koa-i18next-middleware-fixed/src/utils.js

An i18next middleware for koa2 framework with some fixes

export function setPath(object, path, newValue) {
    let stack;
    if (typeof path !== 'string') stack = [].concat(path);
    if (typeof path === 'string') stack = path.split('.');

    while (stack.length > 1) {
        let key = stack.shift();
        if (key.indexOf('###') > -1) key = key.replace(/###/g, '.');
        if (!object[key]) object[key] = {};
        object = object[key];
    }

    let key = stack.shift();
    if (key.indexOf('###') > -1) key = key.replace(/###/g, '.');
    object[key] = newValue;
}

let arr = [];
let each = arr.forEach;
let slice = arr.slice;

export function defaults(obj) {
    each.call(slice.call(arguments, 1), function(source) {
        if (source) {
            for (var prop in source) {
                if (obj[prop] === undefined) obj[prop] = source[prop];
            }
        }
    });
    return obj;
}

export function extend(obj) {
    each.call(slice.call(arguments, 1), function(source) {
        if (source) {
            for (var prop in source) {
                obj[prop] = source[prop];
            }
        }
    });
    return obj;
}

export function removeLngFromUrl(url, lookupFromPathIndex) {
    let first = '';
    let pos = lookupFromPathIndex;

    if (url[0] === '/') {
        pos++;
        first = '/';
    }

    // Build new url
    let parts = url.split('/');
    parts.splice(pos, 1);
    url = parts.join('/');
    if (url[0] !== '/') url = first + url;

    return url;
}