src/serialize.js

   1 import jQuery from "./core.js";
   2 import toType from "./core/toType.js";
   3 import rcheckableType from "./var/rcheckableType.js";
   4
   5 import "./core/init.js";
   6 import "./traversing.js"; // filter
   7 import "./attributes/prop.js";
   8
   9 var
  10         rbracket = /\[\]$/,
  11         rCRLF = /\r?\n/g,
  12         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
  13         rsubmittable = /^(?:input|select|textarea|keygen)/i;
  14
  15 function buildParams( prefix, obj, traditional, add ) {
  16         var name;
  17
  18         if ( Array.isArray( obj ) ) {
  19
  20                 // Serialize array item.
  21                 jQuery.each( obj, function( i, v ) {
  22                         if ( traditional || rbracket.test( prefix ) ) {
  23
  24                                 // Treat each array item as a scalar.
  25                                 add( prefix, v );
  26
  27                         } else {
  28
  29                                 // Item is non-scalar (array or object), encode its numeric index.
  30                                 buildParams(
  31                                         prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
  32                                         v,
  33                                         traditional,
  34                                         add
  35                                 );
  36                         }
  37                 } );
  38
  39         } else if ( !traditional && toType( obj ) === "object" ) {
  40
  41                 // Serialize object item.
  42                 for ( name in obj ) {
  43                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
  44                 }
  45
  46         } else {
  47
  48                 // Serialize scalar item.
  49                 add( prefix, obj );
  50         }
  51 }
  52
  53 // Serialize an array of form elements or a set of
  54 // key/values into a query string
  55 jQuery.param = function( a, traditional ) {
  56         var prefix,
  57                 s = [],
  58                 add = function( key, valueOrFunction ) {
  59
  60                         // If value is a function, invoke it and use its return value
  61                         var value = typeof valueOrFunction === "function" ?
  62                                 valueOrFunction() :
  63                                 valueOrFunction;
  64
  65                         s[ s.length ] = encodeURIComponent( key ) + "=" +
  66                                 encodeURIComponent( value == null ? "" : value );
  67                 };
  68
  69         if ( a == null ) {
  70                 return "";
  71         }
  72
  73         // If an array was passed in, assume that it is an array of form elements.
  74         if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
  75
  76                 // Serialize the form elements
  77                 jQuery.each( a, function() {
  78                         add( this.name, this.value );
  79                 } );
  80
  81         } else {
  82
  83                 // If traditional, encode the "old" way (the way 1.3.2 or older
  84                 // did it), otherwise encode params recursively.
  85                 for ( prefix in a ) {
  86                         buildParams( prefix, a[ prefix ], traditional, add );
  87                 }
  88         }
  89
  90         // Return the resulting serialization
  91         return s.join( "&" );
  92 };
  93
  94 jQuery.fn.extend( {
  95         serialize: function() {
  96                 return jQuery.param( this.serializeArray() );
  97         },
  98         serializeArray: function() {
  99                 return this.map( function() {
 100
 101                         // Can add propHook for "elements" to filter or add form elements
 102                         var elements = jQuery.prop( this, "elements" );
 103                         return elements ? jQuery.makeArray( elements ) : this;
 104                 } ).filter( function() {
 105                         var type = this.type;
 106
 107                         // Use .is( ":disabled" ) so that fieldset[disabled] works
 108                         return this.name && !jQuery( this ).is( ":disabled" ) &&
 109                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
 110                                 ( this.checked || !rcheckableType.test( type ) );
 111                 } ).map( function( _i, elem ) {
 112                         var val = jQuery( this ).val();
 113
 114                         if ( val == null ) {
 115                                 return null;
 116                         }
 117
 118                         if ( Array.isArray( val ) ) {
 119                                 return jQuery.map( val, function( val ) {
 120                                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
 121                                 } );
 122                         }
 123
 124                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
 125                 } ).get();
 126         }
 127 } );
 128
 129 export default jQuery;