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/**
* Replace i18n texts
*/
import locale 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) {
const texts = locale[this.lang];
if (texts == null) {
console.warn(`lang '${this.lang}' is not supported`);
return key; // Fallback
}
let text = texts;
if (path) {
if (text.hasOwnProperty(path)) {
text = text[path];
} else {
console.warn(`path '${path}' not found in '${this.lang}'`);
return key; // Fallback
}
}
// Check the key existance
const error = key.split('.').some(k => {
if (text.hasOwnProperty(k)) {
text = text[k];
return false;
} else {
return true;
}
});
if (error) {
console.warn(`key '${key}' not found in '${path}' of '${this.lang}'`);
return key; // Fallback
} else {
return text;
}
}
public replacement(match, key) {
let path = null;
const shouldEscape = key[0] == '!';
if (shouldEscape) {
key = key.substr(1);
}
if (key.indexOf('|') != -1) {
path = key.split('|')[0];
key = key.split('|')[1];
}
const txt = this.get(path, key);
return shouldEscape
? txt.replace(/'/g, '\\x27').replace(/"/g, '\\x22')
: txt.replace(/"/g, '"');
}
}
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