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keksAccountGUI/node_modulesOLD/enhanced-resolve/lib/FileExistsPlugin.js

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2019-08-11 18:48:02 +00:00
/*
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);
});
});
}
};