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98 lines
2.1 KiB
TypeScript
98 lines
2.1 KiB
TypeScript
import { LanguageMap } from 'utils/types';
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import {
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getIndexFormat,
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getIndexList,
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getSnippets,
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getWhitespaceSanitized,
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} from '../../utils/translationHelpers';
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import { ValueError } from './errors';
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type TranslationArgs = boolean | number | string;
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type TranslationLiteral = TemplateStringsArray | TranslationArgs;
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class TranslationString {
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args: TranslationLiteral[];
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argList?: TranslationArgs[];
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strList?: string[];
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context?: string;
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languageMap?: LanguageMap;
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constructor(...args: TranslationLiteral[]) {
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this.args = args;
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}
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get s() {
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return this.toString();
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}
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ctx(context?: string) {
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this.context = context;
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return this;
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}
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#formatArg(arg: string | number | boolean) {
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return arg ?? '';
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}
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#translate() {
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let indexFormat = getIndexFormat(this.args[0] as string);
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indexFormat = getWhitespaceSanitized(indexFormat);
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const translatedIndexFormat =
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this.languageMap![indexFormat]?.translation ?? indexFormat;
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this.argList = getIndexList(translatedIndexFormat).map(
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(i) => this.argList![i]
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);
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this.strList = getSnippets(translatedIndexFormat);
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}
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#stitch() {
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if (!((this.args[0] as any) instanceof Array)) {
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throw new ValueError(
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`invalid args passed to TranslationString ${
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this.args
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} of type ${typeof this.args[0]}`
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);
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}
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this.strList = this.args[0] as any as string[];
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this.argList = this.args.slice(1) as TranslationArgs[];
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if (this.languageMap) {
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this.#translate();
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}
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return this.strList!.map((s, i) => s + this.#formatArg(this.argList![i]))
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.join('')
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.replace(/\s+/g, ' ')
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.trim();
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}
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toString() {
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return this.#stitch();
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}
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toJSON() {
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return this.#stitch();
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}
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valueOf() {
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return this.#stitch();
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}
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}
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export function T(...args: string[]): TranslationString {
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return new TranslationString(...args);
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}
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export function t(...args: TranslationLiteral[]): string {
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return new TranslationString(...args).s;
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}
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export function setLanguageMapOnTranslationString(
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languageMap: LanguageMap | undefined
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) {
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TranslationString.prototype.languageMap = languageMap;
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}
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