| // Borrowed from here: |
| // https://github.com/colonyamerican/eslint-plugin-cah/issues/3 |
| |
| 'use strict' |
| |
| const getDocsUrl = require('./lib/get-docs-url') |
| |
| function isDeclared(scope, ref) { |
| return scope.variables.some(function(variable) { |
| if (variable.name !== ref.identifier.name) { |
| return false |
| } |
| |
| if (!variable.defs || !variable.defs.length) { |
| return false |
| } |
| |
| return true |
| }) |
| } |
| |
| module.exports = { |
| meta: { |
| docs: { |
| url: getDocsUrl('no-native') |
| } |
| }, |
| create: function(context) { |
| const MESSAGE = '"{{name}}" is not defined.' |
| |
| /** |
| * Checks for and reports reassigned constants |
| * |
| * @param {Scope} scope - an escope Scope object |
| * @returns {void} |
| * @private |
| */ |
| return { |
| 'Program:exit': function() { |
| const scope = context.getScope() |
| |
| scope.implicit.left.forEach(function(ref) { |
| if (ref.identifier.name !== 'Promise') { |
| return |
| } |
| |
| if (!isDeclared(scope, ref)) { |
| context.report({ |
| node: ref.identifier, |
| message: MESSAGE, |
| data: { name: ref.identifier.name } |
| }) |
| } |
| }) |
| } |
| } |
| } |
| } |