/usr/local/lib/node_modules/pm2/node_modules/js-git/mixins
Edit: /usr/local/lib/node_modules/pm2/node_modules/js-git/mixins/mem-db.js (2289B)
"use strict";
var defer = require('../lib/defer.js');
var codec = require('../lib/object-codec.js');
var sha1 = require('git-sha1');
module.exports = mixin;
var isHash = /^[0-9a-f]{40}$/;
function mixin(repo) {
var objects = {};
var refs = {};
repo.saveAs = saveAs;
repo.loadAs = loadAs;
repo.saveRaw = saveRaw;
repo.loadRaw = loadRaw;
repo.hasHash = hasHash;
repo.readRef = readRef;
repo.updateRef = updateRef;
repo.listRefs = listRefs;
function readRef(ref, callback) {
return makeAsync(function () {
return refs[ref];
}, callback);
}
function listRefs(prefix, callback) {
return makeAsync(function () {
var regex = prefix && new RegExp("^" + prefix + "[/$]");
var out = {};
Object.keys(refs).forEach(function (name) {
if (regex && !regex.test(name)) return;
out[name] = refs[name];
});
return out;
}, callback);
}
function updateRef(ref, hash, callback) {
return makeAsync(function () {
return (refs[ref] = hash);
}, callback);
}
function hasHash(hash, callback) {
return makeAsync(function () {
if (!isHash.test(hash)) hash = refs[hash];
return hash in objects;
}, callback);
}
function saveAs(type, body, callback) {
return makeAsync(function () {
var buffer = codec.frame({type:type,body:body});
var hash = sha1(buffer);
objects[hash] = buffer;
return hash;
}, callback);
}
function saveRaw(hash, buffer, callback) {
return makeAsync(function () {
objects[hash] = buffer;
}, callback);
}
function loadAs(type, hash, callback) {
return makeAsync(function () {
if (!isHash.test(hash)) hash = refs[hash];
var buffer = objects[hash];
if (!buffer) return [];
var obj = codec.deframe(buffer, true);
if (obj.type !== type) throw new TypeError("Type mismatch");
return obj.body;
}, callback);
}
function loadRaw(hash, callback) {
return makeAsync(function () {
return objects[hash];
}, callback);
}
}
function makeAsync(fn, callback) {
if (!callback) return makeAsync.bind(null, fn);
defer(function () {
var out;
try { out = fn(); }
catch (err) { return callback(err); }
callback(null, out);
});
}