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38 lines
793 B
38 lines
793 B
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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* @format
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*/
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'use strict';
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import type {YargArguments} from 'metro-config/src/configTypes.flow';
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const fs = require('fs-extra');
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exports.watchFile = async function (
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filename: string,
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callback: () => any,
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): Promise<void> {
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fs.watchFile(filename, () => {
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callback();
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});
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await callback();
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};
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exports.makeAsyncCommand =
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(
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command: (argv: YargArguments) => Promise<void>,
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): ((argv: YargArguments) => void) =>
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(argv: YargArguments) => {
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Promise.resolve(command(argv)).catch(error => {
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console.error(error.stack);
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process.exitCode = 1;
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});
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};
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