2018-01-31 23:41:37 +00:00
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describe('PageRouter', () => {
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describe('route', () => {
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it('should choose the longest match', async () => {
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const context = new BrowsingContext();
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const [Page, PageRouter, ComponentBase] = await context.importScripts(
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Add the basic support for writing components in node.js
https://bugs.webkit.org/show_bug.cgi?id=186299
Reviewed by Antti Koivisto.
Add the basic support for writing components in node.js for generating rich email notifications.
To do this, this patch introduces MarkupComponentBase and MarkupPage which implement similar API
to ComponentBase and Page classes of v3 UI code. This enables us to share code between frontend
and the backend in the future. Because there is no support for declarative custom elements or
shadow root in HTML, MarkupComponentBase uses a similar but distinct concept of "content" tree
to represent the "DOM" tree for a component. When generating the HTML, MarkupComponentBase and
MarkupPage collectively transforms stylesheets and flattens the tree into a single HTML. In order
to keep this flatteneing logic simple, MarkupComponentBase only supports a very small subset of
CSS selectors to select elements by their local names and class names.
Specifically, each class name and element name based selectors are replaced by a globally unique
class name based selector, and each element which matches the selector is applied of the same
globally unique class name. The transformation is applied when constructing the "content" tree
as well as calls to renderReplace.
Because much of v3 frontend code relies on DOM API, this patch also implements the simplest form
of a fake DOM API as MarkupNode, MarkupParentNode, MarkupElement, and MarkupText. In order to avoid
reimplementing HTML & CSS parsers, this patch introduces the concept of content and style templates
to ComponentBase which are JSON alternatives to HTML & CSS template strings which can be used in
both frontend & backend.
* browser-tests/close-button-tests.js: Include CommonComponentBase.
* browser-tests/commit-log-viewer-tests.js: Ditto.
* browser-tests/component-base-tests.js: Ditto. Added a test cases for content & style templates.
(async.importComponentBase): Added.
* browser-tests/editable-text-tests.js: Include CommonComponentBase.
* browser-tests/index.html:
* browser-tests/markup-page-tests.js: Added.
* browser-tests/page-router-tests.js: Include CommonComponentBase.
* browser-tests/page-tests.js: Ditto.
* browser-tests/test-group-form-tests.js: Ditto.
* public/shared/common-component-base.js: Added.
(CommonComponentBase): Extracted out of ComponentBase.
(CommonComponentBase.prototype.renderReplace): Added.
(CommonComponentBase.renderReplace): Moved from ComponentBase.
(CommonComponentBase.prototype._recursivelyUpgradeUnknownElements): Moved and renamed from
ComponentBase's _recursivelyReplaceUnknownElementsByComponents.
(CommonComponentBase.prototype._upgradeUnknownElement): Extracted out of the same function.
(CommonComponentBase._constructStylesheetFromTemplate): Added.
(CommonComponentBase._constructNodeTreeFromTemplate): Added.
(CommonComponentBase.prototype.createElement): Added.
(CommonComponentBase.createElement): Moved from ComponentBase.
(CommonComponentBase._addContentToElement): Moved from ComponentBase.
(CommonComponentBase.prototype.createLink): Added.
(CommonComponentBase.createLink): Moved from ComponentBase.
(CommonComponentBase._context): Added. Set to document in a browser and MarkupDocument in node.js.
(CommonComponentBase._isNode): Added. Set to a function which does instanceof Node/MarkupNode check.
(CommonComponentBase._baseClass): Added. Set to ComponentBase or MarkupComponentBase.
* public/v3/components/base.js:
(ComponentBase):
(ComponentBase.prototype._ensureShadowTree): Added the support for the content and style templates.
Also avoid parsing the html template each time a component is instantiated by caching the result.
* public/v3/index.html:
* tools/js/markup-component.js: Added.
(MarkupDocument): Added. A fake Document.
(MarkupDocument.prototype.createContentRoot): A substitude for attachShadow.
(MarkupDocument.prototype.createElement):
(MarkupDocument.prototype.createTextNode):
(MarkupDocument.prototype._idForClone):
(MarkupDocument.prototype.reset):
(MarkupDocument.prototype.markup):
(MarkupDocument.prototype.escapeAttributeValue):
(MarkupDocument.prototype.escapeNodeData):
(MarkupNode): Added. A fake Node. Each node gets an unique ID.
(MarkupNode.prototype._markup):
(MarkupNode.prototype.clone): Implemented by the leave class.
(MarkupNode.prototype._cloneNodeData):
(MarkupNode.prototype.remove):
(MarkupParentNode): Added. An equivalent of ContainerNode in WebCore.
(MarkupParentNode.prototype.get childNodes):
(MarkupParentNode.prototype._cloneNodeData):
(MarkupParentNode.prototype.appendChild):
(MarkupParentNode.prototype.removeChild):
(MarkupParentNode.prototype.removeAllChildren):
(MarkupParentNode.prototype.replaceChild):
(MarkupContentRoot): Added. Used like a shadow tree.
(MarkupContentRoot.prototype._markup): Added.
(MarkupElement): Added. A fake Element. It also implements a subset of IDL attributes implemented by
subclasses such as HTMLInputElement for simplicity.
(MarkupElement.prototype.get id): Added.
(MarkupElement.prototype.get localName): Added.
(MarkupElement.prototype.clone): Added.
(MarkupElement.prototype.appendChild): Added.
(MarkupElement.prototype.addEventListener): Added.
(MarkupElement.prototype.setAttribute): Added.
(MarkupElement.prototype.getAttribute): Added.
(MarkupElement.prototype.get attributes): Added.
(MarkupElement.prototype.get textContent): Added.
(MarkupElement.prototype.set textContent): Added.
(MarkupElement.prototype._serializeStyle): Added.
(MarkupElement.prototype._markup): Added. Flattens the tree with content tree like copy & paste so
this can't be used to implement innerHTML.
(MarkupElement.prototype.get value): Added.
(MarkupElement.prototype.set value): Added.
(MarkupElement.prototype.get style): Added. Returns a fake writeonly CSSStyleDeclaration.
(MarkupElement.prototype.set style): Added.
(MarkupElement.get selfClosingNames): Added. A small list of self-closing tags for the HTML generation.
(MarkupText): Added.
(MarkupText.prototype.clone): Added.
(MarkupText.prototype._markup): Added.
(MarkupText.prototype.get data): Added.
(MarkupText.prototype.set data): Added.
(MarkupComponentBase): Added.
(MarkupComponentBase.prototype.element): Added. Like ComponentBase's element.
(MarkupComponentBase.prototype.content): Added. Like ComponentBase's content.
(MarkupComponentBase.prototype._findElementRecursivelyById): Added. A fake getElementById.
(MarkupComponentBase.prototype.render): Added. Like ComponentBase's render.
(MarkupComponentBase.prototype.runRenderLoop): Added. In ComponentBase, we use requestAnimationFrame.
In MarkupComponentBase, we keep rendering until the queue drains empty.
(MarkupComponentBase.prototype.renderReplace): Added. Like ComponentBase's renderReplace but applies
the transformation of classes to workaround the lack of shadow tree support in scriptless HTML.
(MarkupComponentBase.prototype._applyStyleOverrides): Added. Recursively applies the transformation.
(MarkupComponentBase.prototype._ensureContentTree): Added. Like ComponentBase's _ensureShadowTree.
(MarkupComponentBase.reset): Added.
(MarkupComponentBase._parseTemplates): Added. Parses the content & style templates, and generates the
transformed fake DOM tree and stylesheet text whereby selectors in each component is modified to be
unique across all components. The function to apply the necessary changes to an element is saved in
the global map of components, and later used in renderReplace via _applyStyleOverrides.
(MarkupComponentBase.defineElement): Added. Like ComponentBase's defineElement.
(MarkupComponentBase.prototype.createEventHandler): Added.
(MarkupComponentBase.createEventHandler): Added.
(MarkupPage): Added. The top-level component responsible for generating a DOCTYPE, head, and body.
(MarkupPage.prototype.pageTitle): Added.
(MarkupPage.prototype.content): Added. Overrides the one in MarkupComponentBase to return what would
be the content of the body element as opposed to the html element for the connivance of subclasses,
and to match the behavior of the frontend Page class.
(MarkupPage.prototype.render): Added.
(MarkupPage.prototype._updateComponentsStylesheet): Added. Concatenates the transformed stylesheet of
all components used.
(MarkupPage.get contentTemplate): Added.
(MarkupPage.prototype.generateMarkup): Added. Enqueues the page to render, spin the render loop, and
generates the HTML. We enqueue the page twice in order to invoke _updateComponentsStylesheet after
all subcomponent had finished rendering.
* unit-tests/markup-component-base-tests.js: Added.
* unit-tests/markup-element-tests.js: Added.
(.createElement): Added.
* unit-tests/markup-page-tests.js: Added.
Canonical link: https://commits.webkit.org/201761@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@232588 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2018-06-07 18:25:35 +00:00
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['instrumentation.js', '../shared/common-component-base.js', 'components/base.js', 'pages/page.js', 'pages/page-router.js'],
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2018-01-31 23:41:37 +00:00
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'Page', 'PageRouter', 'ComponentBase');
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let someRenderCount = 0;
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class SomePage extends Page {
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constructor() { super('some page'); }
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render() { someRenderCount++; }
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routeName() { return 'page'; }
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};
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let anotherRenderCount = 0;
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class AnotherPage extends Page {
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constructor() { super('another page'); }
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render() { anotherRenderCount++; }
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routeName() { return 'page/another'; }
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};
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const router = new PageRouter;
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const somePage = new SomePage;
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const anotherPage = new AnotherPage;
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router.addPage(somePage);
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router.addPage(anotherPage);
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context.global.location.hash = '#/page/another/1';
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router.route();
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await waitForComponentsToRender(context);
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expect(someRenderCount).to.be(0);
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expect(anotherRenderCount).to.be(1);
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});
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});
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});
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