Bypass Manager Pro

Editing: LoaderRunner.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
var fs = require("fs");
var readFile = fs.readFile.bind(fs);
var loadLoader = require("./loadLoader");

function utf8BufferToString(buf) {
	var str = buf.toString("utf-8");
	if(str.charCodeAt(0) === 0xFEFF) {
		return str.substr(1);
	} else {
		return str;
	}
}

const PATH_QUERY_FRAGMENT_REGEXP = /^((?:\0.|[^?#\0])*)(\?(?:\0.|[^#\0])*)?(#.*)?$/;

/**
 * @param {string} str the path with query and fragment
 * @returns {{ path: string, query: string, fragment: string }} parsed parts
 */
function parsePathQueryFragment(str) {
	var match = PATH_QUERY_FRAGMENT_REGEXP.exec(str);
	return {
		path: match[1].replace(/\0(.)/g, "$1"),
		query: match[2] ? match[2].replace(/\0(.)/g, "$1") : "",
		fragment: match[3] || ""
	};
}

function dirname(path) {
	if(path === "/") return "/";
	var i = path.lastIndexOf("/");
	var j = path.lastIndexOf("\\");
	var i2 = path.indexOf("/");
	var j2 = path.indexOf("\\");
	var idx = i > j ? i : j;
	var idx2 = i > j ? i2 : j2;
	if(idx < 0) return path;
	if(idx === idx2) return path.substr(0, idx + 1);
	return path.substr(0, idx);
}

}

function convertArgs(args, raw) {
	if(!raw && Buffer.isBuffer(args[0]))
		args[0] = utf8BufferToString(args[0]);
	else if(raw && typeof args[0] === "string")
		args[0] = Buffer.from(args[0], "utf-8");
}

function iteratePitchingLoaders(options, loaderContext, callback) {
	// abort after last loader
	if(loaderContext.loaderIndex >= loaderContext.loaders.length)
		return processResource(options, loaderContext, callback);

var currentLoaderObject = loaderContext.loaders[loaderContext.loaderIndex];

// iterate
	if(currentLoaderObject.pitchExecuted) {
		loaderContext.loaderIndex++;
		return iteratePitchingLoaders(options, loaderContext, callback);
	}

// load loader module
	loadLoader(currentLoaderObject, function(err) {
		if(err) {
			loaderContext.cacheable(false);
			return callback(err);
		}
		var fn = currentLoaderObject.pitch;
		currentLoaderObject.pitchExecuted = true;
		if(!fn) return iteratePitchingLoaders(options, loaderContext, callback);

runSyncOrAsync(
			fn,
			loaderContext, [loaderContext.remainingRequest, loaderContext.previousRequest, currentLoaderObject.data = {}],
			function(err) {
				if(err) return callback(err);
				var args = Array.prototype.slice.call(arguments, 1);
				// Determine whether to continue the pitching process based on
				// argument values (as opposed to argument presence) in order
				// to support synchronous and asynchronous usages.
				var hasArg = args.some(function(value) {
					return value !== undefined;
				});
				if(hasArg) {
					loaderContext.loaderIndex--;
					iterateNormalLoaders(options, loaderContext, args, callback);
				} else {
					iteratePitchingLoaders(options, loaderContext, callback);
				}
			}
		);
	});
}

function processResource(options, loaderContext, callback) {
	// set loader index to last loader
	loaderContext.loaderIndex = loaderContext.loaders.length - 1;

function iterateNormalLoaders(options, loaderContext, args, callback) {
	if(loaderContext.loaderIndex < 0)
		return callback(null, args);

var currentLoaderObject = loaderContext.loaders[loaderContext.loaderIndex];

// iterate
	if(currentLoaderObject.normalExecuted) {
		loaderContext.loaderIndex--;
		return iterateNormalLoaders(options, loaderContext, args, callback);
	}

var fn = currentLoaderObject.normal;
	currentLoaderObject.normalExecuted = true;
	if(!fn) {
		return iterateNormalLoaders(options, loaderContext, args, callback);
	}

convertArgs(args, currentLoaderObject.raw);

runSyncOrAsync(fn, loaderContext, args, function(err) {
		if(err) return callback(err);

var args = Array.prototype.slice.call(arguments, 1);
		iterateNormalLoaders(options, loaderContext, args, callback);
	});
}

exports.getContext = function getContext(resource) {
	var path = parsePathQueryFragment(resource).path;
	return dirname(path);
};

exports.runLoaders = function runLoaders(options, callback) {
	// read options
	var resource = options.resource || "";
	var loaders = options.loaders || [];
	var loaderContext = options.context || {};
	var processResource = options.processResource || ((readResource, context, resource, callback) => {
		context.addDependency(resource);
		readResource(resource, callback);
	}).bind(null, options.readResource || readFile);

//
	var splittedResource = resource && parsePathQueryFragment(resource);
	var resourcePath = splittedResource ? splittedResource.path : undefined;
	var resourceQuery = splittedResource ? splittedResource.query : undefined;
	var resourceFragment = splittedResource ? splittedResource.fragment : undefined;
	var contextDirectory = resourcePath ? dirname(resourcePath) : null;

// execution state
	var requestCacheable = true;
	var fileDependencies = [];
	var contextDependencies = [];
	var missingDependencies = [];

// prepare loader objects
	loaders = loaders.map(createLoaderObject);

loaderContext.context = contextDirectory;
	loaderContext.loaderIndex = 0;
	loaderContext.loaders = loaders;
	loaderContext.resourcePath = resourcePath;
	loaderContext.resourceQuery = resourceQuery;
	loaderContext.resourceFragment = resourceFragment;
	loaderContext.async = null;
	loaderContext.callback = null;
	loaderContext.cacheable = function cacheable(flag) {
		if(flag === false) {
			requestCacheable = false;
		}
	};
	loaderContext.dependency = loaderContext.addDependency = function addDependency(file) {
		fileDependencies.push(file);
	};
	loaderContext.addContextDependency = function addContextDependency(context) {
		contextDependencies.push(context);
	};
	loaderContext.addMissingDependency = function addMissingDependency(context) {
		missingDependencies.push(context);
	};
	loaderContext.getDependencies = function getDependencies() {
		return fileDependencies.slice();
	};
	loaderContext.getContextDependencies = function getContextDependencies() {
		return contextDependencies.slice();
	};
	loaderContext.getMissingDependencies = function getMissingDependencies() {
		return missingDependencies.slice();
	};
	loaderContext.clearDependencies = function clearDependencies() {
		fileDependencies.length = 0;
		contextDependencies.length = 0;
		missingDependencies.length = 0;
		requestCacheable = true;
	};
	Object.defineProperty(loaderContext, "resource", {
		enumerable: true,
		get: function() {
			if(loaderContext.resourcePath === undefined)
				return undefined;
			return loaderContext.resourcePath.replace(/#/g, "\0#") + loaderContext.resourceQuery.replace(/#/g, "\0#") + loaderContext.resourceFragment;
		},
		set: function(value) {
			var splittedResource = value && parsePathQueryFragment(value);
			loaderContext.resourcePath = splittedResource ? splittedResource.path : undefined;
			loaderContext.resourceQuery = splittedResource ? splittedResource.query : undefined;
			loaderContext.resourceFragment = splittedResource ? splittedResource.fragment : undefined;
		}
	});
	Object.defineProperty(loaderContext, "request", {
		enumerable: true,
		get: function() {
			return loaderContext.loaders.map(function(o) {
				return o.request;
			}).concat(loaderContext.resource || "").join("!");
		}
	});
	Object.defineProperty(loaderContext, "remainingRequest", {
		enumerable: true,
		get: function() {
			if(loaderContext.loaderIndex >= loaderContext.loaders.length - 1 && !loaderContext.resource)
				return "";
			return loaderContext.loaders.slice(loaderContext.loaderIndex + 1).map(function(o) {
				return o.request;
			}).concat(loaderContext.resource || "").join("!");
		}
	});
	Object.defineProperty(loaderContext, "currentRequest", {
		enumerable: true,
		get: function() {
			return loaderContext.loaders.slice(loaderContext.loaderIndex).map(function(o) {
				return o.request;
			}).concat(loaderContext.resource || "").join("!");
		}
	});
	Object.defineProperty(loaderContext, "previousRequest", {
		enumerable: true,
		get: function() {
			return loaderContext.loaders.slice(0, loaderContext.loaderIndex).map(function(o) {
				return o.request;
			}).join("!");
		}
	});
	Object.defineProperty(loaderContext, "query", {
		enumerable: true,
		get: function() {
			var entry = loaderContext.loaders[loaderContext.loaderIndex];
			return entry.options && typeof entry.options === "object" ? entry.options : entry.query;
		}
	});
	Object.defineProperty(loaderContext, "data", {
		enumerable: true,
		get: function() {
			return loaderContext.loaders[loaderContext.loaderIndex].data;
		}
	});

// finish loader context
	if(Object.preventExtensions) {
		Object.preventExtensions(loaderContext);
	}

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