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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const LocalModule = require("./LocalModule");
const LocalModulesHelpers = exports;
const lookup = (parent, mod) => {
if (mod.charAt(0) !== ".") return mod;
var path = parent.split("/");
var segs = mod.split("/");
path.pop();
for (let i = 0; i < segs.length; i++) {
const seg = segs[i];
if (seg === "..") {
path.pop();
} else if (seg !== ".") {
path.push(seg);
}
}
return path.join("/");
};
LocalModulesHelpers.addLocalModule = (state, name) => {
if (!state.localModules) {
state.localModules = [];
}
const m = new LocalModule(state.module, name, state.localModules.length);
state.localModules.push(m);
return m;
};
LocalModulesHelpers.getLocalModule = (state, name, namedModule) => {
if (!state.localModules) return null;
if (namedModule) {
// resolve dependency name relative to the defining named module
name = lookup(namedModule, name);
}
for (let i = 0; i < state.localModules.length; i++) {
if (state.localModules[i].name === name) {
return state.localModules[i];
}
}
return null;
};
module.exports = LocalModulesHelpers;