Current File : //proc/self/root/lib/node_modules/pm2/node_modules/js-git/mixins/read-combiner.js
"use strict";
// This replaces loadAs with a version that batches concurrent requests for
// the same hash.
module.exports = function (repo) {
var pendingReqs = {};
var loadAs = repo.loadAs;
repo.loadAs = newLoadAs;
function newLoadAs(type, hash, callback) {
if (!callback) return newLoadAs.bind(null, type, hash);
var list = pendingReqs[hash];
if (list) {
if (list.type !== type) callback(new Error("Type mismatch"));
else list.push(callback);
return;
}
list = pendingReqs[hash] = [callback];
list.type = type;
loadAs.call(repo, type, hash, function () {
delete pendingReqs[hash];
for (var i = 0, l = list.length; i < l; i++) {
list[i].apply(this, arguments);
}
});
}
};
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