34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
|
'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 cwd = parentPath ? path.dirname(parentPath) : __dirname;
|
||
|
|
const filePath = resolveFrom(cwd, 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
|
||
|
|
};
|