diff --git a/.eslintrc b/.eslintrc index 1d14b72abb2bf3..bf3fc3378f2d92 100644 --- a/.eslintrc +++ b/.eslintrc @@ -87,6 +87,8 @@ rules: # Custom rules in tools/eslint-rules require-buffer: 2 + new-with-error: [2, "Error", "RangeError", "TypeError", "SyntaxError", "ReferenceError"] + # Global scoped method and vars globals: diff --git a/tools/eslint-rules/new-with-error.js b/tools/eslint-rules/new-with-error.js new file mode 100644 index 00000000000000..b0f550db2ffa2c --- /dev/null +++ b/tools/eslint-rules/new-with-error.js @@ -0,0 +1,36 @@ +/** + * @fileoverview Require `throw new Error()` rather than `throw Error()` + * @author Rich Trott + */ +'use strict'; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = function(context) { + + var errorList = context.options.length !== 0 ? context.options : ['Error']; + + return { + 'ThrowStatement': function(node) { + if (node.argument.type === 'CallExpression' && + errorList.indexOf(node.argument.callee.name) !== -1) { + context.report(node, 'Use new keyword when throwing.'); + } + } + }; +}; + +module.exports.schema = { + 'type': 'array', + 'items': [ + { + 'enum': [0, 1, 2] + } + ], + 'additionalItems': { + 'type': 'string' + }, + 'uniqueItems': true +};