usedjs/lib/querystring.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 parse(qs, sep, eq) {
    var obj = Object.create(null);
    if (typeof qs !== 'string' || qs.length === 0) {
        return obj;
    }
    sep = sep || '&';
    eq = eq || '=';
    var params = qs.split(sep);
    var i = 0;
    var l = params.length;
    var _loop_1 = function () {
        var items = params[i].split(eq);
        var queryKey = items[0].trim();
        var queryVal = '';
        if (items.length >= 3) {
            items.splice(0, 1);
            var lastIndex_1 = items.length - 1;
            items.forEach(function (v, i) {
                v = v.trim();
                if (i === lastIndex_1) {
                    queryVal += v;
                }
                else {
                    queryVal += v + eq;
                }
            });
        }
        else {
            queryVal = items[1].trim();
        }
        var cur = obj[queryKey];
        if (cur) {
            if (Array.isArray(cur)) {
                cur.push(decodeURIComponent(queryVal));
            }
            else {
                var temp = cur;
                obj[queryKey] = new Array();
                obj[queryKey].push(temp);
                obj[queryKey].push(decodeURIComponent(queryVal));
            }
        }
        else {
            obj[queryKey] = decodeURIComponent(queryVal);
        }
    };
    for (; i < l; i++) {
        _loop_1();
    }
    return obj;
}
exports.parse = parse;
function stringify(obj, sep, eq) {
    sep = sep || '&';
    eq = eq || '=';
    if (obj !== null && typeof obj === 'object') {
        var keys = Object.keys(obj);
        var len = keys.length;
        var flast = len - 1;
        var fields = '';
        var i = 0;
        for (; i < len; i++) {
            var k = keys[i];
            var v = obj[k];
            var ks = k + eq;
            if (Array.isArray(v)) {
                var vlen = v.length;
                var vlast = vlen - 1;
                var j = 0;
                for (; j < vlen; ++j) {
                    fields += ks + decodeURIComponent(v[j]);
                    if (j < vlast) {
                        fields += sep;
                    }
                }
                if (vlen && i < flast) {
                    fields += sep;
                }
            }
            else {
                fields += ks + decodeURIComponent(v);
                if (i < flast) {
                    fields += sep;
                }
            }
        }
        return fields;
    }
    return '';
}
exports.stringify = stringify;