source: trip-planner-front/node_modules/import-fresh/index.js@ ceaed42

Last change on this file since ceaed42 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.1 KB
Line 
1'use strict';
2const path = require('path');
3const resolveFrom = require('resolve-from');
4const parentModule = require('parent-module');
5
6module.exports = moduleId => {
7 if (typeof moduleId !== 'string') {
8 throw new TypeError('Expected a string');
9 }
10
11 const parentPath = parentModule(__filename);
12
13 const cwd = parentPath ? path.dirname(parentPath) : __dirname;
14 const filePath = resolveFrom(cwd, moduleId);
15
16 const oldModule = require.cache[filePath];
17 // Delete itself from module parent
18 if (oldModule && oldModule.parent) {
19 let i = oldModule.parent.children.length;
20
21 while (i--) {
22 if (oldModule.parent.children[i].id === filePath) {
23 oldModule.parent.children.splice(i, 1);
24 }
25 }
26 }
27
28 delete require.cache[filePath]; // Delete module from cache
29
30 const parent = require.cache[parentPath]; // If `filePath` and `parentPath` are the same, cache will already be deleted so we won't get a memory leak in next step
31
32 return parent === undefined ? require(filePath) : parent.require(filePath); // In case cache doesn't have parent, fall back to normal require
33};
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