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/**
* PHP htp_build_query() analog
*/
define(
[],
function () {
'use strict';
/**
* Encodes param according to RFC3986 standard.
*
* @param {string} str
* @returns {string}
*/
function encodeComponentRaw(str)
{
str = (str + '');
return encodeURIComponent(str)
.replace(/!/g, '%21')
.replace(/'/g, '%27')
.replace(/\(/g, '%28')
.replace(/\)/g, '%29')
.replace(/\*/g, '%2A');
}
/**
* Encodes param according to RF1738 standard.
*
* @param {string} str
* @returns {string}
*/
function encodeComponent(str)
{
return encodeComponentRaw(str).replace(/%20/g, '+');
}
/**
* Encode single GET param.
*
* @param {string} key
* @param {string} val
* @param {string} argSeparator
* @param {function (string)} encodeFunc
* @returns {string}
*/
function buildParam(key, val, argSeparator, encodeFunc)
{
var result = [];
if (val === true) {
val = '1';
} else if (val === false) {
val = '0';
}
if (val !== null) {
if (typeof val === 'object') {
for (var index in val) {
if (val[index] !== null) {
result.push(buildParam(key + '[' + index + ']', val[index], argSeparator, encodeFunc));
}
}
return result.join(argSeparator);
} else if (typeof val !== 'function') {
return encodeFunc(key) + '=' + encodeFunc(val);
} else {
throw new Error('There was an error processing for http_build_query().');
}
} else {
return '';
}
};
/**
* Builds HTTP query in the same way as PHP htp_build_query() function.
*
* @param {array} formData
* @param {string} numericPrefix
* @param {string} argSeparator
* @param {string} encType
* @returns {string}
*/
function httpBuildQuery(formData, numericPrefix, argSeparator, encType)
{
var result = [],
encode = (encType == 'PHP_QUERY_RFC3986') ? encodeComponentRaw : encodeComponent;
if (!argSeparator) {
argSeparator = '&';
}
for (var key in formData) {
if (numericPrefix && !isNaN(key)) {
key = String(numericPrefix) + key;
}
var query = buildParam(key, formData[key], argSeparator, encode);
if (query !== '') {
result.push(query);
}
}
return result.join(argSeparator);
};
return function (formData, numericPrefix, argSeparator, encType) {
return httpBuildQuery(formData, numericPrefix, argSeparator, encType);
}
}
);