Basic 3DOM (google#992)

* WIP

* Start building it up from scratch

* Context initializer

* Add ThreeDOMElement and test

* Add Material, Model and PBRMetallicRoughness

* Add in context chunks

* Add Three.js facade

* Add Github Actions to run tests

* Update package-lock.json

* Disable IE11, add EventTarget polyfill

* Add package-lock updating script

* Fix polyfill location, use 'latest'/'latest-1' browsers

* Add linting and pre-commit hook

* Fix grep

* Fix conflict between lint and clang-format

* Unbreak pre-commit.sh

* Add an integrated demo

* End-to-end and context tests

* Add a README for 3DOM

* Add scene graph mixin and example

* Respond to review feedback

* Fix example title

* Fix EventTarget test in Firefox

* Add model-change test

* Add issue numbers to TODO comments

* Add Scene Graph test suite

* Do another release of 3dom

* Update scene-graph-spec.ts

* Add caching to Github Actions

* Remove caching for glTF Sample Models

* Increase Mocha timeout

* Fix typo in test suite

* slightly safer usage of MO

* Fix 1006/1007 early

* Skip most of suite for now

* Add TODO back in

.clang-format

@@ -7,6 +7,7 @@ AllowShortFunctionsOnASingleLine: None
 AllowShortIfStatementsOnASingleLine: false
 AllowShortLoopsOnASingleLine: false
 BinPackArguments: false
+ColumnLimit: 80
 # This breaks async functions sometimes, see
 #     https://github.com/Polymer/polymer-analyzer/pull/393
 # BinPackParameters: false

.eslintignore

@@ -0,0 +1,11 @@
+**/node_modules
+packages/*/dist
+packages/**/*.d.ts
+packages/*/src/*-css.ts
+
+packages/*/karma.*.js
+
+packages/model-viewer/**/*
+packages/modelviewer.dev/**/*
+packages/render-fidelity-tools/**/*
+packages/shared-assets/**/*

.eslintrc.yaml

@@ -0,0 +1,65 @@
+extends:
+  - eslint:recommended
+  - google
+  - plugin:@typescript-eslint/eslint-recommended
+  - plugin:@typescript-eslint/recommended
+  - plugin:wc/recommended
+globals:
+  goog: false
+env:
+  browser: true
+parser: "@typescript-eslint/parser"
+plugins:
+  - "@typescript-eslint"
+  - mocha
+  - wc
+parserOptions:
+  ecmaVersion: 2017
+  sourceType: module
+settings:
+  wc:
+    elementBaseClasses: ["BaseElement", "LitElement", "FormElement"]
+rules:
+  # Rules temporally disabled
+  "@typescript-eslint/explicit-function-return-type": off
+
+  # Rules disabled in favor of clang-format
+  "@typescript-eslint/indent": off
+  indent: off
+  max-len: off
+  block-spacing: off
+  # Remove if we switch away from clang-format:
+  keyword-spacing: off
+
+  "@typescript-eslint/explicit-member-accessibility": [error, {"accessibility": "no-public"}]
+
+  no-new: warn
+  quotes: [error, single, {"avoidEscape": true}]
+  no-var: error
+  curly: error
+  no-floating-decimal: error
+  # tsc handles this for us, and eslint has false positives
+  no-unused-vars: error
+  "@typescript-eslint/no-unused-vars":  off
+
+  require-jsdoc: off
+  valid-jsdoc: off
+
+  prefer-const: error
+  comma-dangle: off
+
+  mocha/handle-done-callback: error
+  mocha/no-exclusive-tests: error
+  mocha/no-identical-title: error
+  mocha/no-nested-tests: error
+  mocha/no-pending-tests: error
+  mocha/no-skipped-tests: error
+overrides:
+  - files: ["packages/**/*.ts"]
+    rules:
+      no-unused-vars: off
+      no-invalid-this: off
+      new-cap: off
+  - files: ["packages/**/*-spec.ts"]
+    rules:
+      "@typescript-eslint/no-non-null-assertion": off

.github/workflows/tests.yml

@@ -0,0 +1,53 @@
+name: tests
+
+on: [push, pull_request]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: '12.x'
+
+    - name: Get npm cache directory
+      id: npm-cache
+      run: |
+        echo "::set-output name=dir::$(npm config get cache)"
+
+    - name: Cache npm packages
+      uses: actions/cache@v1
+      with:
+        path: ${{ steps.npm-cache.outputs.dir }}
+        key: ${{ runner.os }}-npm-${{ hashFiles('**/package-lock.json') }}
+        restore-keys: |
+          ${{ runner.os }}-npm-
+
+    - name: NPM install
+      run: npm ci
+
+    - name: Lint TypeScript sources
+      run: npm run lint
+
+    - name: Bootstrap packages
+      run: npm run bootstrap
+
+    - name: Build packages
+      run: npm run build
+
+    - name: Unit tests
+      env:
+        SAUCE_USERNAME: ${{ secrets.SAUCE_USERNAME }}
+        SAUCE_ACCESS_KEY: ${{ secrets.SAUCE_ACCESS_KEY }}
+      run: |
+        # Don't run Sauce from a forked repo, since the code may not be trusted
+        # and therefore secrets like the Sauce password are not available.
+        # GITHUB_HEAD_REF is only defined when building a fork.
+        if [ ! "$GITHUB_HEAD_REF" ]; then
+          export USE_SAUCE=true
+          export SAUCE_BUILD_ID=model-viewer-tests-${GITHUB_EVENT_NAME}-${GITHUB_ACTION}-${GITHUB_SHA}
+          export SAUCE_TUNNEL_ID=${SAUCE_BUILD_ID}-tunnel
+        fi
+        npm run test:ci

model-viewer.code-workspace

@@ -6,6 +6,6 @@
 	],
 	"settings": {
 		"git.ignoreLimitWarning": true,
-		"typescript.tsdk": "render-fidelity-tools/node_modules/typescript/lib"
+		"typescript.tsdk": "node_modules/typescript/lib"
 	}
 }