239 lines
No EOL
8 KiB
TypeScript
239 lines
No EOL
8 KiB
TypeScript
import Locale from "./Locale";
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import {Utils} from "../../Utils";
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import BaseUIElement from "../BaseUIElement";
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export class Translation extends BaseUIElement {
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public static forcedLanguage = undefined;
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public readonly translations: object
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constructor(translations: object, context?: string) {
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super()
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if (translations === undefined) {
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throw `Translation without content (${context})`
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}
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if (typeof translations === "string") {
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translations = {"*": translations};
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}
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let count = 0;
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for (const translationsKey in translations) {
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if (!translations.hasOwnProperty(translationsKey)) {
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continue
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}
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count++;
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if (typeof (translations[translationsKey]) != "string") {
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console.error("Non-string object in translation: ", translations[translationsKey])
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throw "Error in an object depicting a translation: a non-string object was found. (" + context + ")\n You probably put some other section accidentally in the translation"
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}
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}
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this.translations = translations;
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if (count === 0) {
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throw `No translations given in the object (${context})`
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}
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}
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get txt(): string {
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return this.textFor(Translation.forcedLanguage ?? Locale.language.data)
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}
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static ExtractAllTranslationsFrom(object: any, context = ""): { context: string, tr: Translation }[] {
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const allTranslations: { context: string, tr: Translation }[] = []
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for (const key in object) {
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const v = object[key]
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if (v === undefined || v === null) {
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continue
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}
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if (v instanceof Translation) {
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allTranslations.push({context: context + "." + key, tr: v})
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continue
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}
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if (typeof v === "object") {
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allTranslations.push(...Translation.ExtractAllTranslationsFrom(v, context + "." + key))
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}
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}
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return allTranslations
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}
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static fromMap(transl: Map<string, string>) {
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const translations = {}
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let hasTranslation = false;
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transl?.forEach((value, key) => {
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translations[key] = value
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hasTranslation = true
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})
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if (!hasTranslation) {
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return undefined
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}
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return new Translation(translations);
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}
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Destroy() {
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super.Destroy();
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this.isDestroyed = true;
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}
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public textFor(language: string): string {
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if (this.translations["*"]) {
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return this.translations["*"];
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}
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const txt = this.translations[language];
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if (txt !== undefined) {
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return txt;
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}
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const en = this.translations["en"];
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if (en !== undefined) {
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return en;
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}
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for (const i in this.translations) {
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if (!this.translations.hasOwnProperty(i)) {
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continue;
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}
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return this.translations[i]; // Return a random language
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}
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console.error("Missing language ", Locale.language.data, "for", this.translations)
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return "";
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}
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InnerConstructElement(): HTMLElement {
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const el = document.createElement("span")
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const self = this
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Locale.language.addCallbackAndRun(_ => {
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if (self.isDestroyed) {
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return true
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}
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el.innerHTML = this.txt
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})
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return el;
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}
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public SupportedLanguages(): string[] {
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const langs = []
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for (const translationsKey in this.translations) {
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if (!this.translations.hasOwnProperty(translationsKey)) {
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continue;
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}
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if (translationsKey === "#") {
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continue;
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}
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if (!this.translations.hasOwnProperty(translationsKey)) {
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continue
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}
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langs.push(translationsKey)
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}
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return langs;
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}
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public AllValues(): string[] {
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return this.SupportedLanguages().map(lng => this.translations[lng]);
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}
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public Subs(text: any): Translation {
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const newTranslations = {};
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for (const lang in this.translations) {
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if (!this.translations.hasOwnProperty(lang)) {
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continue;
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}
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let template: string = this.translations[lang];
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newTranslations[lang] = Utils.SubstituteKeys(template, text, lang);
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}
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return new Translation(newTranslations);
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}
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/**
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*
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* Given a translation such as `{en: "How much of bicycle_types are rented here}` (which is this translation)
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* and a translation object `{ en: "electrical bikes" }`, plus the translation specification `bicycle_types`, will return
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* a new translation:
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* `{en: "How much electrical bikes are rented here?"}`
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*
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* @param translationObject
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* @param stringToReplace
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* @constructor
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*/
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public Fuse(translationObject: Translation, stringToReplace: string): Translation{
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const translations = this.translations
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const newTranslations = {}
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for (const lang in translations) {
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const target = translationObject.textFor(lang)
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if(target === undefined){
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continue
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}
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if(typeof target !== "string"){
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throw "Invalid object in Translation.fuse: translationObject['"+lang+"'] is not a string, it is: "+JSON.stringify(target)
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}
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newTranslations[lang] = this.translations[lang].replaceAll(stringToReplace, target)
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}
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return new Translation(newTranslations)
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}
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public replace(a: string, b: string) {
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if (a.startsWith("{") && a.endsWith("}")) {
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a = a.substr(1, a.length - 2);
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}
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return this.Subs({[a]: b});
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}
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public Clone() {
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return new Translation(this.translations)
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}
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FirstSentence() {
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const tr = {};
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for (const lng in this.translations) {
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if (!this.translations.hasOwnProperty(lng)) {
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continue
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}
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let txt = this.translations[lng];
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txt = txt.replace(/\..*/, "");
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txt = Utils.EllipsesAfter(txt, 255);
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tr[lng] = txt;
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}
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return new Translation(tr);
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}
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public ExtractImages(isIcon = false): string[] {
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const allIcons: string[] = []
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for (const key in this.translations) {
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if (!this.translations.hasOwnProperty(key)) {
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continue;
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}
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const render = this.translations[key]
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if (isIcon) {
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const icons = render.split(";").filter(part => part.match(/(\.svg|\.png|\.jpg)$/) != null)
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allIcons.push(...icons)
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} else if (!Utils.runningFromConsole) {
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// This might be a tagrendering containing some img as html
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const htmlElement = document.createElement("div")
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htmlElement.innerHTML = render
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const images = Array.from(htmlElement.getElementsByTagName("img")).map(img => img.src)
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allIcons.push(...images)
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} else {
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// We are running this in ts-node (~= nodejs), and can not access document
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// So, we fallback to simple regex
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try {
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const matches = render.match(/<img[^>]+>/g)
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if (matches != null) {
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const sources = matches.map(img => img.match(/src=("[^"]+"|'[^']+'|[^/ ]+)/))
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.filter(match => match != null)
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.map(match => match[1].trim().replace(/^['"]/, '').replace(/['"]$/, ''));
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allIcons.push(...sources)
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}
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} catch (e) {
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console.error("Could not search for images: ", render, this.txt)
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throw e
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}
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}
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}
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return allIcons.filter(icon => icon != undefined)
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}
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AsMarkdown(): string {
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return this.txt
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}
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} |