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url-util.js
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url-util.js
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module.exports = function init(jsUtil) {
return {
parseUrl: parseUrl,
appendQueryParamsString: appendQueryParamsString,
serializeQueryParams: serializeQueryParams
}
function parseUrl(url) {
var match = url.match(/^(https?\:)\/\/(([^:\/?#]*)(?:\:([0-9]+))?)([\/]{0,1}[^?#]*)(\?[^#]*|)(#.*|)$/);
return match && {
protocol: match[1],
host: match[2],
hostname: match[3],
port: match[4] || '',
pathname: match[5],
search: match[6],
hash: match[7]
}
}
function appendQueryParamsString(url, params) {
if (!url.length || !params.length) {
return url;
}
var parsed = parseUrl(url);
return parsed.protocol
+ '//'
+ parsed.host
+ parsed.pathname
+ (parsed.search.length ? parsed.search + '&' + params : '?' + params)
+ parsed.hash;
}
function serializeQueryParams(params, encode) {
return serializeObject('', params, encode);
}
function serializeObject(parentKey, object, encode) {
var parts = [];
for (var key in object) {
if (!object.hasOwnProperty(key)) {
continue;
}
var identifier = parentKey.length ? parentKey + '[' + key + ']' : key;
if (jsUtil.getTypeOf(object[key]) === 'Array') {
parts.push(serializeArray(identifier, object[key], encode));
continue;
} else if (jsUtil.getTypeOf(object[key]) === 'Object') {
parts.push(serializeObject(identifier, object[key], encode));
continue;
}
parts.push(serializeIdentifier(parentKey, key, encode) + '=' + serializeValue(object[key], encode));
}
return parts.join('&');
}
function serializeArray(parentKey, array, encode) {
var parts = [];
for (var i = 0; i < array.length; ++i) {
if (jsUtil.getTypeOf(array[i]) === 'Array') {
parts.push(serializeArray(parentKey + '[]', array[i], encode));
continue;
} else if (jsUtil.getTypeOf(array[i]) === 'Object') {
parts.push(serializeObject(parentKey + '[]' + array[i], encode));
continue;
}
parts.push(serializeIdentifier(parentKey, '', encode) + '=' + serializeValue(array[i], encode));
}
return parts.join('&');
}
function serializeIdentifier(parentKey, key, encode) {
if (!parentKey.length) {
return encode ? encodeURIComponent(key) : key;
}
if (encode) {
return encodeURIComponent(parentKey) + '[' + encodeURIComponent(key) + ']';
} else {
return parentKey + '[' + key + ']';
}
}
function serializeValue(value, encode) {
if (encode) {
return encodeURIComponent(value);
} else {
return value;
}
}
};