Add no-load rule

Author: dgraham

README.md

@@ -49,6 +49,7 @@ Add `jquery` to the plugins section of your `.eslintrc` configuration file. You
     "jquery/no-html": 2,
     "jquery/no-in-array": 2,
     "jquery/no-is": 2,
+    "jquery/no-load": 2,
     "jquery/no-map": 2,
     "jquery/no-merge": 2,
     "jquery/no-param": 2,

index.js

@@ -23,6 +23,7 @@ module.exports = {
     'no-html': require('./rules/no-html'),
     'no-in-array': require('./rules/no-in-array'),
     'no-is': require('./rules/no-is'),
+    'no-load': require('./rules/no-load'),
     'no-map': require('./rules/no-map'),
     'no-merge': require('./rules/no-merge'),
     'no-param': require('./rules/no-param'),
@@ -70,6 +71,7 @@ module.exports = {
         "jquery/no-html": 2,
         "jquery/no-in-array": 2,
         "jquery/no-is": 2,
+        "jquery/no-load": 2,
         "jquery/no-map": 2,
         "jquery/no-merge": 2,
         "jquery/no-param": 2,
@@ -100,6 +102,7 @@ module.exports = {
         "jquery/no-animate": 2,
         "jquery/no-fade": 2,
         "jquery/no-hide": 2,
+        "jquery/no-load": 2,
         "jquery/no-param": 2,
         "jquery/no-serialize": 2,
         "jquery/no-show": 2,

rules/no-load.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const utils = require('./utils.js')
+
+module.exports = function(context) {
+  return {
+    CallExpression: function(node) {
+      if (node.callee.type !== 'MemberExpression') return
+      if (node.callee.property.name !== 'load') return
+
+      if (utils.isjQuery(node)) {
+        context.report({
+          node: node,
+          message: 'Prefer fetch to $.load'
+        })
+      }
+    }
+  }
+}
+
+module.exports.schema = []

tests/no-load.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const rule = require('../rules/no-load')
+const RuleTester = require('eslint').RuleTester
+
+const error = 'Prefer fetch to $.load'
+
+const ruleTester = new RuleTester()
+ruleTester.run('no-load', rule, {
+  valid: [
+    'load()',
+    '[].load()',
+    'div.load()',
+    'div.load'
+  ],
+  invalid: [
+    {
+      code: '$("div").load()',
+      errors: [{message: error, type: 'CallExpression'}]
+    },
+    {
+      code: '$div.load()',
+      errors: [{message: error, type: 'CallExpression'}]
+    },
+    {
+      code: '$("div").first().load()',
+      errors: [{message: error, type: 'CallExpression'}]
+    },
+    {
+      code: '$("div").append($("input").load())',
+      errors: [{message: error, type: 'CallExpression'}]
+    }
+  ]
+})