67 lines
1.4 KiB
JavaScript
67 lines
1.4 KiB
JavaScript
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// Borrowed from here:
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// https://github.com/colonyamerican/eslint-plugin-cah/issues/3
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'use strict'
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const getDocsUrl = require('./lib/get-docs-url')
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function isDeclared(scope, ref) {
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return scope.variables.some((variable) => {
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if (variable.name !== ref.identifier.name) {
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return false
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}
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// Presumably can't pass this since the implicit `Promise` global
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// being checked here would always lack `defs`
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// istanbul ignore else
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if (!variable.defs || !variable.defs.length) {
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return false
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}
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// istanbul ignore next
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return true
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})
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}
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module.exports = {
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meta: {
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type: 'suggestion',
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docs: {
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url: getDocsUrl('no-native'),
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},
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messages: {
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name: '"{{name}}" is not defined.',
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},
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schema: [],
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},
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create(context) {
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/**
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* Checks for and reports reassigned constants
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*
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* @param {Scope} scope - an escope Scope object
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* @returns {void}
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* @private
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*/
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return {
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'Program:exit'() {
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const scope = context.getScope()
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scope.implicit.left.forEach((ref) => {
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if (ref.identifier.name !== 'Promise') {
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return
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}
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// istanbul ignore else
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if (!isDeclared(scope, ref)) {
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context.report({
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node: ref.identifier,
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messageId: 'name',
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data: { name: ref.identifier.name },
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})
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}
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})
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},
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}
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},
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}
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