mirror of https://github.com/nodejs/node.git
46 lines
1.9 KiB
JavaScript
46 lines
1.9 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fixtures = require('../common/fixtures');
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common.expectWarning({
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Warning: [
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["Accessing non-existent property 'missingPropB' " +
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'of module exports inside circular dependency'],
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["Accessing non-existent property 'Symbol(someSymbol)' " +
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'of module exports inside circular dependency'],
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["Accessing non-existent property 'missingPropModuleExportsB' " +
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'of module exports inside circular dependency'],
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]
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});
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const required = require(fixtures.path('cycles', 'warning-a.js'));
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assert.strictEqual(Object.getPrototypeOf(required), Object.prototype);
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const requiredWithModuleExportsOverridden =
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require(fixtures.path('cycles', 'warning-moduleexports-a.js'));
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assert.strictEqual(Object.getPrototypeOf(requiredWithModuleExportsOverridden),
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Object.prototype);
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// If module.exports is not a regular object, no warning should be emitted.
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const classExport =
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require(fixtures.path('cycles', 'warning-moduleexports-class-a.js'));
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assert.strictEqual(Object.getPrototypeOf(classExport).name, 'Parent');
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// If module.exports.__esModule is set, no warning should be emitted.
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const esmTranspiledExport =
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require(fixtures.path('cycles', 'warning-esm-transpiled-a.js'));
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assert.strictEqual(esmTranspiledExport.__esModule, true);
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// If module.exports.__esModule is being accessed but is not present, e.g.
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// because only the one of the files is a transpiled ES module, no warning
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// should be emitted.
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const halfTranspiledExport =
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require(fixtures.path('cycles', 'warning-esm-half-transpiled-a.js'));
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assert.strictEqual(halfTranspiledExport.__esModule, undefined);
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// No circular check is done to prevent triggering proxy traps, if
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// module.exports is set to a proxy that contains a `getPrototypeOf` or
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// `setPrototypeOf` trap.
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require(fixtures.path('cycles', 'warning-skip-proxy-traps-a.js'));
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