@essex/redux-dag-history/lib/DagHistory/createBranch.js

"use strict";
var DagGraph_1 = require("../DagGraph");
var nextId_1 = require("../nextId");
var log = require('debug')('redux-dag-history:DagHistory');
function createBranch(branchName, history) {
    log('creating branch %s', branchName);
    var graph = history.graph, current = history.current;
    var reader = new DagGraph_1.default(graph);
    return {
        current: current,
        graph: graph.withMutations(function (g) {
            var reader = new DagGraph_1.default(graph);
            var lastBranchId = reader.lastBranchId;
            var newBranchId = nextId_1.default(lastBranchId);
            return reader
                .setCurrentBranch(newBranchId)
                .setLastBranchId(newBranchId)
                .setBranchName(newBranchId, branchName)
                .setCommitted(newBranchId, reader.currentStateId)
                .setFirst(newBranchId, reader.currentStateId)
                .setLatest(newBranchId, reader.currentStateId);
        }),
    };
}
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = createBranch;