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no-native.js
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no-native.js
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// 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((variable) => {
if (variable.name !== ref.identifier.name) {
return false
}
// Presumably can't pass this since the implicit `Promise` global
// being checked here would always lack `defs`
// istanbul ignore else
if (!variable.defs || !variable.defs.length) {
return false
}
// istanbul ignore next
return true
})
}
module.exports = {
meta: {
type: 'suggestion',
docs: {
url: getDocsUrl('no-native'),
},
messages: {
name: '"{{name}}" is not defined.',
},
schema: [],
},
create(context) {
/**
* Checks for and reports reassigned constants
*
* @param {Scope} scope - an eslint-scope Scope object
* @returns {void}
* @private
*/
return {
'Program:exit'() {
const scope = context.getScope()
const leftToBeResolved =
scope.implicit.left ||
/**
* Fixes https://github.com/eslint-community/eslint-plugin-promise/issues/205.
* The problem was that @typescript-eslint has a scope manager
* which has `leftToBeResolved` instead of the default `left`.
*/
scope.implicit.leftToBeResolved
leftToBeResolved.forEach((ref) => {
if (ref.identifier.name !== 'Promise') {
return
}
// istanbul ignore else
if (!isDeclared(scope, ref)) {
context.report({
node: ref.identifier,
messageId: 'name',
data: { name: ref.identifier.name },
})
}
})
},
}
},
}