4ac9c7afe2
* Upgrade to ESLint v7 * Upgrade eslint-plugin-import * Update peer deps * Remove max-len from ESLint config * Update tests * Only test babel-eslint-* packages in Node >=10 * Remove babel-eslint * Fix linking in dev * Add comment to Makefile * Fix e2e tests * Add --ignore-engines flag when installing in ESLint packages * fix: convert tt.questionDot to Punctuator * chore: update lockfile Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>
79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
import rule from "../../src/rules/no-undefined-identifier";
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import RuleTester from "../../../babel-eslint-shared-fixtures/utils/RuleTester";
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const error =
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"Use path.scope.buildUndefinedNode() to create an undefined identifier directly.";
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const ruleTester = new RuleTester({
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parserOptions: { sourceType: "module" },
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});
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ruleTester.run("no-undefined-identifier", rule, {
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valid: [
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`_.identifier("undefined")`,
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`_.Identifier("undefined")`,
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`import * as t from "lib"; t.identifier("undefined");`,
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`function f(_) { _.types.identifier("undefined"); }`,
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`import * as t from "@babel/types"; t.identifier("not_undefined");`,
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`path.scope.buildUndefinedNode();`,
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],
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invalid: [
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{
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code: `import { identifier } from "@babel/types"; identifier("undefined");`,
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errors: [error],
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},
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{
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code: `import { Identifier } from "@babel/types"; Identifier("undefined");`,
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errors: [error],
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},
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{
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code: `import * as t from "@babel/types"; t.identifier("undefined");`,
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errors: [error],
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},
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{
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code: `import * as t from "@babel/types"; var { identifier } = t; identifier("undefined");`,
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errors: [error],
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},
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{
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code: `import { identifier as id } from "@babel/types"; id("undefined");`,
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errors: [error],
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},
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{
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code: `import * as babel from "@babel/core"; babel.types.identifier("undefined");`,
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errors: [error],
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},
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{
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code: `import { types } from "@babel/core"; types.identifier("undefined");`,
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errors: [error],
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},
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{
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code: `import { types as t } from "@babel/core"; t.identifier("undefined");`,
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errors: [error],
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},
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{
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code: `export default function plugin(babel) { babel.types.identifier("undefined") }`,
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errors: [error],
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},
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{
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code: `export default function plugin({ types }) { types.identifier("undefined") }`,
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errors: [error],
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},
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{
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code: `export default function plugin({ types: t }) { t.identifier("undefined") }`,
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errors: [error],
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},
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{
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code: `export default ({ types }) => { types.identifier("undefined") }`,
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errors: [error],
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},
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{
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code: `module.exports = function plugin({ types }) { types.identifier("undefined") }`,
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errors: [error],
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},
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{
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code: `import { declare } from "@babel/helper-plugin-utils"; declare(({ types }) => { types.identifier("undefined") });`,
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errors: [error],
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},
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],
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});
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