@storybook/angular
Version:
Storybook for Angular: Develop Angular components in isolation with hot reloading.
57 lines (56 loc) • 2.16 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getRenderType = exports.RendererFactory = void 0;
exports.clearRootHTMLElement = clearRootHTMLElement;
const AbstractRenderer_1 = require("./AbstractRenderer");
const CanvasRenderer_1 = require("./CanvasRenderer");
const DocsRenderer_1 = require("./DocsRenderer");
class RendererFactory {
constructor() {
this.rendererMap = new Map();
}
async getRendererInstance(targetDOMNode) {
const targetId = targetDOMNode.id;
// do nothing if the target node is null
// fix a problem when the docs asks 2 times the same component at the same time
// the 1st targetDOMNode of the 1st requested rendering becomes null 🤷♂️
if (targetDOMNode === null) {
return null;
}
const renderType = (0, exports.getRenderType)(targetDOMNode);
// keep only instances of the same type
if (this.lastRenderType && this.lastRenderType !== renderType) {
await AbstractRenderer_1.AbstractRenderer.resetApplications();
clearRootHTMLElement(renderType);
this.rendererMap.clear();
}
if (!this.rendererMap.has(targetId)) {
this.rendererMap.set(targetId, this.buildRenderer(renderType));
}
this.lastRenderType = renderType;
return this.rendererMap.get(targetId);
}
buildRenderer(renderType) {
if (renderType === 'docs') {
return new DocsRenderer_1.DocsRenderer();
}
return new CanvasRenderer_1.CanvasRenderer();
}
}
exports.RendererFactory = RendererFactory;
const getRenderType = (targetDOMNode) => {
return targetDOMNode.id === 'storybook-root' ? 'canvas' : 'docs';
};
exports.getRenderType = getRenderType;
function clearRootHTMLElement(renderType) {
switch (renderType) {
case 'canvas':
global.document.getElementById('storybook-docs').innerHTML = '';
break;
case 'docs':
global.document.getElementById('storybook-root').innerHTML = '';
break;
default:
break;
}
}