try implementing TS Map as object definition

.eslintrc.json

@@ -4,8 +4,8 @@
     "ecmaVersion": 6,
     "sourceType": "module"
   },
-  "extends": ["airbnb", "prettier", "prettier/react"],
-  "plugins": ["react"],
+  "extends": ["airbnb", "prettier"],
+  "plugins": ["react", "prettier"],
   "rules": {
     "array-callback-return": "off",
     "block-scoped-var": "off",
@@ -60,14 +60,20 @@
     "react/prop-types": "off",
     "react/self-closing-comp": "error",
     "react/sort-comp": "off",
+    "react/jsx-props-no-spreading": "off",
+    "jsx-a11y/no-static-element-interactions": "off",
+    "import/extensions": [
+      "error",
+      "always",
+      { "js": "never", "ts": "never", "tsx": "never" }
+    ],
     "import/newline-after-import": "error",
     "import/no-cycle": "off",
     "import/no-extraneous-dependencies": "off",
     "import/no-mutable-exports": "error",
     "import/no-unresolved": "error",
     "import/no-useless-path-segments": "off",
-    "import/order": "off",
     "import/prefer-default-export": "off",
-    "jsx-a11y/no-static-element-interactions": "off"
+    "prettier/prettier": "error"
   }
 }

.github/CONTRIBUTING.md

@@ -15,13 +15,9 @@ request can then be merged!
 The next best way to report a bug is to provide a reduced test case on jsFiddle
 or jsBin or produce exact code inline in the issue which will reproduce the bug.
 
-Facebook has a [bounty program](https://www.facebook.com/whitehat/) for the safe
-disclosure of security bugs. In those cases, please go through the process
-outlined on that page and do not file a public issue.
-
 # Code of Conduct
 
-The code of conduct is described in [`CODE_OF_CONDUCT.md`](CODE_OF_CONDUCT.md)
+Immutable.js is maintained within the [Contributor Covenant's Code of Conduct](https://www.contributor-covenant.org/version/2/0/code_of_conduct/).
 
 # Pull Requests
 
@@ -37,17 +33,10 @@ your [pull requests](https://help.github.com/articles/creating-a-pull-request).
 
 ## Documentation
 
-Documentation for Immutable.js (hosted at http://facebook.github.io/immutable-js)
+Documentation for Immutable.js (hosted at http://immutable-js.github.io/immutable-js)
 is developed in `pages/`. Run `npm start` to get a local copy in your browser
 while making edits.
 
-## Contributor License Agreement ("CLA")
-
-In order to accept your pull request, we need you to submit a CLA. You only need
-to do this once to work on any of Facebook's open source projects.
-
-Complete your CLA here: <https://code.facebook.com/cla>
-
 ## Coding Style
 
 - 2 spaces for indentation (no tabs)
@@ -79,7 +68,6 @@ git checkout -b master upstream/master
 ```
 
 These commands build `dist` and commit `dist/immutable.js` to `master` so that the regression tests can run.
-
 ```bash
 npm run test
 git add dist/immutable.js -f
@@ -96,7 +84,7 @@ npm run perf
 Sample output:
 
 ```bash
-> [email protected] perf ~/github.com/facebook/immutable-js
+> [email protected] perf ~/github.com/immutable-js/immutable-js
 > node ./resources/bench.js
 
 List > builds from array of 2

.github/ISSUE_TEMPLATE.md

@@ -6,9 +6,9 @@
 
                                                   ---  Have a general question?  ---
 
-First check out the Docs: https://facebook.github.io/immutable-js/docs/
-And check out the Wiki: https://github.com/facebook/immutable-js/wiki/
-Search existing issues: https://github.com/facebook/immutable-js/search?type=Issues&q=question
+First check out the Docs: https://immutable-js.github.io/immutable-js/docs/
+And check out the Wiki: https://github.com/immutable-js/immutable-js/wiki/
+Search existing issues: https://github.com/immutable-js/immutable-js/search?type=Issues&q=question
 Ask on Stack Overflow!: https://stackoverflow.com/questions/tagged/immutable.js?sort=votes
 
  * Stack Overflow gets more attention
@@ -26,7 +26,7 @@ libraries over continuous additions. Here are some tips to get your feature adde
 
                                                              ---  Found a bug?  ---
 
-Search existing issues first: https://github.com/facebook/immutable-js/search?type=Issues&q=bug
+Search existing issues first: https://github.com/immutable-js/immutable-js/search?type=Issues&q=bug
 Please ensure you're using the latest version, and provide some information below.
 
 -->

.github/workflows/ci.yml

@@ -0,0 +1,126 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  lint:
+    name: 'Lint'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+      - uses: actions/cache@v3
+        with:
+          path: ~/.npm
+          key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: ${{ runner.OS }}-node-
+      - run: npm ci
+      - run: npm run lint
+      - run: npm run check-git-clean
+
+  type-check:
+    name: 'Type Check'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+      - uses: actions/cache@v3
+        with:
+          path: ~/.npm
+          key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: ${{ runner.OS }}-node-
+      - uses: actions/cache@v3
+        with:
+          path: ~/.dts
+          key: ${{ runner.OS }}-dts-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: ${{ runner.OS }}-dts-
+      - run: npm ci
+      - run: npm run type-check
+      - run: npm run check-git-clean
+
+  unit-test:
+    name: 'Build & Unit Test'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+      - uses: actions/cache@v3
+        with:
+          path: ~/.npm
+          key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: ${{ runner.OS }}-node-
+      - run: npm ci
+      - run: npm run build
+      - run: npm run unit-test
+      - run: npm run check-git-clean
+
+  website:
+    name: 'Build Website'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+      - uses: actions/cache@v3
+        with:
+          path: ~/.npm
+          key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: ${{ runner.OS }}-node-
+      - run: npm ci
+      - run: npm run website:build
+      - run: npm run check-git-clean
+
+  publish:
+    name: 'Publish'
+    needs: [lint, type-check, unit-test, website]
+    if: github.ref == 'refs/heads/main'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+      - uses: actions/cache@v3
+        with:
+          path: ~/.npm
+          key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: ${{ runner.OS }}-node-
+      - run: npm ci
+      - run: npm run build
+      - run: npm run website:build
+      - name: Push NPM Branch
+        if: github.ref == 'refs/heads/main'
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          enable_jekyll: true
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./npm
+          publish_branch: npm
+          user_name: 'github-actions[bot]'
+          user_email: 'github-actions[bot]@users.noreply.github.com'
+      - name: Publish Docs
+        if: github.ref == 'refs/heads/main'
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./website/out
+          cname: immutable-js.com
+          user_name: 'github-actions[bot]'
+          user_email: 'github-actions[bot]@users.noreply.github.com'

.github/workflows/release.yml

@@ -0,0 +1,27 @@
+name: Release
+
+on:
+  workflow_dispatch: ~
+  release:
+    types: [published]
+
+jobs:
+  build:
+    name: 'Build & Publish to NPM'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+          registry-url: 'https://registry.npmjs.org'
+      - uses: actions/cache@v3
+        with:
+          path: ~/.npm
+          key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: ${{ runner.OS }}-node-
+      - run: npm ci
+      - run: npm run build
+      - run: cd npm && npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.gitignore

@@ -8,8 +8,10 @@ yarn-error.log
 .idea
 *.iml
 TODO
-/pages/out
-/pages/generated
+/website/.next
+/website/out
+/website/public/sitemap.xml
+/website/public/robots.txt
 /gh-pages
 /npm
 /dist

.prettierignore

@@ -1,3 +1,5 @@
 dist
 pages/generated
 pages/out
+type-definitions/ts-tests/
+type-definitions/flow-tests/