From a3a2414f0ea91c26276728fc7f9d837f81828075 Mon Sep 17 00:00:00 2001
From: Renaud Chaput <renchap@gmail.com>
Date: Tue, 9 May 2023 14:55:35 +0200
Subject: [PATCH] Rework polyfills loading (#24907)

---
 .../base_polyfills.ts}                        | 22 ++----
 .../extra_polyfills.ts}                       |  0
 .../{load_polyfills.js => polyfills/index.ts} | 16 ++---
 app/javascript/packs/application.js           |  2 +-
 app/javascript/packs/public.jsx               |  6 +-
 app/javascript/packs/share.jsx                |  2 +-
 package.json                                  |  5 +-
 tsconfig.json                                 |  1 +
 yarn.lock                                     | 70 ++-----------------
 9 files changed, 25 insertions(+), 99 deletions(-)
 rename app/javascript/mastodon/{base_polyfills.js => polyfills/base_polyfills.ts} (58%)
 rename app/javascript/mastodon/{extra_polyfills.js => polyfills/extra_polyfills.ts} (100%)
 rename app/javascript/mastodon/{load_polyfills.js => polyfills/index.ts} (82%)

diff --git a/app/javascript/mastodon/base_polyfills.js b/app/javascript/mastodon/polyfills/base_polyfills.ts
similarity index 58%
rename from app/javascript/mastodon/base_polyfills.js
rename to app/javascript/mastodon/polyfills/base_polyfills.ts
index 91bc5d6dc8b..2e583f580dd 100644
--- a/app/javascript/mastodon/base_polyfills.js
+++ b/app/javascript/mastodon/polyfills/base_polyfills.ts
@@ -1,26 +1,16 @@
 import 'intl';
 import 'intl/locale-data/jsonp/en';
-import 'es6-symbol/implement';
-import assign from 'object-assign';
-import values from 'object.values';
-import { decode as decodeBase64 } from './utils/base64';
-import promiseFinally from 'promise.prototype.finally';
-
-if (!Object.assign) {
-  Object.assign = assign;
-}
-
-if (!Object.values) {
-  values.shim();
-}
-
-promiseFinally.shim();
+import 'core-js/features/object/assign';
+import 'core-js/features/object/values';
+import 'core-js/features/symbol';
+import 'core-js/features/promise/finally';
+import { decode as decodeBase64 } from '../utils/base64';
 
 if (!HTMLCanvasElement.prototype.toBlob) {
   const BASE64_MARKER = ';base64,';
 
   Object.defineProperty(HTMLCanvasElement.prototype, 'toBlob', {
-    value(callback, type = 'image/png', quality) {
+    value(callback: BlobCallback, type = 'image/png', quality: any)  {
       const dataURL = this.toDataURL(type, quality);
       let data;
 
diff --git a/app/javascript/mastodon/extra_polyfills.js b/app/javascript/mastodon/polyfills/extra_polyfills.ts
similarity index 100%
rename from app/javascript/mastodon/extra_polyfills.js
rename to app/javascript/mastodon/polyfills/extra_polyfills.ts
diff --git a/app/javascript/mastodon/load_polyfills.js b/app/javascript/mastodon/polyfills/index.ts
similarity index 82%
rename from app/javascript/mastodon/load_polyfills.js
rename to app/javascript/mastodon/polyfills/index.ts
index 7909dc4ea30..6d2e5426e48 100644
--- a/app/javascript/mastodon/load_polyfills.js
+++ b/app/javascript/mastodon/polyfills/index.ts
@@ -10,14 +10,14 @@ function importExtraPolyfills() {
   return import(/* webpackChunkName: "extra_polyfills" */ './extra_polyfills');
 }
 
-function loadPolyfills() {
+export function loadPolyfills() {
   const needsBasePolyfills = !(
-    HTMLCanvasElement.prototype.toBlob &&
-    window.Intl &&
-    Object.assign &&
-    Object.values &&
-    window.Symbol &&
-    Promise.prototype.finally
+    'toBlob' in HTMLCanvasElement.prototype &&
+    'Intl' in window &&
+    'assign' in Object &&
+    'values' in Object &&
+    'Symbol' in window &&
+    'finally' in Promise.prototype
   );
 
   // Latest version of Firefox and Safari do not have IntersectionObserver.
@@ -36,5 +36,3 @@ function loadPolyfills() {
     needsExtraPolyfills && importExtraPolyfills(),
   ]);
 }
-
-export default loadPolyfills;
diff --git a/app/javascript/packs/application.js b/app/javascript/packs/application.js
index 020f2b4a0ed..ab87083659e 100644
--- a/app/javascript/packs/application.js
+++ b/app/javascript/packs/application.js
@@ -1,5 +1,5 @@
 import './public-path';
-import loadPolyfills from '../mastodon/load_polyfills';
+import { loadPolyfills } from '../mastodon/polyfills';
 import { start } from '../mastodon/common';
 
 start();
diff --git a/app/javascript/packs/public.jsx b/app/javascript/packs/public.jsx
index 21c52fc12a9..3c6fd36300b 100644
--- a/app/javascript/packs/public.jsx
+++ b/app/javascript/packs/public.jsx
@@ -1,9 +1,9 @@
 import './public-path';
-import loadPolyfills from '../mastodon/load_polyfills';
+import escapeTextContentForBrowser from 'escape-html';
+import { loadPolyfills } from '../mastodon/polyfills';
+import ready from '../mastodon/ready';
 import { start } from '../mastodon/common';
 
-import escapeTextContentForBrowser from 'escape-html';
-import ready from '../mastodon/ready';
 import loadKeyboardExtensions from '../mastodon/load_keyboard_extensions';
 import 'cocoon-js-vanilla';
 import axios from 'axios';
diff --git a/app/javascript/packs/share.jsx b/app/javascript/packs/share.jsx
index 97c3c7b0e55..542a2f3ae8c 100644
--- a/app/javascript/packs/share.jsx
+++ b/app/javascript/packs/share.jsx
@@ -1,5 +1,5 @@
 import './public-path';
-import loadPolyfills from '../mastodon/load_polyfills';
+import { loadPolyfills } from '../mastodon/polyfills';
 import { start } from '../mastodon/common';
 import ready from '../mastodon/ready';
 import ComposeContainer  from '../mastodon/containers/compose_container';
diff --git a/package.json b/package.json
index b56b79d9fa2..8ca77272259 100644
--- a/package.json
+++ b/package.json
@@ -52,13 +52,13 @@
     "cocoon-js-vanilla": "^1.3.0",
     "color-blend": "^4.0.0",
     "compression-webpack-plugin": "^6.1.1",
+    "core-js": "^3.30.2",
     "cross-env": "^7.0.3",
     "css-loader": "^5.2.7",
     "cssnano": "^6.0.1",
     "detect-passive-events": "^2.0.3",
     "dotenv": "^16.0.3",
     "emoji-mart": "npm:emoji-mart-lazyload@latest",
-    "es6-symbol": "^3.1.3",
     "escape-html": "^1.0.3",
     "express": "^4.18.2",
     "file-loader": "^6.2.0",
@@ -80,14 +80,11 @@
     "mini-css-extract-plugin": "^1.6.2",
     "mkdirp": "^2.1.6",
     "npmlog": "^7.0.1",
-    "object-assign": "^4.1.1",
-    "object.values": "^1.1.6",
     "path-complete-extname": "^1.0.0",
     "pg": "^8.5.0",
     "pg-connection-string": "^2.5.0",
     "postcss": "^8.4.23",
     "postcss-loader": "^4.3.0",
-    "promise.prototype.finally": "^3.1.4",
     "prop-types": "^15.8.1",
     "punycode": "^2.3.0",
     "react": "^16.14.0",
diff --git a/tsconfig.json b/tsconfig.json
index 09cea2a75f7..2c2193d55fd 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,6 +2,7 @@
   "compilerOptions": {
     "jsx": "react",
     "target": "esnext",
+    "module": "CommonJS",
     "moduleResolution": "node",
     "allowJs": true,
     "noEmit": true,
diff --git a/yarn.lock b/yarn.lock
index be8ef990fd4..380fc480a78 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4135,6 +4135,11 @@ core-js@^2.5.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
   integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
 
+core-js@^3.30.2:
+  version "3.30.2"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.30.2.tgz#6528abfda65e5ad728143ea23f7a14f0dcf503fc"
+  integrity sha512-uBJiDmwqsbJCWHAwjrx3cvjbMXP7xD72Dmsn5LOJpiRmE3WbBbN5rCqQ2Qh6Ek6/eOrjlWngEynBWo4VxerQhg==
+
 core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -4409,14 +4414,6 @@ csstype@^3.0.2:
   resolved "https://registry.yarnpkg.com/csstype/-/csstype-3.0.6.tgz#865d0b5833d7d8d40f4e5b8a6d76aea3de4725ef"
   integrity sha512-+ZAmfyWMT7TiIlzdqJgjMb7S4f1beorDbWbsocyK4RaiqA5RTX3K14bnBWmmA9QEM0gRdsjyyrEmcyga8Zsxmw==
 
-d@1, d@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/d/-/d-1.0.1.tgz#8698095372d58dbee346ffd0c7093f99f8f9eb5a"
-  integrity sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==
-  dependencies:
-    es5-ext "^0.10.50"
-    type "^1.0.1"
-
 damerau-levenshtein@^1.0.8:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/damerau-levenshtein/-/damerau-levenshtein-1.0.8.tgz#b43d286ccbd36bc5b2f7ed41caf2d0aba1f8a6e7"
@@ -4967,32 +4964,6 @@ es-to-primitive@^1.2.1:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
-es5-ext@^0.10.35, es5-ext@^0.10.50:
-  version "0.10.53"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.53.tgz#93c5a3acfdbef275220ad72644ad02ee18368de1"
-  integrity sha512-Xs2Stw6NiNHWypzRTY1MtaG/uJlwCk8kH81920ma8mvN8Xq1gsfhZvpkImLQArw8AHnv8MT2I45J3c0R8slE+Q==
-  dependencies:
-    es6-iterator "~2.0.3"
-    es6-symbol "~3.1.3"
-    next-tick "~1.0.0"
-
-es6-iterator@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
-  integrity sha1-p96IkUGgWpSwhUQDstCg+/qY87c=
-  dependencies:
-    d "1"
-    es5-ext "^0.10.35"
-    es6-symbol "^3.1.1"
-
-es6-symbol@^3.1.1, es6-symbol@^3.1.3, es6-symbol@~3.1.3:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.3.tgz#bad5d3c1bcdac28269f4cb331e431c78ac705d18"
-  integrity sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==
-  dependencies:
-    d "^1.0.1"
-    ext "^1.1.2"
-
 escalade@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
@@ -5425,13 +5396,6 @@ express@^4.17.1, express@^4.18.2:
     utils-merge "1.0.1"
     vary "~1.1.2"
 
-ext@^1.1.2:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/ext/-/ext-1.4.0.tgz#89ae7a07158f79d35517882904324077e4379244"
-  integrity sha512-Key5NIsUxdqKg3vIsdw9dSuXpPCQ297y6wBjL30edxwPgt2E44WcWBZey/ZvUc6sERLTxKdyCu4gZFmUbk1Q7A==
-  dependencies:
-    type "^2.0.0"
-
 extend-shallow@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
@@ -8234,11 +8198,6 @@ neo-async@^2.5.0, neo-async@^2.6.1, neo-async@^2.6.2:
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
   integrity sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==
 
-next-tick@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
-  integrity sha1-yobR/ogoFpsBICCOPchCS524NCw=
-
 nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
@@ -9284,15 +9243,6 @@ promise-inflight@^1.0.1:
   resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
   integrity sha1-mEcocL8igTL8vdhoEputEsPAKeM=
 
-promise.prototype.finally@^3.1.4:
-  version "3.1.4"
-  resolved "https://registry.yarnpkg.com/promise.prototype.finally/-/promise.prototype.finally-3.1.4.tgz#4e756a154e4db27fae24c6b18703495c31da3927"
-  integrity sha512-nNc3YbgMfLzqtqvO/q5DP6RR0SiHI9pUPGzyDf1q+usTwCN2kjvAnJkBb7bHe3o+fFSBPpsGMoYtaSi+LTNqng==
-  dependencies:
-    call-bind "^1.0.2"
-    define-properties "^1.1.4"
-    es-abstract "^1.20.4"
-
 prompts@^2.0.1:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/prompts/-/prompts-2.3.2.tgz#480572d89ecf39566d2bd3fe2c9fccb7c4c0b068"
@@ -11426,16 +11376,6 @@ type-is@~1.6.18:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
-type@^1.0.1:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/type/-/type-1.2.0.tgz#848dd7698dafa3e54a6c479e759c4bc3f18847a0"
-  integrity sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg==
-
-type@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/type/-/type-2.0.0.tgz#5f16ff6ef2eb44f260494dae271033b29c09a9c3"
-  integrity sha512-KBt58xCHry4Cejnc2ISQAF7QY+ORngsWfxezO68+12hKV6lQY8P/psIkcbjeHWn7MqcgciWJyCCevFMJdIXpow==
-
 "typescript@^4.7 || 5", typescript@^5.0.4:
   version "5.0.4"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.0.4.tgz#b217fd20119bd61a94d4011274e0ab369058da3b"