39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
import * as fs from 'fs';
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import { promisify } from '../promisify.js';
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const isCallbackMethod = (key) => {
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return [
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typeof fs[key] === 'function',
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!key.match(/Sync$/),
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!key.match(/^[A-Z]/),
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!key.match(/^create/),
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!key.match(/^(un)?watch/),
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].every(Boolean);
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};
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const adaptMethod = (name) => {
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const original = fs[name];
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return promisify(original);
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};
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const adaptAllMethods = () => {
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const adapted = {};
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Object.keys(fs).forEach((key) => {
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if (isCallbackMethod(key)) {
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if (key === 'exists') {
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// fs.exists() does not follow standard
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// Node callback conventions, and has
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// no error object in the callback
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adapted['exists'] = () => {
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throw new Error('fs.exists() is deprecated');
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};
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}
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else {
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adapted[key] = adaptMethod(key);
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}
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}
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else {
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adapted[key] = fs[key];
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}
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});
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return adapted;
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};
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module.exports = adaptAllMethods();
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