react-router-ga/example/node_modules/webpack/lib/SourceMapDevToolModuleOptionsPlugin.js

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/*
	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.hooks.buildModule.tap(
				"SourceMapDevToolModuleOptionsPlugin",
				module => {
					module.useSourceMap = true;
				}
			);
		}
		if (options.lineToLine === true) {
			compilation.hooks.buildModule.tap(
				"SourceMapDevToolModuleOptionsPlugin",
				module => {
					module.lineToLine = true;
				}
			);
		} else if (options.lineToLine) {
			compilation.hooks.buildModule.tap(
				"SourceMapDevToolModuleOptionsPlugin",
				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;