@foreverrbum/ethsign/scripts/validate-i18n.js

This package will allow you to electronically sign documents within your application

const i18nFiles = ['zh', 'en', 'jp'];
const loadI18nResources = () => {
    return i18nFiles.map(item => {
        console.log(`Loading ../src/lib/message/${item}.json`);
        try {
            const data = require(`../src/lib/message/${item}.json`);
            return {data, i18n: item};
        } catch (e) {
            console.error(`Failed to load ../src/lib/message/${item}.json`)
        }    
    });
};

const checkTheKeyLeanEqual = (resources) => {
    let isEqual = true;
    const map = {};
    for (const {i18n, data} of resources) {
        map[i18n] = Object.keys(data).length;
    }
    try {

        Object.keys(map).reduce((pre, cur, index) => {
            if (index === 0) return cur;
            if (map[pre] !== map[cur]) isEqual = false;
            return cur;
        },0);

        if (!isEqual) {
            let message = '';
            Object.keys(map).forEach(item => {
                message = message + `${item}.json contains ${map[item]} key(s); ` 
            });
            throw new Error(message); 
        }
    } catch (e) {
        console.error(e);
    }
}

const compareSource = (resources) => {
    const {data} = resources[0];
    const keys = Object.keys(data);
    let count = 0;
    for (const { data } of resources) {
        while (keys.length >= count) {
            delete data[keys[count]];
            count++;
        }
        count = 0;
    }

    const ishasExtraKey = checkHasExtraKey(resources);

    if (ishasExtraKey) {
        const message = getErrorMsg(resources);
        throw new Error(message);
    }

    console.log("Successfully validated all i18n files.\n")
}

const checkHasExtraKey = (resources) => {
    let result = false;
    for (const {data} of resources) {
        if (Object.keys(data).length > 0) {
            console.log(data);
        }
        if (Object.keys(data).length !== 0) {
            result = true;
            break;
        }
    }
    return result;
}

const getErrorMsg = (resources) => {
    let message = '';
    for (const {i18n, data} of resources) {
        if (Object.keys(data).length !== 0) {
            message = message + `${i18n}.json contains ${JSON.stringify(data)}, but this is missing in other i18n files;`;
        }
    }
    return message;
}

const startCheck = () => {
    console.log("Starting i18n validation...");
    const resources = loadI18nResources();
    checkTheKeyLeanEqual(resources);
    compareSource(resources);
};

startCheck();