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index.js
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index.js
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const _ = require('lodash');
let _characterMap = require('./characterMap');
const sortObjectByKeyLengthDesc = (_object) => {
let keyArray = Object.keys(_object);
const object = {};
keyArray = keyArray.slice().sort((a, b) => {
return b.length - a.length;
});
keyArray.forEach(function (item) {
object[item] = _object[item]
})
return object;
}
for (let key in _characterMap) {
_characterMap[key].map = sortObjectByKeyLengthDesc(_characterMap[key].map);
}
module.exports = (text, uglifyToLanguage = 'en') => {
let characterMap = _.cloneDeep(_characterMap);
if (typeof text !== 'string') throw new Error('Unmatched type: please use a string.');
const listOfUglifyToLanguages = [...new Set(Object.keys(characterMap).map(key => key.split('-')[1]))];
if (!listOfUglifyToLanguages.includes(uglifyToLanguage)) throw new Error(`Unmatched language "${uglifyToLanguage}", please use of of those: "${listOfUglifyToLanguages.join(', ')}"`);
if (typeof text === 'undefined') return text;
characterMap = _.pickBy(characterMap, (value, key) => {
const _uglifyToLanguage = key.split('-')[1];
return _uglifyToLanguage === uglifyToLanguage;
});
//clean ups
for (let language in characterMap) {
const {toCleanUp = []} = characterMap[language];
for (let toCleanUpCharacter of toCleanUp) {
const regExp = new RegExp(toCleanUpCharacter, 'g');
text = text.replace(regExp, '');
}
}
//conversion
const texts = [text];
for (let language in characterMap) {
const {map: data} = characterMap[language];
for (let key in data) {
const regExp = new RegExp(key, 'g');
const values = data[key];
for (let textIndex = 0; textIndex < texts.length; textIndex++) {
const text = texts[textIndex];
for (let valueIndex = 0; valueIndex < values.length; valueIndex++) {
const value = values[valueIndex];
const textReplaced = text.replace(regExp, value);
const isTextChanged = textReplaced !== text;
if (!isTextChanged) continue;
if (valueIndex > 0) {
texts.push(textReplaced);
} else {
texts[textIndex] = textReplaced;
}
}
}
}
}
return texts;
}