Your IP : 3.147.103.33
'use strict';
const strictUriEncode = require('strict-uri-encode');
const decodeComponent = require('decode-uri-component');
const splitOnFirst = require('split-on-first');
function encoderForArrayFormat(options) {
switch (options.arrayFormat) {
case 'index':
return key => (result, value) => {
const index = result.length;
if (value === undefined) {
return result;
}
if (value === null) {
return [...result, [encode(key, options), '[', index, ']'].join('')];
}
return [
...result,
[encode(key, options), '[', encode(index, options), ']=', encode(value, options)].join('')
];
};
case 'bracket':
return key => (result, value) => {
if (value === undefined) {
return result;
}
if (value === null) {
return [...result, [encode(key, options), '[]'].join('')];
}
return [...result, [encode(key, options), '[]=', encode(value, options)].join('')];
};
case 'comma':
return key => (result, value, index) => {
if (value === null || value === undefined || value.length === 0) {
return result;
}
if (index === 0) {
return [[encode(key, options), '=', encode(value, options)].join('')];
}
return [[result, encode(value, options)].join(',')];
};
default:
return key => (result, value) => {
if (value === undefined) {
return result;
}
if (value === null) {
return [...result, encode(key, options)];
}
return [...result, [encode(key, options), '=', encode(value, options)].join('')];
};
}
}
function parserForArrayFormat(options) {
let result;
switch (options.arrayFormat) {
case 'index':
return (key, value, accumulator) => {
result = /\[(\d*)\]$/.exec(key);
key = key.replace(/\[\d*\]$/, '');
if (!result) {
accumulator[key] = value;
return;
}
if (accumulator[key] === undefined) {
accumulator[key] = {};
}
accumulator[key][result[1]] = value;
};
case 'bracket':
return (key, value, accumulator) => {
result = /(\[\])$/.exec(key);
key = key.replace(/\[\]$/, '');
if (!result) {
accumulator[key] = value;
return;
}
if (accumulator[key] === undefined) {
accumulator[key] = [value];
return;
}
accumulator[key] = [].concat(accumulator[key], value);
};
case 'comma':
return (key, value, accumulator) => {
const isArray = typeof value === 'string' && value.split('').indexOf(',') > -1;
const newValue = isArray ? value.split(',') : value;
accumulator[key] = newValue;
};
default:
return (key, value, accumulator) => {
if (accumulator[key] === undefined) {
accumulator[key] = value;
return;
}
accumulator[key] = [].concat(accumulator[key], value);
};
}
}
function encode(value, options) {
if (options.encode) {
return options.strict ? strictUriEncode(value) : encodeURIComponent(value);
}
return value;
}
function decode(value, options) {
if (options.decode) {
return decodeComponent(value);
}
return value;
}
function keysSorter(input) {
if (Array.isArray(input)) {
return input.sort();
}
if (typeof input === 'object') {
return keysSorter(Object.keys(input))
.sort((a, b) => Number(a) - Number(b))
.map(key => input[key]);
}
return input;
}
function removeHash(input) {
const hashStart = input.indexOf('#');
if (hashStart !== -1) {
input = input.slice(0, hashStart);
}
return input;
}
function extract(input) {
input = removeHash(input);
const queryStart = input.indexOf('?');
if (queryStart === -1) {
return '';
}
return input.slice(queryStart + 1);
}
function parse(input, options) {
options = Object.assign({
decode: true,
sort: true,
arrayFormat: 'none',
parseNumbers: false,
parseBooleans: false
}, options);
const formatter = parserForArrayFormat(options);
// Create an object with no prototype
const ret = Object.create(null);
if (typeof input !== 'string') {
return ret;
}
input = input.trim().replace(/^[?#&]/, '');
if (!input) {
return ret;
}
for (const param of input.split('&')) {
let [key, value] = splitOnFirst(param.replace(/\+/g, ' '), '=');
// Missing `=` should be `null`:
// http://w3.org/TR/2012/WD-url-20120524/#collect-url-parameters
value = value === undefined ? null : decode(value, options);
if (options.parseNumbers && !Number.isNaN(Number(value)) && (typeof value === 'string' && value.trim() !== '')) {
value = Number(value);
} else if (options.parseBooleans && value !== null && (value.toLowerCase() === 'true' || value.toLowerCase() === 'false')) {
value = value.toLowerCase() === 'true';
}
formatter(decode(key, options), value, ret);
}
if (options.sort === false) {
return ret;
}
return (options.sort === true ? Object.keys(ret).sort() : Object.keys(ret).sort(options.sort)).reduce((result, key) => {
const value = ret[key];
if (Boolean(value) && typeof value === 'object' && !Array.isArray(value)) {
// Sort object keys, not values
result[key] = keysSorter(value);
} else {
result[key] = value;
}
return result;
}, Object.create(null));
}
exports.extract = extract;
exports.parse = parse;
exports.stringify = (object, options) => {
if (!object) {
return '';
}
options = Object.assign({
encode: true,
strict: true,
arrayFormat: 'none'
}, options);
const formatter = encoderForArrayFormat(options);
const keys = Object.keys(object);
if (options.sort !== false) {
keys.sort(options.sort);
}
return keys.map(key => {
const value = object[key];
if (value === undefined) {
return '';
}
if (value === null) {
return encode(key, options);
}
if (Array.isArray(value)) {
return value
.reduce(formatter(key), [])
.join('&');
}
return encode(key, options) + '=' + encode(value, options);
}).filter(x => x.length > 0).join('&');
};
exports.parseUrl = (input, options) => {
return {
url: removeHash(input).split('?')[0] || '',
query: parse(extract(input), options)
};
};