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19 lines
408 B
19 lines
408 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 strict-local
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* @format
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*/
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'use strict';
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const newline = /\r\n?|\n|\u2028|\u2029/g;
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const countLines = (string: string): number =>
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(string.match(newline) || []).length + 1;
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module.exports = countLines;
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