Merge branch 'master' into feature/custom-element-destroy

* master: (67 commits)
  add updating guard to binding callback (sveltejs#5126)
  Bump lodash from 4.17.15 to 4.17.19 (sveltejs#5152)
  Bump lodash from 4.17.15 to 4.17.19 in /site (sveltejs#5155)
  Fixes sveltejs#5153 (sveltejs#5154)
  invalidate $$props and $$restProps only when there are changes (sveltejs#5123)
  site: use https in link in blog (sveltejs#5148)
  Simplify each block bindings example (sveltejs#5094)
  fix $$props reactive for slots (sveltejs#5125)
  site: add FAQ entry for how to document a svelte component (sveltejs#5131)
  site: remove an obsolete TODO in blog post (sveltejs#5135)
  Increase timeout for unit build
  Increase timeout for unit tests
  -> v3.24.0
  spread condition for input element (sveltejs#5004)
  update changelog
  fix(5018): compare wholeText instead of data (sveltejs#5028)
  html anchor in head (sveltejs#5071)
  error on expression scope store (sveltejs#5079)
  update changelog
  preprocess self-closing script and style tags (sveltejs#5082)
  ...

.eslintignore

@@ -2,7 +2,6 @@
 **/expected.js
 _output
 test/*/samples/*/output.js
-node_modules
 
 # automatically generated
 internal_exports.ts

.eslintrc.js

@@ -1,65 +1,6 @@
 module.exports = {
 	root: true,
-	rules: {
-		indent: 'off',
-		'no-unused-vars': 'off',
-		semi: [2, 'always'],
-		'keyword-spacing': [2, { before: true, after: true }],
-		'space-before-blocks': [2, 'always'],
-		'no-mixed-spaces-and-tabs': [2, 'smart-tabs'],
-		'no-cond-assign': 0,
-		'object-shorthand': [2, 'always'],
-		'no-const-assign': 2,
-		'no-class-assign': 2,
-		'no-this-before-super': 2,
-		'no-var': 2,
-		'no-unreachable': 2,
-		'valid-typeof': 2,
-		'quote-props': [2, 'as-needed'],
-		'one-var': [2, 'never'],
-		'prefer-arrow-callback': 2,
-		'prefer-const': [2, { destructuring: 'all' }],
-		'arrow-spacing': 2,
-		'no-inner-declarations': 0,
-		'require-atomic-updates': 'off',
-		'@typescript-eslint/indent': 'off',
-		'@typescript-eslint/camelcase': 'off',
-		'@typescript-eslint/no-use-before-define': 'off',
-		'@typescript-eslint/array-type': ['error', 'array-simple'],
-		'@typescript-eslint/explicit-function-return-type': 'off',
-		'@typescript-eslint/no-explicit-any': 'off',
-		'@typescript-eslint/explicit-member-accessibility': 'off',
-		'@typescript-eslint/no-unused-vars': [
-			'error',
-			{
-				argsIgnorePattern: '^_'
-			}
-		],
-		'@typescript-eslint/no-object-literal-type-assertion': 'off',
-		'@typescript-eslint/no-unused-vars': 'off',
-		'@typescript-eslint/prefer-interface': 'off'
-	},
-	globals: {
-		globalThis: false
-	},
-	env: {
-		es6: true,
-		browser: true,
-		node: true,
-		mocha: true
-	},
-	extends: [
-		'eslint:recommended',
-		'plugin:import/errors',
-		'plugin:import/warnings',
-		'plugin:import/typescript',
-		'plugin:@typescript-eslint/recommended'
-	],
-	parserOptions: {
-		ecmaVersion: 9,
-		sourceType: 'module'
-	},
-	plugins: ['svelte3'],
+	extends: '@sveltejs',
 	settings: {
 		'import/core-modules': [
 			'svelte',
@@ -69,20 +10,5 @@ module.exports = {
 			'estree'
 		],
 		'svelte3/compiler': require('./compiler')
-	},
-	overrides: [
-		{
-			files: ['*.js'],
-			rules: {
-				'@typescript-eslint/no-var-requires': 'off'
-			}
-		},
-		{
-			files: ['*.svelte'],
-			processor: 'svelte3/svelte3',
-			rules: {
-				'@typescript-eslint/indent': 'off'
-			}
-		}
-	]
+	}
 };

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,8 +1,8 @@
 
 
 ### Before submitting the PR, please make sure you do the following
-- [ ] It's really useful if your PR relates to an outstanding issue, so please reference it in your PR, or create an explanatory one for discussion. In many cases features are absent for a reason.
+- [ ] It's really useful if your PR relates to an outstanding issue, so please reference it in your PR, or create an explanatory one for discussion. In many cases, features are absent for a reason.
 - [ ] This message body should clearly illustrate what problems it solves. If there are related issues, remember to reference them.
 - [ ] Ideally, include a test that fails without this PR but passes with it. PRs will only be merged once they pass CI. (Remember to `npm run lint`!)
 ### Tests
--  [ ] Run the tests tests with `npm test` or `yarn test`)
+-  [ ] Run the tests with `npm test` or `yarn test`)

.github/workflows/ci.yml

@@ -3,6 +3,7 @@ on: [push, pull_request]
 jobs:
   Tests:
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 10
     strategy:
       matrix:
         node-version: [8, 10, 12, 14]
@@ -18,12 +19,14 @@ jobs:
         CI: true
   Lint:
     runs-on: ubuntu-latest
+    timeout-minutes: 2
     steps:
     - uses: actions/checkout@v1
     - uses: actions/setup-node@v1
     - run: 'npm i && npm run lint'
   Unit:
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 5
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]

CHANGELOG.md

@@ -1,5 +1,44 @@
 # Svelte changelog
 
+## Unreleased
+
+* Prevent duplicate invalidation with certain two-way component bindings ([#3180](https://github.com/sveltejs/svelte/issues/3180), [#5117](https://github.com/sveltejs/svelte/issues/5117), [#5144](https://github.com/sveltejs/svelte/issues/5144))
+* Fix reactivity when passing `$$props` to a `<slot>` ([#3364](https://github.com/sveltejs/svelte/issues/3364))
+* Fix unneeded invalidation of `$$props` and `$$restProps` ([#4993](https://github.com/sveltejs/svelte/issues/4993), [#5118](https://github.com/sveltejs/svelte/issues/5118))
+
+## 3.24.0
+
+* Support nullish coalescing (`??`) and optional chaining (`?.`) operators ([#1972](https://github.com/sveltejs/svelte/issues/1972))
+* Support `import.meta` ([#4379](https://github.com/sveltejs/svelte/issues/4379))
+* Fix only setting `<input>` values when they're changed when there are spread attributes ([#4418](https://github.com/sveltejs/svelte/issues/4418))
+* Fix placement of `{@html}` when used at the root of a slot, at the root of a component, or in `<svelte:head>` ([#5012](https://github.com/sveltejs/svelte/issues/5012), [#5071](https://github.com/sveltejs/svelte/pull/5071))
+* Fix certain handling of two-way bound `contenteditable` elements ([#5018](https://github.com/sveltejs/svelte/issues/5018))
+* Fix handling of `import`ed value that is used as a store and is also mutated ([#5019](https://github.com/sveltejs/svelte/issues/5019))
+* Do not display `a11y-missing-content` warning on elements with `contenteditable` bindings ([#5020](https://github.com/sveltejs/svelte/issues/5020))
+* Fix handling of `this` in inline function expressions in the template ([#5033](https://github.com/sveltejs/svelte/issues/5033))
+* Fix collapsing HTML with static content ([#5040](https://github.com/sveltejs/svelte/issues/5040))
+* Prevent use of `$store` at compile time when top-level `store` has been shadowed ([#5048](https://github.com/sveltejs/svelte/issues/5048))
+* Update `<select>` with one-way `value` binding when the available `<option>`s change ([#5051](https://github.com/sveltejs/svelte/issues/5051))
+* Fix published `tweened` types so the `.set()` and `.update()` options are optional ([#5062](https://github.com/sveltejs/svelte/issues/5062))
+* Fix contextual `bind:this` inside `{#each}` block ([#5067](https://github.com/sveltejs/svelte/issues/5067))
+* Preprocess self-closing `<script>` and `<style>` tags ([#5080](https://github.com/sveltejs/svelte/issues/5080))
+* Fix types for animation- and transition-related param objects so each param is optional ([#5083](https://github.com/sveltejs/svelte/pull/5083))
+
+## 3.23.2
+
+* Fix `bind:group` inside `{#each}` ([#3243](https://github.com/sveltejs/svelte/issues/3243))
+* Don't crash when using an arrow function as a statement ([#4617](https://github.com/sveltejs/svelte/issues/4617))
+* Deconflict `bind:this` variable ([#4636](https://github.com/sveltejs/svelte/issues/4636))
+
+## 3.23.1
+
+* Fix checkbox `bind:group` when multiple options have the same value ([#4397](https://github.com/sveltejs/svelte/issues/4397))
+* Fix `bind:this` to the value of an `{#each}` block ([#4517](https://github.com/sveltejs/svelte/issues/4517))
+* Fix reactivity when assigning to contextual `{#each}` variable ([#4574](https://github.com/sveltejs/svelte/issues/4574), [#4744](https://github.com/sveltejs/svelte/issues/4744))
+* Fix binding to contextual `{#each}` values that shadow outer names ([#4757](https://github.com/sveltejs/svelte/issues/4757))
+* Work around EdgeHTML DOM issue when removing attributes during hydration ([#4911](https://github.com/sveltejs/svelte/pull/4911))
+* Throw CSS parser error when `:global()` does not contain a selector ([#4930](https://github.com/sveltejs/svelte/issues/4930))
+
 ## 3.23.0
 
 * Update `<select>` with `bind:value` when the available `<option>`s change ([#1764](https://github.com/sveltejs/svelte/issues/1764))

README.md

@@ -64,13 +64,7 @@ npm run test -- -g transition
 
 ## svelte.dev
 
-The source code for https://svelte.dev, including all the documentation, lives in the [site](site) directory. The site is built with [Sapper](https://sapper.svelte.dev). To develop locally:
-
-```bash
-cd site
-npm install && npm run update
-npm run dev
-```
+The source code for https://svelte.dev, including all the documentation, lives in the [site](site) directory. The site is built with [Sapper](https://sapper.svelte.dev).
 
 ### Is svelte.dev down?