forked from zhurui/management
42 lines
1.0 KiB
JavaScript
42 lines
1.0 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
"use strict";
|
|
|
|
module.exports = class FileExistsPlugin {
|
|
constructor(source, target) {
|
|
this.source = source;
|
|
this.target = target;
|
|
}
|
|
|
|
apply(resolver) {
|
|
const target = resolver.ensureHook(this.target);
|
|
const fs = resolver.fileSystem;
|
|
resolver
|
|
.getHook(this.source)
|
|
.tapAsync("FileExistsPlugin", (request, resolveContext, callback) => {
|
|
const file = request.path;
|
|
fs.stat(file, (err, stat) => {
|
|
if (err || !stat) {
|
|
if (resolveContext.missing) resolveContext.missing.add(file);
|
|
if (resolveContext.log) resolveContext.log(file + " doesn't exist");
|
|
return callback();
|
|
}
|
|
if (!stat.isFile()) {
|
|
if (resolveContext.missing) resolveContext.missing.add(file);
|
|
if (resolveContext.log) resolveContext.log(file + " is not a file");
|
|
return callback();
|
|
}
|
|
resolver.doResolve(
|
|
target,
|
|
request,
|
|
"existing file: " + file,
|
|
resolveContext,
|
|
callback
|
|
);
|
|
});
|
|
});
|
|
}
|
|
};
|