calckey/src/build/i18n.ts

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/**
* Replace i18n texts
*/
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import locale, { isAvailableLanguage, LocaleObject } from '../../locales';
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export default class Replacer {
private lang: string;
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public pattern = /%i18n:([a-z0-9_\-\.\/\|]+?)%/g;
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constructor(lang: string) {
this.lang = lang;
this.get = this.get.bind(this);
this.replacement = this.replacement.bind(this);
}
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private get(path: string, key: string): string {
if (!isAvailableLanguage(this.lang)) {
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console.warn(`lang '${this.lang}' is not supported`);
return key; // Fallback
}
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const texts = locale[this.lang];
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let text = texts;
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if (path) {
if (text.hasOwnProperty(path)) {
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text = text[path] as LocaleObject;
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} else {
console.warn(`path '${path}' not found in '${this.lang}'`);
return key; // Fallback
}
}
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// Check the key existance
const error = key.split('.').some(k => {
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if (text.hasOwnProperty(k)) {
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text = (text as LocaleObject)[k];
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return false;
} else {
return true;
}
});
if (error) {
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console.warn(`key '${key}' not found in '${path}' of '${this.lang}'`);
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return key; // Fallback
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} else if (typeof text !== 'string') {
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console.warn(`key '${key}' is not string in '${path}' of '${this.lang}'`);
return key; // Fallback
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} else {
return text;
}
}
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public replacement(match: string, key: string) {
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let path = null;
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if (key.indexOf('|') != -1) {
path = key.split('|')[0];
key = key.split('|')[1];
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}
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const txt = this.get(path, key);
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return txt.replace(/'/g, '\\x27').replace(/"/g, '\\x22');
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}
}