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Текущая директория: /opt/BitGoJS/node_modules/@cspotcode/source-map-support
Просмотр файла: source-map-support.js
const { TraceMap, originalPositionFor, AnyMap } = require('@jridgewell/trace-mapping');
var path = require('path');
const { fileURLToPath, pathToFileURL } = require('url');
var util = require('util');
var fs;
try {
fs = require('fs');
if (!fs.existsSync || !fs.readFileSync) {
// fs doesn't have all methods we need
fs = null;
}
} catch (err) {
/* nop */
}
/**
* Requires a module which is protected against bundler minification.
*
* @param {NodeModule} mod
* @param {string} request
*/
function dynamicRequire(mod, request) {
return mod.require(request);
}
/**
* @typedef {{
* enabled: boolean;
* originalValue: any;
* installedValue: any;
* }} HookState
* Used for installing and uninstalling hooks
*/
// Increment this if the format of sharedData changes in a breaking way.
var sharedDataVersion = 1;
/**
* @template T
* @param {T} defaults
* @returns {T}
*/
function initializeSharedData(defaults) {
var sharedDataKey = 'source-map-support/sharedData';
if (typeof Symbol !== 'undefined') {
sharedDataKey = Symbol.for(sharedDataKey);
}
var sharedData = this[sharedDataKey];
if (!sharedData) {
sharedData = { version: sharedDataVersion };
if (Object.defineProperty) {
Object.defineProperty(this, sharedDataKey, { value: sharedData });
} else {
this[sharedDataKey] = sharedData;
}
}
if (sharedDataVersion !== sharedData.version) {
throw new Error("Multiple incompatible instances of source-map-support were loaded");
}
for (var key in defaults) {
if (!(key in sharedData)) {
sharedData[key] = defaults[key];
}
}
return sharedData;
}
// If multiple instances of source-map-support are loaded into the same
// context, they shouldn't overwrite each other. By storing handlers, caches,
// and other state on a shared object, different instances of
// source-map-support can work together in a limited way. This does require
// that future versions of source-map-support continue to support the fields on
// this object. If this internal contract ever needs to be broken, increment
// sharedDataVersion. (This version number is not the same as any of the
// package's version numbers, which should reflect the *external* API of
// source-map-support.)
var sharedData = initializeSharedData({
// Only install once if called multiple times
// Remember how the environment looked before installation so we can restore if able
/** @type {HookState} */
errorPrepareStackTraceHook: undefined,
/** @type {HookState} */
processEmitHook: undefined,
/** @type {HookState} */
moduleResolveFilenameHook: undefined,
/** @type {Array<(request: string, parent: any, isMain: boolean, options: any, redirectedRequest: string) => void>} */
onConflictingLibraryRedirectArr: [],
// If true, the caches are reset before a stack trace formatting operation
emptyCacheBetweenOperations: false,
// Maps a file path to a string containing the file contents
fileContentsCache: Object.create(null),
// Maps a file path to a source map for that file
/** @type {Record<string, {url: string, map: TraceMap}} */
sourceMapCache: Object.create(null),
// Priority list of retrieve handlers
retrieveFileHandlers: [],
retrieveMapHandlers: [],
// Priority list of internally-implemented handlers.
// When resetting state, we must keep these.
internalRetrieveFileHandlers: [],
internalRetrieveMapHandlers: [],
});
// Supports {browser, node, auto}
var environment = "auto";
// Regex for detecting source maps
var reSourceMap = /^data:application\/json[^,]+base64,/;
function isInBrowser() {
if (environment === "browser")
return true;
if (environment === "node")
return false;
return ((typeof window !== 'undefined') && (typeof XMLHttpRequest === 'function') && !(window.require && window.module && window.process && window.process.type === "renderer"));
}
function hasGlobalProcessEventEmitter() {
return ((typeof process === 'object') && (process !== null) && (typeof process.on === 'function'));
}
function tryFileURLToPath(v) {
if(isFileUrl(v)) {
return fileURLToPath(v);
}
return v;
}
// TODO un-copy these from resolve-uri; see if they can be exported from that lib
function isFileUrl(input) {
return input.startsWith('file:');
}
function isAbsoluteUrl(input) {
return schemeRegex.test(input);
}
// Matches the scheme of a URL, eg "http://"
const schemeRegex = /^[\w+.-]+:\/\//;
function isSchemeRelativeUrl(input) {
return input.startsWith('//');
}
// #region Caches
/** @param {string} pathOrFileUrl */
function getCacheKey(pathOrFileUrl) {
if(pathOrFileUrl.startsWith('node:')) return pathOrFileUrl;
if(isFileUrl(pathOrFileUrl)) {
// Must normalize spaces to %20, stuff like that
return new URL(pathOrFileUrl).toString();
} else {
try {
return pathToFileURL(pathOrFileUrl).toString();
} catch {
return pathOrFileUrl;
}
}
}
function getFileContentsCache(key) {
return sharedData.fileContentsCache[getCacheKey(key)];
}
function hasFileContentsCacheFromKey(key) {
return Object.prototype.hasOwnProperty.call(sharedData.fileContentsCache, key);
}
function getFileContentsCacheFromKey(key) {
return sharedData.fileContentsCache[key];
}
function setFileContentsCache(key, value) {
return sharedData.fileContentsCache[getCacheKey(key)] = value;
}
function getSourceMapCache(key) {
return sharedData.sourceMapCache[getCacheKey(key)];
}
function setSourceMapCache(key, value) {
return sharedData.sourceMapCache[getCacheKey(key)] = value;
}
function clearCaches() {
sharedData.fileContentsCache = Object.create(null);
sharedData.sourceMapCache = Object.create(null);
}
// #endregion Caches
function handlerExec(list, internalList) {
return function(arg) {
for (var i = 0; i < list.length; i++) {
var ret = list[i](arg);
if (ret) {
return ret;
}
}
for (var i = 0; i < internalList.length; i++) {
var ret = internalList[i](arg);
if (ret) {
return ret;
}
}
return null;
};
}
var retrieveFile = handlerExec(sharedData.retrieveFileHandlers, sharedData.internalRetrieveFileHandlers);
sharedData.internalRetrieveFileHandlers.push(function(path) {
// Trim the path to make sure there is no extra whitespace.
path = path.trim();
if (/^file:/.test(path)) {
// existsSync/readFileSync can't handle file protocol, but once stripped, it works
path = path.replace(/file:\/\/\/(\w:)?/, function(protocol, drive) {
return drive ?
'' : // file:///C:/dir/file -> C:/dir/file
'/'; // file:///root-dir/file -> /root-dir/file
});
}
const key = getCacheKey(path);
if(hasFileContentsCacheFromKey(key)) {
return getFileContentsCacheFromKey(key);
}
var contents = '';
try {
if (!fs) {
// Use SJAX if we are in the browser
var xhr = new XMLHttpRequest();
xhr.open('GET', path, /** async */ false);
xhr.send(null);
if (xhr.readyState === 4 && xhr.status === 200) {
contents = xhr.responseText;
}
} else if (fs.existsSync(path)) {
// Otherwise, use the filesystem
contents = fs.readFileSync(path, 'utf8');
}
} catch (er) {
/* ignore any errors */
}
return setFileContentsCache(path, contents);
});
// Support URLs relative to a directory, but be careful about a protocol prefix
// in case we are in the browser (i.e. directories may start with "http://" or "file:///")
function supportRelativeURL(file, url) {
if(!file) return url;
// given that this happens within error formatting codepath, probably best to
// fallback instead of throwing if anything goes wrong
try {
// if should output a URL
if(isAbsoluteUrl(file) || isSchemeRelativeUrl(file)) {
if(isAbsoluteUrl(url) || isSchemeRelativeUrl(url)) {
return new URL(url, file).toString();
}
if(path.isAbsolute(url)) {
return new URL(pathToFileURL(url), file).toString();
}
// url is relative path or URL
return new URL(url.replace(/\\/g, '/'), file).toString();
}
// if should output a path (unless URL is something like https://)
if(path.isAbsolute(file)) {
if(isFileUrl(url)) {
return fileURLToPath(url);
}
if(isSchemeRelativeUrl(url)) {
return fileURLToPath(new URL(url, 'file://'));
}
if(isAbsoluteUrl(url)) {
// url is a non-file URL
// Go with the URL
return url;
}
if(path.isAbsolute(url)) {
// Normalize at all? decodeURI or normalize slashes?
return path.normalize(url);
}
// url is relative path or URL
return path.join(file, '..', decodeURI(url));
}
// If we get here, file is relative.
// Shouldn't happen since node identifies modules with absolute paths or URLs.
// But we can take a stab at returning something meaningful anyway.
if(isAbsoluteUrl(url) || isSchemeRelativeUrl(url)) {
return url;
}
return path.join(file, '..', url);
} catch(e) {
return url;
}
}
// Return pathOrUrl in the same style as matchStyleOf: either a file URL or a native path
function matchStyleOfPathOrUrl(matchStyleOf, pathOrUrl) {
try {
if(isAbsoluteUrl(matchStyleOf) || isSchemeRelativeUrl(matchStyleOf)) {
if(isAbsoluteUrl(pathOrUrl) || isSchemeRelativeUrl(pathOrUrl)) return pathOrUrl;
if(path.isAbsolute(pathOrUrl)) return pathToFileURL(pathOrUrl).toString();
} else if(path.isAbsolute(matchStyleOf)) {
if(isAbsoluteUrl(pathOrUrl) || isSchemeRelativeUrl(pathOrUrl)) {
return fileURLToPath(new URL(pathOrUrl, 'file://'));
}
}
return pathOrUrl;
} catch(e) {
return pathOrUrl;
}
}
function retrieveSourceMapURL(source) {
var fileData;
if (isInBrowser()) {
try {
var xhr = new XMLHttpRequest();
xhr.open('GET', source, false);
xhr.send(null);
fileData = xhr.readyState === 4 ? xhr.responseText : null;
// Support providing a sourceMappingURL via the SourceMap header
var sourceMapHeader = xhr.getResponseHeader("SourceMap") ||
xhr.getResponseHeader("X-SourceMap");
if (sourceMapHeader) {
return sourceMapHeader;
}
} catch (e) {
}
}
// Get the URL of the source map
fileData = retrieveFile(tryFileURLToPath(source));
var re = /(?:\/\/[@#][\s]*sourceMappingURL=([^\s'"]+)[\s]*$)|(?:\/\*[@#][\s]*sourceMappingURL=([^\s*'"]+)[\s]*(?:\*\/)[\s]*$)/mg;
// Keep executing the search to find the *last* sourceMappingURL to avoid
// picking up sourceMappingURLs from comments, strings, etc.
var lastMatch, match;
while (match = re.exec(fileData)) lastMatch = match;
if (!lastMatch) return null;
return lastMatch[1];
};
// Can be overridden by the retrieveSourceMap option to install. Takes a
// generated source filename; returns a {map, optional url} object, or null if
// there is no source map. The map field may be either a string or the parsed
// JSON object (ie, it must be a valid argument to the SourceMapConsumer
// constructor).
/** @type {(source: string) => import('./source-map-support').UrlAndMap | null} */
var retrieveSourceMap = handlerExec(sharedData.retrieveMapHandlers, sharedData.internalRetrieveMapHandlers);
sharedData.internalRetrieveMapHandlers.push(function(source) {
var sourceMappingURL = retrieveSourceMapURL(source);
if (!sourceMappingURL) return null;
// Read the contents of the source map
var sourceMapData;
if (reSourceMap.test(sourceMappingURL)) {
// Support source map URL as a data url
var rawData = sourceMappingURL.slice(sourceMappingURL.indexOf(',') + 1);
sourceMapData = Buffer.from(rawData, "base64").toString();
sourceMappingURL = source;
} else {
// Support source map URLs relative to the source URL
sourceMappingURL = supportRelativeURL(source, sourceMappingURL);
sourceMapData = retrieveFile(tryFileURLToPath(sourceMappingURL));
}
if (!sourceMapData) {
return null;
}
return {
url: sourceMappingURL,
map: sourceMapData
};
});
function mapSourcePosition(position) {
var sourceMap = getSourceMapCache(position.source);
if (!sourceMap) {
// Call the (overrideable) retrieveSourceMap function to get the source map.
var urlAndMap = retrieveSourceMap(position.source);
if (urlAndMap) {
sourceMap = setSourceMapCache(position.source, {
url: urlAndMap.url,
map: new AnyMap(urlAndMap.map, urlAndMap.url)
});
// Overwrite trace-mapping's resolutions, because they do not handle
// Windows paths the way we want.
// TODO Remove now that windows path support was added to resolve-uri and thus trace-mapping?
sourceMap.map.resolvedSources = sourceMap.map.sources.map(s => supportRelativeURL(sourceMap.url, s));
// Load all sources stored inline with the source map into the file cache
// to pretend like they are already loaded. They may not exist on disk.
if (sourceMap.map.sourcesContent) {
sourceMap.map.resolvedSources.forEach(function(resolvedSource, i) {
var contents = sourceMap.map.sourcesContent[i];
if (contents) {
setFileContentsCache(resolvedSource, contents);
}
});
}
} else {
sourceMap = setSourceMapCache(position.source, {
url: null,
map: null
});
}
}
// Resolve the source URL relative to the URL of the source map
if (sourceMap && sourceMap.map) {
var originalPosition = originalPositionFor(sourceMap.map, position);
// Only return the original position if a matching line was found. If no
// matching line is found then we return position instead, which will cause
// the stack trace to print the path and line for the compiled file. It is
// better to give a precise location in the compiled file than a vague
// location in the original file.
if (originalPosition.source !== null) {
// originalPosition.source has *already* been resolved against sourceMap.url
// so is *already* as absolute as possible.
// However, we want to ensure we output in same format as input: URL or native path
originalPosition.source = matchStyleOfPathOrUrl(
position.source, originalPosition.source);
return originalPosition;
}
}
return position;
}
// Parses code generated by FormatEvalOrigin(), a function inside V8:
// https://code.google.com/p/v8/source/browse/trunk/src/messages.js
function mapEvalOrigin(origin) {
// Most eval() calls are in this format
var match = /^eval at ([^(]+) \((.+):(\d+):(\d+)\)$/.exec(origin);
if (match) {
var position = mapSourcePosition({
source: match[2],
line: +match[3],
column: match[4] - 1
});
return 'eval at ' + match[1] + ' (' + position.source + ':' +
position.line + ':' + (position.column + 1) + ')';
}
// Parse nested eval() calls using recursion
match = /^eval at ([^(]+) \((.+)\)$/.exec(origin);
if (match) {
return 'eval at ' + match[1] + ' (' + mapEvalOrigin(match[2]) + ')';
}
// Make sure we still return useful information if we didn't find anything
return origin;
}
// This is copied almost verbatim from the V8 source code at
// https://code.google.com/p/v8/source/browse/trunk/src/messages.js
// Update 2022-04-29:
// https://github.com/v8/v8/blob/98f6f100c5ab8e390e51422747c4ef644d5ac6f2/src/builtins/builtins-callsite.cc#L175-L179
// https://github.com/v8/v8/blob/98f6f100c5ab8e390e51422747c4ef644d5ac6f2/src/objects/call-site-info.cc#L795-L804
// https://github.com/v8/v8/blob/98f6f100c5ab8e390e51422747c4ef644d5ac6f2/src/objects/call-site-info.cc#L717-L750
// The implementation of wrapCallSite() used to just forward to the actual source
// code of CallSite.prototype.toString but unfortunately a new release of V8
// did something to the prototype chain and broke the shim. The only fix I
// could find was copy/paste.
function CallSiteToString() {
var fileName;
var fileLocation = "";
if (this.isNative()) {
fileLocation = "native";
} else {
fileName = this.getScriptNameOrSourceURL();
if (!fileName && this.isEval()) {
fileLocation = this.getEvalOrigin();
fileLocation += ", "; // Expecting source position to follow.
}
if (fileName) {
fileLocation += fileName;
} else {
// Source code does not originate from a file and is not native, but we
// can still get the source position inside the source string, e.g. in
// an eval string.
fileLocation += "<anonymous>";
}
var lineNumber = this.getLineNumber();
if (lineNumber != null) {
fileLocation += ":" + lineNumber;
var columnNumber = this.getColumnNumber();
if (columnNumber) {
fileLocation += ":" + columnNumber;
}
}
}
var line = "";
var isAsync = this.isAsync ? this.isAsync() : false;
if(isAsync) {
line += 'async ';
var isPromiseAll = this.isPromiseAll ? this.isPromiseAll() : false;
var isPromiseAny = this.isPromiseAny ? this.isPromiseAny() : false;
if(isPromiseAny || isPromiseAll) {
line += isPromiseAll ? 'Promise.all (index ' : 'Promise.any (index ';
var promiseIndex = this.getPromiseIndex();
line += promiseIndex + ')';
}
}
var functionName = this.getFunctionName();
var addSuffix = true;
var isConstructor = this.isConstructor();
var isMethodCall = !(this.isToplevel() || isConstructor);
if (isMethodCall) {
var typeName = this.getTypeName();
// Fixes shim to be backward compatable with Node v0 to v4
if (typeName === "[object Object]") {
typeName = "null";
}
var methodName = this.getMethodName();
if (functionName) {
if (typeName && functionName.indexOf(typeName) != 0) {
line += typeName + ".";
}
line += functionName;
if (methodName && functionName.indexOf("." + methodName) != functionName.length - methodName.length - 1) {
line += " [as " + methodName + "]";
}
} else {
line += typeName + "." + (methodName || "<anonymous>");
}
} else if (isConstructor) {
line += "new " + (functionName || "<anonymous>");
} else if (functionName) {
line += functionName;
} else {
line += fileLocation;
addSuffix = false;
}
if (addSuffix) {
line += " (" + fileLocation + ")";
}
return line;
}
function cloneCallSite(frame) {
var object = {};
Object.getOwnPropertyNames(Object.getPrototypeOf(frame)).forEach(function(name) {
object[name] = /^(?:is|get)/.test(name) ? function() { return frame[name].call(frame); } : frame[name];
});
object.toString = CallSiteToString;
return object;
}
function wrapCallSite(frame, state) {
// provides interface backward compatibility
if (state === undefined) {
state = { nextPosition: null, curPosition: null }
}
if(frame.isNative()) {
state.curPosition = null;
return frame;
}
// Most call sites will return the source file from getFileName(), but code
// passed to eval() ending in "//# sourceURL=..." will return the source file
// from getScriptNameOrSourceURL() instead
var source = frame.getFileName() || frame.getScriptNameOrSourceURL();
if (source) {
// v8 does not expose its internal isWasm, etc methods, so we do this instead.
if(source.startsWith('wasm://')) {
state.curPosition = null;
return frame;
}
var line = frame.getLineNumber();
var column = frame.getColumnNumber() - 1;
// Fix position in Node where some (internal) code is prepended.
// See https://github.com/evanw/node-source-map-support/issues/36
// Header removed in node at ^10.16 || >=11.11.0
// v11 is not an LTS candidate, we can just test the one version with it.
// Test node versions for: 10.16-19, 10.20+, 12-19, 20-99, 100+, or 11.11
var noHeader = /^v(10\.1[6-9]|10\.[2-9][0-9]|10\.[0-9]{3,}|1[2-9]\d*|[2-9]\d|\d{3,}|11\.11)/;
var headerLength = noHeader.test(process.version) ? 0 : 62;
if (line === 1 && column > headerLength && !isInBrowser() && !frame.isEval()) {
column -= headerLength;
}
var position = mapSourcePosition({
source: source,
line: line,
column: column
});
state.curPosition = position;
frame = cloneCallSite(frame);
var originalFunctionName = frame.getFunctionName;
frame.getFunctionName = function() {
if (state.nextPosition == null) {
return originalFunctionName();
}
return state.nextPosition.name || originalFunctionName();
};
frame.getFileName = function() { return position.source; };
frame.getLineNumber = function() { return position.line; };
frame.getColumnNumber = function() { return position.column + 1; };
frame.getScriptNameOrSourceURL = function() { return position.source; };
return frame;
}
// Code called using eval() needs special handling
var origin = frame.isEval() && frame.getEvalOrigin();
if (origin) {
origin = mapEvalOrigin(origin);
frame = cloneCallSite(frame);
frame.getEvalOrigin = function() { return origin; };
return frame;
}
// If we get here then we were unable to change the source position
return frame;
}
var kIsNodeError = undefined;
try {
// Get a deliberate ERR_INVALID_ARG_TYPE
// TODO is there a better way to reliably get an instance of NodeError?
path.resolve(123);
} catch(e) {
const symbols = Object.getOwnPropertySymbols(e);
const symbol = symbols.find(function (s) {return s.toString().indexOf('kIsNodeError') >= 0});
if(symbol) kIsNodeError = symbol;
}
const ErrorPrototypeToString = (err) =>Error.prototype.toString.call(err);
/** @param {HookState} hookState */
function createPrepareStackTrace(hookState) {
return prepareStackTrace;
// This function is part of the V8 stack trace API, for more info see:
// https://v8.dev/docs/stack-trace-api
function prepareStackTrace(error, stack) {
if(!hookState.enabled) return hookState.originalValue.apply(this, arguments);
if (sharedData.emptyCacheBetweenOperations) {
clearCaches();
}
// node gives its own errors special treatment. Mimic that behavior
// https://github.com/nodejs/node/blob/3cbaabc4622df1b4009b9d026a1a970bdbae6e89/lib/internal/errors.js#L118-L128
// https://github.com/nodejs/node/pull/39182
var errorString;
if (kIsNodeError) {
if(kIsNodeError in error) {
errorString = `${error.name} [${error.code}]: ${error.message}`;
} else {
errorString = ErrorPrototypeToString(error);
}
} else {
var name = error.name || 'Error';
var message = error.message || '';
errorString = message ? name + ": " + message : name;
}
var state = { nextPosition: null, curPosition: null };
var processedStack = [];
for (var i = stack.length - 1; i >= 0; i--) {
processedStack.push('\n at ' + wrapCallSite(stack[i], state));
state.nextPosition = state.curPosition;
}
state.curPosition = state.nextPosition = null;
return errorString + processedStack.reverse().join('');
}
}
// Generate position and snippet of original source with pointer
function getErrorSource(error) {
var match = /\n at [^(]+ \((.*):(\d+):(\d+)\)/.exec(error.stack);
if (match) {
var source = match[1];
var line = +match[2];
var column = +match[3];
// Support the inline sourceContents inside the source map
var contents = getFileContentsCache(source);
const sourceAsPath = tryFileURLToPath(source);
// Support files on disk
if (!contents && fs && fs.existsSync(sourceAsPath)) {
try {
contents = fs.readFileSync(sourceAsPath, 'utf8');
} catch (er) {
contents = '';
}
}
// Format the line from the original source code like node does
if (contents) {
var code = contents.split(/(?:\r\n|\r|\n)/)[line - 1];
if (code) {
return source + ':' + line + '\n' + code + '\n' +
new Array(column).join(' ') + '^';
}
}
}
return null;
}
function printFatalErrorUponExit (error) {
var source = getErrorSource(error);
// Ensure error is printed synchronously and not truncated
if (process.stderr._handle && process.stderr._handle.setBlocking) {
process.stderr._handle.setBlocking(true);
}
if (source) {
console.error(source);
}
// Matches node's behavior for colorized output
console.error(
util.inspect(error, {
customInspect: false,
colors: process.stderr.isTTY
})
);
}
function shimEmitUncaughtException () {
const originalValue = process.emit;
var hook = sharedData.processEmitHook = {
enabled: true,
originalValue,
installedValue: undefined
};
var isTerminatingDueToFatalException = false;
var fatalException;
process.emit = sharedData.processEmitHook.installedValue = function (type) {
const hadListeners = originalValue.apply(this, arguments);
if(hook.enabled) {
if (type === 'uncaughtException' && !hadListeners) {
isTerminatingDueToFatalException = true;
fatalException = arguments[1];
process.exit(1);
}
if (type === 'exit' && isTerminatingDueToFatalException) {
printFatalErrorUponExit(fatalException);
}
}
return hadListeners;
};
}
var originalRetrieveFileHandlers = sharedData.retrieveFileHandlers.slice(0);
var originalRetrieveMapHandlers = sharedData.retrieveMapHandlers.slice(0);
exports.wrapCallSite = wrapCallSite;
exports.getErrorSource = getErrorSource;
exports.mapSourcePosition = mapSourcePosition;
exports.retrieveSourceMap = retrieveSourceMap;
exports.install = function(options) {
options = options || {};
if (options.environment) {
environment = options.environment;
if (["node", "browser", "auto"].indexOf(environment) === -1) {
throw new Error("environment " + environment + " was unknown. Available options are {auto, browser, node}")
}
}
// Use dynamicRequire to avoid including in browser bundles
var Module = dynamicRequire(module, 'module');
// Redirect subsequent imports of "source-map-support"
// to this package
const {redirectConflictingLibrary = true, onConflictingLibraryRedirect} = options;
if(redirectConflictingLibrary) {
if (!sharedData.moduleResolveFilenameHook) {
const originalValue = Module._resolveFilename;
const moduleResolveFilenameHook = sharedData.moduleResolveFilenameHook = {
enabled: true,
originalValue,
installedValue: undefined,
}
Module._resolveFilename = sharedData.moduleResolveFilenameHook.installedValue = function (request, parent, isMain, options) {
if (moduleResolveFilenameHook.enabled) {
// Match all source-map-support entrypoints: source-map-support, source-map-support/register
let requestRedirect;
if (request === 'source-map-support') {
requestRedirect = './';
} else if (request === 'source-map-support/register') {
requestRedirect = './register';
}
if (requestRedirect !== undefined) {
const newRequest = require.resolve(requestRedirect);
for (const cb of sharedData.onConflictingLibraryRedirectArr) {
cb(request, parent, isMain, options, newRequest);
}
request = newRequest;
}
}
return originalValue.call(this, request, parent, isMain, options);
}
}
if (onConflictingLibraryRedirect) {
sharedData.onConflictingLibraryRedirectArr.push(onConflictingLibraryRedirect);
}
}
// Allow sources to be found by methods other than reading the files
// directly from disk.
if (options.retrieveFile) {
if (options.overrideRetrieveFile) {
sharedData.retrieveFileHandlers.length = 0;
}
sharedData.retrieveFileHandlers.unshift(options.retrieveFile);
}
// Allow source maps to be found by methods other than reading the files
// directly from disk.
if (options.retrieveSourceMap) {
if (options.overrideRetrieveSourceMap) {
sharedData.retrieveMapHandlers.length = 0;
}
sharedData.retrieveMapHandlers.unshift(options.retrieveSourceMap);
}
// Support runtime transpilers that include inline source maps
if (options.hookRequire && !isInBrowser()) {
var $compile = Module.prototype._compile;
if (!$compile.__sourceMapSupport) {
Module.prototype._compile = function(content, filename) {
setFileContentsCache(filename, content);
setSourceMapCache(filename, undefined);
return $compile.call(this, content, filename);
};
Module.prototype._compile.__sourceMapSupport = true;
}
}
// Configure options
if (!sharedData.emptyCacheBetweenOperations) {
sharedData.emptyCacheBetweenOperations = 'emptyCacheBetweenOperations' in options ?
options.emptyCacheBetweenOperations : false;
}
// Install the error reformatter
if (!sharedData.errorPrepareStackTraceHook) {
const originalValue = Error.prepareStackTrace;
sharedData.errorPrepareStackTraceHook = {
enabled: true,
originalValue,
installedValue: undefined
};
Error.prepareStackTrace = sharedData.errorPrepareStackTraceHook.installedValue = createPrepareStackTrace(sharedData.errorPrepareStackTraceHook);
}
if (!sharedData.processEmitHook) {
var installHandler = 'handleUncaughtExceptions' in options ?
options.handleUncaughtExceptions : true;
// Do not override 'uncaughtException' with our own handler in Node.js
// Worker threads. Workers pass the error to the main thread as an event,
// rather than printing something to stderr and exiting.
try {
// We need to use `dynamicRequire` because `require` on it's own will be optimized by WebPack/Browserify.
var worker_threads = dynamicRequire(module, 'worker_threads');
if (worker_threads.isMainThread === false) {
installHandler = false;
}
} catch(e) {}
// Provide the option to not install the uncaught exception handler. This is
// to support other uncaught exception handlers (in test frameworks, for
// example). If this handler is not installed and there are no other uncaught
// exception handlers, uncaught exceptions will be caught by node's built-in
// exception handler and the process will still be terminated. However, the
// generated JavaScript code will be shown above the stack trace instead of
// the original source code.
if (installHandler && hasGlobalProcessEventEmitter()) {
shimEmitUncaughtException();
}
}
};
exports.uninstall = function() {
if(sharedData.processEmitHook) {
// Disable behavior
sharedData.processEmitHook.enabled = false;
// If possible, remove our hook function. May not be possible if subsequent third-party hooks have wrapped around us.
if(process.emit === sharedData.processEmitHook.installedValue) {
process.emit = sharedData.processEmitHook.originalValue;
}
sharedData.processEmitHook = undefined;
}
if(sharedData.errorPrepareStackTraceHook) {
// Disable behavior
sharedData.errorPrepareStackTraceHook.enabled = false;
// If possible or necessary, remove our hook function.
// In vanilla environments, prepareStackTrace is `undefined`.
// We cannot delegate to `undefined` the way we can to a function w/`.apply()`; our only option is to remove the function.
// If we are the *first* hook installed, and another was installed on top of us, we have no choice but to remove both.
if(Error.prepareStackTrace === sharedData.errorPrepareStackTraceHook.installedValue || typeof sharedData.errorPrepareStackTraceHook.originalValue !== 'function') {
Error.prepareStackTrace = sharedData.errorPrepareStackTraceHook.originalValue;
}
sharedData.errorPrepareStackTraceHook = undefined;
}
if (sharedData.moduleResolveFilenameHook) {
// Disable behavior
sharedData.moduleResolveFilenameHook.enabled = false;
// If possible, remove our hook function. May not be possible if subsequent third-party hooks have wrapped around us.
var Module = dynamicRequire(module, 'module');
if(Module._resolveFilename === sharedData.moduleResolveFilenameHook.installedValue) {
Module._resolveFilename = sharedData.moduleResolveFilenameHook.originalValue;
}
sharedData.moduleResolveFilenameHook = undefined;
}
sharedData.onConflictingLibraryRedirectArr.length = 0;
}
exports.resetRetrieveHandlers = function() {
sharedData.retrieveFileHandlers.length = 0;
sharedData.retrieveMapHandlers.length = 0;
}
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Для локальной разработки. Не используйте в интернете!