Merge branch 'master' into gh-3285

CHANGELOG.md

@@ -1,5 +1,24 @@
 # Svelte changelog
 
+## 3.6.11
+
+* Handle reassigned RxJS observables ([#3304](https://github.com/sveltejs/svelte/issues/3304))
+* Remove commas from HTMLified attributes with multiple chunks ([#3341](https://github.com/sveltejs/svelte/issues/3341))
+* Prevent `class` on element with scoped styles from rendering as `undefined` ([#3283](https://github.com/sveltejs/svelte/issues/3283))
+* Allow references to index in key expression ([#3274](https://github.com/sveltejs/svelte/issues/3274))
+* Mark attribute selectors as used if corresponding binding exists ([#3281](https://github.com/sveltejs/svelte/issues/3281))
+* Preserve `async`/`*` when hoisting functions ([#3179](https://github.com/sveltejs/svelte/issues/3179))
+* Make `raf` a noop on server ([#3324](https://github.com/sveltejs/svelte/issues/3324))
+* Prevent erroneous a11y warning for image input with alt attribute ([#3331](https://github.com/sveltejs/svelte/issues/3331))
+* Add several well-known globals ([#3316](https://github.com/sveltejs/svelte/pull/3316))
+
+## 3.6.10
+
+* Use `change` event for file inputs ([#3226](https://github.com/sveltejs/svelte/issues/3226))
+* Always fire reactive declarations with `$$props` ([#3286](https://github.com/sveltejs/svelte/issues/3286))
+* More conservative spread prop updates ([#3289](https://github.com/sveltejs/svelte/issues/3289))
+* Quote props if necessary in SSR mode ([#3312](https://github.com/sveltejs/svelte/issues/3312))
+
 ## 3.6.9
 
 * Always update derived stores with a derived input whose value does not change ([#3191](https://github.com/sveltejs/svelte/issues/3191))

package-lock.json

@@ -1,13 +1,13 @@
 {
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@@ -192,9 +192,9 @@
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     },
     "pump": {
@@ -3303,9 +3307,9 @@
       "dev": true
     },
     "strip-json-comments": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.0.1.tgz",
+      "integrity": "sha512-VTyMAUfdm047mwKl+u79WIdrZxtFtn+nBxHeb844XBQ9uMNTuTHdx2hc5RiAJYqwTj3wc/xe5HLSdJSkJ+WfZw==",
       "dev": true
     },
     "sucrase": {
@@ -3336,13 +3340,13 @@
       "dev": true
     },
     "table": {
-      "version": "5.4.1",
-      "resolved": "https://registry.npmjs.org/table/-/table-5.4.1.tgz",
-      "integrity": "sha512-E6CK1/pZe2N75rGZQotFOdmzWQ1AILtgYbMAbAjvms0S1l5IDB47zG3nCnFGB/w+7nB3vKofbLXCH7HPBo864w==",
+      "version": "5.4.5",
+      "resolved": "https://registry.npmjs.org/table/-/table-5.4.5.tgz",
+      "integrity": "sha512-oGa2Hl7CQjfoaogtrOHEJroOcYILTx7BZWLGsJIlzoWmB2zmguhNfPJZsWPKYek/MgCxfco54gEi31d1uN2hFA==",
       "dev": true,
       "requires": {
-        "ajv": "^6.9.1",
-        "lodash": "^4.17.11",
+        "ajv": "^6.10.2",
+        "lodash": "^4.17.14",
         "slice-ansi": "^2.1.0",
         "string-width": "^3.0.0"
       }
@@ -3549,6 +3553,12 @@
       "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
       "dev": true
     },
+    "v8-compile-cache": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.0.3.tgz",
+      "integrity": "sha512-CNmdbwQMBjwr9Gsmohvm0pbL954tJrNzf6gWL3K+QMQf00PF7ERGrEiLgjuU3mKreLC2MeGhUsNV9ybTbLgd3w==",
+      "dev": true
+    },
     "v8-to-istanbul": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-3.2.3.tgz",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "svelte",
-  "version": "3.6.9",
+  "version": "3.6.11",
   "description": "Cybernetically enhanced web apps",
   "module": "index.mjs",
   "main": "index",
@@ -66,8 +66,8 @@
     "c8": "^5.0.1",
     "codecov": "^3.5.0",
     "css-tree": "1.0.0-alpha22",
-    "eslint": "^6.0.1",
-    "eslint-plugin-import": "^2.18.0",
+    "eslint": "^6.1.0",
+    "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-svelte3": "^2.6.0",
     "estree-walker": "^0.6.1",
     "is-reference": "^1.1.3",
@@ -75,7 +75,7 @@
     "kleur": "^3.0.3",
     "locate-character": "^2.0.5",
     "magic-string": "^0.25.3",
-    "mocha": "^6.1.4",
+    "mocha": "^6.2.0",
     "puppeteer": "^1.18.1",
     "rollup": "^1.16.6",
     "rollup-plugin-commonjs": "^10.0.1",

site/Makefile

@@ -19,4 +19,4 @@ docker:
 
 deploy: sapper docker
 	@echo "\n~> deploying $(SERVICE) to Cloud Run servers"
-	@gcloud beta run deploy $(SERVICE) --allow-unauthenticated --region us-central1 --image $(IMAGE) --memory=512Mi
+	@gcloud beta run deploy $(SERVICE) --allow-unauthenticated --platform managed --region us-central1 --image $(IMAGE) --memory=512Mi

site/content/docs/02-template-syntax.md

@@ -947,7 +947,7 @@ Unlike with `transition:`, transitions applied with `in:` and `out:` are not bid
 
 
 
-#### animate:
+#### animate:*fn*
 
 ```sv
 animate:name
@@ -982,7 +982,7 @@ DOMRect {
 
 ---
 
-An animation is triggered when the contents of a [keyed each block](docs#Each_blocks) are re-ordered. Animations do not run when an element is removed, only when the each block's data is reordered. Animate directives must be on an element that is an *immediate* child of a keyed each block.
+An animation is triggered when the contents of a [keyed each block](docs#each) are re-ordered. Animations do not run when an element is removed, only when the each block's data is reordered. Animate directives must be on an element that is an *immediate* child of a keyed each block.
 
 Animations can be used with Svelte's [built-in animation functions](docs#svelte_animate) or [custom animation functions](docs#Custom_animation_functions).
 

site/content/docs/03-run-time.md

@@ -156,6 +156,8 @@ Like lifecycle functions, this must be called during component initialisation.
 </script>
 ```
 
+> Context is not inherently reactive. If you need reactive values in context then you can pass a store into context, which *will* be reactive.
+
 #### `getContext`
 
 ```js
@@ -740,7 +742,23 @@ You can see a full example on the [animations tutorial](tutorial/animate)
 
 ### `svelte/easing`
 
-* TODO could have nice little interactive widgets showing the different functions, maybe
+Easing functions specificy the rate of change over time and are useful when working with Svelte's built-in transitions and animations as well as the tweened and spring utilities. `svelte/easing` contains 31 named exports, a `linear` ease and 3 variants of 10 different easing functions: `in`, `out` and `inOut`.
+
+You can explore the various eases using the [ease visualiser](examples#easing) in the [examples section](examples).
+
+
+| ease | in | out | inOut |
+| --- | --- | --- | --- |
+| **back** | `backIn` | `backOut` | `backInOut` |
+| **bounce** | `bounceIn` | `bounceOut` | `bounceInOut` |
+| **circ** | `circIn` | `circOut` | `circInOut` |
+| **cubic** | `cubicIn` | `cubicOut` | `cubicInOut` |
+| **elastic** | `elasticIn` | `elasticOut` | `elasticInOut` |
+| **expo** | `expoIn` | `expoOut` | `expoInOut` |
+| **quad** | `quadIn` | `quadOut` | `quadInOut` |
+| **quart** | `quartIn` | `quartOut` | `quartInOut` |
+| **quint** | `quintIn` | `quintOut` | `quintInOut` |
+| **sine** | `sineIn` | `sineOut` | `sineInOut` |
 
 
 ### `svelte/register`

site/content/examples/11-easing/00-easing/App.svelte

@@ -0,0 +1,106 @@
+<script>
+	import { interpolateString as interpolate } from 'd3-interpolate';
+	import { tweened } from 'svelte/motion';
+
+	import Grid from './Grid.svelte';
+	import Controls from './Controls.svelte';
+
+	import { eases, types } from './eases.js';
+
+	let current_type = 'In';
+	let current_ease = 'sine';
+	let duration = 2000;
+	let current = eases.get(current_ease)[current_type];
+	let playing = false;
+	let width;
+
+	const ease_path = tweened(current.shape, { interpolate });
+	const time = tweened(0);
+	const value = tweened(1000);
+
+	async function runAnimations() {
+		playing = true;
+
+		value.set(1000, {duration: 0});
+		time.set(0, {duration: 0});
+
+		await ease_path.set(current.shape);
+		await Promise.all([
+			time.set(1000, {duration, easing: x => x}),
+			value.set(0, {duration, easing: current.fn})
+		]);
+
+		playing = false;
+	}
+
+	$: current = eases.get(current_ease)[current_type];
+	$: current && runAnimations();
+</script>
+
+<style>
+	.easing-vis {
+		display: flex;
+		max-height: 95%;
+		max-width: 800px;
+		margin: auto;
+		padding: 10px;
+		border: 1px solid #333;
+		border-radius: 2px;
+		padding: 20px;
+	}
+
+	svg {
+		width: 100%;
+		margin: 0 20px 0 0;
+	}
+
+	.graph {
+		transform: translate(200px,400px)
+	}
+
+	@media (max-width:600px) {
+		.easing-vis {
+			flex-direction: column;
+			max-height: calc(100% - 3rem);
+		}
+	}
+</style>
+
+<div bind:offsetWidth={width} class="easing-vis">
+	<svg viewBox="0 0 1400 1802">
+		<g class="canvas">
+			<Grid x={$time} y={$value}/>
+			<g class="graph">
+				<path
+					d={$ease_path}
+					stroke="#333"
+					stroke-width="2"
+					fill="none"
+				/>
+
+				<path d="M0,23.647C0,22.41 27.014,0.407 28.496,0.025C29.978,-0.357 69.188,3.744 70.104,4.744C71.02,5.745 71.02,41.499 70.104,42.5C69.188,43.501 29.978,47.601 28.496,47.219C27.014,46.837 0,24.884 0,23.647Z"
+					fill="#ff3e00"
+					style="transform: translate(1060px, {($value - 24)}px)"
+				/>
+
+				<circle
+					cx="{$time}"
+					cy="{$value}"
+					r="15"
+					fill="#ff3e00"
+				/>
+			</g>
+		</g>
+	</svg>
+
+	<Controls
+		{eases}
+		{types}
+		{playing}
+		{width}
+		bind:duration
+		bind:current_ease
+		bind:current_type
+		on:play={runAnimations}
+	/>
+</div>

site/content/examples/11-easing/00-easing/Controls.svelte

@@ -0,0 +1,186 @@
+<script>
+	import { createEventDispatcher } from 'svelte';
+
+	export let current_ease;
+	export let current_type;
+	export let eases;
+	export let types;
+	export let duration;
+	export let playing;
+	export let width;
+
+	const dispatch = createEventDispatcher();
+
+	$: mobile = width && width < 600;
+</script>
+
+<style>
+	.easing-sidebar {
+		width: 11em;
+	}
+
+	ul {
+		list-style: none;
+		padding: 0;
+		display: flex;
+		flex-direction: column;
+		align-items: flex-start;
+		font-size: 18px;
+	}
+
+	li {
+		padding: 5px 10px;
+		background: #eee;
+		border-radius: 2px;
+		margin: 3px 0;
+		cursor:pointer;
+	}
+
+	li:hover {
+		background: #676778;
+		color: white;
+	}
+
+	.selected {
+		background: #ff3e00;
+		color: white;
+	}
+
+	h3 {
+		margin: 0 10px 0 0;
+	}
+
+	h4 {
+		margin-bottom: 0;
+	}
+
+	select {
+		display: inline;
+		padding: 0.2em;
+		margin: 0;
+	}
+
+	.duration {
+		width: 100%;
+		display: flex;
+		align-items: center;
+		flex-wrap: wrap;
+	}
+
+	.duration span {
+		display: flex;
+	}
+
+	.duration input {
+		width: 80px;
+		margin: 10px 10px 10px 0 ;
+	}
+
+	.duration button {
+		margin: 10px 5px;
+	}
+
+	.duration .number {
+		width: 30px;
+	}
+
+	.duration .play {
+		margin: 0 5px 0 auto;
+		width: 100%;
+	}
+
+	@media (max-width:600px) {
+		.easing-types {
+			display: flex;
+			align-items: center;
+			margin-top: 10px;
+		}
+
+		.easing-sidebar {
+			width: 100%;
+		}
+
+		.duration .play {
+			margin-left: auto;
+			width: unset;
+		}
+
+		h3 {
+			font-size: 0.9em;
+			display: inline;
+		}
+
+		h3:nth-of-type(2) {
+			margin-left: auto;
+		}
+
+		ul li {
+			margin-right: 10px;
+		}
+	}
+</style>
+
+<div class="easing-sidebar">
+		<div class="easing-types">
+			<h3>Ease</h3>
+			{#if mobile}
+				<select bind:value={current_ease}>
+					{#each [...eases] as [name]}
+						<option
+							value={name}
+							class:selected={name === current_ease}
+						>
+							{name}
+						</option>
+					{/each}
+				</select>
+			{:else}
+				<ul>
+					{#each [...eases] as [name]}
+						<li
+							class:selected={name === current_ease}
+							on:click={() => current_ease = name}
+						>
+							{name}
+						</li>
+					{/each}
+				</ul>
+			{/if}
+			<h3>Type</h3>
+			{#if mobile }
+				<select bind:value={current_type}>
+					{#each types as [name, type]}
+						<option
+							value={type}
+						>
+							{name}
+						</option>
+					{/each}
+				</select>
+			{:else}
+				<ul>
+					{#each types as [name, type]}
+						<li
+							class:selected={type === current_type}
+							on:click={() => current_type = type}
+						>
+							{name}
+					</li>
+					{/each}
+				</ul>
+			{/if}
+		</div>
+		<h4>
+			Duration
+		</h4>
+		<div class="duration">
+			<span>
+				<input type="number" bind:value={duration} min="0" step="100"/>
+				<button class="number" on:click={() => duration -= 100}>-</button>
+				<button class="number" on:click={() => duration += 100}>+</button>
+			</span>
+			<button class="play" on:click={() => dispatch('play')}>
+				{playing ? 'Restart' : 'Play'}
+			</button>
+		</div>
+	</div>

site/content/examples/11-easing/00-easing/Grid.svelte

@@ -0,0 +1,62 @@
+<script>
+	export let x, y;
+</script>
+
+<style>
+	.grid-line {
+		stroke:#ccc;
+		opacity: 0.5;
+		stroke-width: 2;
+	}
+
+	.grid-line-xy {
+		stroke: tomato;
+		stroke-width: 2;
+	}
+</style>
+
+<svelte:options namespace="svg" />
+
+<rect
+	x=0
+	y=0
+	width=1400
+	height=1800
+	stroke=#ccc
+	style="opacity: 0.5"
+	fill=none
+	stroke-width=2
+/>
+
+{#each { length: 8 } as _, i}
+	{#if i < 6}
+		<path
+			d="M{(i+1) * 200} 0 L{(i+1)*200} 1802"
+			class="grid-line"
+		/>
+	{/if}
+	<path
+		d="M0 {(i+1) * 200} L1400 {(i+1)*200} "
+		class="grid-line"
+	/>
+{/each}
+
+<path
+	style="transform: translateX({x+200}px)"
+	d="M0 0 L0 1800"
+	class="grid-line-xy"
+/>
+<path
+	style="transform: translateY({y}px)"
+	d="M0 400 L1400 400"
+	class="grid-line-xy"
+/>
+<rect
+	x=200
+	y=400
+	width=1000
+	height=1000
+	stroke=#999
+	fill=none
+	stroke-width=2
+/>

site/content/examples/11-easing/00-easing/eases.js

@@ -0,0 +1,43 @@
+import * as eases from 'svelte/easing';
+
+const processed_eases = {};
+
+for (const ease in eases) {
+	if (ease === "linear") {
+		processed_eases.linear = eases.linear;
+	} else {
+		const name = ease.replace(/In$|InOut$|Out$/, '');
+		const type = ease.match(/In$|InOut$|Out$/)[0];
+
+		if (!(name in processed_eases)) processed_eases[name] = {};
+		processed_eases[name][type] = {};
+		processed_eases[name][type].fn = eases[ease];
+
+		let shape = 'M0 1000';
+		for (let i = 1; i <= 1000; i++) {
+			shape = `${shape} L${(i / 1000) * 1000} ${1000 - eases[ease](i / 1000) * 1000} `;
+			processed_eases[name][type].shape = shape;
+		}
+	}
+}
+
+const sorted_eases = new Map([
+	['sine', processed_eases.sine],
+	['quad', processed_eases.quad],
+	['cubic', processed_eases.cubic],
+	['quart', processed_eases.quart],
+	['quint', processed_eases.quint],
+	['expo', processed_eases.expo],
+	['circ', processed_eases.circ],
+	['back', processed_eases.back],
+	['elastic', processed_eases.elastic],
+	['bounce', processed_eases.bounce],
+]);
+
+export const types = [
+	['Ease In', 'In'],
+	['Ease Out', 'Out'],
+	['Ease In Out', 'InOut']
+];
+
+export { sorted_eases as eases };

site/content/examples/11-easing/00-easing/meta.json

@@ -0,0 +1,3 @@
+{
+	"title": "Ease Visualiser"
+}

site/content/examples/11-easing/meta.json

@@ -0,0 +1,3 @@
+{
+	"title": "Easing"
+}