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1 define( [
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2 "../core",
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3 "../var/document",
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4 "../ajax"
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5 ], function( jQuery, document ) {
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6
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7 "use strict";
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8
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9 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
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10 jQuery.ajaxPrefilter( function( s ) {
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11 if ( s.crossDomain ) {
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12 s.contents.script = false;
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13 }
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14 } );
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15
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16 // Install script dataType
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17 jQuery.ajaxSetup( {
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18 accepts: {
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19 script: "text/javascript, application/javascript, " +
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20 "application/ecmascript, application/x-ecmascript"
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21 },
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22 contents: {
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23 script: /\b(?:java|ecma)script\b/
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24 },
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25 converters: {
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26 "text script": function( text ) {
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27 jQuery.globalEval( text );
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28 return text;
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29 }
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30 }
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31 } );
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32
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33 // Handle cache's special case and crossDomain
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34 jQuery.ajaxPrefilter( "script", function( s ) {
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35 if ( s.cache === undefined ) {
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36 s.cache = false;
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37 }
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38 if ( s.crossDomain ) {
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39 s.type = "GET";
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40 }
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41 } );
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42
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43 // Bind script tag hack transport
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44 jQuery.ajaxTransport( "script", function( s ) {
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45
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46 // This transport only deals with cross domain requests
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47 if ( s.crossDomain ) {
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48 var script, callback;
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49 return {
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50 send: function( _, complete ) {
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51 script = jQuery( "<script>" ).prop( {
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52 charset: s.scriptCharset,
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53 src: s.url
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54 } ).on(
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55 "load error",
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56 callback = function( evt ) {
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57 script.remove();
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58 callback = null;
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59 if ( evt ) {
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60 complete( evt.type === "error" ? 404 : 200, evt.type );
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61 }
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62 }
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63 );
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64
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65 // Use native DOM manipulation to avoid our domManip AJAX trickery
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66 document.head.appendChild( script[ 0 ] );
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67 },
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68 abort: function() {
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69 if ( callback ) {
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70 callback();
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71 }
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72 }
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73 };
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74 }
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75 } );
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76
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77 } );
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