| 1 | const fs = require('fs');
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| 2 |
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| 3 | function readFileContent(filename /*: string */) {
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| 4 | return new Promise((resolve, reject) => {
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| 5 | fs.readFile(filename, 'utf-8', (err, content) => {
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| 6 | if (err) {
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| 7 | return reject(err);
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| 8 | }
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| 9 |
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| 10 | resolve(content);
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| 11 | });
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| 12 | });
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| 13 | }
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| 14 |
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| 15 | function isFilePresent(filename /*: string */) /*: Promise<boolean> */ {
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| 16 | return new Promise(resolve => fs.exists(filename, resolve));
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| 17 | }
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| 18 |
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| 19 | module.exports = {
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| 20 | readFileContent,
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| 21 | isFilePresent
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| 22 | };
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