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1 window.wp = window.wp || {}; |
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2 |
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3 (function ($) { |
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4 // Check for the utility settings. |
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5 var settings = typeof _wpUtilSettings === 'undefined' ? {} : _wpUtilSettings; |
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6 |
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7 /** |
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8 * wp.template( id ) |
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9 * |
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10 * Fetches a template by id. |
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11 * |
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12 * @param {string} id A string that corresponds to a DOM element with an id prefixed with "tmpl-". |
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13 * For example, "attachment" maps to "tmpl-attachment". |
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14 * @return {function} A function that lazily-compiles the template requested. |
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15 */ |
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16 wp.template = _.memoize(function ( id ) { |
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17 var compiled, |
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18 options = { |
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19 evaluate: /<#([\s\S]+?)#>/g, |
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20 interpolate: /\{\{\{([\s\S]+?)\}\}\}/g, |
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21 escape: /\{\{([^\}]+?)\}\}(?!\})/g, |
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22 variable: 'data' |
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23 }; |
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24 |
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25 return function ( data ) { |
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26 compiled = compiled || _.template( $( '#tmpl-' + id ).html(), null, options ); |
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27 return compiled( data ); |
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28 }; |
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29 }); |
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30 |
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31 // wp.ajax |
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32 // ------ |
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33 // |
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34 // Tools for sending ajax requests with JSON responses and built in error handling. |
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35 // Mirrors and wraps jQuery's ajax APIs. |
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36 wp.ajax = { |
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37 settings: settings.ajax || {}, |
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38 |
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39 /** |
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40 * wp.ajax.post( [action], [data] ) |
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41 * |
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42 * Sends a POST request to WordPress. |
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43 * |
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44 * @param {string} action The slug of the action to fire in WordPress. |
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45 * @param {object} data The data to populate $_POST with. |
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46 * @return {$.promise} A jQuery promise that represents the request. |
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47 */ |
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48 post: function( action, data ) { |
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49 return wp.ajax.send({ |
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50 data: _.isObject( action ) ? action : _.extend( data || {}, { action: action }) |
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51 }); |
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52 }, |
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53 |
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54 /** |
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55 * wp.ajax.send( [action], [options] ) |
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56 * |
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57 * Sends a POST request to WordPress. |
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58 * |
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59 * @param {string} action The slug of the action to fire in WordPress. |
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60 * @param {object} options The options passed to jQuery.ajax. |
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61 * @return {$.promise} A jQuery promise that represents the request. |
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62 */ |
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63 send: function( action, options ) { |
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64 if ( _.isObject( action ) ) { |
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65 options = action; |
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66 } else { |
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67 options = options || {}; |
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68 options.data = _.extend( options.data || {}, { action: action }); |
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69 } |
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70 |
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71 options = _.defaults( options || {}, { |
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72 type: 'POST', |
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73 url: wp.ajax.settings.url, |
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74 context: this |
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75 }); |
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76 |
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77 return $.Deferred( function( deferred ) { |
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78 // Transfer success/error callbacks. |
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79 if ( options.success ) |
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80 deferred.done( options.success ); |
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81 if ( options.error ) |
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82 deferred.fail( options.error ); |
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83 |
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84 delete options.success; |
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85 delete options.error; |
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86 |
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87 // Use with PHP's wp_send_json_success() and wp_send_json_error() |
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88 $.ajax( options ).done( function( response ) { |
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89 // Treat a response of `1` as successful for backwards |
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90 // compatibility with existing handlers. |
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91 if ( response === '1' || response === 1 ) |
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92 response = { success: true }; |
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93 |
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94 if ( _.isObject( response ) && ! _.isUndefined( response.success ) ) |
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95 deferred[ response.success ? 'resolveWith' : 'rejectWith' ]( this, [response.data] ); |
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96 else |
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97 deferred.rejectWith( this, [response] ); |
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98 }).fail( function() { |
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99 deferred.rejectWith( this, arguments ); |
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100 }); |
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101 }).promise(); |
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102 } |
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103 }; |
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104 |
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105 }(jQuery)); |