usedjs/lib/cookie.js

used.js 是一个轻量级小巧的可运行在浏览器中的 JavaScript 函数库

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
function decode(s) {
    return s.replace(/(%[0-9A-Z]{2})+/g, decodeURIComponent);
}
function cookieHandler(key, value, attributes) {
    if (!document) {
        return new Error('Not Found document');
    }
    var write = (value !== 'json' && value !== undefined) || attributes !== undefined;
    var read = !write;
    if (write) {
        if (!attributes.path) {
            attributes.path = '/';
        }
        if (typeof attributes.expires === 'number') {
            attributes.expires = new Date(new Date().getTime() + attributes.expires * 86400000);
        }
        attributes.expires = attributes.expires ? attributes.expires.toUTCString() : '';
        try {
            var r = JSON.stringify(value);
            if (/^[\{\[]/.test(r)) {
                value = r;
            }
        }
        catch (e) { }
        value = encodeURIComponent(String(value));
        key = encodeURIComponent(String(key));
        var stringifiedAttributes = '';
        for (var attributeName in attributes) {
            if (!attributes[attributeName]) {
                continue;
            }
            stringifiedAttributes += '; ' + attributeName;
            if (attributes[attributeName] === true) {
                continue;
            }
            stringifiedAttributes += '=' + attributes[attributeName].split(';')[0];
        }
        return document.cookie = key + '=' + value + stringifiedAttributes;
    }
    if (read) {
        var i = 0;
        var jar = Object.create(null);
        var cookies = document.cookie ? document.cookie.split('; ') : [];
        var l = cookies.length;
        var json = value === 'json';
        for (; i < l; i++) {
            var parts = cookies[i].split('=');
            var cookie = parts.slice(1).join('=');
            if (!json && cookie.charAt(0) === '"') {
                cookie = cookie.slice(1, -1);
            }
            try {
                var name_1 = decode(parts[0]);
                var cookieVal = decode(cookie);
                if (json) {
                    try {
                        cookieVal = JSON.parse(cookie);
                    }
                    catch (e) { }
                }
                jar[name_1] = cookieVal;
            }
            catch (e) { }
        }
        return key ? jar[key] : jar;
    }
}
function get(key) {
    return cookieHandler(key);
}
exports.get = get;
function getJSON(key) {
    return cookieHandler(key, 'json');
}
exports.getJSON = getJSON;
function set(key, value, attributes) {
    if (attributes === void 0) { attributes = {}; }
    return cookieHandler(key, value, attributes);
}
exports.set = set;
function remove(key, attributes) {
    if (attributes) {
        attributes = Object.create(null);
        attributes.expires = -1;
    }
    return cookieHandler(key, '', attributes);
}
exports.remove = remove;