31 lines
634 B
TypeScript
31 lines
634 B
TypeScript
import { RuleTester } from "./support/RuleTester";
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import rule = require("../rules/no-in-operator");
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const ruleTester = new RuleTester({
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parserOptions: {
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warnOnUnsupportedTypeScriptVersion: false,
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},
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parser: require.resolve("@typescript-eslint/parser"),
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});
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ruleTester.run("no-in-operator", rule, {
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valid: [
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{
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code: `
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const prop = {};
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prop.hasProperty('a');
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`,
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},
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],
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invalid: [
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{
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code: `
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const prop = {};
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prop in 'a';
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`,
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errors: [{ messageId: "noInOperatorError" }],
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},
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],
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});
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