migrate.jquery.json

{
	"name": "migrate",
	"title": "jQuery Migrate",
	"description": "Migrate older jQuery code to jQuery 1.9+",
	"keywords": [],
	"version": "1.0.0",
	"author": {
		"name": "jQuery Foundation, Inc. and other contributors",
		"url": "https://github.com/jquery/jquery-migrate/blob/1.0.0/AUTHORS.txt"
	},
	"licenses": [
		{
			"type": "MIT",
			"url": "https://github.com/jquery/jquery-migrate/blob/1.0.0/LICENSE-MIT"
		}
	],
	"bugs": {
		"url": "http://bugs.jquery.com/"
	},
	"homepage": "https://github.com/jquery/jquery-migrate",
	"docs": "https://github.com/jquery/jquery-migrate",
	"download": "https://github.com/jquery/jquery-migrate/blob/1.0.0/README.md#download",
	"dependencies": {
		"jquery": ">=1.6.4"
	}
}
	

Gruntfile.js: file list

	// ...

	files: [
		"src/intro.js",
		"src/migrate.js",
		"src/attributes.js",
		"src/core.js",
		"src/data.js",
		"src/manipulation.js",
		"src/event.js",
		"src/outro.js"
	],

	// ...
	

intro.js

(function( jQuery, window, undefined ) {
"use strict";
	

outro.js

})( jQuery, window );
	

Gruntfile.js: minification

  // ...

  uglify: {
    all: {
      files: {
        "dist/jquery-migrate.min.js": [
          "src/migratemute.js",
          "dist/jquery-migrate.js"
        ]
      }
    },
    options: {
      banner: "/*! jQuery Migrate v<%= pkg.version %> | (c) 2005, <%= grunt.template.today('yyyy') %> <%= pkg.author.name %> | jquery.org/license */\n",
      sourceMap: "dist/jquery-migrate.min.map",
      beautify: {
        ascii_only: true
      }
    }

  }

  // ...
	

migratemute.js

// Included only in the minified build, via Uglify2
// Only turn warnings off if not already overridden
if ( typeof jQuery.migrateMute === "undefined" ) {
	jQuery.migrateMute = true;
}
	

migrate.js

var warnedAbout = {};

// List of warnings already given; public read only
jQuery.migrateWarnings = [];

// Set to true to prevent console output;
// migrateWarnings still maintained
// jQuery.migrateMute = false;

// Set to false to disable traces that appear with
// warnings
if ( jQuery.migrateTrace === undefined ) {
	jQuery.migrateTrace = true;
}

// Forget any warnings we've already given; public
jQuery.migrateReset = function() {
	warnedAbout = {};
	jQuery.migrateWarnings.length = 0;
};

// ...
	

// ...

function migrateWarn( msg) {
  if ( !warnedAbout[ msg ] ) {
    warnedAbout[ msg ] = true;
    jQuery.migrateWarnings.push( msg );
    if ( window.console && console.warn && !jQuery.migrateMute ) {
      console.warn( "JQMIGRATE: " + msg );
      if ( jQuery.migrateTrace && console.trace ) {
        console.trace();
      }
    }
  }
}

// ...
	

From event.js

// ...

jQuery.fn.toggle = function( fn, fn2 ) {

  // Don't mess with animation or css toggles
  if ( !jQuery.isFunction( fn ) ||
       !jQuery.isFunction( fn2 ) ) {

    return oldToggle.apply( this, arguments );
  }
  migrateWarn("jQuery.fn.toggle(handler, handler...) is deprecated");

// ...
	

// ...

function migrateWarnProp( obj, prop, value, msg ) {
  if ( Object.defineProperty ) {
    // On ES5 browsers (non-oldIE), warn if the code
    // tries to get prop; allow property to be
    // overwritten in case some other plugin wants it
    try {
      Object.defineProperty( obj, prop, {
        configurable: true,
        enumerable: true,
        get: function() {
          migrateWarn( msg );
          return value;
        },
        set: function( newValue ) {
          migrateWarn( msg );
          value = newValue;
        }
      });
      return;
    } catch( err ) {
      // IE8 is a dope about Object.defineProperty,
      // can't warn there
    }
  }

  // Non-ES5 (or broken) browser; just set the property
  jQuery._definePropertyBroken = true;
  obj[ prop ] = value;
}
	

From core.js

// ...

// Warn if the code tries to get jQuery.browser
migrateWarnProp( jQuery, "browser", browser, "jQuery.browser is deprecated" );

// ...