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101 changes: 101 additions & 0 deletions
101
packages/ember-template-compiler/lib/plugins/transform-dot-component-invocation.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
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| /** | ||
| Transforms dot invocation of closure components to be wrapped | ||
| with the component helper. This allows for a more static invocation | ||
| of the component. | ||
| ```handlebars | ||
| {{#my-component as |comps|}} | ||
| {{comp.dropdown isOpen=false}} | ||
| {{/my-component}} | ||
| ``` | ||
| with | ||
| ```handlebars | ||
| {{#my-component as |comps|}} | ||
| {{component comp.dropdown isOpen=false}} | ||
| {{/my-component}} | ||
| ``` | ||
| and | ||
| ```handlebars | ||
| {{#my-component as |comps|}} | ||
| {{comp.dropdown isOpen}} | ||
| {{/my-component}} | ||
| ``` | ||
| with | ||
| ```handlebars | ||
| {{#my-component as |comps|}} | ||
| {{component comp.dropdown isOpen}} | ||
| {{/my-component}} | ||
| ``` | ||
| and | ||
| ```handlebars | ||
| {{#my-component as |comps|}} | ||
| {{#comp.dropdown}}Open{{/comp.dropdown}} | ||
| {{/my-component}} | ||
| ``` | ||
| with | ||
| ```handlebars | ||
| {{#my-component as |comps|}} | ||
| {{#component comp.dropdown}}Open{{/component}} | ||
| {{/my-component}} | ||
| ``` | ||
| @private | ||
| @class TransFormDotComponentInvocation | ||
| */ | ||
| export default function TransFormDotComponentInvocation() { | ||
| // set later within Glimmer2 to the syntax package | ||
| this.syntax = null; | ||
| } | ||
|
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| TransFormDotComponentInvocation.prototype = { | ||
| _isMulipartPath(path) { | ||
| return path.parts.length > 1; | ||
| }, | ||
|
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| _isInlineInvocation(path, params, hash) { | ||
| if (this._isMulipartPath(path)) { | ||
| if (params.length > 0 || hash.pairs.length > 0) { | ||
| return true; | ||
| } | ||
| } | ||
|
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| return false; | ||
| }, | ||
|
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| _wrapInComponent(node, builder) { | ||
| let component = node.path; | ||
| let componentHelper = builder.path('component'); | ||
| node.path = componentHelper; | ||
| node.params.unshift(component); | ||
| }, | ||
|
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| transform(ast) { | ||
| let { traverse, builders: b } = this.syntax; | ||
|
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| traverse(ast, { | ||
| MustacheStatement: (node) => { | ||
| if (this._isInlineInvocation(node.path, node.params, node.hash)) { | ||
| this._wrapInComponent(node, b); | ||
| } | ||
| }, | ||
| BlockStatement: (node) => { | ||
| if (this._isMulipartPath(node.path)) { | ||
| this._wrapInComponent(node, b) | ||
| } | ||
| } | ||
| }); | ||
|
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| return ast; | ||
| } | ||
| }; | ||
|
|
23 changes: 23 additions & 0 deletions
23
packages/ember-template-compiler/tests/plugins/transform-dot-component-invocation-test.js
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| @@ -0,0 +1,23 @@ | ||
| import { compile } from '../../index'; | ||
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| QUnit.module('ember-template-compiler: transforms dot component invocation'); | ||
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| QUnit.test('Does not throw a compiler error for path components', function(assert) { | ||
| assert.expect(1); | ||
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| [ | ||
| '{{this.modal open}}', | ||
| '{{this.modal isOpen=true}}', | ||
| '{{#this.modal}}Woot{{/this.modal}}', | ||
| '{{c.modal open}}', | ||
| '{{c.modal isOpen=true}}', | ||
| '{{#c.modal}}Woot{{/c.modal}}', | ||
| '{{#my-component as |c|}}{{c.a name="Chad"}}{{/my-component}}', | ||
| '{{#my-component as |c|}}{{c.a "Chad"}}{{/my-component}}', | ||
| '{{#my-component as |c|}}{{#c.a}}{{/c.a}}{{/my-component}}' | ||
| ].forEach((layout, i) => { | ||
| compile(layout, { moduleName: `example-${i}` }); | ||
| }); | ||
|
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| assert.ok(true); | ||
| }); |
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