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[FEATURE strict-mode] Update VM for Strict Mode
Updates the Glimmer VM to the latest version, which includes strict mode. Strict mode is currently guarded behind a canary flag, but for the most part only involves changes to the VM. The biggest changes are to the template compiler's `compile` function, which has to change in order to still be functional as scope values must be provided in some way, and the resolver, which needs to provide keyword built-ins now in strict templates. Release notes for the VM: https://github.com/glimmerjs/glimmer-vm/releases/tag/v0.69.0
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Chris Garrett
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Dec 10, 2020
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packages/@ember/-internals/glimmer/tests/integration/components/strict-mode-test.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| import { | ||
| moduleFor, | ||
| RenderingTestCase, | ||
| defineComponent, | ||
| defineSimpleHelper, | ||
| defineSimpleModifier, | ||
| } from 'internal-test-helpers'; | ||
| import { EMBER_STRICT_MODE } from '@ember/canary-features'; | ||
|
|
||
| if (EMBER_STRICT_MODE) { | ||
| moduleFor( | ||
| 'Strict Mode', | ||
| class extends RenderingTestCase { | ||
| '@test Can use a component in scope'() { | ||
| let Foo = defineComponent({}, 'Hello, world!'); | ||
| let Bar = defineComponent({ Foo }, '<Foo/>'); | ||
|
|
||
| this.registerComponent('bar', { ComponentClass: Bar }); | ||
|
|
||
| this.render('<Bar/>'); | ||
| this.assertHTML('Hello, world!'); | ||
| this.assertStableRerender(); | ||
| } | ||
|
|
||
| '@test Can use a custom helper in scope (in append position)'() { | ||
| let foo = defineSimpleHelper(() => 'Hello, world!'); | ||
| let Bar = defineComponent({ foo }, '{{foo}}'); | ||
|
|
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| this.registerComponent('bar', { ComponentClass: Bar }); | ||
|
|
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| this.render('<Bar/>'); | ||
| this.assertHTML('Hello, world!'); | ||
| this.assertStableRerender(); | ||
| } | ||
|
|
||
| '@test Can use a custom modifier in scope'() { | ||
| let foo = defineSimpleModifier((element) => (element.innerHTML = 'Hello, world!')); | ||
| let Bar = defineComponent({ foo }, '<div {{foo}}></div>'); | ||
|
|
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| this.registerComponent('bar', { ComponentClass: Bar }); | ||
|
|
||
| this.render('<Bar/>'); | ||
| this.assertHTML('<div>Hello, world!</div>'); | ||
| this.assertStableRerender(); | ||
| } | ||
|
|
||
| '@test Can shadow keywords'() { | ||
| let ifComponent = defineComponent({}, 'Hello, world!'); | ||
| let Bar = defineComponent({ if: ifComponent }, '{{#if}}{{/if}}'); | ||
|
|
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| this.registerComponent('bar', { ComponentClass: Bar }); | ||
|
|
||
| this.render('<Bar/>'); | ||
| this.assertHTML('Hello, world!'); | ||
| this.assertStableRerender(); | ||
| } | ||
|
|
||
| '@test Can use constant values in ambiguous helper/component position'() { | ||
| let value = 'Hello, world!'; | ||
|
|
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| let Foo = defineComponent({ value }, '{{value}}'); | ||
|
|
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| this.registerComponent('foo', { ComponentClass: Foo }); | ||
|
|
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| this.render('<Foo/>'); | ||
| this.assertHTML('Hello, world!'); | ||
| this.assertStableRerender(); | ||
| } | ||
|
|
||
| '@test Can use inline if and unless in strict mode templates'() { | ||
| let Foo = defineComponent({}, '{{if true "foo" "bar"}}{{unless true "foo" "bar"}}'); | ||
|
|
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| this.registerComponent('foo', { ComponentClass: Foo }); | ||
|
|
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| this.render('<Foo/>'); | ||
| this.assertHTML('foobar'); | ||
| this.assertStableRerender(); | ||
| } | ||
| } | ||
| ); | ||
| } |
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