yumechi-no-kuni/src/build/i18n.ts
2018-06-17 19:09:24 +09:00

71 lines
1.6 KiB
TypeScript

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