66 lines
2.5 KiB
JavaScript
66 lines
2.5 KiB
JavaScript
// https://github.com/jquery/jquery/blob/2.1.3/src/manipulation/var/rcheckableType.js
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// https://github.com/jquery/jquery/blob/2.1.3/src/serialize.js
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var submittableSelector = 'input,select,textarea,keygen',
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r20 = /%20/g,
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rCRLF = /\r?\n/g,
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_ = {
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map: require('lodash/map')
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};
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exports.serialize = function() {
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// Convert form elements into name/value objects
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var arr = this.serializeArray();
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// Serialize each element into a key/value string
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var retArr = _.map(arr, function(data) {
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return encodeURIComponent(data.name) + '=' + encodeURIComponent(data.value);
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});
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// Return the resulting serialization
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return retArr.join('&').replace(r20, '+');
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};
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exports.serializeArray = function() {
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// Resolve all form elements from either forms or collections of form elements
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var Cheerio = this.constructor;
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return this.map(function() {
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var elem = this;
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var $elem = Cheerio(elem);
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if (elem.name === 'form') {
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return $elem.find(submittableSelector).toArray();
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} else {
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return $elem.filter(submittableSelector).toArray();
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}
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}).filter(
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// Verify elements have a name (`attr.name`) and are not disabled (`:disabled`)
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'[name!=""]:not(:disabled)'
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// and cannot be clicked (`[type=submit]`) or are used in `x-www-form-urlencoded` (`[type=file]`)
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+ ':not(:submit, :button, :image, :reset, :file)'
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// and are either checked/don't have a checkable state
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+ ':matches([checked], :not(:checkbox, :radio))'
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// Convert each of the elements to its value(s)
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).map(function(i, elem) {
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var $elem = Cheerio(elem);
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var name = $elem.attr('name');
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var value = $elem.val();
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// If there is no value set (e.g. `undefined`, `null`), then default value to empty
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if (value == null) {
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value = '';
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}
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// If we have an array of values (e.g. `<select multiple>`), return an array of key/value pairs
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if (Array.isArray(value)) {
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return _.map(value, function(val) {
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// We trim replace any line endings (e.g. `\r` or `\r\n` with `\r\n`) to guarantee consistency across platforms
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// These can occur inside of `<textarea>'s`
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return {name: name, value: val.replace( rCRLF, '\r\n' )};
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});
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// Otherwise (e.g. `<input type="text">`, return only one key/value pair
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} else {
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return {name: name, value: value.replace( rCRLF, '\r\n' )};
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}
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// Convert our result to an array
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}).get();
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};
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