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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;
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