dees-domtools/ts/domtools.classes.domtools.ts

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import * as plugins from './domtools.plugins';
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import { Stringmap } from '@pushrocks/lik/dist_ts/lik.stringmap';
import { FastMap } from '@pushrocks/lik/dist_ts/lik.fastmap';
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import { TViewport } from './domtools.breakpoints';
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import { Scroller } from './domtools.classes.scroller';
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import { WebSetup } from '@pushrocks/websetup';
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import { ThemeManager } from './domtools.classes.thememanager';
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export interface IDomToolsState {
virtualViewport: TViewport;
}
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export class DomTools {
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// ======
// STATIC
// ======
/**
* setups domtools
*/
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public static async setupDomTools() {
let domToolsInstance: DomTools;
if (!globalThis.deesDomTools) {
globalThis.deesDomTools = new DomTools();
domToolsInstance = globalThis.deesDomTools;
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// lets make sure the dom is ready
const readyStateChangedFunc = () => {
if (document.readyState === 'interactive' || document.readyState === 'complete') {
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domToolsInstance.elements.headElement = document.querySelector('head');
domToolsInstance.elements.bodyElement = document.querySelector('body');
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domToolsInstance.domReady.resolve();
}
};
document.addEventListener('readystatechange', readyStateChangedFunc);
domToolsInstance.domToolsReady.resolve();
} else {
domToolsInstance = globalThis.deesDomTools;
}
await domToolsInstance.domToolsReady.promise;
return domToolsInstance;
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}
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/**
* if you can, use the static asysnc .setupDomTools() function instead since it is safer to use.
*/
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public static getGlobalDomToolsSync(): DomTools {
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const globalDomTools: DomTools = globalThis.deesDomTools;
if (!globalDomTools) {
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throw new Error('You tried to access domtools synchronously too early');
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}
return globalThis.deesDomTools;
}
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// ========
// INSTANCE
// ========
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// elements
public elements: {
headElement: HTMLElement;
bodyElement: HTMLElement;
} = {
headElement: null,
bodyElement: null,
};
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public websetup: WebSetup = new WebSetup({
metaObject: {
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title: 'loading...',
},
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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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virtualViewport: 'native',
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});
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public router = new plugins.smartrouter.SmartRouter({
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debug: false,
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});
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public convenience = {
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smartdelay: plugins.smartdelay,
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};
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public deesComms = new plugins.deesComms.DeesComms();
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public scroller = new plugins.SweetScroll({
/* some options */
}); // TODO: switch to scroller class
public themeManager = new ThemeManager(this);
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private actionSetVirtualViewport = this.domToolsStatePart.createAction<TViewport>(
async (statePart, payload) => {
const currentState = statePart.getState();
currentState.virtualViewport = payload;
return currentState;
}
);
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public domToolsReady = plugins.smartpromise.defer();
public domReady = plugins.smartpromise.defer();
public globalStylesReady = plugins.smartpromise.defer();
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constructor() {}
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private runOnceTrackerStringMap = new Stringmap();
private runOnceResultMap = new FastMap();
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/**
* run a function once and always get the Promise of the first execution
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* @param identifierArg the indentifier arg identifies functions. functions with the same identifier are considered equal
* @param funcArg the actual func arg to run
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*/
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public async runOnce<T>(identifierArg: string, funcArg: () => Promise<T>) {
const runningId = `${identifierArg}+runningCheck`;
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if (!this.runOnceTrackerStringMap.checkString(identifierArg)) {
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this.runOnceTrackerStringMap.addString(identifierArg);
this.runOnceTrackerStringMap.addString(runningId);
const result = await funcArg();
this.runOnceResultMap.addToMap(identifierArg, result);
this.runOnceTrackerStringMap.removeString(runningId);
}
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return await this.runOnceTrackerStringMap.registerUntilTrue(
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(stringMap) => {
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return !stringMap.includes(runningId);
},
() => {
return this.runOnceResultMap.getByKey(identifierArg);
}
);
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}
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// setStuff
public async setGlobalStyles(stylesText: string) {
await this.domReady.promise;
const styleElement = document.createElement('style');
styleElement.type = 'text/css';
styleElement.appendChild(document.createTextNode(stylesText));
this.elements.headElement.appendChild(styleElement);
}
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public async setExternalCss(cssLinkArg: string) {
const cssTag = document.createElement('link');
cssTag.rel = 'stylesheet';
cssTag.crossOrigin = 'anonymous';
cssTag.href = cssLinkArg;
document.head.append(cssTag);
}
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public setVirtualViewport(environmentArg: TViewport) {
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this.domToolsStatePart.dispatchAction(this.actionSetVirtualViewport, environmentArg);
}
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public async setWebsiteInfo(optionsArg: plugins.websetup.IWebSetupConstructorOptions) {
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await this.websetup.setup(optionsArg);
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await this.websetup.readyPromise;
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}
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}