {
         b.iter_batched(
             || place_setup(path),
-            |(_dir, options)| options.run().unwrap(),
+            |(_dir, options)| build(options).unwrap(),
             BatchSize::SmallInput,
         )
     });
@@ -31,12 +31,11 @@ fn bench_build_place(c: &mut Criterion, name: &str, path: &str) {
 fn place_setup<P: AsRef<Path>>(input_path: P) -> (TempDir, BuildCommand) {
     let dir = tempdir().unwrap();
     let input = input_path.as_ref().to_path_buf();
-    let output = Some(dir.path().join("output.rbxlx"));
+    let output = dir.path().join("output.rbxlx");
 
     let options = BuildCommand {
         project: input,
         watch: false,
-        plugin: None,
         output,
     };
 

build.rs

@@ -7,7 +7,6 @@ use fs_err as fs;
 use fs_err::File;
 use maplit::hashmap;
 use memofs::VfsSnapshot;
-use semver::Version;
 
 fn snapshot_from_fs_path(path: &Path) -> io::Result<VfsSnapshot> {
     println!("cargo:rerun-if-changed={}", path.display());
@@ -20,13 +19,9 @@ fn snapshot_from_fs_path(path: &Path) -> io::Result<VfsSnapshot> {
 
             let file_name = entry.file_name().to_str().unwrap().to_owned();
 
-            if file_name.starts_with(".git") {
-                continue;
-            }
-
             // We can skip any TestEZ test files since they aren't necessary for
             // the plugin to run.
-            if file_name.ends_with(".spec.lua") || file_name.ends_with(".spec.luau") {
+            if file_name.ends_with(".spec.lua") {
                 continue;
             }
 
@@ -45,39 +40,38 @@ fn snapshot_from_fs_path(path: &Path) -> io::Result<VfsSnapshot> {
 fn main() -> Result<(), anyhow::Error> {
     let out_dir = env::var_os("OUT_DIR").unwrap();
 
-    let root_dir = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
-    let plugin_dir = root_dir.join("plugin");
-    let templates_dir = root_dir.join("assets").join("project-templates");
+    let root_dir = env::var_os("CARGO_MANIFEST_DIR").unwrap();
+    let plugin_root = PathBuf::from(root_dir).join("plugin");
 
-    let our_version = Version::parse(env::var_os("CARGO_PKG_VERSION").unwrap().to_str().unwrap())?;
-    let plugin_version =
-        Version::parse(fs::read_to_string(plugin_dir.join("Version.txt"))?.trim())?;
+    let plugin_modules = plugin_root.join("modules");
 
-    assert_eq!(
-        our_version, plugin_version,
-        "plugin version does not match Cargo version"
-    );
-
-    let template_snapshot = snapshot_from_fs_path(&templates_dir)?;
-
-    let plugin_snapshot = VfsSnapshot::dir(hashmap! {
-        "default.project.json" => snapshot_from_fs_path(&root_dir.join("plugin.project.json"))?,
-        "plugin" => VfsSnapshot::dir(hashmap! {
-            "fmt" => snapshot_from_fs_path(&plugin_dir.join("fmt"))?,
-            "http" => snapshot_from_fs_path(&plugin_dir.join("http"))?,
-            "log" => snapshot_from_fs_path(&plugin_dir.join("log"))?,
-            "rbx_dom_lua" => snapshot_from_fs_path(&plugin_dir.join("rbx_dom_lua"))?,
-            "src" => snapshot_from_fs_path(&plugin_dir.join("src"))?,
-            "Packages" => snapshot_from_fs_path(&plugin_dir.join("Packages"))?,
-            "Version.txt" => snapshot_from_fs_path(&plugin_dir.join("Version.txt"))?,
+    let snapshot = VfsSnapshot::dir(hashmap! {
+        "default.project.json" => snapshot_from_fs_path(&plugin_root.join("default.project.json"))?,
+        "fmt" => snapshot_from_fs_path(&plugin_root.join("fmt"))?,
+        "http" => snapshot_from_fs_path(&plugin_root.join("http"))?,
+        "log" => snapshot_from_fs_path(&plugin_root.join("log"))?,
+        "rbx_dom_lua" => snapshot_from_fs_path(&plugin_root.join("rbx_dom_lua"))?,
+        "src" => snapshot_from_fs_path(&plugin_root.join("src"))?,
+        "modules" => VfsSnapshot::dir(hashmap! {
+            "roact" => VfsSnapshot::dir(hashmap! {
+                "src" => snapshot_from_fs_path(&plugin_modules.join("roact").join("src"))?
+            }),
+            "promise" => VfsSnapshot::dir(hashmap! {
+                "lib" => snapshot_from_fs_path(&plugin_modules.join("promise").join("lib"))?
+            }),
+            "t" => VfsSnapshot::dir(hashmap! {
+                "lib" => snapshot_from_fs_path(&plugin_modules.join("t").join("lib"))?
+            }),
+            "flipper" => VfsSnapshot::dir(hashmap! {
+                "src" => snapshot_from_fs_path(&plugin_modules.join("flipper").join("src"))?
+            }),
         }),
     });
 
-    let template_file = File::create(Path::new(&out_dir).join("templates.bincode"))?;
-    let plugin_file = File::create(Path::new(&out_dir).join("plugin.bincode"))?;
+    let out_path = Path::new(&out_dir).join("plugin.bincode");
+    let out_file = File::create(&out_path)?;
 
-    bincode::serialize_into(plugin_file, &plugin_snapshot)?;
-    bincode::serialize_into(template_file, &template_snapshot)?;
+    bincode::serialize_into(out_file, &snapshot)?;
 
     println!("cargo:rerun-if-changed=build/windows/rojo-manifest.rc");
     println!("cargo:rerun-if-changed=build/windows/rojo.manifest");

crates/memofs/CHANGELOG.md

@@ -1,21 +1,6 @@
 # memofs Changelog
 
 ## Unreleased Changes
-* Added `Vfs::canonicalize`. [#1201]
-
-## 0.3.1 (2025-11-27)
-* Added `Vfs::exists`. [#1169]
-* Added `create_dir` and `create_dir_all` to allow creating directories. [#937]
-
-[#1169]: https://github.com/rojo-rbx/rojo/pull/1169
-[#937]: https://github.com/rojo-rbx/rojo/pull/937
-
-## 0.3.0 (2024-03-15)
-* Changed `StdBackend` file watching component to use minimal recursive watches. [#830]
-* Added `Vfs::read_to_string` and `Vfs::read_to_string_lf_normalized` [#854]
-
-[#830]: https://github.com/rojo-rbx/rojo/pull/830
-[#854]: https://github.com/rojo-rbx/rojo/pull/854
 
 ## 0.2.0 (2021-08-23)
 * Updated to `crossbeam-channel` 0.5.1.
@@ -30,4 +15,4 @@
 * Improved error messages using the [fs-err](https://crates.io/crates/fs-err) crate.
 
 ## 0.1.0 (2020-03-10)
-* Initial release
+* Initial release

crates/memofs/Cargo.toml

@@ -1,12 +1,8 @@
 [package]
 name = "memofs"
 description = "Virtual filesystem with configurable backends."
-version = "0.3.1"
-authors = [
-    "Lucien Greathouse <me@lpghatguy.com>",
-    "Micah Reid <git@dekkonot.com>",
-    "Ken Loeffler <kenloef@gmail.com>",
-]
+version = "0.2.0"
+authors = ["Lucien Greathouse <me@lpghatguy.com>"]
 edition = "2018"
 readme = "README.md"
 license = "MIT"
@@ -15,10 +11,7 @@ homepage = "https://github.com/rojo-rbx/rojo/tree/master/memofs"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-crossbeam-channel = "0.5.12"
-fs-err = "2.11.0"
-notify = "4.0.17"
-serde = { version = "1.0.197", features = ["derive"] }
-
-[dev-dependencies]
-tempfile = "3.10.1"
+crossbeam-channel = "0.5.1"
+fs-err = "2.3.0"
+notify = "4.0.15"
+serde = { version = "1.0", features = ["derive"] }

crates/memofs/src/in_memory_fs.rs

@@ -50,12 +50,6 @@ impl InMemoryFs {
     }
 }
 
-impl Default for InMemoryFs {
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
 #[derive(Debug)]
 struct InMemoryFsInner {
     entries: HashMap<PathBuf, Entry>,
@@ -157,11 +151,6 @@ impl VfsBackend for InMemoryFs {
         )
     }
 
-    fn exists(&mut self, path: &Path) -> io::Result<bool> {
-        let inner = self.inner.lock().unwrap();
-        Ok(inner.entries.contains_key(path))
-    }
-
     fn read_dir(&mut self, path: &Path) -> io::Result<ReadDir> {
         let inner = self.inner.lock().unwrap();
 
@@ -181,21 +170,6 @@ impl VfsBackend for InMemoryFs {
         }
     }
 
-    fn create_dir(&mut self, path: &Path) -> io::Result<()> {
-        let mut inner = self.inner.lock().unwrap();
-        inner.load_snapshot(path.to_path_buf(), VfsSnapshot::empty_dir())
-    }
-
-    fn create_dir_all(&mut self, path: &Path) -> io::Result<()> {
-        let mut inner = self.inner.lock().unwrap();
-        let mut path_buf = path.to_path_buf();
-        while let Some(parent) = path_buf.parent() {
-            inner.load_snapshot(parent.to_path_buf(), VfsSnapshot::empty_dir())?;
-            path_buf.pop();
-        }
-        inner.load_snapshot(path.to_path_buf(), VfsSnapshot::empty_dir())
-    }
-
     fn remove_file(&mut self, path: &Path) -> io::Result<()> {
         let mut inner = self.inner.lock().unwrap();
 
@@ -232,33 +206,6 @@ impl VfsBackend for InMemoryFs {
         }
     }
 
-    // TODO: We rely on Rojo to prepend cwd to any relative path before storing paths
-    // in MemoFS. The current implementation will error if no prepended absolute path
-    // is found. It really only normalizes paths within the provided path's context.
-    // Example: "/Users/username/project/../other/file.txt" ->
-    // "/Users/username/other/file.txt"
-    // Erroneous example: "/Users/../../other/file.txt" -> "/other/file.txt"
-    // This is not very robust. We should implement proper path normalization here or otherwise
-    // warn if we are missing context and can not fully canonicalize the path correctly.
-    fn canonicalize(&mut self, path: &Path) -> io::Result<PathBuf> {
-        let mut normalized = PathBuf::new();
-        for component in path.components() {
-            match component {
-                std::path::Component::ParentDir => {
-                    normalized.pop();
-                }
-                std::path::Component::CurDir => {}
-                _ => normalized.push(component),
-            }
-        }
-
-        let inner = self.inner.lock().unwrap();
-        match inner.entries.get(&normalized) {
-            Some(_) => Ok(normalized),
-            None => not_found(&normalized),
-        }
-    }
-
     fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
         let inner = self.inner.lock().unwrap();
 
@@ -275,17 +222,23 @@ impl VfsBackend for InMemoryFs {
 }
 
 fn must_be_file<T>(path: &Path) -> io::Result<T> {
-    Err(io::Error::other(format!(
-        "path {} was a directory, but must be a file",
-        path.display()
-    )))
+    Err(io::Error::new(
+        io::ErrorKind::Other,
+        format!(
+            "path {} was a directory, but must be a file",
+            path.display()
+        ),
+    ))
 }
 
 fn must_be_dir<T>(path: &Path) -> io::Result<T> {
-    Err(io::Error::other(format!(
-        "path {} was a file, but must be a directory",
-        path.display()
-    )))
+    Err(io::Error::new(
+        io::ErrorKind::Other,
+        format!(
+            "path {} was a file, but must be a directory",
+            path.display()
+        ),
+    ))
 }
 
 fn not_found<T>(path: &Path) -> io::Result<T> {

crates/memofs/src/lib.rs

@@ -22,9 +22,9 @@ mod noop_backend;
 mod snapshot;
 mod std_backend;
 
+use std::io;
 use std::path::{Path, PathBuf};
 use std::sync::{Arc, Mutex, MutexGuard};
-use std::{io, str};
 
 pub use in_memory_fs::InMemoryFs;
 pub use noop_backend::NoopBackend;
@@ -70,14 +70,10 @@ impl<T> IoResultExt<T> for io::Result<T> {
 pub trait VfsBackend: sealed::Sealed + Send + 'static {
     fn read(&mut self, path: &Path) -> io::Result<Vec<u8>>;
     fn write(&mut self, path: &Path, data: &[u8]) -> io::Result<()>;
-    fn exists(&mut self, path: &Path) -> io::Result<bool>;
     fn read_dir(&mut self, path: &Path) -> io::Result<ReadDir>;
-    fn create_dir(&mut self, path: &Path) -> io::Result<()>;
-    fn create_dir_all(&mut self, path: &Path) -> io::Result<()>;
     fn metadata(&mut self, path: &Path) -> io::Result<Metadata>;
     fn remove_file(&mut self, path: &Path) -> io::Result<()>;
     fn remove_dir_all(&mut self, path: &Path) -> io::Result<()>;
-    fn canonicalize(&mut self, path: &Path) -> io::Result<PathBuf>;
 
     fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent>;
     fn watch(&mut self, path: &Path) -> io::Result<()>;
@@ -159,29 +155,6 @@ impl VfsInner {
         Ok(Arc::new(contents))
     }
 
-    fn read_to_string<P: AsRef<Path>>(&mut self, path: P) -> io::Result<Arc<String>> {
-        let path = path.as_ref();
-        let contents = self.backend.read(path)?;
-
-        if self.watch_enabled {
-            self.backend.watch(path)?;
-        }
-
-        let contents_str = str::from_utf8(&contents).map_err(|_| {
-            io::Error::new(
-                io::ErrorKind::InvalidData,
-                format!("File was not valid UTF-8: {}", path.display()),
-            )
-        })?;
-
-        Ok(Arc::new(contents_str.into()))
-    }
-
-    fn exists<P: AsRef<Path>>(&mut self, path: P) -> io::Result<bool> {
-        let path = path.as_ref();
-        self.backend.exists(path)
-    }
-
     fn write<P: AsRef<Path>, C: AsRef<[u8]>>(&mut self, path: P, contents: C) -> io::Result<()> {
         let path = path.as_ref();
         let contents = contents.as_ref();
@@ -199,16 +172,6 @@ impl VfsInner {
         Ok(dir)
     }
 
-    fn create_dir<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
-        let path = path.as_ref();
-        self.backend.create_dir(path)
-    }
-
-    fn create_dir_all<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
-        let path = path.as_ref();
-        self.backend.create_dir_all(path)
-    }
-
     fn remove_file<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
         let path = path.as_ref();
         let _ = self.backend.unwatch(path);
@@ -226,18 +189,16 @@ impl VfsInner {
         self.backend.metadata(path)
     }
 
-    fn canonicalize<P: AsRef<Path>>(&mut self, path: P) -> io::Result<PathBuf> {
-        let path = path.as_ref();
-        self.backend.canonicalize(path)
-    }
-
     fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
         self.backend.event_receiver()
     }
 
     fn commit_event(&mut self, event: &VfsEvent) -> io::Result<()> {
-        if let VfsEvent::Remove(path) = event {
-            let _ = self.backend.unwatch(path);
+        match event {
+            VfsEvent::Remove(path) => {
+                let _ = self.backend.unwatch(&path);
+            }
+            _ => {}
         }
 
         Ok(())
@@ -300,33 +261,6 @@ impl Vfs {
         self.inner.lock().unwrap().read(path)
     }
 
-    /// Read a file from the VFS (or from the underlying backend if it isn't
-    /// resident) into a string.
-    ///
-    /// Roughly equivalent to [`std::fs::read_to_string`][std::fs::read_to_string].
-    ///
-    /// [std::fs::read_to_string]: https://doc.rust-lang.org/stable/std/fs/fn.read_to_string.html
-    #[inline]
-    pub fn read_to_string<P: AsRef<Path>>(&self, path: P) -> io::Result<Arc<String>> {
-        let path = path.as_ref();
-        self.inner.lock().unwrap().read_to_string(path)
-    }
-
-    /// Read a file from the VFS (or the underlying backend if it isn't
-    /// resident) into a string, and normalize its line endings to LF.
-    ///
-    /// Roughly equivalent to [`std::fs::read_to_string`][std::fs::read_to_string], but also performs
-    /// line ending normalization.
-    ///
-    /// [std::fs::read_to_string]: https://doc.rust-lang.org/stable/std/fs/fn.read_to_string.html
-    #[inline]
-    pub fn read_to_string_lf_normalized<P: AsRef<Path>>(&self, path: P) -> io::Result<Arc<String>> {
-        let path = path.as_ref();
-        let contents = self.inner.lock().unwrap().read_to_string(path)?;
-
-        Ok(contents.replace("\r\n", "\n").into())
-    }
-
     /// Write a file to the VFS and the underlying backend.
     ///
     /// Roughly equivalent to [`std::fs::write`][std::fs::write].
@@ -350,42 +284,6 @@ impl Vfs {
         self.inner.lock().unwrap().read_dir(path)
     }
 
-    /// Return whether the given path exists.
-    ///
-    /// Roughly equivalent to [`std::fs::exists`][std::fs::exists].
-    ///
-    /// [std::fs::exists]: https://doc.rust-lang.org/stable/std/fs/fn.exists.html
-    #[inline]
-    pub fn exists<P: AsRef<Path>>(&self, path: P) -> io::Result<bool> {
-        let path = path.as_ref();
-        self.inner.lock().unwrap().exists(path)
-    }
-
-    /// Creates a directory at the provided location.
-    ///
-    /// Roughly equivalent to [`std::fs::create_dir`][std::fs::create_dir].
-    /// Similiar to that function, this function will fail if the parent of the
-    /// path does not exist.
-    ///
-    /// [std::fs::create_dir]: https://doc.rust-lang.org/stable/std/fs/fn.create_dir.html
-    #[inline]
-    pub fn create_dir<P: AsRef<Path>>(&self, path: P) -> io::Result<()> {
-        let path = path.as_ref();
-        self.inner.lock().unwrap().create_dir(path)
-    }
-
-    /// Creates a directory at the provided location, recursively creating
-    /// all parent components if they are missing.
-    ///
-    /// Roughly equivalent to [`std::fs::create_dir_all`][std::fs::create_dir_all].
-    ///
-    /// [std::fs::create_dir_all]: https://doc.rust-lang.org/stable/std/fs/fn.create_dir_all.html
-    #[inline]
-    pub fn create_dir_all<P: AsRef<Path>>(&self, path: P) -> io::Result<()> {
-        let path = path.as_ref();
-        self.inner.lock().unwrap().create_dir_all(path)
-    }
-
     /// Remove a file.
     ///
     /// Roughly equivalent to [`std::fs::remove_file`][std::fs::remove_file].
@@ -419,19 +317,6 @@ impl Vfs {
         self.inner.lock().unwrap().metadata(path)
     }
 
-    /// Normalize a path via the underlying backend.
-    ///
-    /// Roughly equivalent to [`std::fs::canonicalize`][std::fs::canonicalize]. Relative paths are
-    /// resolved against the backend's current working directory (if applicable) and errors are
-    /// surfaced directly from the backend.
-    ///
-    /// [std::fs::canonicalize]: https://doc.rust-lang.org/stable/std/fs/fn.canonicalize.html
-    #[inline]
-    pub fn canonicalize<P: AsRef<Path>>(&self, path: P) -> io::Result<PathBuf> {
-        let path = path.as_ref();
-        self.inner.lock().unwrap().canonicalize(path)
-    }
-
     /// Retrieve a handle to the event receiver for this `Vfs`.
     #[inline]
     pub fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
@@ -501,31 +386,6 @@ impl VfsLock<'_> {
         self.inner.read_dir(path)
     }
 
-    /// Creates a directory at the provided location.
-    ///
-    /// Roughly equivalent to [`std::fs::create_dir`][std::fs::create_dir].
-    /// Similiar to that function, this function will fail if the parent of the
-    /// path does not exist.
-    ///
-    /// [std::fs::create_dir]: https://doc.rust-lang.org/stable/std/fs/fn.create_dir.html
-    #[inline]
-    pub fn create_dir<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
-        let path = path.as_ref();
-        self.inner.create_dir(path)
-    }
-
-    /// Creates a directory at the provided location, recursively creating
-    /// all parent components if they are missing.
-    ///
-    /// Roughly equivalent to [`std::fs::create_dir_all`][std::fs::create_dir_all].
-    ///
-    /// [std::fs::create_dir_all]: https://doc.rust-lang.org/stable/std/fs/fn.create_dir_all.html
-    #[inline]
-    pub fn create_dir_all<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
-        let path = path.as_ref();
-        self.inner.create_dir_all(path)
-    }
-
     /// Remove a file.
     ///
     /// Roughly equivalent to [`std::fs::remove_file`][std::fs::remove_file].
@@ -559,13 +419,6 @@ impl VfsLock<'_> {
         self.inner.metadata(path)
     }
 
-    /// Normalize a path via the underlying backend.
-    #[inline]
-    pub fn normalize<P: AsRef<Path>>(&mut self, path: P) -> io::Result<PathBuf> {
-        let path = path.as_ref();
-        self.inner.canonicalize(path)
-    }
-
     /// Retrieve a handle to the event receiver for this `Vfs`.
     #[inline]
     pub fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
@@ -578,83 +431,3 @@ impl VfsLock<'_> {
         self.inner.commit_event(event)
     }
 }
-
-#[cfg(test)]
-mod test {
-    use crate::{InMemoryFs, StdBackend, Vfs, VfsSnapshot};
-    use std::io;
-    use std::path::PathBuf;
-
-    /// https://github.com/rojo-rbx/rojo/issues/899
-    #[test]
-    fn read_to_string_lf_normalized_keeps_trailing_newline() {
-        let mut imfs = InMemoryFs::new();
-        imfs.load_snapshot("test", VfsSnapshot::file("bar\r\nfoo\r\n\r\n"))
-            .unwrap();
-
-        let vfs = Vfs::new(imfs);
-
-        assert_eq!(
-            vfs.read_to_string_lf_normalized("test").unwrap().as_str(),
-            "bar\nfoo\n\n"
-        );
-    }
-
-    /// https://github.com/rojo-rbx/rojo/issues/1200
-    #[test]
-    fn canonicalize_in_memory_success() {
-        let mut imfs = InMemoryFs::new();
-        let contents = "Lorem ipsum dolor sit amet.".to_string();
-
-        imfs.load_snapshot("/test/file.txt", VfsSnapshot::file(contents.to_string()))
-            .unwrap();
-
-        let vfs = Vfs::new(imfs);
-
-        assert_eq!(
-            vfs.canonicalize("/test/nested/../file.txt").unwrap(),
-            PathBuf::from("/test/file.txt")
-        );
-        assert_eq!(
-            vfs.read_to_string(vfs.canonicalize("/test/nested/../file.txt").unwrap())
-                .unwrap()
-                .to_string(),
-            contents.to_string()
-        );
-    }
-
-    #[test]
-    fn canonicalize_in_memory_missing_errors() {
-        let imfs = InMemoryFs::new();
-        let vfs = Vfs::new(imfs);
-
-        let err = vfs.canonicalize("test").unwrap_err();
-        assert_eq!(err.kind(), io::ErrorKind::NotFound);
-    }
-
-    #[test]
-    fn canonicalize_std_backend_success() {
-        let contents = "Lorem ipsum dolor sit amet.".to_string();
-        let dir = tempfile::tempdir().unwrap();
-        let file_path = dir.path().join("file.txt");
-        fs_err::write(&file_path, contents.to_string()).unwrap();
-
-        let vfs = Vfs::new(StdBackend::new());
-        let canonicalized = vfs.canonicalize(&file_path).unwrap();
-        assert_eq!(canonicalized, file_path.canonicalize().unwrap());
-        assert_eq!(
-            vfs.read_to_string(&canonicalized).unwrap().to_string(),
-            contents.to_string()
-        );
-    }
-
-    #[test]
-    fn canonicalize_std_backend_missing_errors() {
-        let dir = tempfile::tempdir().unwrap();
-        let file_path = dir.path().join("test");
-
-        let vfs = Vfs::new(StdBackend::new());
-        let err = vfs.canonicalize(&file_path).unwrap_err();
-        assert_eq!(err.kind(), io::ErrorKind::NotFound);
-    }
-}

crates/memofs/src/noop_backend.rs

@@ -1,5 +1,5 @@
 use std::io;
-use std::path::{Path, PathBuf};
+use std::path::Path;
 
 use crate::{Metadata, ReadDir, VfsBackend, VfsEvent};
 
@@ -15,43 +15,45 @@ impl NoopBackend {
 
 impl VfsBackend for NoopBackend {
     fn read(&mut self, _path: &Path) -> io::Result<Vec<u8>> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
     }
 
     fn write(&mut self, _path: &Path, _data: &[u8]) -> io::Result<()> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
-    }
-
-    fn exists(&mut self, _path: &Path) -> io::Result<bool> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
     }
 
     fn read_dir(&mut self, _path: &Path) -> io::Result<ReadDir> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
-    }
-
-    fn create_dir(&mut self, _path: &Path) -> io::Result<()> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
-    }
-
-    fn create_dir_all(&mut self, _path: &Path) -> io::Result<()> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
     }
 
     fn remove_file(&mut self, _path: &Path) -> io::Result<()> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
     }
 
     fn remove_dir_all(&mut self, _path: &Path) -> io::Result<()> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
     }
 
     fn metadata(&mut self, _path: &Path) -> io::Result<Metadata> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
-    }
-
-    fn canonicalize(&mut self, _path: &Path) -> io::Result<PathBuf> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
     }
 
     fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
@@ -59,16 +61,16 @@ impl VfsBackend for NoopBackend {
     }
 
     fn watch(&mut self, _path: &Path) -> io::Result<()> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
     }
 
     fn unwatch(&mut self, _path: &Path) -> io::Result<()> {
-        Err(io::Error::other("NoopBackend doesn't do anything"))
-    }
-}
-
-impl Default for NoopBackend {
-    fn default() -> Self {
-        Self::new()
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
     }
 }

crates/memofs/src/std_backend.rs

@@ -1,8 +1,8 @@
-use std::path::{Path, PathBuf};
+use std::io;
+use std::path::Path;
 use std::sync::mpsc;
 use std::thread;
 use std::time::Duration;
-use std::{collections::HashSet, io};
 
 use crossbeam_channel::Receiver;
 use notify::{watcher, DebouncedEvent, RecommendedWatcher, RecursiveMode, Watcher};
@@ -13,7 +13,6 @@ use crate::{DirEntry, Metadata, ReadDir, VfsBackend, VfsEvent};
 pub struct StdBackend {
     watcher: RecommendedWatcher,
     watcher_receiver: Receiver<VfsEvent>,
-    watches: HashSet<PathBuf>,
 }
 
 impl StdBackend {
@@ -49,7 +48,6 @@ impl StdBackend {
         Self {
             watcher,
             watcher_receiver: rx,
-            watches: HashSet::new(),
         }
     }
 }
@@ -63,10 +61,6 @@ impl VfsBackend for StdBackend {
         fs_err::write(path, data)
     }
 
-    fn exists(&mut self, path: &Path) -> io::Result<bool> {
-        std::fs::exists(path)
-    }
-
     fn read_dir(&mut self, path: &Path) -> io::Result<ReadDir> {
         let entries: Result<Vec<_>, _> = fs_err::read_dir(path)?.collect();
         let mut entries = entries?;
@@ -82,14 +76,6 @@ impl VfsBackend for StdBackend {
         })
     }
 
-    fn create_dir(&mut self, path: &Path) -> io::Result<()> {
-        fs_err::create_dir(path)
-    }
-
-    fn create_dir_all(&mut self, path: &Path) -> io::Result<()> {
-        fs_err::create_dir_all(path)
-    }
-
     fn remove_file(&mut self, path: &Path) -> io::Result<()> {
         fs_err::remove_file(path)
     }
@@ -106,37 +92,19 @@ impl VfsBackend for StdBackend {
         })
     }
 
-    fn canonicalize(&mut self, path: &Path) -> io::Result<PathBuf> {
-        fs_err::canonicalize(path)
-    }
-
     fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
         self.watcher_receiver.clone()
     }
 
     fn watch(&mut self, path: &Path) -> io::Result<()> {
-        if self.watches.contains(path)
-            || path
-                .ancestors()
-                .any(|ancestor| self.watches.contains(ancestor))
-        {
-            Ok(())
-        } else {
-            self.watches.insert(path.to_path_buf());
-            self.watcher
-                .watch(path, RecursiveMode::Recursive)
-                .map_err(io::Error::other)
-        }
+        self.watcher
+            .watch(path, RecursiveMode::NonRecursive)
+            .map_err(|inner| io::Error::new(io::ErrorKind::Other, inner))
     }
 
     fn unwatch(&mut self, path: &Path) -> io::Result<()> {
-        self.watches.remove(path);
-        self.watcher.unwatch(path).map_err(io::Error::other)
-    }
-}
-
-impl Default for StdBackend {
-    fn default() -> Self {
-        Self::new()
+        self.watcher
+            .unwatch(path)
+            .map_err(|inner| io::Error::new(io::ErrorKind::Other, inner))
     }
 }

crates/rojo-insta-ext/Cargo.toml

@@ -6,5 +6,5 @@ edition = "2018"
 publish = false
 
 [dependencies]
-serde = "1.0.197"
-serde_yaml = "0.8.26"
+serde = "1.0.99"
+serde_yaml = "0.8.9"

crates/rojo-insta-ext/src/redaction_map.rs

@@ -5,13 +5,19 @@ use serde::Serialize;
 /// Enables redacting any value that serializes as a string.
 ///
 /// Used for transforming Rojo instance IDs into something deterministic.
-#[derive(Default)]
 pub struct RedactionMap {
     ids: HashMap<String, usize>,
     last_id: usize,
 }
 
 impl RedactionMap {
+    pub fn new() -> Self {
+        Self {
+            ids: HashMap::new(),
+            last_id: 0,
+        }
+    }
+
     pub fn get_redacted_value(&self, id: impl ToString) -> Option<String> {
         let id = id.to_string();
 
@@ -22,12 +28,6 @@ impl RedactionMap {
         }
     }
 
-    /// Returns the numeric ID that was assigned to the provided value,
-    /// if one exists.
-    pub fn get_id_for_value(&self, value: impl ToString) -> Option<usize> {
-        self.ids.get(&value.to_string()).cloned()
-    }
-
     pub fn intern(&mut self, id: impl ToString) {
         let last_id = &mut self.last_id;
 

crates/rojo-project/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "rojo-project"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.57"
+globset = { version = "0.4.8", features = ["serde1"] }
+log = "0.4.17"
+rbx_dom_weak = "2.3.0"
+rbx_reflection = "4.2.0"
+rbx_reflection_database = "0.2.4"
+serde = { version = "1.0.137", features = ["derive"] }
+serde_json = "1.0.81"

crates/rojo-project/README.md

@@ -0,0 +1,4 @@
+# rojo-project
+Project file format crate for [Rojo].
+
+[Rojo]: https://rojo.space

crates/rojo-project/src/glob.rs

@@ -1,6 +1,3 @@
-//! Wrapper around globset's Glob type that has better serialization
-//! characteristics by coupling Glob and GlobMatcher into a single type.
-
 use std::path::Path;
 
 use globset::{Glob as InnerGlob, GlobMatcher};
@@ -8,6 +5,8 @@ use serde::{de::Error as _, Deserialize, Deserializer, Serialize, Serializer};
 
 pub use globset::Error;
 
+/// Wrapper around globset's Glob type that has better serialization
+/// characteristics by coupling Glob and GlobMatcher into a single type.
 #[derive(Debug, Clone)]
 pub struct Glob {
     inner: InnerGlob,
@@ -43,8 +42,8 @@ impl Serialize for Glob {
 
 impl<'de> Deserialize<'de> for Glob {
     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
-        let glob = String::deserialize(deserializer)?;
+        let glob = <&str as Deserialize>::deserialize(deserializer)?;
 
-        Glob::new(&glob).map_err(D::Error::custom)
+        Glob::new(glob).map_err(D::Error::custom)
     }
 }

crates/rojo-project/src/lib.rs

@@ -0,0 +1,7 @@
+pub mod glob;
+mod path_serializer;
+mod project;
+mod resolution;
+
+pub use project::{OptionalPathNode, PathNode, Project, ProjectNode};
+pub use resolution::{AmbiguousValue, UnresolvedValue};

crates/rojo-project/src/path_serializer.rs

@@ -0,0 +1,21 @@
+//! Path serializer is used to serialize absolute paths in a cross-platform way,
+//! by replacing all directory separators with /.
+
+use std::path::Path;
+
+use serde::Serializer;
+
+pub fn serialize_absolute<S, T>(path: T, serializer: S) -> Result<S::Ok, S::Error>
+where
+    S: Serializer,
+    T: AsRef<Path>,
+{
+    let as_str = path
+        .as_ref()
+        .as_os_str()
+        .to_str()
+        .expect("Invalid Unicode in file path, cannot serialize");
+    let replaced = as_str.replace("\\", "/");
+
+    serializer.serialize_str(&replaced)
+}

crates/rojo-project/src/project.rs

@@ -0,0 +1,363 @@
+use std::collections::{BTreeMap, HashMap, HashSet};
+use std::fs;
+use std::net::IpAddr;
+use std::path::{Path, PathBuf};
+
+use anyhow::Context;
+use serde::{Deserialize, Serialize};
+
+use crate::glob::Glob;
+use crate::resolution::UnresolvedValue;
+
+static PROJECT_FILENAME: &str = "default.project.json";
+
+/// Contains all of the configuration for a Rojo-managed project.
+///
+/// Rojo project files are stored in `.project.json` files.
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(deny_unknown_fields, rename_all = "camelCase")]
+pub struct Project {
+    /// The name of the top-level instance described by the project.
+    pub name: String,
+
+    /// The tree of instances described by this project. Projects always
+    /// describe at least one instance.
+    pub tree: ProjectNode,
+
+    /// If specified, sets the default port that `rojo serve` should use when
+    /// using this project for live sync.
+    ///
+    /// Can be overriden with the `--port` flag.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub serve_port: Option<u16>,
+
+    /// If specified, sets the default IP address that `rojo serve` should use
+    /// when using this project for live sync.
+    ///
+    /// Can be overridden with the `--address` flag.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub serve_address: Option<IpAddr>,
+
+    /// If specified, contains the set of place IDs that this project is
+    /// compatible with when doing live sync.
+    ///
+    /// This setting is intended to help prevent syncing a Rojo project into the
+    /// wrong Roblox place.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub serve_place_ids: Option<HashSet<u64>>,
+
+    /// If specified, sets the current place's place ID when connecting to the
+    /// Rojo server from Roblox Studio.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub place_id: Option<u64>,
+
+    /// If specified, sets the current place's game ID when connecting to the
+    /// Rojo server from Roblox Studio.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub game_id: Option<u64>,
+
+    /// A list of globs, relative to the folder the project file is in, that
+    /// match files that should be excluded if Rojo encounters them.
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub glob_ignore_paths: Vec<Glob>,
+
+    /// The path to the file that this project came from. Relative paths in the
+    /// project should be considered relative to the parent of this field, also
+    /// given by `Project::folder_location`.
+    #[serde(skip)]
+    pub file_location: PathBuf,
+}
+
+impl Project {
+    /// Tells whether the given path describes a Rojo project.
+    pub fn is_project_file(path: &Path) -> bool {
+        path.file_name()
+            .and_then(|name| name.to_str())
+            .map(|name| name.ends_with(".project.json"))
+            .unwrap_or(false)
+    }
+
+    /// Loads a project file from a slice and a path that indicates where the
+    /// project should resolve paths relative to.
+    pub fn load_from_slice(contents: &[u8], project_file_location: &Path) -> anyhow::Result<Self> {
+        let mut project: Self = serde_json::from_slice(&contents).with_context(|| {
+            format!(
+                "Error parsing Rojo project at {}",
+                project_file_location.display()
+            )
+        })?;
+
+        project.file_location = project_file_location.to_path_buf();
+        project.check_compatibility();
+        Ok(project)
+    }
+
+    /// Fuzzy-find a Rojo project and load it.
+    pub fn load_fuzzy(fuzzy_project_location: &Path) -> anyhow::Result<Option<Self>> {
+        if let Some(project_path) = Self::locate(fuzzy_project_location) {
+            let project = Self::load_exact(&project_path)?;
+
+            Ok(Some(project))
+        } else {
+            Ok(None)
+        }
+    }
+
+    /// Gives the path that all project file paths should resolve relative to.
+    pub fn folder_location(&self) -> &Path {
+        self.file_location.parent().unwrap()
+    }
+
+    /// Attempt to locate a project represented by the given path.
+    ///
+    /// This will find a project if the path refers to a `.project.json` file,
+    /// or is a folder that contains a `default.project.json` file.
+    fn locate(path: &Path) -> Option<PathBuf> {
+        let meta = fs::metadata(path).ok()?;
+
+        if meta.is_file() {
+            if Project::is_project_file(path) {
+                Some(path.to_path_buf())
+            } else {
+                None
+            }
+        } else {
+            let child_path = path.join(PROJECT_FILENAME);
+            let child_meta = fs::metadata(&child_path).ok()?;
+
+            if child_meta.is_file() {
+                Some(child_path)
+            } else {
+                // This is a folder with the same name as a Rojo default project
+                // file.
+                //
+                // That's pretty weird, but we can roll with it.
+                None
+            }
+        }
+    }
+
+    fn load_exact(project_file_location: &Path) -> anyhow::Result<Self> {
+        let contents = fs::read_to_string(project_file_location)?;
+
+        let mut project: Project = serde_json::from_str(&contents).with_context(|| {
+            format!(
+                "Error parsing Rojo project at {}",
+                project_file_location.display()
+            )
+        })?;
+
+        project.file_location = project_file_location.to_path_buf();
+        project.check_compatibility();
+
+        Ok(project)
+    }
+
+    /// Checks if there are any compatibility issues with this project file and
+    /// warns the user if there are any.
+    fn check_compatibility(&self) {
+        self.tree.validate_reserved_names();
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize)]
+pub struct OptionalPathNode {
+    #[serde(serialize_with = "crate::path_serializer::serialize_absolute")]
+    pub optional: PathBuf,
+}
+
+impl OptionalPathNode {
+    pub fn new(optional: PathBuf) -> Self {
+        OptionalPathNode { optional }
+    }
+}
+
+/// Describes a path that is either optional or required
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum PathNode {
+    Required(#[serde(serialize_with = "crate::path_serializer::serialize_absolute")] PathBuf),
+    Optional(OptionalPathNode),
+}
+
+impl PathNode {
+    pub fn path(&self) -> &Path {
+        match self {
+            PathNode::Required(pathbuf) => &pathbuf,
+            PathNode::Optional(OptionalPathNode { optional }) => &optional,
+        }
+    }
+}
+
+/// Describes an instance and its descendants in a project.
+#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize)]
+pub struct ProjectNode {
+    /// If set, defines the ClassName of the described instance.
+    ///
+    /// `$className` MUST be set if `$path` is not set.
+    ///
+    /// `$className` CANNOT be set if `$path` is set and the instance described
+    /// by that path has a ClassName other than Folder.
+    #[serde(rename = "$className", skip_serializing_if = "Option::is_none")]
+    pub class_name: Option<String>,
+
+    /// Contains all of the children of the described instance.
+    #[serde(flatten)]
+    pub children: BTreeMap<String, ProjectNode>,
+
+    /// The properties that will be assigned to the resulting instance.
+    #[serde(
+        rename = "$properties",
+        default,
+        skip_serializing_if = "HashMap::is_empty"
+    )]
+    pub properties: HashMap<String, UnresolvedValue>,
+
+    /// Defines the behavior when Rojo encounters unknown instances in Roblox
+    /// Studio during live sync. `$ignoreUnknownInstances` should be considered
+    /// a large hammer and used with care.
+    ///
+    /// If set to `true`, those instances will be left alone. This may cause
+    /// issues when files that turn into instances are removed while Rojo is not
+    /// running.
+    ///
+    /// If set to `false`, Rojo will destroy any instances it does not
+    /// recognize.
+    ///
+    /// If unset, its default value depends on other settings:
+    /// - If `$path` is not set, defaults to `true`
+    /// - If `$path` is set, defaults to `false`
+    #[serde(
+        rename = "$ignoreUnknownInstances",
+        skip_serializing_if = "Option::is_none"
+    )]
+    pub ignore_unknown_instances: Option<bool>,
+
+    /// Defines that this instance should come from the given file path. This
+    /// path can point to any file type supported by Rojo, including Lua files
+    /// (`.lua`), Roblox models (`.rbxm`, `.rbxmx`), and localization table
+    /// spreadsheets (`.csv`).
+    #[serde(rename = "$path", skip_serializing_if = "Option::is_none")]
+    pub path: Option<PathNode>,
+}
+
+impl ProjectNode {
+    fn validate_reserved_names(&self) {
+        for (name, child) in &self.children {
+            if name.starts_with('$') {
+                log::warn!(
+                    "Keys starting with '$' are reserved by Rojo to ensure forward compatibility."
+                );
+                log::warn!(
+                    "This project uses the key '{}', which should be renamed.",
+                    name
+                );
+            }
+
+            child.validate_reserved_names();
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn path_node_required() {
+        let path_node: PathNode = serde_json::from_str(r#""src""#).unwrap();
+        assert_eq!(path_node, PathNode::Required(PathBuf::from("src")));
+    }
+
+    #[test]
+    fn path_node_optional() {
+        let path_node: PathNode = serde_json::from_str(r#"{ "optional": "src" }"#).unwrap();
+        assert_eq!(
+            path_node,
+            PathNode::Optional(OptionalPathNode::new(PathBuf::from("src")))
+        );
+    }
+
+    #[test]
+    fn project_node_required() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": "src"
+            }"#,
+        )
+        .unwrap();
+
+        assert_eq!(
+            project_node.path,
+            Some(PathNode::Required(PathBuf::from("src")))
+        );
+    }
+
+    #[test]
+    fn project_node_optional() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": { "optional": "src" }
+            }"#,
+        )
+        .unwrap();
+
+        assert_eq!(
+            project_node.path,
+            Some(PathNode::Optional(OptionalPathNode::new(PathBuf::from(
+                "src"
+            ))))
+        );
+    }
+
+    #[test]
+    fn project_node_none() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$className": "Folder"
+            }"#,
+        )
+        .unwrap();
+
+        assert_eq!(project_node.path, None);
+    }
+
+    #[test]
+    fn project_node_optional_serialize_absolute() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": { "optional": "..\\src" }
+            }"#,
+        )
+        .unwrap();
+
+        let serialized = serde_json::to_string(&project_node).unwrap();
+        assert_eq!(serialized, r#"{"$path":{"optional":"../src"}}"#);
+    }
+
+    #[test]
+    fn project_node_optional_serialize_absolute_no_change() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": { "optional": "../src" }
+            }"#,
+        )
+        .unwrap();
+
+        let serialized = serde_json::to_string(&project_node).unwrap();
+        assert_eq!(serialized, r#"{"$path":{"optional":"../src"}}"#);
+    }
+
+    #[test]
+    fn project_node_optional_serialize_optional() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": "..\\src"
+            }"#,
+        )
+        .unwrap();
+
+        let serialized = serde_json::to_string(&project_node).unwrap();
+        assert_eq!(serialized, r#"{"$path":"../src"}"#);
+    }
+}

crates/rojo-project/src/resolution.rs

@@ -0,0 +1,294 @@
+use std::borrow::Borrow;
+
+use anyhow::format_err;
+use rbx_dom_weak::types::{
+    CFrame, Color3, Content, Enum, Matrix3, Tags, Variant, VariantType, Vector2, Vector3,
+};
+use rbx_reflection::{DataType, PropertyDescriptor};
+use serde::{Deserialize, Serialize};
+
+/// A user-friendly version of `Variant` that supports specifying ambiguous
+/// values. Ambiguous values need a reflection database to be resolved to a
+/// usable value.
+///
+/// This type is used in Rojo projects and JSON models to make specifying the
+/// most common types of properties, like strings or vectors, much easier.
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum UnresolvedValue {
+    FullyQualified(Variant),
+    Ambiguous(AmbiguousValue),
+}
+
+impl UnresolvedValue {
+    pub fn resolve(self, class_name: &str, prop_name: &str) -> anyhow::Result<Variant> {
+        match self {
+            UnresolvedValue::FullyQualified(full) => Ok(full),
+            UnresolvedValue::Ambiguous(partial) => partial.resolve(class_name, prop_name),
+        }
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum AmbiguousValue {
+    Bool(bool),
+    String(String),
+    StringArray(Vec<String>),
+    Number(f64),
+    Array2([f64; 2]),
+    Array3([f64; 3]),
+    Array4([f64; 4]),
+    Array12([f64; 12]),
+}
+
+impl AmbiguousValue {
+    pub fn resolve(self, class_name: &str, prop_name: &str) -> anyhow::Result<Variant> {
+        let property = find_descriptor(class_name, prop_name)
+            .ok_or_else(|| format_err!("Unknown property {}.{}", class_name, prop_name))?;
+
+        match &property.data_type {
+            DataType::Enum(enum_name) => {
+                let database = rbx_reflection_database::get();
+
+                let enum_descriptor = database.enums.get(enum_name).ok_or_else(|| {
+                    format_err!("Unknown enum {}. This is a Rojo bug!", enum_name)
+                })?;
+
+                let error = |what: &str| {
+                    let mut all_values = enum_descriptor
+                        .items
+                        .keys()
+                        .map(|value| value.borrow())
+                        .collect::<Vec<_>>();
+                    all_values.sort();
+
+                    let examples = nonexhaustive_list(&all_values);
+
+                    format_err!(
+                        "Invalid value for property {}.{}. Got {} but \
+                         expected a member of the {} enum such as {}",
+                        class_name,
+                        prop_name,
+                        what,
+                        enum_name,
+                        examples,
+                    )
+                };
+
+                let value = match self {
+                    AmbiguousValue::String(value) => value,
+                    unresolved => return Err(error(unresolved.describe())),
+                };
+
+                let resolved = enum_descriptor
+                    .items
+                    .get(value.as_str())
+                    .ok_or_else(|| error(value.as_str()))?;
+
+                Ok(Enum::from_u32(*resolved).into())
+            }
+            DataType::Value(variant_ty) => match (variant_ty, self) {
+                (VariantType::Bool, AmbiguousValue::Bool(value)) => Ok(value.into()),
+
+                (VariantType::Float32, AmbiguousValue::Number(value)) => Ok((value as f32).into()),
+                (VariantType::Float64, AmbiguousValue::Number(value)) => Ok(value.into()),
+                (VariantType::Int32, AmbiguousValue::Number(value)) => Ok((value as i32).into()),
+                (VariantType::Int64, AmbiguousValue::Number(value)) => Ok((value as i64).into()),
+
+                (VariantType::String, AmbiguousValue::String(value)) => Ok(value.into()),
+                (VariantType::Tags, AmbiguousValue::StringArray(value)) => {
+                    Ok(Tags::from(value).into())
+                }
+                (VariantType::Content, AmbiguousValue::String(value)) => {
+                    Ok(Content::from(value).into())
+                }
+
+                (VariantType::Vector2, AmbiguousValue::Array2(value)) => {
+                    Ok(Vector2::new(value[0] as f32, value[1] as f32).into())
+                }
+
+                (VariantType::Vector3, AmbiguousValue::Array3(value)) => {
+                    Ok(Vector3::new(value[0] as f32, value[1] as f32, value[2] as f32).into())
+                }
+
+                (VariantType::Color3, AmbiguousValue::Array3(value)) => {
+                    Ok(Color3::new(value[0] as f32, value[1] as f32, value[2] as f32).into())
+                }
+
+                (VariantType::CFrame, AmbiguousValue::Array12(value)) => {
+                    let value = value.map(|v| v as f32);
+                    let pos = Vector3::new(value[0], value[1], value[2]);
+                    let orientation = Matrix3::new(
+                        Vector3::new(value[3], value[4], value[5]),
+                        Vector3::new(value[6], value[7], value[8]),
+                        Vector3::new(value[9], value[10], value[11]),
+                    );
+
+                    Ok(CFrame::new(pos, orientation).into())
+                }
+
+                (_, unresolved) => Err(format_err!(
+                    "Wrong type of value for property {}.{}. Expected {:?}, got {}",
+                    class_name,
+                    prop_name,
+                    variant_ty,
+                    unresolved.describe(),
+                )),
+            },
+            _ => Err(format_err!(
+                "Unknown data type for property {}.{}",
+                class_name,
+                prop_name
+            )),
+        }
+    }
+
+    fn describe(&self) -> &'static str {
+        match self {
+            AmbiguousValue::Bool(_) => "a bool",
+            AmbiguousValue::String(_) => "a string",
+            AmbiguousValue::StringArray(_) => "an array of strings",
+            AmbiguousValue::Number(_) => "a number",
+            AmbiguousValue::Array2(_) => "an array of two numbers",
+            AmbiguousValue::Array3(_) => "an array of three numbers",
+            AmbiguousValue::Array4(_) => "an array of four numbers",
+            AmbiguousValue::Array12(_) => "an array of twelve numbers",
+        }
+    }
+}
+
+fn find_descriptor(
+    class_name: &str,
+    prop_name: &str,
+) -> Option<&'static PropertyDescriptor<'static>> {
+    let database = rbx_reflection_database::get();
+    let mut current_class_name = class_name;
+
+    loop {
+        let class = database.classes.get(current_class_name)?;
+        if let Some(descriptor) = class.properties.get(prop_name) {
+            return Some(descriptor);
+        }
+
+        current_class_name = class.superclass.as_deref()?;
+    }
+}
+
+/// Outputs a string containing up to MAX_ITEMS entries from the given list. If
+/// there are more than MAX_ITEMS items, the number of remaining items will be
+/// listed.
+fn nonexhaustive_list(values: &[&str]) -> String {
+    use std::fmt::Write;
+
+    const MAX_ITEMS: usize = 8;
+
+    let mut output = String::new();
+
+    let last_index = values.len() - 1;
+    let main_length = last_index.min(9);
+
+    let main_list = &values[..main_length];
+    for value in main_list {
+        output.push_str(value);
+        output.push_str(", ");
+    }
+
+    if values.len() > MAX_ITEMS {
+        write!(output, "or {} more", values.len() - main_length).unwrap();
+    } else {
+        output.push_str("or ");
+        output.push_str(values[values.len() - 1]);
+    }
+
+    output
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    fn resolve(class: &str, prop: &str, json_value: &str) -> Variant {
+        let unresolved: UnresolvedValue = serde_json::from_str(json_value).unwrap();
+        unresolved.resolve(class, prop).unwrap()
+    }
+
+    #[test]
+    fn bools() {
+        assert_eq!(resolve("BoolValue", "Value", "false"), Variant::Bool(false));
+
+        // Script.Disabled is inherited from BaseScript
+        assert_eq!(resolve("Script", "Disabled", "true"), Variant::Bool(true));
+    }
+
+    #[test]
+    fn strings() {
+        // String literals can stay as strings
+        assert_eq!(
+            resolve("StringValue", "Value", "\"Hello!\""),
+            Variant::String("Hello!".into()),
+        );
+
+        // String literals can also turn into Content
+        assert_eq!(
+            resolve("Sky", "MoonTextureId", "\"rbxassetid://12345\""),
+            Variant::Content("rbxassetid://12345".into()),
+        );
+
+        // What about BinaryString values? For forward-compatibility reasons, we
+        // don't support any shorthands for BinaryString.
+        //
+        // assert_eq!(
+        //     resolve("Folder", "Tags", "\"a\\u0000b\\u0000c\""),
+        //     Variant::BinaryString(b"a\0b\0c".to_vec().into()),
+        // );
+    }
+
+    #[test]
+    fn numbers() {
+        assert_eq!(
+            resolve("Part", "CollisionGroupId", "123"),
+            Variant::Int32(123),
+        );
+
+        assert_eq!(
+            resolve("Folder", "SourceAssetId", "532413"),
+            Variant::Int64(532413),
+        );
+
+        assert_eq!(resolve("Part", "Transparency", "1"), Variant::Float32(1.0));
+        assert_eq!(resolve("NumberValue", "Value", "1"), Variant::Float64(1.0));
+    }
+
+    #[test]
+    fn vectors() {
+        assert_eq!(
+            resolve("ParticleEmitter", "SpreadAngle", "[1, 2]"),
+            Variant::Vector2(Vector2::new(1.0, 2.0)),
+        );
+
+        assert_eq!(
+            resolve("Part", "Position", "[4, 5, 6]"),
+            Variant::Vector3(Vector3::new(4.0, 5.0, 6.0)),
+        );
+    }
+
+    #[test]
+    fn colors() {
+        assert_eq!(
+            resolve("Part", "Color", "[1, 1, 1]"),
+            Variant::Color3(Color3::new(1.0, 1.0, 1.0)),
+        );
+
+        // There aren't any user-facing Color3uint8 properties. If there are
+        // some, we should treat them the same in the future.
+    }
+
+    #[test]
+    fn enums() {
+        assert_eq!(
+            resolve("Lighting", "Technology", "\"Voxel\""),
+            Variant::Enum(Enum::from_u32(1)),
+        );
+    }
+}

foreman.toml

@@ -0,0 +1,4 @@
+[tools]
+rojo = { source = "rojo-rbx/rojo", version = "7.1.1" }
+run-in-roblox = { source = "rojo-rbx/run-in-roblox", version = "0.3.0" }
+selene = { source = "Kampfkarren/selene", version = "0.17.0" }

plugin.project.json

@@ -1,27 +0,0 @@
-{
-  "name": "Rojo",
-  "tree": {
-    "$className": "Folder",
-    "Plugin": {
-      "$path": "plugin/src"
-    },
-    "Packages": {
-      "$path": "plugin/Packages",
-      "Log": {
-        "$path": "plugin/log"
-      },
-      "Http": {
-        "$path": "plugin/http"
-      },
-      "Fmt": {
-        "$path": "plugin/fmt"
-      },
-      "RbxDom": {
-        "$path": "plugin/rbx_dom_lua"
-      }
-    },
-    "Version": {
-      "$path": "plugin/Version.txt"
-    }
-  }
-}

plugin/Version.txt

@@ -1 +0,0 @@
-7.7.0-rc.1

plugin/default.project.json

@@ -0,0 +1,33 @@
+{
+  "name": "Rojo",
+  "tree": {
+    "$className": "Folder",
+    "Plugin": {
+      "$path": "src"
+    },
+    "Log": {
+      "$path": "log"
+    },
+    "Http": {
+      "$path": "http"
+    },
+    "Fmt": {
+      "$path": "fmt"
+    },
+    "RbxDom": {
+      "$path": "rbx_dom_lua"
+    },
+    "Roact": {
+      "$path": "modules/roact/src"
+    },
+    "Promise": {
+      "$path": "modules/promise/lib"
+    },
+    "t": {
+      "$path": "modules/t/lib"
+    },
+    "Flipper": {
+      "$path": "modules/flipper/src"
+    }
+  }
+}

plugin/fmt/init.lua

@@ -25,7 +25,7 @@
 local function defaultTableDebug(buffer, input)
 	buffer:writeRaw("{")
 
-	for key, value in input do
+	for key, value in pairs(input) do
 		buffer:write("[{:?}] = {:?}", key, value)
 
 		if next(input, key) ~= nil then
@@ -50,7 +50,7 @@ local function defaultTableDebugExtended(buffer, input)
 	buffer:writeLineRaw("{")
 	buffer:indent()
 
-	for key, value in input do
+	for key, value in pairs(input) do
 		buffer:writeLine("[{:?}] = {:#?},", key, value)
 	end
 
@@ -70,7 +70,7 @@ local function debugImpl(buffer, value, extendedForm)
 	elseif valueType == "table" then
 		local valueMeta = getmetatable(value)
 
-		if valueMeta ~= nil and valueMeta.__fmtDebug ~= nil then
+		if valueMeta ~= nil and  valueMeta.__fmtDebug ~= nil then
 			-- This type implement's the metamethod we made up to line up with
 			-- Rust's 'Debug' trait.
 
@@ -242,4 +242,4 @@ return {
 	debugOutputBuffer = debugOutputBuffer,
 	fmt = fmt,
 	debugify = debugify,
-}
+}

plugin/http/Error.lua

@@ -3,12 +3,12 @@ Error.__index = Error
 
 Error.Kind = {
 	HttpNotEnabled = {
-		message = "Rojo requires HTTP access, which is not enabled.\n"
-			.. "Check your game settings, located in the 'Home' tab of Studio.",
+		message = "Rojo requires HTTP access, which is not enabled.\n" ..
+			"Check your game settings, located in the 'Home' tab of Studio.",
 	},
 	ConnectFailed = {
-		message = "Couldn't connect to the Rojo server.\n"
-			.. "Make sure the server is running — use 'rojo serve' to run it!",
+		message = "Couldn't connect to the Rojo server.\n" ..
+			"Make sure the server is running — use 'rojo serve' to run it!",
 	},
 	Timeout = {
 		message = "HTTP request timed out.",
@@ -63,13 +63,4 @@ function Error.fromRobloxErrorString(message)
 	return Error.new(Error.Kind.Unknown, message)
 end
 
-function Error.fromResponse(response)
-	local lower = (response.body or ""):lower()
-	if response.code == 408 or response.code == 504 or lower:find("timed? ?out") then
-		return Error.new(Error.Kind.Timeout)
-	end
-
-	return Error.new(Error.Kind.Unknown, string.format("%s: %s", tostring(response.code), tostring(response.body)))
-end
-
 return Error

plugin/http/Response.lua

@@ -31,4 +31,4 @@ function Response:json()
 	return HttpService:JSONDecode(self.body)
 end
 
-return Response
+return Response

plugin/http/init.lua

@@ -30,13 +30,8 @@ local function performRequest(requestParams)
 			end)
 
 			if success then
-				Log.trace("Request {} success, response {:#?}", requestId, response)
-				local httpResponse = HttpResponse.fromRobloxResponse(response)
-				if httpResponse:isSuccess() then
-					resolve(httpResponse)
-				else
-					reject(HttpError.fromResponse(httpResponse))
-				end
+				Log.trace("Request {} success, status code {}", requestId, response.StatusCode)
+				resolve(HttpResponse.fromRobloxResponse(response))
 			else
 				Log.trace("Request {} failure: {:?}", requestId, response)
 				reject(HttpError.fromRobloxErrorString(response))
@@ -68,4 +63,4 @@ function Http.jsonDecode(source)
 	return HttpService:JSONDecode(source)
 end
 
-return Http
+return Http

plugin/http/init.spec.lua

@@ -2,4 +2,4 @@ return function()
 	it("should load", function()
 		require(script.Parent)
 	end)
-end
+end

plugin/log/init.lua

@@ -57,4 +57,4 @@ function Log.error(template, ...)
 	error(Fmt.fmt(template, ...))
 end
 
-return Log
+return Log

plugin/log/init.spec.lua

@@ -2,4 +2,4 @@ return function()
 	it("should load", function()
 		require(script.Parent)
 	end)
-end
+end

plugin/rbx_dom_lua/EncodedValue.lua

@@ -20,54 +20,11 @@ local function serializeFloat(value)
 	return value
 end
 
-local ALL_AXES = { "X", "Y", "Z" }
-local ALL_FACES = { "Right", "Top", "Back", "Left", "Bottom", "Front" }
-
-local EncodedValue = {}
+local ALL_AXES = {"X", "Y", "Z"}
+local ALL_FACES = {"Right", "Top", "Back", "Left", "Bottom", "Front"}
 
 local types
 types = {
-	Attributes = {
-		fromPod = function(pod)
-			local output = {}
-
-			for key, value in pairs(pod) do
-				local ok, result = EncodedValue.decode(value)
-
-				if ok then
-					output[key] = result
-				else
-					local warning = ("Could not decode attribute value of type %q: %s"):format(
-						typeof(value),
-						tostring(result)
-					)
-					warn(warning)
-				end
-			end
-
-			return output
-		end,
-		toPod = function(roblox)
-			local output = {}
-
-			for key, value in pairs(roblox) do
-				local ok, result = EncodedValue.encodeNaive(value)
-
-				if ok then
-					output[key] = result
-				else
-					local warning = ("Could not encode attribute value of type %q: %s"):format(
-						typeof(value),
-						tostring(result)
-					)
-					warn(warning)
-				end
-			end
-
-			return output
-		end,
-	},
-
 	Axes = {
 		fromPod = function(pod)
 			local axes = {}
@@ -117,7 +74,6 @@ types = {
 			local pos = pod.position
 			local orient = pod.orientation
 
-			--stylua: ignore
 			return CFrame.new(
 				pos[1], pos[2], pos[3],
 				orient[1][1], orient[1][2], orient[1][3],
@@ -127,14 +83,17 @@ types = {
 		end,
 
 		toPod = function(roblox)
-			local x, y, z, r00, r01, r02, r10, r11, r12, r20, r21, r22 = roblox:GetComponents()
+			local x, y, z,
+				r00, r01, r02,
+				r10, r11, r12,
+				r20, r21, r22 = roblox:GetComponents()
 
 			return {
-				position = { x, y, z },
+				position = {x, y, z},
 				orientation = {
-					{ r00, r01, r02 },
-					{ r10, r11, r12 },
-					{ r20, r21, r22 },
+					{r00, r01, r02},
+					{r10, r11, r12},
+					{r20, r21, r22},
 				},
 			}
 		end,
@@ -144,7 +103,7 @@ types = {
 		fromPod = unpackDecoder(Color3.new),
 
 		toPod = function(roblox)
-			return { roblox.r, roblox.g, roblox.b }
+			return {roblox.r, roblox.g, roblox.b}
 		end,
 	},
 
@@ -165,7 +124,10 @@ types = {
 			local keypoints = {}
 
 			for index, keypoint in ipairs(pod.keypoints) do
-				keypoints[index] = ColorSequenceKeypoint.new(keypoint.time, types.Color3.fromPod(keypoint.color))
+				keypoints[index] = ColorSequenceKeypoint.new(
+					keypoint.time,
+					types.Color3.fromPod(keypoint.color)
+				)
 			end
 
 			return ColorSequence.new(keypoints)
@@ -188,38 +150,6 @@ types = {
 	},
 
 	Content = {
-		fromPod = function(pod): Content
-			if type(pod) == "string" then
-				if pod == "None" then
-					return Content.none
-				else
-					error(`unexpected Content value '{pod}'`)
-				end
-			else
-				local ty, value = next(pod)
-				if ty == "Uri" then
-					return Content.fromUri(value)
-				elseif ty == "Object" then
-					error("Object deserializing is not currently implemented")
-				else
-					error(`Unknown Content type '{ty}' (could not deserialize)`)
-				end
-			end
-		end,
-		toPod = function(roblox: Content)
-			if roblox.SourceType == Enum.ContentSourceType.None then
-				return "None"
-			elseif roblox.SourceType == Enum.ContentSourceType.Uri then
-				return { Uri = roblox.Uri }
-			elseif roblox.SourceType == Enum.ContentSourceType.Object then
-				error("Object serializing is not currently implemented")
-			else
-				error(`Unknown Content type '{roblox.SourceType} (could not serialize)`)
-			end
-		end,
-	},
-
-	ContentId = {
 		fromPod = identity,
 		toPod = identity,
 	},
@@ -237,19 +167,6 @@ types = {
 		end,
 	},
 
-	EnumItem = {
-		fromPod = function(pod)
-			return Enum[pod.type]:FromValue(pod.value)
-		end,
-
-		toPod = function(roblox)
-			return {
-				type = tostring(roblox.EnumType),
-				value = roblox.Value,
-			}
-		end,
-	},
-
 	Faces = {
 		fromPod = function(pod)
 			local faces = {}
@@ -284,23 +201,6 @@ types = {
 		toPod = serializeFloat,
 	},
 
-	Font = {
-		fromPod = function(pod)
-			return Font.new(
-				pod.family,
-				if pod.weight ~= nil then Enum.FontWeight[pod.weight] else nil,
-				if pod.style ~= nil then Enum.FontStyle[pod.style] else nil
-			)
-		end,
-		toPod = function(roblox)
-			return {
-				family = roblox.Family,
-				weight = roblox.Weight.Name,
-				style = roblox.Style.Name,
-			}
-		end,
-	},
-
 	Int32 = {
 		fromPod = identity,
 		toPod = identity,
@@ -311,32 +211,11 @@ types = {
 		toPod = identity,
 	},
 
-	MaterialColors = {
-		fromPod = function(pod: { [string]: { number } })
-			local real = {}
-			for name, color in pod do
-				real[Enum.Material[name]] = Color3.fromRGB(color[1], color[2], color[3])
-			end
-			return real
-		end,
-		toPod = function(roblox: { [Enum.Material]: Color3 })
-			local pod = {}
-			for material, color in roblox do
-				pod[material.Name] = {
-					math.round(math.clamp(color.R, 0, 1) * 255),
-					math.round(math.clamp(color.G, 0, 1) * 255),
-					math.round(math.clamp(color.B, 0, 1) * 255),
-				}
-			end
-			return pod
-		end,
-	},
-
 	NumberRange = {
 		fromPod = unpackDecoder(NumberRange.new),
 
 		toPod = function(roblox)
-			return { roblox.Min, roblox.Max }
+			return {roblox.Min, roblox.Max}
 		end,
 	},
 
@@ -345,12 +224,11 @@ types = {
 			local keypoints = {}
 
 			for index, keypoint in ipairs(pod.keypoints) do
-				-- TODO: Add a test for NaN or Infinity values and envelopes
-				-- Right now it isn't possible because it'd fail the roundtrip.
-				-- It's more important that it works right now, though.
-				local value = keypoint.value or 0
-				local envelope = keypoint.envelope or 0
-				keypoints[index] = NumberSequenceKeypoint.new(keypoint.time, value, envelope)
+				keypoints[index] = NumberSequenceKeypoint.new(
+					keypoint.time,
+					keypoint.value,
+					keypoint.envelope
+				)
 			end
 
 			return NumberSequence.new(keypoints)
@@ -378,26 +256,13 @@ types = {
 			if pod == "Default" then
 				return nil
 			else
-				-- Passing `nil` instead of not passing anything gives
-				-- different results, so we have to branch here.
-				if pod.acousticAbsorption then
-					return (PhysicalProperties.new :: any)(
-						pod.density,
-						pod.friction,
-						pod.elasticity,
-						pod.frictionWeight,
-						pod.elasticityWeight,
-						pod.acousticAbsorption
-					)
-				else
-					return PhysicalProperties.new(
-						pod.density,
-						pod.friction,
-						pod.elasticity,
-						pod.frictionWeight,
-						pod.elasticityWeight
-					)
-				end
+				return PhysicalProperties.new(
+					pod.density,
+					pod.friction,
+					pod.elasticity,
+					pod.frictionWeight,
+					pod.elasticityWeight
+				)
 			end
 		end,
 
@@ -411,7 +276,6 @@ types = {
 					elasticity = roblox.Elasticity,
 					frictionWeight = roblox.FrictionWeight,
 					elasticityWeight = roblox.ElasticityWeight,
-					acousticAbsorption = roblox.AcousticAbsorption,
 				}
 			end
 		end,
@@ -419,7 +283,10 @@ types = {
 
 	Ray = {
 		fromPod = function(pod)
-			return Ray.new(types.Vector3.fromPod(pod.origin), types.Vector3.fromPod(pod.direction))
+			return Ray.new(
+				types.Vector3.fromPod(pod.origin),
+				types.Vector3.fromPod(pod.direction)
+			)
 		end,
 
 		toPod = function(roblox)
@@ -432,7 +299,10 @@ types = {
 
 	Rect = {
 		fromPod = function(pod)
-			return Rect.new(types.Vector2.fromPod(pod[1]), types.Vector2.fromPod(pod[2]))
+			return Rect.new(
+				types.Vector2.fromPod(pod[1]),
+				types.Vector2.fromPod(pod[2])
+			)
 		end,
 
 		toPod = function(roblox)
@@ -444,28 +314,31 @@ types = {
 	},
 
 	Ref = {
-		fromPod = function(_)
+		fromPod = function(_pod)
 			error("Ref cannot be decoded on its own")
 		end,
 
-		toPod = function(_)
+		toPod = function(_roblox)
 			error("Ref can not be encoded on its own")
 		end,
 	},
 
 	Region3 = {
-		fromPod = function(_)
+		fromPod = function(pod)
 			error("Region3 is not implemented")
 		end,
 
-		toPod = function(_)
+		toPod = function(roblox)
 			error("Region3 is not implemented")
 		end,
 	},
 
 	Region3int16 = {
 		fromPod = function(pod)
-			return Region3int16.new(types.Vector3int16.fromPod(pod[1]), types.Vector3int16.fromPod(pod[2]))
+			return Region3int16.new(
+				types.Vector3int16.fromPod(pod[1]),
+				types.Vector3int16.fromPod(pod[2])
+			)
 		end,
 
 		toPod = function(roblox)
@@ -477,11 +350,11 @@ types = {
 	},
 
 	SharedString = {
-		fromPod = function(_pod)
+		fromPod = function(pod)
 			error("SharedString is not supported")
 		end,
 
-		toPod = function(_roblox)
+		toPod = function(roblox)
 			error("SharedString is not supported")
 		end,
 	},
@@ -495,13 +368,16 @@ types = {
 		fromPod = unpackDecoder(UDim.new),
 
 		toPod = function(roblox)
-			return { roblox.Scale, roblox.Offset }
+			return {roblox.Scale, roblox.Offset}
 		end,
 	},
 
 	UDim2 = {
 		fromPod = function(pod)
-			return UDim2.new(types.UDim.fromPod(pod[1]), types.UDim.fromPod(pod[2]))
+			return UDim2.new(
+				types.UDim.fromPod(pod[1]),
+				types.UDim.fromPod(pod[2])
+			)
 		end,
 
 		toPod = function(roblox)
@@ -532,7 +408,7 @@ types = {
 		fromPod = unpackDecoder(Vector2int16.new),
 
 		toPod = function(roblox)
-			return { roblox.X, roblox.Y }
+			return {roblox.X, roblox.Y}
 		end,
 	},
 
@@ -552,37 +428,16 @@ types = {
 		fromPod = unpackDecoder(Vector3int16.new),
 
 		toPod = function(roblox)
-			return { roblox.X, roblox.Y, roblox.Z }
+			return {roblox.X, roblox.Y, roblox.Z}
 		end,
 	},
 }
 
-types.OptionalCFrame = {
-	fromPod = function(pod)
-		if pod == nil then
-			return nil
-		else
-			return types.CFrame.fromPod(pod)
-		end
-	end,
-
-	toPod = function(roblox)
-		if roblox == nil then
-			return nil
-		else
-			return types.CFrame.toPod(roblox)
-		end
-	end,
-}
+local EncodedValue = {}
 
 function EncodedValue.decode(encodedValue)
 	local ty, value = next(encodedValue)
 
-	if ty == nil then
-		-- If the encoded pair is empty, assume it is an unoccupied optional value
-		return true, nil
-	end
-
 	local typeImpl = types[ty]
 	if typeImpl == nil then
 		return false, "Couldn't decode value " .. tostring(ty)
@@ -604,19 +459,4 @@ function EncodedValue.encode(rbxValue, propertyType)
 	}
 end
 
-local propertyTypeRenames = {
-	number = "Float64",
-	boolean = "Bool",
-	string = "String",
-}
-
-function EncodedValue.encodeNaive(rbxValue)
-	local propertyType = typeof(rbxValue)
-	if propertyTypeRenames[propertyType] ~= nil then
-		propertyType = propertyTypeRenames[propertyType]
-	end
-
-	return EncodedValue.encode(rbxValue, propertyType)
-end
-
 return EncodedValue

plugin/rbx_dom_lua/EncodedValue.spec.lua

@@ -0,0 +1,72 @@
+return function()
+	local HttpService = game:GetService("HttpService")
+	
+	local EncodedValue = require(script.Parent.EncodedValue)
+	local allValues = require(script.Parent.allValues)
+
+	local function deepEq(a, b)
+		if typeof(a) ~= typeof(b) then
+			return false
+		end
+
+		local ty = typeof(a)
+
+		if ty == "table" then
+			local visited = {}
+			
+			for key, valueA in pairs(a) do
+				visited[key] = true
+				
+				if not deepEq(valueA, b[key]) then
+					return false
+				end
+			end
+
+			for key, valueB in pairs(b) do
+				if visited[key] then
+					continue
+				end
+
+				if not deepEq(valueB, a[key]) then
+					return false
+				end
+			end
+
+			return true
+		else
+			return a == b
+		end
+	end
+
+	local extraAssertions = {
+		CFrame = function(value)
+			expect(value).to.equal(CFrame.new(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12))
+		end,
+	}
+
+	for testName, testEntry in pairs(allValues) do
+		it("round trip " .. testName, function()
+			local ok, decoded = EncodedValue.decode(testEntry.value)
+			assert(ok, decoded)
+
+			if extraAssertions[testName] ~= nil then
+				extraAssertions[testName](decoded)
+			end
+
+			local ok, encoded = EncodedValue.encode(decoded, testEntry.ty)
+			assert(ok, encoded)
+
+			if not deepEq(encoded, testEntry.value) then
+				local expected = HttpService:JSONEncode(testEntry.value)
+				local actual = HttpService:JSONEncode(encoded)
+
+				local message = string.format(
+					"Round-trip results did not match.\nExpected:\n%s\nActual:\n%s",
+					expected, actual
+				)
+
+				error(message)
+			end
+		end)
+	end
+end

plugin/rbx_dom_lua/Error.lua

@@ -5,7 +5,6 @@ Error.Kind = {
 	UnknownProperty = "UnknownProperty",
 	PropertyNotReadable = "PropertyNotReadable",
 	PropertyNotWritable = "PropertyNotWritable",
-	CannotParseBinaryString = "CannotParseBinaryString",
 	Roblox = "Roblox",
 }
 
@@ -26,4 +25,4 @@ function Error:__tostring()
 	return ("Error(%s: %s)"):format(self.kind, tostring(self.extra))
 end
 
-return Error
+return Error

plugin/rbx_dom_lua/PropertyDescriptor.lua

@@ -53,11 +53,6 @@ function PropertyDescriptor:read(instance)
 	end
 
 	if self.scriptability == "Custom" then
-		if customProperties[self.className] == nil then
-			local fullName = ("%s.%s"):format(instance.className, self.name)
-			return false, Error.new(Error.Kind.PropertyNotReadable, fullName)
-		end
-
 		local interface = customProperties[self.className][self.name]
 
 		return interface.read(instance, self.name)
@@ -84,11 +79,6 @@ function PropertyDescriptor:write(instance, value)
 	end
 
 	if self.scriptability == "Custom" then
-		if customProperties[self.className] == nil then
-			local fullName = ("%s.%s"):format(instance.className, self.name)
-			return false, Error.new(Error.Kind.PropertyNotWritable, fullName)
-		end
-
 		local interface = customProperties[self.className][self.name]
 
 		return interface.write(instance, self.name, value)

plugin/rbx_dom_lua/allValues.json

@@ -1,79 +1,4 @@
 {
-  "Attributes": {
-    "value": {
-      "Attributes": {
-        "TestBool": {
-          "Bool": true
-        },
-        "TestBrickColor": {
-          "BrickColor": 24
-        },
-        "TestColor3": {
-          "Color3": [
-            1.0,
-            0.5,
-            0.0
-          ]
-        },
-        "TestEnumItem": {
-          "EnumItem": {
-            "type": "Material",
-            "value": 256
-          }
-        },
-        "TestNumber": {
-          "Float64": 1337.0
-        },
-        "TestRect": {
-          "Rect": [
-            [
-              1.0,
-              2.0
-            ],
-            [
-              3.0,
-              4.0
-            ]
-          ]
-        },
-        "TestString": {
-          "String": "Test"
-        },
-        "TestUDim": {
-          "UDim": [
-            1.0,
-            2
-          ]
-        },
-        "TestUDim2": {
-          "UDim2": [
-            [
-              1.0,
-              2
-            ],
-            [
-              3.0,
-              4
-            ]
-          ]
-        },
-        "TestVector2": {
-          "Vector2": [
-            1.0,
-            2.0
-          ]
-        },
-        "TestVector3": {
-          "Vector3": [
-            1.0,
-            2.0,
-            3.0
-          ]
-        }
-      }
-    },
-    "ty": "Attributes"
-  },
   "Axes": {
     "value": {
       "Axes": [
@@ -176,23 +101,9 @@
     },
     "ty": "ColorSequence"
   },
-  "ContentId": {
+  "Content": {
     "value": {
-      "ContentId": "rbxassetid://12345"
-    },
-    "ty": "ContentId"
-  },
-  "Content_None": {
-    "value": {
-      "Content": "None"
-    },
-    "ty": "Content"
-  },
-  "Content_Uri": {
-    "value": {
-      "Content": {
-        "Uri": "rbxasset://abc/123.rojo"
-      }
+      "Content": "rbxassetid://12345"
     },
     "ty": "Content"
   },
@@ -202,15 +113,6 @@
     },
     "ty": "Enum"
   },
-  "EnumItem": {
-    "value": {
-      "EnumItem": {
-        "type": "Material",
-        "value": 256
-      }
-    },
-    "ty": "EnumItem"
-  },
   "Faces": {
     "value": {
       "Faces": [
@@ -236,17 +138,6 @@
     },
     "ty": "Float64"
   },
-  "Font": {
-    "value": {
-      "Font": {
-        "family": "rbxasset://fonts/families/SourceSansPro.json",
-        "weight": "Regular",
-        "style": "Normal",
-        "cachedFaceId": null
-      }
-    },
-    "ty": "Font"
-  },
   "Int32": {
     "value": {
       "Int32": 6014
@@ -259,118 +150,6 @@
     },
     "ty": "Int64"
   },
-  "MaterialColors": {
-    "value": {
-      "MaterialColors": {
-        "Grass": [
-          106,
-          127,
-          63
-        ],
-        "Slate": [
-          63,
-          127,
-          107
-        ],
-        "Concrete": [
-          127,
-          102,
-          63
-        ],
-        "Brick": [
-          138,
-          86,
-          62
-        ],
-        "Sand": [
-          143,
-          126,
-          95
-        ],
-        "WoodPlanks": [
-          139,
-          109,
-          79
-        ],
-        "Rock": [
-          102,
-          108,
-          111
-        ],
-        "Glacier": [
-          101,
-          176,
-          234
-        ],
-        "Snow": [
-          195,
-          199,
-          218
-        ],
-        "Sandstone": [
-          137,
-          90,
-          71
-        ],
-        "Mud": [
-          58,
-          46,
-          36
-        ],
-        "Basalt": [
-          30,
-          30,
-          37
-        ],
-        "Ground": [
-          102,
-          92,
-          59
-        ],
-        "CrackedLava": [
-          232,
-          156,
-          74
-        ],
-        "Asphalt": [
-          115,
-          123,
-          107
-        ],
-        "Cobblestone": [
-          132,
-          123,
-          90
-        ],
-        "Ice": [
-          129,
-          194,
-          224
-        ],
-        "LeafyGrass": [
-          115,
-          132,
-          74
-        ],
-        "Salt": [
-          198,
-          189,
-          181
-        ],
-        "Limestone": [
-          206,
-          173,
-          148
-        ],
-        "Pavement": [
-          148,
-          148,
-          140
-        ]
-      }
-    },
-    "ty": "MaterialColors"
-  },
   "NumberRange": {
     "value": {
       "NumberRange": [
@@ -399,41 +178,6 @@
     },
     "ty": "NumberSequence"
   },
-  "OptionalCFrame-None": {
-    "value": {
-      "OptionalCFrame": null
-    },
-    "ty": "OptionalCFrame"
-  },
-  "OptionalCFrame-Some": {
-    "value": {
-      "OptionalCFrame": {
-        "position": [
-          0.0,
-          0.0,
-          0.0
-        ],
-        "orientation": [
-          [
-            1.0,
-            0.0,
-            0.0
-          ],
-          [
-            0.0,
-            1.0,
-            0.0
-          ],
-          [
-            0.0,
-            0.0,
-            1.0
-          ]
-        ]
-      }
-    },
-    "ty": "OptionalCFrame"
-  },
   "PhysicalProperties-Custom": {
     "value": {
       "PhysicalProperties": {
@@ -441,8 +185,7 @@
         "friction": 1.0,
         "elasticity": 0.0,
         "frictionWeight": 50.0,
-        "elasticityWeight": 25.0,
-        "acousticAbsorption": 0.15625
+        "elasticityWeight": 25.0
       }
     },
     "ty": "PhysicalProperties"

plugin/rbx_dom_lua/base64.lua

@@ -1,10 +1,139 @@
-local EncodingService = game:GetService("EncodingService")
+-- Thanks to Tiffany352 for this base64 implementation!
+
+local floor = math.floor
+local char = string.char
+
+local function encodeBase64(str)
+	local out = {}
+	local nOut = 0
+	local alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+	local strLen = #str
+
+	-- 3 octets become 4 hextets
+	for i = 1, strLen - 2, 3 do
+		local b1, b2, b3 = str:byte(i, i + 3)
+		local word = b3 + b2 * 256 + b1 * 256 * 256
+
+		local h4 = word % 64 + 1
+		word = floor(word / 64)
+		local h3 = word % 64 + 1
+		word = floor(word / 64)
+		local h2 = word % 64 + 1
+		word = floor(word / 64)
+		local h1 = word % 64 + 1
+
+		out[nOut + 1] = alphabet:sub(h1, h1)
+		out[nOut + 2] = alphabet:sub(h2, h2)
+		out[nOut + 3] = alphabet:sub(h3, h3)
+		out[nOut + 4] = alphabet:sub(h4, h4)
+		nOut = nOut + 4
+	end
+
+	local remainder = strLen % 3
+
+	if remainder == 2 then
+		-- 16 input bits -> 3 hextets (2 full, 1 partial)
+		local b1, b2 = str:byte(-2, -1)
+		-- partial is 4 bits long, leaving 2 bits of zero padding ->
+		-- offset = 4
+		local word = b2 * 4 + b1 * 4 * 256
+
+		local h3 = word % 64 + 1
+		word = floor(word / 64)
+		local h2 = word % 64 + 1
+		word = floor(word / 64)
+		local h1 = word % 64 + 1
+
+		out[nOut + 1] = alphabet:sub(h1, h1)
+		out[nOut + 2] = alphabet:sub(h2, h2)
+		out[nOut + 3] = alphabet:sub(h3, h3)
+		out[nOut + 4] = "="
+	elseif remainder == 1 then
+		-- 8 input bits -> 2 hextets (2 full, 1 partial)
+		local b1 = str:byte(-1, -1)
+		-- partial is 2 bits long, leaving 4 bits of zero padding ->
+		-- offset = 16
+		local word = b1 * 16
+
+		local h2 = word % 64 + 1
+		word = floor(word / 64)
+		local h1 = word % 64 + 1
+
+		out[nOut + 1] = alphabet:sub(h1, h1)
+		out[nOut + 2] = alphabet:sub(h2, h2)
+		out[nOut + 3] = "="
+		out[nOut + 4] = "="
+	end
+	-- if the remainder is 0, then no work is needed
+
+	return table.concat(out, "")
+end
+
+local function decodeBase64(str)
+	local out = {}
+	local nOut = 0
+	local alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+	local strLen = #str
+	local acc = 0
+	local nAcc = 0
+
+	local alphabetLut = {}
+	for i = 1, #alphabet do
+		alphabetLut[alphabet:sub(i, i)] = i - 1
+	end
+
+	-- 4 hextets become 3 octets
+	for i = 1, strLen do
+		local ch = str:sub(i, i)
+		local byte = alphabetLut[ch]
+		if byte then
+			acc = acc * 64 + byte
+			nAcc = nAcc + 1
+		end
+
+		if nAcc == 4 then
+			local b3 = acc % 256
+			acc = floor(acc / 256)
+			local b2 = acc % 256
+			acc = floor(acc / 256)
+			local b1 = acc % 256
+
+			out[nOut + 1] = char(b1)
+			out[nOut + 2] = char(b2)
+			out[nOut + 3] = char(b3)
+			nOut = nOut + 3
+			nAcc = 0
+			acc = 0
+		end
+	end
+
+	if nAcc == 3 then
+		-- 3 hextets -> 16 bit output
+		acc = acc * 64
+		acc = floor(acc / 256)
+		local b2 = acc % 256
+		acc = floor(acc / 256)
+		local b1 = acc % 256
+
+		out[nOut + 1] = char(b1)
+		out[nOut + 2] = char(b2)
+	elseif nAcc == 2 then
+		-- 2 hextets -> 8 bit output
+		acc = acc * 64
+		acc = floor(acc / 256)
+		acc = acc * 64
+		acc = floor(acc / 256)
+		local b1 = acc % 256
+
+		out[nOut + 1] = char(b1)
+	elseif nAcc == 1 then
+		error("Base64 has invalid length")
+	end
+
+	return table.concat(out, "")
+end
 
 return {
-	decode = function(input: string)
-		return buffer.tostring(EncodingService:Base64Decode(buffer.fromstring(input)))
-	end,
-	encode = function(input: string)
-		return buffer.tostring(EncodingService:Base64Encode(buffer.fromstring(input)))
-	end,
-}
+	decode = decodeBase64,
+	encode = encodeBase64,
+}

plugin/rbx_dom_lua/base64.spec.lua

@@ -0,0 +1,29 @@
+return function()
+	local base64 = require(script.Parent.base64)
+
+	it("should encode and decode", function()
+		local function try(str, expected)
+			local encoded = base64.encode(str)
+			expect(encoded).to.equal(expected)
+			expect(base64.decode(encoded)).to.equal(str)
+		end
+
+		try("Man", "TWFu")
+		try("Ma", "TWE=")
+		try("M", "TQ==")
+		try("ManM", "TWFuTQ==")
+		try(
+			[[Man is distinguished, not only by his reason, but by this ]]..
+			[[singular passion from other animals, which is a lust of the ]]..
+			[[mind, that by a perseverance of delight in the continued and ]]..
+			[[indefatigable generation of knowledge, exceeds the short ]]..
+			[[vehemence of any carnal pleasure.]],
+			[[TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sI]]..
+			[[GJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYW]]..
+			[[xzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJ]]..
+			[[zZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGludWVkIGFuZCBpbmRl]]..
+			[[ZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRoZ]]..
+			[[SBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=]]
+		)
+	end)
+end

plugin/rbx_dom_lua/customProperties.lua

@@ -1,99 +1,10 @@
 local CollectionService = game:GetService("CollectionService")
-local ScriptEditorService = game:GetService("ScriptEditorService")
-
-local Error = require(script.Parent.Error)
-
---- A list of `Enum.Material` values that are used for Terrain.MaterialColors
-local TERRAIN_MATERIAL_COLORS = {
-	Enum.Material.Grass,
-	Enum.Material.Slate,
-	Enum.Material.Concrete,
-	Enum.Material.Brick,
-	Enum.Material.Sand,
-	Enum.Material.WoodPlanks,
-	Enum.Material.Rock,
-	Enum.Material.Glacier,
-	Enum.Material.Snow,
-	Enum.Material.Sandstone,
-	Enum.Material.Mud,
-	Enum.Material.Basalt,
-	Enum.Material.Ground,
-	Enum.Material.CrackedLava,
-	Enum.Material.Asphalt,
-	Enum.Material.Cobblestone,
-	Enum.Material.Ice,
-	Enum.Material.LeafyGrass,
-	Enum.Material.Salt,
-	Enum.Material.Limestone,
-	Enum.Material.Pavement,
-}
-
-local function isAttributeNameValid(attributeName)
-	-- For SetAttribute to succeed, the attribute name must be less than or
-	-- equal to 100 characters...
-	return #attributeName <= 100
-		-- ...and must only contain alphanumeric characters, periods, hyphens,
-		-- underscores, or forward slashes.
-		and attributeName:match("[^%w%.%-_/]") == nil
-end
-
-local function isAttributeNameReserved(attributeName)
-	-- For SetAttribute to succeed, attribute names must not use the RBX
-	-- prefix, which is reserved by Roblox.
-	return attributeName:sub(1, 3) == "RBX"
-end
 
 -- Defines how to read and write properties that aren't directly scriptable.
 --
 -- The reflection database refers to these as having scriptability = "Custom"
 return {
 	Instance = {
-		Attributes = {
-			read = function(instance)
-				return true, instance:GetAttributes()
-			end,
-			write = function(instance, _, value)
-				if typeof(value) ~= "table" then
-					return false, Error.new(Error.Kind.CannotParseBinaryString)
-				end
-
-				local existing = instance:GetAttributes()
-				local didAllWritesSucceed = true
-
-				for attributeName, attributeValue in pairs(value) do
-					if isAttributeNameReserved(attributeName) then
-						-- If the attribute name is reserved, then we don't
-						-- really care about reporting any failures about
-						-- it.
-						continue
-					end
-
-					if not isAttributeNameValid(attributeName) then
-						didAllWritesSucceed = false
-						continue
-					end
-
-					instance:SetAttribute(attributeName, attributeValue)
-				end
-
-				for existingAttributeName in pairs(existing) do
-					if isAttributeNameReserved(existingAttributeName) then
-						continue
-					end
-
-					if not isAttributeNameValid(existingAttributeName) then
-						didAllWritesSucceed = false
-						continue
-					end
-
-					if value[existingAttributeName] == nil then
-						instance:SetAttribute(existingAttributeName, nil)
-					end
-				end
-
-				return didAllWritesSucceed
-			end,
-		},
 		Tags = {
 			read = function(instance)
 				return true, CollectionService:GetTags(instance)
@@ -121,117 +32,13 @@ return {
 	},
 	LocalizationTable = {
 		Contents = {
-			read = function(instance, _)
+			read = function(instance, key)
 				return true, instance:GetContents()
 			end,
-			write = function(instance, _, value)
+			write = function(instance, key, value)
 				instance:SetContents(value)
 				return true
 			end,
 		},
 	},
-	Model = {
-		Scale = {
-			read = function(instance, _, _)
-				return true, instance:GetScale()
-			end,
-			write = function(instance, _, value)
-				return true, instance:ScaleTo(value)
-			end,
-		},
-		WorldPivotData = {
-			read = function(instance)
-				return true, instance.WorldPivot
-			end,
-			write = function(instance, _, value)
-				if value == nil then
-					return true, nil
-				else
-					instance.WorldPivot = value
-					return true
-				end
-			end,
-		},
-	},
-	Terrain = {
-		MaterialColors = {
-			read = function(instance: Terrain)
-				-- There's no way to get a list of every color, so we have to
-				-- make one.
-				local colors = {}
-				for _, material in TERRAIN_MATERIAL_COLORS do
-					colors[material] = instance:GetMaterialColor(material)
-				end
-
-				return true, colors
-			end,
-			write = function(instance: Terrain, _, value: { [Enum.Material]: Color3 })
-				if typeof(value) ~= "table" then
-					return false, Error.new(Error.Kind.CannotParseBinaryString)
-				end
-
-				for material, color in value do
-					instance:SetMaterialColor(material, color)
-				end
-
-				return true
-			end,
-		},
-	},
-	Script = {
-		Source = {
-			read = function(instance: Script)
-				return true, ScriptEditorService:GetEditorSource(instance)
-			end,
-			write = function(instance: Script, _, value: string)
-				task.spawn(function()
-					ScriptEditorService:UpdateSourceAsync(instance, function()
-						return value
-					end)
-				end)
-				return true
-			end,
-		},
-	},
-	ModuleScript = {
-		Source = {
-			read = function(instance: ModuleScript)
-				return true, ScriptEditorService:GetEditorSource(instance)
-			end,
-			write = function(instance: ModuleScript, _, value: string)
-				task.spawn(function()
-					ScriptEditorService:UpdateSourceAsync(instance, function()
-						return value
-					end)
-				end)
-				return true
-			end,
-		},
-	},
-	StyleRule = {
-		PropertiesSerialize = {
-			read = function(instance: StyleRule)
-				return true, instance:GetProperties()
-			end,
-			write = function(instance: StyleRule, _, value: { [any]: any })
-				if typeof(value) ~= "table" then
-					return false, Error.new(Error.Kind.CannotParseBinaryString)
-				end
-
-				local existing = instance:GetProperties()
-
-				for itemName, itemValue in pairs(value) do
-					instance:SetProperty(itemName, itemValue)
-				end
-
-				for existingItemName in pairs(existing) do
-					if value[existingItemName] == nil then
-						instance:SetProperty(existingItemName, nil)
-					end
-				end
-
-				return true
-			end,
-		},
-	},
 }

plugin/rbx_dom_lua/init.lua

@@ -24,8 +24,7 @@ local function findCanonicalPropertyDescriptor(className, propertyName)
 				return PropertyDescriptor.fromRaw(
 					currentClass.Properties[aliasData.AliasFor],
 					currentClassName,
-					aliasData.AliasFor
-				)
+					aliasData.AliasFor)
 			end
 
 			return nil

plugin/rbx_dom_lua/init.spec.lua

@@ -0,0 +1,7 @@
+return function()
+	local RbxDom = require(script.Parent)
+
+	it("should load", function()
+		expect(RbxDom).to.be.ok()
+	end)
+end

plugin/run-tests.server.lua

@@ -1,11 +1,19 @@
 local ReplicatedStorage = game:GetService("ReplicatedStorage")
 
-local TestEZ = require(ReplicatedStorage.Packages:WaitForChild("TestEZ", 10))
+local TestEZ = require(ReplicatedStorage.TestEZ)
 
 local Rojo = ReplicatedStorage.Rojo
 
-local Settings = require(Rojo.Plugin.Settings)
-Settings:set("logLevel", "Trace")
-Settings:set("typecheckingEnabled", true)
+local DevSettings = require(Rojo.Plugin.DevSettings)
+
+local setDevSettings = not DevSettings:hasChangedValues()
+
+if setDevSettings then
+	DevSettings:createTestSettings()
+end
 
 require(Rojo.Plugin.runTests)(TestEZ)
+
+if setDevSettings then
+	DevSettings:resetValues()
+end