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