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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); } } }; }));