corrade-http-templates – Rev 2
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/*!
SerializeJSON jQuery plugin.
https://github.com/marioizquierdo/jquery.serializeJSON
version 2.6.1 (May, 2015)
Copyright (c) 2012, 2015 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 ($) {
"use strict";
// jQuery('form').serializeJSON()
$.fn.serializeJSON = function (options) {
var serializedObject, formAsArray, keys, type, value, _ref, f, opts;
f = $.serializeJSON;
opts = f.setupOpts(options); // calculate values for options {parseNumbers, parseBoolens, parseNulls}
formAsArray = this.serializeArray(); // array of objects {name, value}
f.readCheckboxUncheckedValues(formAsArray, this, opts); // add {name, value} of unchecked checkboxes if needed
serializedObject = {};
$.each(formAsArray, function (i, input) {
keys = f.splitInputNameIntoKeysArray(input.name, opts);
type = keys.pop(); // the last element is always the type ("string" by default)
if (type !== 'skip') { // easy way to skip a value
value = f.parseValue(input.value, type, opts); // string, number, boolean or null
if (opts.parseWithFunction && type === '_') { // allow for custom parsing
value = opts.parseWithFunction(value, input.name);
}
f.deepSet(serializedObject, keys, value, 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; }
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, {parseNumbers: true, parseBooleans: true, parseNulls: true}); } // try again with something like "parseAll"
},
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', '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'),
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(str, type, opts) {
var typeFunction, f;
f = $.serializeJSON;
// Parse with a type if available
typeFunction = opts.typeFunctions && opts.typeFunctions[type];
if (typeFunction) { return typeFunction(str); } // use specific type
// Otherwise, check if there is any auto-parse option enabled and use it.
if (opts.parseNumbers && f.isNumeric(str)) { return Number(str); } // auto: number
if (opts.parseBooleans && (str === "true" || str === "false")) { return str === "true"; } // auto: boolean
if (opts.parseNulls && str == "null") { return null; } // auto: null
// If none applies, just return the str
return str;
},
isObject: function(obj) { return obj === Object(obj); }, // is it an Object?
isUndefined: function(obj) { return obj === void 0; }, // safe check for undefined values
isValidArrayIndex: function(val) { return /^[0-9]+$/.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
// Split the input name in programatically readable keys.
// The last element is always the type (default "_").
// Examples:
// "foo" => ['foo', '_']
// "foo:string" => ['foo', 'string']
// "foo:boolean" => ['foo', 'boolean']
// "[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', '_']
// "arr[][val]:null" => ['arr', '', 'val', 'null']
splitInputNameIntoKeysArray: function(name, opts) {
var keys, nameWithoutType, type, _ref, f;
f = $.serializeJSON;
_ref = f.extractTypeFromInputName(name, opts); nameWithoutType = _ref[0]; type = _ref[1];
keys = nameWithoutType.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]")
keys.push(type); // add type at the end
return keys;
},
// Returns [name-without-type, type] from name.
// "foo" => ["foo", '_']
// "foo:boolean" => ["foo", 'boolean']
// "foo[bar]:null" => ["foo[bar]", 'null']
extractTypeFromInputName: function(name, opts) {
var match, validTypes, f;
if (match = name.match(/(.*):([^:]+)$/)){
f = $.serializeJSON;
validTypes = f.optionKeys(opts ? opts.typeFunctions : f.defaultOptions.defaultTypes);
validTypes.push('skip'); // skip is a special type that makes it easy to remove
if (validTypes.indexOf(match[2]) !== -1) {
return [match[1], match[2]];
} else {
throw new Error("serializeJSON ERROR: Invalid type " + match[2] + " found in input name '" + name + "', please use one of " + validTypes.join(', '));
}
} else {
return [name, '_']; // no defined type, then use parse options
}
},
// 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 = $.serializeJSON;
if (f.isUndefined(o)) { throw new Error("ArgumentError: param 'o' expected to be an object or array, found undefined"); }
if (!keys || keys.length === 0) { throw new Error("ArgumentError: param 'keys' expected to be an array with least one element"); }
key = keys[0];
// Only one key, then it's not a deepSet, just assign the value.
if (keys.length === 1) {
if (key === '') {
o.push(value); // '' is used to push values into the array (assume o is an array)
} else {
o[key] = value; // other keys can be used as object keys or array indexes
}
// With more keys is a deepSet. Apply recursively.
} else {
nextKey = keys[1];
// '' is used to push values into the array,
// with nextKey, set the value into the same object, in object[nextKey].
// Covers the case of ['', 'foo'] and ['', 'var'] to push the object {foo, var}, and the case of nested arrays.
if (key === '') {
lastIdx = o.length - 1; // asume o is array
lastVal = o[lastIdx];
if (f.isObject(lastVal) && (f.isUndefined(lastVal[nextKey]) || keys.length > 2)) { // if nextKey is not present in the last object element, or there are more keys to deep set
key = lastIdx; // then set the new value in the same object element
} else {
key = lastIdx + 1; // otherwise, point to set the next index in the array
}
}
// '' is used to push values into the array "array[]"
if (nextKey === '') {
if (f.isUndefined(o[key]) || !$.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]) || !$.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);
}
},
// 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, $form, opts) {
var selector, $uncheckedCheckboxes, $el, dataUncheckedValue, f;
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) {
$el = $(el);
dataUncheckedValue = $el.attr('data-unchecked-value');
if(dataUncheckedValue) { // data-unchecked-value has precedence over option opts.checkboxUncheckedValue
formAsArray.push({name: el.name, value: dataUncheckedValue});
} else {
if (!f.isUndefined(opts.checkboxUncheckedValue)) {
formAsArray.push({name: el.name, value: opts.checkboxUncheckedValue});
}
}
});
}
};
}(window.jQuery || window.Zepto || window.$));