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/*!
SerializeJSON jQuery plugin.
https://github.com/marioizquierdo/jquery.serializeJSON
version 2.8.1 (Dec, 2016)
Copyright (c) 2012, 2017 Mario Izquierdo
Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
*/
(function (factory) {
if (typeof define === 'function' && define.amd) { // AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if (typeof exports === 'object') { // Node/CommonJS
var jQuery = require('jquery');
module.exports = factory(jQuery);
} else { // Browser globals (zepto supported)
factory(window.jQuery || window.Zepto || window.$); // Zepto supported on browsers as well
}
}(function ($) {
"use strict";
// jQuery('form').serializeJSON()
$.fn.serializeJSON = function (options) {
var f, $form, opts, formAsArray, serializedObject, name, value, parsedValue, _obj, nameWithNoType, type, keys, skipFalsy;
f = $.serializeJSON;
$form = this; // NOTE: the set of matched elements is most likely a form, but it could also be a group of inputs
opts = f.setupOpts(options); // calculate values for options {parseNumbers, parseBoolens, parseNulls, ...} with defaults
// Use native `serializeArray` function to get an array of {name, value} objects.
formAsArray = $form.serializeArray();
f.readCheckboxUncheckedValues(formAsArray, opts, $form); // add objects to the array from unchecked checkboxes if needed
// Convert the formAsArray into a serializedObject with nested keys
serializedObject = {};
$.each(formAsArray, function (i, obj) {
name = obj.name; // original input name
value = obj.value; // input value
_obj = f.extractTypeAndNameWithNoType(name);
nameWithNoType = _obj.nameWithNoType; // input name with no type (i.e. "foo:string" => "foo")
type = _obj.type; // type defined from the input name in :type colon notation
if (!type) type = f.attrFromInputWithName($form, name, 'data-value-type');
f.validateType(name, type, opts); // make sure that the type is one of the valid types if defined
if (type !== 'skip') { // ignore inputs with type 'skip'
keys = f.splitInputNameIntoKeysArray(nameWithNoType);
parsedValue = f.parseValue(value, name, type, opts); // convert to string, number, boolean, null or customType
skipFalsy = !parsedValue && f.shouldSkipFalsy($form, name, nameWithNoType, type, opts); // ignore falsy inputs if specified
if (!skipFalsy) {
f.deepSet(serializedObject, keys, parsedValue, opts);
}
}
});
return serializedObject;
};
// Use $.serializeJSON as namespace for the auxiliar functions
// and to define defaults
$.serializeJSON = {
defaultOptions: {
checkboxUncheckedValue: undefined, // to include that value for unchecked checkboxes (instead of ignoring them)
parseNumbers: false, // convert values like "1", "-2.33" to 1, -2.33
parseBooleans: false, // convert "true", "false" to true, false
parseNulls: false, // convert "null" to null
parseAll: false, // all of the above
parseWithFunction: null, // to use custom parser, a function like: function(val){ return parsed_val; }
skipFalsyValuesForTypes: [], // skip serialization of falsy values for listed value types
skipFalsyValuesForFields: [], // skip serialization of falsy values for listed field names
customTypes: {}, // override defaultTypes
defaultTypes: {
"string": function(str) { return String(str); },
"number": function(str) { return Number(str); },
"boolean": function(str) { var falses = ["false", "null", "undefined", "", "0"]; return falses.indexOf(str) === -1; },
"null": function(str) { var falses = ["false", "null", "undefined", "", "0"]; return falses.indexOf(str) === -1 ? str : null; },
"array": function(str) { return JSON.parse(str); },
"object": function(str) { return JSON.parse(str); },
"auto": function(str) { return $.serializeJSON.parseValue(str, null, null, {parseNumbers: true, parseBooleans: true, parseNulls: true}); }, // try again with something like "parseAll"
"skip": null // skip is a special type that makes it easy to ignore elements
},
useIntKeysAsArrayIndex: false // name="foo[2]" value="v" => {foo: [null, null, "v"]}, instead of {foo: ["2": "v"]}
},
// Merge option defaults into the options
setupOpts: function(options) {
var opt, validOpts, defaultOptions, optWithDefault, parseAll, f;
f = $.serializeJSON;
if (options == null) { options = {}; } // options ||= {}
defaultOptions = f.defaultOptions || {}; // defaultOptions
// Make sure that the user didn't misspell an option
validOpts = ['checkboxUncheckedValue', 'parseNumbers', 'parseBooleans', 'parseNulls', 'parseAll', 'parseWithFunction', 'skipFalsyValuesForTypes', 'skipFalsyValuesForFields', 'customTypes', 'defaultTypes', 'useIntKeysAsArrayIndex']; // re-define because the user may override the defaultOptions
for (opt in options) {
if (validOpts.indexOf(opt) === -1) {
throw new Error("serializeJSON ERROR: invalid option '" + opt + "'. Please use one of " + validOpts.join(', '));
}
}
// Helper to get the default value for this option if none is specified by the user
optWithDefault = function(key) { return (options[key] !== false) && (options[key] !== '') && (options[key] || defaultOptions[key]); };
// Return computed options (opts to be used in the rest of the script)
parseAll = optWithDefault('parseAll');
return {
checkboxUncheckedValue: optWithDefault('checkboxUncheckedValue'),
parseNumbers: parseAll || optWithDefault('parseNumbers'),
parseBooleans: parseAll || optWithDefault('parseBooleans'),
parseNulls: parseAll || optWithDefault('parseNulls'),
parseWithFunction: optWithDefault('parseWithFunction'),
skipFalsyValuesForTypes: optWithDefault('skipFalsyValuesForTypes'),
skipFalsyValuesForFields: optWithDefault('skipFalsyValuesForFields'),
typeFunctions: $.extend({}, optWithDefault('defaultTypes'), optWithDefault('customTypes')),
useIntKeysAsArrayIndex: optWithDefault('useIntKeysAsArrayIndex')
};
},
// Given a string, apply the type or the relevant "parse" options, to return the parsed value
parseValue: function(valStr, inputName, type, opts) {
var f, parsedVal;
f = $.serializeJSON;
parsedVal = valStr; // if no parsing is needed, the returned value will be the same
if (opts.typeFunctions && type && opts.typeFunctions[type]) { // use a type if available
parsedVal = opts.typeFunctions[type](valStr);
} else if (opts.parseNumbers && (! isNaN(valStr) && isFinite(valStr))) { // auto: number
parsedVal = Number(valStr);
} else if (opts.parseBooleans && (valStr === "true" || valStr === "false")) { // auto: boolean
parsedVal = (valStr === "true");
} else if (opts.parseNulls && valStr == "null") { // auto: null
parsedVal = null;
}
if (opts.parseWithFunction && !type) { // custom parse function (apply after previous parsing options, but not if there's a specific type)
parsedVal = opts.parseWithFunction(parsedVal, inputName);
}
return parsedVal;
},
isObject: function(obj) { return obj === Object(obj); }, // is it an Object?
isUndefined: function(obj) { return obj === void 0; }, // safe check for undefined values
isValidArrayIndex: function(val) { return /^[0-9]+$/.test(String(val)); }, // 1,2,3,4 ... are valid array indexes
isNumeric: function(obj) { return obj - parseFloat(obj) >= 0; }, // taken from jQuery.isNumeric implementation. Not using jQuery.isNumeric to support old jQuery and Zepto versions
optionKeys: function(obj) { if (Object.keys) { return Object.keys(obj); } else { var key, keys = []; for(key in obj){ keys.push(key); } return keys;} }, // polyfill Object.keys to get option keys in IE<9
// Fill the formAsArray object with values for the unchecked checkbox inputs,
// using the same format as the jquery.serializeArray function.
// The value of the unchecked values is determined from the opts.checkboxUncheckedValue
// and/or the data-unchecked-value attribute of the inputs.
readCheckboxUncheckedValues: function (formAsArray, opts, $form) {
var selector, $uncheckedCheckboxes, $el, uncheckedValue, f, name;
if (opts == null) { opts = {}; }
f = $.serializeJSON;
selector = 'input[type=checkbox][name]:not(:checked):not([disabled])';
$uncheckedCheckboxes = $form.find(selector).add($form.filter(selector));
$uncheckedCheckboxes.each(function (i, el) {
// Check data attr first, then the option
$el = $(el);
uncheckedValue = $el.attr('data-unchecked-value');
if (uncheckedValue == null) {
uncheckedValue = opts.checkboxUncheckedValue;
}
// If there's an uncheckedValue, push it into the serialized formAsArray
if (uncheckedValue != null) {
if (el.name && el.name.indexOf("[][") !== -1) { // identify a non-supported
throw new Error("serializeJSON ERROR: checkbox unchecked values are not supported on nested arrays of objects like '"+el.name+"'. See https://github.com/marioizquierdo/jquery.serializeJSON/issues/67");
}
formAsArray.push({name: el.name, value: uncheckedValue});
}
});
},
// Returns and object with properties {name_without_type, type} from a given name.
// The type is null if none specified. Example:
// "foo" => {nameWithNoType: "foo", type: null}
// "foo:boolean" => {nameWithNoType: "foo", type: "boolean"}
// "foo[bar]:null" => {nameWithNoType: "foo[bar]", type: "null"}
extractTypeAndNameWithNoType: function(name) {
var match;
if (match = name.match(/(.*):([^:]+)$/)) {
return {nameWithNoType: match[1], type: match[2]};
} else {
return {nameWithNoType: name, type: null};
}
},
// Check if this input should be skipped when it has a falsy value,
// depending on the options to skip values by name or type, and the data-skip-falsy attribute.
shouldSkipFalsy: function($form, name, nameWithNoType, type, opts) {
var f = $.serializeJSON;
var skipFromDataAttr = f.attrFromInputWithName($form, name, 'data-skip-falsy');
if (skipFromDataAttr != null) {
return skipFromDataAttr !== 'false'; // any value is true, except if explicitly using 'false'
}
var optForFields = opts.skipFalsyValuesForFields;
if (optForFields && (optForFields.indexOf(nameWithNoType) !== -1 || optForFields.indexOf(name) !== -1)) {
return true;
}
var optForTypes = opts.skipFalsyValuesForTypes;
if (type == null) type = 'string'; // assume fields with no type are targeted as string
if (optForTypes && optForTypes.indexOf(type) !== -1) {
return true
}
return false;
},
// Finds the first input in $form with this name, and get the given attr from it.
// Returns undefined if no input or no attribute was found.
attrFromInputWithName: function($form, name, attrName) {
var escapedName, selector, $input, attrValue;
escapedName = name.replace(/(:|\.|\[|\]|\s)/g,'\\$1'); // every non-standard character need to be escaped by \\
selector = '[name="' + escapedName + '"]';
$input = $form.find(selector).add($form.filter(selector)); // NOTE: this returns only the first $input element if multiple are matched with the same name (i.e. an "array[]"). So, arrays with different element types specified through the data-value-type attr is not supported.
return $input.attr(attrName);
},
// Raise an error if the type is not recognized.
validateType: function(name, type, opts) {
var validTypes, f;
f = $.serializeJSON;
validTypes = f.optionKeys(opts ? opts.typeFunctions : f.defaultOptions.defaultTypes);
if (!type || validTypes.indexOf(type) !== -1) {
return true;
} else {
throw new Error("serializeJSON ERROR: Invalid type " + type + " found in input name '" + name + "', please use one of " + validTypes.join(', '));
}
},
// Split the input name in programatically readable keys.
// Examples:
// "foo" => ['foo']
// "[foo]" => ['foo']
// "foo[inn][bar]" => ['foo', 'inn', 'bar']
// "foo[inn[bar]]" => ['foo', 'inn', 'bar']
// "foo[inn][arr][0]" => ['foo', 'inn', 'arr', '0']
// "arr[][val]" => ['arr', '', 'val']
splitInputNameIntoKeysArray: function(nameWithNoType) {
var keys, f;
f = $.serializeJSON;
keys = nameWithNoType.split('['); // split string into array
keys = $.map(keys, function (key) { return key.replace(/\]/g, ''); }); // remove closing brackets
if (keys[0] === '') { keys.shift(); } // ensure no opening bracket ("[foo][inn]" should be same as "foo[inn]")
return keys;
},
// Set a value in an object or array, using multiple keys to set in a nested object or array:
//
// deepSet(obj, ['foo'], v) // obj['foo'] = v
// deepSet(obj, ['foo', 'inn'], v) // obj['foo']['inn'] = v // Create the inner obj['foo'] object, if needed
// deepSet(obj, ['foo', 'inn', '123'], v) // obj['foo']['arr']['123'] = v //
//
// deepSet(obj, ['0'], v) // obj['0'] = v
// deepSet(arr, ['0'], v, {useIntKeysAsArrayIndex: true}) // arr[0] = v
// deepSet(arr, [''], v) // arr.push(v)
// deepSet(obj, ['arr', ''], v) // obj['arr'].push(v)
//
// arr = [];
// deepSet(arr, ['', v] // arr => [v]
// deepSet(arr, ['', 'foo'], v) // arr => [v, {foo: v}]
// deepSet(arr, ['', 'bar'], v) // arr => [v, {foo: v, bar: v}]
// deepSet(arr, ['', 'bar'], v) // arr => [v, {foo: v, bar: v}, {bar: v}]
//
deepSet: function (o, keys, value, opts) {
var key, nextKey, tail, lastIdx, lastVal, f;
if (opts == null) { opts = {}; }
f = $.serializeJSON;
if (f.isUndefined(o)) { throw new Error("ArgumentError: param 'o' expected to be an object or array, found undefined"); }
if (!keys || keys.length === 0) { throw new Error("ArgumentError: param 'keys' expected to be an array with least one element"); }
key = keys[0];
// Only one key, then it's not a deepSet, just assign the value.
if (keys.length === 1) {
if (key === '') {
o.push(value); // '' is used to push values into the array (assume o is an array)
} else {
o[key] = value; // other keys can be used as object keys or array indexes
}
// With more keys is a deepSet. Apply recursively.
} else {
nextKey = keys[1];
// '' is used to push values into the array,
// with nextKey, set the value into the same object, in object[nextKey].
// Covers the case of ['', 'foo'] and ['', 'var'] to push the object {foo, var}, and the case of nested arrays.
if (key === '') {
lastIdx = o.length - 1; // asume o is array
lastVal = o[lastIdx];
if (f.isObject(lastVal) && (f.isUndefined(lastVal[nextKey]) || keys.length > 2)) { // if nextKey is not present in the last object element, or there are more keys to deep set
key = lastIdx; // then set the new value in the same object element
} else {
key = lastIdx + 1; // otherwise, point to set the next index in the array
}
}
// '' is used to push values into the array "array[]"
if (nextKey === '') {
if (f.isUndefined(o[key]) || !Array.isArray(o[key])) {
o[key] = []; // define (or override) as array to push values
}
} else {
if (opts.useIntKeysAsArrayIndex && f.isValidArrayIndex(nextKey)) { // if 1, 2, 3 ... then use an array, where nextKey is the index
if (f.isUndefined(o[key]) || !Array.isArray(o[key])) {
o[key] = []; // define (or override) as array, to insert values using int keys as array indexes
}
} else { // for anything else, use an object, where nextKey is going to be the attribute name
if (f.isUndefined(o[key]) || !f.isObject(o[key])) {
o[key] = {}; // define (or override) as object, to set nested properties
}
}
}
// Recursively set the inner object
tail = keys.slice(1);
f.deepSet(o[key], tail, value, opts);
}
}
};
}));