87 lines
2.9 KiB
TypeScript
87 lines
2.9 KiB
TypeScript
import * as plugins from './domtools.plugins';
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import { Stringmap } from '@pushrocks/lik/dist_ts/lik.stringmap';
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import { FastMap } from '@pushrocks/lik/dist_ts/lik.fastmap';
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import { TViewport } from './domtools.breakpoints';
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export interface IDomToolsState {
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virtualViewport: TViewport;
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}
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export class DomTools {
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public static async setupDomTools() {
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let domToolsInstance: DomTools;
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if (!globalThis.deesDomTools) {
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globalThis.deesDomTools = new DomTools();
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domToolsInstance = globalThis.deesDomTools;
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// lets make sure the dom is ready
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const readyStateChangedFunc = () => {
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if (document.readyState === 'interactive' || document.readyState === 'complete') {
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domToolsInstance.elements.headElement = document.querySelector('head');
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domToolsInstance.elements.bodyElement = document.querySelector('body');
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domToolsInstance.domReady.resolve();
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}
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};
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document.addEventListener('readystatechange', readyStateChangedFunc);
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domToolsInstance.domToolsReady.resolve();
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} else {
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domToolsInstance = globalThis.deesDomTools;
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}
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await domToolsInstance.domToolsReady.promise;
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return domToolsInstance;
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}
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public smartstate = new plugins.smartstate.Smartstate();
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public domToolsStatePart = this.smartstate.getStatePart<IDomToolsState>('domtools');
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public domToolsReady = plugins.smartpromise.defer();
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public domReady = plugins.smartpromise.defer();
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public globalStylesReady = plugins.smartpromise.defer();
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// elements
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public elements: {
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headElement: HTMLElement;
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bodyElement: HTMLElement;
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} = {
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headElement: null,
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bodyElement: null
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};
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constructor() {}
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public async setGlobalStyles(stylesText: string) {
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await this.domReady.promise;
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const styleElement = document.createElement('style');
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styleElement.type = 'text/css';
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styleElement.appendChild(document.createTextNode(stylesText));
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this.elements.headElement.appendChild(styleElement);
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}
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private runOnceTrackerStringMap = new Stringmap();
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private runOnceResultMap = new FastMap();
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/**
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* run a function once and always get the Promise of the first execution
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* @param identifierArg
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* @param funcArg
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*/
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public async runOnce<T>(identifierArg: string, funcArg: () => Promise<T>) {
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const runningId = `${identifierArg}+runningCheck`;
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if (!this.runOnceTrackerStringMap.checkString(identifierArg)) {
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this.runOnceTrackerStringMap.addString(identifierArg);
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this.runOnceTrackerStringMap.addString(runningId);
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const result = await funcArg();
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this.runOnceResultMap.addToMap(identifierArg, result);
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this.runOnceTrackerStringMap.removeString(runningId);
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}
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return await this.runOnceTrackerStringMap.registerUntilTrue(
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stringMap => {
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return !stringMap.includes(runningId);
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},
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() => {
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return this.runOnceResultMap.getByKey(identifierArg);
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}
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);
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}
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setVirtualViewport() {}
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}
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