gree_leran/node_modules/webpack/lib/dependencies/LocalModulesHelpers.js

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JavaScript
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2024-06-14 01:11:29 +00:00
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const LocalModule = require("./LocalModule");
/** @typedef {import("../javascript/JavascriptParser").ParserState} ParserState */
/**
* @param {string} parent parent module
* @param {string} mod module to resolve
* @returns {string} resolved module
*/
const lookup = (parent, mod) => {
if (mod.charAt(0) !== ".") return mod;
var path = parent.split("/");
var segments = mod.split("/");
path.pop();
for (let i = 0; i < segments.length; i++) {
const seg = segments[i];
if (seg === "..") {
path.pop();
} else if (seg !== ".") {
path.push(seg);
}
}
return path.join("/");
};
/**
* @param {ParserState} state parser state
* @param {string} name name
* @returns {LocalModule} local module
*/
exports.addLocalModule = (state, name) => {
if (!state.localModules) {
state.localModules = [];
}
const m = new LocalModule(name, state.localModules.length);
state.localModules.push(m);
return m;
};
/**
* @param {ParserState} state parser state
* @param {string} name name
* @param {string} [namedModule] named module
* @returns {LocalModule | null} local module or null
*/
exports.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;
};