49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
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'use strict';
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// This tests a pirates-like load hook works.
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require('../common');
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const assert = require('assert');
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const fixtures = require('../common/fixtures');
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const { readFileSync } = require('fs');
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const loader = require('../fixtures/module-hooks/load-from-this-dir');
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const { addHook } = require('../fixtures/module-hooks/add-hook');
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const matcherArgs = [];
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function matcher(filename) {
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matcherArgs.push(filename);
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return true;
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}
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const hookArgs = [];
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function hook(code, filename) {
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hookArgs.push({ code, filename });
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return code.replace('$key', 'hello');
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}
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const revert = addHook(hook, { exts: ['.js'], matcher });
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{
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const foo = loader.require('foo');
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const filename = fixtures.path('module-hooks', 'node_modules', 'foo', 'foo.js');
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assert.deepStrictEqual(matcherArgs, [filename]);
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const code = readFileSync(filename, 'utf-8');
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assert.deepStrictEqual(hookArgs, [{ code, filename }]);
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assert.deepStrictEqual(foo, { hello: 'foo' });
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}
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matcherArgs.splice(0, 1);
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hookArgs.splice(0, 1);
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revert();
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// Later loads are unaffected.
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{
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const bar = loader.require('bar');
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assert.deepStrictEqual(matcherArgs, []);
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assert.deepStrictEqual(hookArgs, []);
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assert.deepStrictEqual(bar, { $key: 'bar' });
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}
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