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