aaac7fed
 liuqimichale
add
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
var getPaths = require("./getPaths");
var forEachBail = require("./forEachBail");
function SymlinkPlugin(source, target) {
this.source = source;
this.target = target;
}
module.exports = SymlinkPlugin;
SymlinkPlugin.prototype.apply = function(resolver) {
var target = this.target;
resolver.plugin(this.source, function(request, callback) {
var _this = this;
var fs = _this.fileSystem;
var pathsResult = getPaths(request.path);
var pathSeqments = pathsResult.seqments;
var paths = pathsResult.paths;
var containsSymlink = false;
forEachBail.withIndex(paths, function(path, idx, callback) {
fs.readlink(path, function(err, result) {
if(!err && result) {
pathSeqments[idx] = result;
containsSymlink = true;
// Shortcut when absolute symlink found
if(/^(\/|[a-zA-z]:($|\\))/.test(result))
return callback(null, idx);
}
callback();
});
}, function(err, idx) {
if(!containsSymlink) return callback();
var resultSeqments = typeof idx === "number" ? pathSeqments.slice(0, idx + 1) : pathSeqments.slice();
var result = resultSeqments.reverse().reduce(function(a, b) {
return _this.join(a, b);
});
var obj = Object.assign({}, request, {
path: result
});
resolver.doResolve(target, obj, "resolved symlink to " + result, callback);
});
});
};
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