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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
commit81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 (patch)
tree8b959d50c5a614cbf9fcb346ed556140374d4b6d /node_modules/source-map-support/source-map-support.js
parent1870f3fdf43707a15fda0f609a021f516f45eb63 (diff)
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rm node_modules
Diffstat (limited to 'node_modules/source-map-support/source-map-support.js')
-rw-r--r--node_modules/source-map-support/source-map-support.js527
1 files changed, 0 insertions, 527 deletions
diff --git a/node_modules/source-map-support/source-map-support.js b/node_modules/source-map-support/source-map-support.js
deleted file mode 100644
index abd8886..0000000
--- a/node_modules/source-map-support/source-map-support.js
+++ /dev/null
@@ -1,527 +0,0 @@
-var SourceMapConsumer = require('source-map').SourceMapConsumer;
-var path = require('path');
-
-var fs;
-try {
- fs = require('fs');
- if (!fs.existsSync || !fs.readFileSync) {
- // fs doesn't have all methods we need
- fs = null;
- }
-} catch (err) {
- /* nop */
-}
-
-// Only install once if called multiple times
-var errorFormatterInstalled = false;
-var uncaughtShimInstalled = false;
-
-// If true, the caches are reset before a stack trace formatting operation
-var emptyCacheBetweenOperations = false;
-
-// Supports {browser, node, auto}
-var environment = "auto";
-
-// Maps a file path to a string containing the file contents
-var fileContentsCache = {};
-
-// Maps a file path to a source map for that file
-var sourceMapCache = {};
-
-// Regex for detecting source maps
-var reSourceMap = /^data:application\/json[^,]+base64,/;
-
-// Priority list of retrieve handlers
-var retrieveFileHandlers = [];
-var retrieveMapHandlers = [];
-
-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 handlerExec(list) {
- return function(arg) {
- for (var i = 0; i < list.length; i++) {
- var ret = list[i](arg);
- if (ret) {
- return ret;
- }
- }
- return null;
- };
-}
-
-var retrieveFile = handlerExec(retrieveFileHandlers);
-
-retrieveFileHandlers.push(function(path) {
- // Trim the path to make sure there is no extra whitespace.
- path = path.trim();
- if (path in fileContentsCache) {
- return fileContentsCache[path];
- }
-
- var contents = null;
- if (!fs) {
- // Use SJAX if we are in the browser
- var xhr = new XMLHttpRequest();
- xhr.open('GET', path, false);
- xhr.send(null);
- var contents = null
- if (xhr.readyState === 4 && xhr.status === 200) {
- contents = xhr.responseText
- }
- } else if (fs.existsSync(path)) {
- // Otherwise, use the filesystem
- try {
- contents = fs.readFileSync(path, 'utf8');
- } catch (er) {
- contents = '';
- }
- }
-
- return fileContentsCache[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://")
-function supportRelativeURL(file, url) {
- if (!file) return url;
- var dir = path.dirname(file);
- var match = /^\w+:\/\/[^\/]*/.exec(dir);
- var protocol = match ? match[0] : '';
- return protocol + path.resolve(dir.slice(protocol.length), url);
-}
-
-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(source);
- var re = /(?:\/\/[@#][ \t]+sourceMappingURL=([^\s'"]+?)[ \t]*$)|(?:\/\*[@#][ \t]+sourceMappingURL=([^\*]+?)[ \t]*(?:\*\/)[ \t]*$)/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).
-var retrieveSourceMap = handlerExec(retrieveMapHandlers);
-retrieveMapHandlers.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 = new Buffer(rawData, "base64").toString();
- sourceMappingURL = source;
- } else {
- // Support source map URLs relative to the source URL
- sourceMappingURL = supportRelativeURL(source, sourceMappingURL);
- sourceMapData = retrieveFile(sourceMappingURL);
- }
-
- if (!sourceMapData) {
- return null;
- }
-
- return {
- url: sourceMappingURL,
- map: sourceMapData
- };
-});
-
-function mapSourcePosition(position) {
- var sourceMap = sourceMapCache[position.source];
- if (!sourceMap) {
- // Call the (overrideable) retrieveSourceMap function to get the source map.
- var urlAndMap = retrieveSourceMap(position.source);
- if (urlAndMap) {
- sourceMap = sourceMapCache[position.source] = {
- url: urlAndMap.url,
- map: new SourceMapConsumer(urlAndMap.map)
- };
-
- // 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.sources.forEach(function(source, i) {
- var contents = sourceMap.map.sourcesContent[i];
- if (contents) {
- var url = supportRelativeURL(sourceMap.url, source);
- fileContentsCache[url] = contents;
- }
- });
- }
- } else {
- sourceMap = sourceMapCache[position.source] = {
- url: null,
- map: null
- };
- }
- }
-
- // Resolve the source URL relative to the URL of the source map
- if (sourceMap && sourceMap.map) {
- var originalPosition = sourceMap.map.originalPositionFor(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 = supportRelativeURL(
- sourceMap.url, 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. 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 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) {
- if(frame.isNative()) {
- 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) {
- 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
- var headerLength = 62;
- if (line === 1 && column > headerLength && !isInBrowser() && !frame.isEval()) {
- column -= headerLength;
- }
-
- var position = mapSourcePosition({
- source: source,
- line: line,
- column: column
- });
- frame = cloneCallSite(frame);
- 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;
-}
-
-// This function is part of the V8 stack trace API, for more info see:
-// http://code.google.com/p/v8/wiki/JavaScriptStackTraceApi
-function prepareStackTrace(error, stack) {
- if (emptyCacheBetweenOperations) {
- fileContentsCache = {};
- sourceMapCache = {};
- }
-
- return error + stack.map(function(frame) {
- return '\n at ' + wrapCallSite(frame);
- }).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 = fileContentsCache[source];
-
- // Support files on disk
- if (!contents && fs && fs.existsSync(source)) {
- try {
- contents = fs.readFileSync(source, '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 printErrorAndExit (error) {
- var source = getErrorSource(error);
-
- if (source) {
- console.error();
- console.error(source);
- }
-
- console.error(error.stack);
- process.exit(1);
-}
-
-function shimEmitUncaughtException () {
- var origEmit = process.emit;
-
- process.emit = function (type) {
- if (type === 'uncaughtException') {
- var hasStack = (arguments[1] && arguments[1].stack);
- var hasListeners = (this.listeners(type).length > 0);
-
- if (hasStack && !hasListeners) {
- return printErrorAndExit(arguments[1]);
- }
- }
-
- return origEmit.apply(this, arguments);
- };
-}
-
-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}")
- }
- }
-
- // Allow sources to be found by methods other than reading the files
- // directly from disk.
- if (options.retrieveFile) {
- if (options.overrideRetrieveFile) {
- retrieveFileHandlers.length = 0;
- }
-
- 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) {
- retrieveMapHandlers.length = 0;
- }
-
- retrieveMapHandlers.unshift(options.retrieveSourceMap);
- }
-
- // Support runtime transpilers that include inline source maps
- if (options.hookRequire && !isInBrowser()) {
- var Module;
- try {
- Module = require('module');
- } catch (err) {
- // NOP: Loading in catch block to convert webpack error to warning.
- }
- var $compile = Module.prototype._compile;
-
- if (!$compile.__sourceMapSupport) {
- Module.prototype._compile = function(content, filename) {
- fileContentsCache[filename] = content;
- sourceMapCache[filename] = undefined;
- return $compile.call(this, content, filename);
- };
-
- Module.prototype._compile.__sourceMapSupport = true;
- }
- }
-
- // Configure options
- if (!emptyCacheBetweenOperations) {
- emptyCacheBetweenOperations = 'emptyCacheBetweenOperations' in options ?
- options.emptyCacheBetweenOperations : false;
- }
-
- // Install the error reformatter
- if (!errorFormatterInstalled) {
- errorFormatterInstalled = true;
- Error.prepareStackTrace = prepareStackTrace;
- }
-
- if (!uncaughtShimInstalled) {
- var installHandler = 'handleUncaughtExceptions' in options ?
- options.handleUncaughtExceptions : true;
-
- // 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()) {
- uncaughtShimInstalled = true;
- shimEmitUncaughtException();
- }
- }
-};