i18n-ai-trans/src/utils.js

i18n-translate 是一个高效、简介的多语言翻译工具，安装后只需简单几步就能实现整个多语言文本的快速翻译。

const fs = require("fs")
const path = require("path")

function getMissContent(source, target) {
    if (typeof source !== 'object') return
    let res;
    for (const key in source) {
        if (!target[key]) {
            if (!res) res = {}
            res[key] = source[key]
        }
        if (typeof target[key] === 'object') {
            const childRes = getMissContent(source[key], target[key])
            if (childRes) {
                if (!res) res = {}
                res[key] = childRes
            }
        }
    }
    return res
}


function setMissContent(source, additional) {
    function merge(source, target) {
        for (const key in target) {
            if (!source[key]) {
                source[key] = target[key]
                continue
            }
            if (typeof source[key] === 'object') {
                merge(source[key], target[key])
            }
        }
    }
    merge(source, additional)
}


function getLangStat(absDir, lang) {
    const filePath = path.join(absDir, `${lang}.json`)
    const dirPath = path.join(absDir, lang)
    const isFile = fs.existsSync(filePath)
    const isDir = fs.existsSync(dirPath)
    return {
        isFile,
        isDir,
        filePath,
        dirPath
    }
}

function getLanguageContent(absDir, lang) {
    const { filePath, isFile, dirPath, isDir } = getLangStat(absDir, lang)
    if (isFile) {
        const langContent = JSON.parse(fs.readFileSync(filePath, "utf-8"))
        return langContent
    }

    if (isDir) {
        const files = fs.readdirSync(dirPath)
        const res = {}
        files.forEach(file => {
            if (!file.endsWith('.json')) return
            const filePath = path.join(dirPath, file)
            const nameSpace = file.replace('.json', '')
            res[nameSpace] = JSON.parse(fs.readFileSync(filePath, "utf-8"))
        })
        return res
    }
    return {}
}


function setLanguageContent(absDir, lang, isDir, langContent) {
    if (isDir) {
        const dirPath = path.join(absDir, lang)
        if (!fs.existsSync(dirPath)) {
            fs.mkdirSync(dirPath)
        }
        Object.keys(langContent).forEach(nameSpace => {
            const file = nameSpace + '.json'
            const filePath = path.join(dirPath, file)
            fs.writeFileSync(filePath, JSON.stringify(langContent[nameSpace], null, 2), "utf8")
        })
    } else {
        fs.writeFileSync(path.join(absDir, `${lang}.json`), JSON.stringify(langContent, null, 2), "utf8")
    }

}



module.exports = {
    getMissContent, setMissContent, getLanguageContent, getLangStat, setLanguageContent
}