| // Borrowed from here: |
| // https://github.com/colonyamerican/eslint-plugin-cah/issues/3 |
| |
| 'use strict' |
| |
| 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 = { |
| create: function (context) { |
| var 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 () { |
| var scope = context.getScope() |
| |
| scope.implicit.left.forEach(function (ref) { |
| if (ref.identifier.name !== 'Promise') { |
| return |
| } |
| |
| if (!isDeclared(scope, ref)) { |
| context.report(ref.identifier, MESSAGE, { name: ref.identifier.name }) |
| } |
| }) |
| } |
| } |
| } |
| } |