blob: 425ed98c42f68ebb48e2b9d2622109c9f360a861 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
'use strict';
const path = require('path');
const resolveFrom = require('resolve-from');
const parentModule = require('parent-module');
module.exports = moduleId => {
if (typeof moduleId !== 'string') {
throw new TypeError('Expected a string');
}
const parentPath = parentModule(__filename);
const filePath = resolveFrom(path.dirname(parentPath), moduleId);
const oldModule = require.cache[filePath];
// Delete itself from module parent
if (oldModule && oldModule.parent) {
let i = oldModule.parent.children.length;
while (i--) {
if (oldModule.parent.children[i].id === filePath) {
oldModule.parent.children.splice(i, 1);
}
}
}
delete require.cache[filePath]; // Delete module from cache
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
return parent === undefined ? require(filePath) : parent.require(filePath); // In case cache doesn't have parent, fall back to normal require
};
|
