karmen/node_modules/webpack/lib/SourceMapDevToolModuleOptionsPlugin.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
"use strict";

const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");

class SourceMapDevToolModuleOptionsPlugin {
	constructor(options) {
		this.options = options;
	}

	apply(compilation) {
		const options = this.options;
		if(options.module !== false) {
			compilation.plugin("build-module", module => {
				module.useSourceMap = true;
			});
		}
		if(options.lineToLine === true) {
			compilation.plugin("build-module", module => {
				module.lineToLine = true;
			});
		} else if(options.lineToLine) {
			compilation.plugin("build-module", module => {
				if(!module.resource) return;
				let resourcePath = module.resource;
				const idx = resourcePath.indexOf("?");
				if(idx >= 0) resourcePath = resourcePath.substr(0, idx);
				module.lineToLine = ModuleFilenameHelpers.matchObject(options.lineToLine, resourcePath);
			});
		}
	}
}

module.exports = SourceMapDevToolModuleOptionsPlugin;