47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
|
/*
|
||
|
|
Copyright (c) 2014 Google Inc. All rights reserved.
|
||
|
|
|
||
|
|
Use of this source code is governed by the MIT License, available in this package's LICENSE file
|
||
|
|
or at http://opensource.org/licenses/MIT.
|
||
|
|
*/
|
||
|
|
const path = require('path');
|
||
|
|
|
||
|
|
function resolvePaths({filepath}, paths) {
|
||
|
|
if (!paths) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
return paths.slice(0).map(p => path.resolve(filepath, p));
|
||
|
|
}
|
||
|
|
|
||
|
|
function requirePaths(parentModule, opts) {
|
||
|
|
const result = {
|
||
|
|
before: [],
|
||
|
|
after: []
|
||
|
|
};
|
||
|
|
|
||
|
|
if (!parentModule) {
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (Array.isArray(opts)) {
|
||
|
|
result.before = resolvePaths(parentModule, opts);
|
||
|
|
} else {
|
||
|
|
result.before = resolvePaths(parentModule, opts.before);
|
||
|
|
result.after = resolvePaths(parentModule, opts.after);
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
exports.before = function before(targetPath, parentModule, opts) {
|
||
|
|
const resolvedPaths = requirePaths(parentModule, opts);
|
||
|
|
|
||
|
|
return `module.paths = ${JSON.stringify(resolvedPaths.before)}.concat(module.paths)` +
|
||
|
|
`.concat(${JSON.stringify(resolvedPaths.after)}); `;
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.after = function after() {
|
||
|
|
return '';
|
||
|
|
};
|