4 files changed, 535 insertions, 0 deletions
diff --git a/node_modules/jest-message-util/build/index.d.ts b/node_modules/jest-message-util/build/index.d.ts
new file mode 100644
index 0000000..7be2d84
--- /dev/null
+++ b/node_modules/jest-message-util/build/index.d.ts
@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+import type { Config, TestResult } from '@jest/types';
+import type { Frame } from './types';
+export type { Frame } from './types';
+export declare type StackTraceConfig = Pick<Config.ProjectConfig, 'rootDir' | 'testMatch'>;
+export declare type StackTraceOptions = {
+    noStackTrace: boolean;
+    noCodeFrame?: boolean;
+};
+export declare const formatExecError: (error: Error | TestResult.SerializableError | string | undefined, config: StackTraceConfig, options: StackTraceOptions, testPath?: string | undefined, reuseMessage?: boolean | undefined) => string;
+export declare const getStackTraceLines: (stack: string, options?: StackTraceOptions) => Array<string>;
+export declare const getTopFrame: (lines: Array<string>) => Frame | null;
+export declare const formatStackTrace: (stack: string, config: StackTraceConfig, options: StackTraceOptions, testPath?: string | undefined) => string;
+export declare const formatResultsErrors: (testResults: Array<TestResult.AssertionResult>, config: StackTraceConfig, options: StackTraceOptions, testPath?: string | undefined) => string | null;
+export declare const separateMessageFromStack: (content: string) => {
+    message: string;
+    stack: string;
+};
diff --git a/node_modules/jest-message-util/build/index.js b/node_modules/jest-message-util/build/index.js
new file mode 100644
index 0000000..4326f27
--- /dev/null
+++ b/node_modules/jest-message-util/build/index.js
@@ -0,0 +1,501 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.separateMessageFromStack =
+  exports.getTopFrame =
+  exports.getStackTraceLines =
+  exports.formatStackTrace =
+  exports.formatResultsErrors =
+  exports.formatExecError =
+    void 0;
+
+var path = _interopRequireWildcard(require('path'));
+
+var _url = require('url');
+
+var _codeFrame = require('@babel/code-frame');
+
+var _chalk = _interopRequireDefault(require('chalk'));
+
+var fs = _interopRequireWildcard(require('graceful-fs'));
+
+var _micromatch = _interopRequireDefault(require('micromatch'));
+
+var _slash = _interopRequireDefault(require('slash'));
+
+var _stackUtils = _interopRequireDefault(require('stack-utils'));
+
+var _prettyFormat = require('pretty-format');
+
+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : {default: obj};
+}
+
+function _getRequireWildcardCache(nodeInterop) {
+  if (typeof WeakMap !== 'function') return null;
+  var cacheBabelInterop = new WeakMap();
+  var cacheNodeInterop = new WeakMap();
+  return (_getRequireWildcardCache = function (nodeInterop) {
+    return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
+  })(nodeInterop);
+}
+
+function _interopRequireWildcard(obj, nodeInterop) {
+  if (!nodeInterop && obj && obj.__esModule) {
+    return obj;
+  }
+  if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
+    return {default: obj};
+  }
+  var cache = _getRequireWildcardCache(nodeInterop);
+  if (cache && cache.has(obj)) {
+    return cache.get(obj);
+  }
+  var newObj = {};
+  var hasPropertyDescriptor =
+    Object.defineProperty && Object.getOwnPropertyDescriptor;
+  for (var key in obj) {
+    if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
+      var desc = hasPropertyDescriptor
+        ? Object.getOwnPropertyDescriptor(obj, key)
+        : null;
+      if (desc && (desc.get || desc.set)) {
+        Object.defineProperty(newObj, key, desc);
+      } else {
+        newObj[key] = obj[key];
+      }
+    }
+  }
+  newObj.default = obj;
+  if (cache) {
+    cache.set(obj, newObj);
+  }
+  return newObj;
+}
+
+var global = (function () {
+  if (typeof globalThis !== 'undefined') {
+    return globalThis;
+  } else if (typeof global !== 'undefined') {
+    return global;
+  } else if (typeof self !== 'undefined') {
+    return self;
+  } else if (typeof window !== 'undefined') {
+    return window;
+  } else {
+    return Function('return this')();
+  }
+})();
+
+var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
+
+var global = (function () {
+  if (typeof globalThis !== 'undefined') {
+    return globalThis;
+  } else if (typeof global !== 'undefined') {
+    return global;
+  } else if (typeof self !== 'undefined') {
+    return self;
+  } else if (typeof window !== 'undefined') {
+    return window;
+  } else {
+    return Function('return this')();
+  }
+})();
+
+var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
+
+var global = (function () {
+  if (typeof globalThis !== 'undefined') {
+    return globalThis;
+  } else if (typeof global !== 'undefined') {
+    return global;
+  } else if (typeof self !== 'undefined') {
+    return self;
+  } else if (typeof window !== 'undefined') {
+    return window;
+  } else {
+    return Function('return this')();
+  }
+})();
+
+var jestReadFile =
+  global[Symbol.for('jest-native-read-file')] || fs.readFileSync;
+// stack utils tries to create pretty stack by making paths relative.
+const stackUtils = new _stackUtils.default({
+  cwd: 'something which does not exist'
+});
+let nodeInternals = [];
+
+try {
+  nodeInternals = _stackUtils.default.nodeInternals();
+} catch {
+  // `StackUtils.nodeInternals()` fails in browsers. We don't need to remove
+  // node internals in the browser though, so no issue.
+}
+
+const PATH_NODE_MODULES = `${path.sep}node_modules${path.sep}`;
+const PATH_JEST_PACKAGES = `${path.sep}jest${path.sep}packages${path.sep}`; // filter for noisy stack trace lines
+
+const JASMINE_IGNORE =
+  /^\s+at(?:(?:.jasmine\-)|\s+jasmine\.buildExpectationResult)/;
+const JEST_INTERNALS_IGNORE =
+  /^\s+at.*?jest(-.*?)?(\/|\\)(build|node_modules|packages)(\/|\\)/;
+const ANONYMOUS_FN_IGNORE = /^\s+at <anonymous>.*$/;
+const ANONYMOUS_PROMISE_IGNORE = /^\s+at (new )?Promise \(<anonymous>\).*$/;
+const ANONYMOUS_GENERATOR_IGNORE = /^\s+at Generator.next \(<anonymous>\).*$/;
+const NATIVE_NEXT_IGNORE = /^\s+at next \(native\).*$/;
+const TITLE_INDENT = '  ';
+const MESSAGE_INDENT = '    ';
+const STACK_INDENT = '      ';
+const ANCESTRY_SEPARATOR = ' \u203A ';
+
+const TITLE_BULLET = _chalk.default.bold('\u25cf ');
+
+const STACK_TRACE_COLOR = _chalk.default.dim;
+const STACK_PATH_REGEXP = /\s*at.*\(?(\:\d*\:\d*|native)\)?/;
+const EXEC_ERROR_MESSAGE = 'Test suite failed to run';
+const NOT_EMPTY_LINE_REGEXP = /^(?!$)/gm;
+
+const indentAllLines = (lines, indent) =>
+  lines.replace(NOT_EMPTY_LINE_REGEXP, indent);
+
+const trim = string => (string || '').trim(); // Some errors contain not only line numbers in stack traces
+// e.g. SyntaxErrors can contain snippets of code, and we don't
+// want to trim those, because they may have pointers to the column/character
+// which will get misaligned.
+
+const trimPaths = string =>
+  string.match(STACK_PATH_REGEXP) ? trim(string) : string;
+
+const getRenderedCallsite = (fileContent, line, column) => {
+  let renderedCallsite = (0, _codeFrame.codeFrameColumns)(
+    fileContent,
+    {
+      start: {
+        column,
+        line
+      }
+    },
+    {
+      highlightCode: true
+    }
+  );
+  renderedCallsite = indentAllLines(renderedCallsite, MESSAGE_INDENT);
+  renderedCallsite = `\n${renderedCallsite}\n`;
+  return renderedCallsite;
+};
+
+const blankStringRegexp = /^\s*$/;
+
+function checkForCommonEnvironmentErrors(error) {
+  if (
+    error.includes('ReferenceError: document is not defined') ||
+    error.includes('ReferenceError: window is not defined') ||
+    error.includes('ReferenceError: navigator is not defined')
+  ) {
+    return warnAboutWrongTestEnvironment(error, 'jsdom');
+  } else if (error.includes('.unref is not a function')) {
+    return warnAboutWrongTestEnvironment(error, 'node');
+  }
+
+  return error;
+}
+
+function warnAboutWrongTestEnvironment(error, env) {
+  return (
+    _chalk.default.bold.red(
+      `The error below may be caused by using the wrong test environment, see ${_chalk.default.dim.underline(
+        'https://jestjs.io/docs/configuration#testenvironment-string'
+      )}.\nConsider using the "${env}" test environment.\n\n`
+    ) + error
+  );
+} // ExecError is an error thrown outside of the test suite (not inside an `it` or
+// `before/after each` hooks). If it's thrown, none of the tests in the file
+// are executed.
+
+const formatExecError = (error, config, options, testPath, reuseMessage) => {
+  if (!error || typeof error === 'number') {
+    error = new Error(`Expected an Error, but "${String(error)}" was thrown`);
+    error.stack = '';
+  }
+
+  let message, stack;
+
+  if (typeof error === 'string' || !error) {
+    error || (error = 'EMPTY ERROR');
+    message = '';
+    stack = error;
+  } else {
+    message = error.message;
+    stack =
+      typeof error.stack === 'string'
+        ? error.stack
+        : `thrown: ${(0, _prettyFormat.format)(error, {
+            maxDepth: 3
+          })}`;
+  }
+
+  const separated = separateMessageFromStack(stack || '');
+  stack = separated.stack;
+
+  if (separated.message.includes(trim(message))) {
+    // Often stack trace already contains the duplicate of the message
+    message = separated.message;
+  }
+
+  message = checkForCommonEnvironmentErrors(message);
+  message = indentAllLines(message, MESSAGE_INDENT);
+  stack =
+    stack && !options.noStackTrace
+      ? '\n' + formatStackTrace(stack, config, options, testPath)
+      : '';
+
+  if (
+    typeof stack !== 'string' ||
+    (blankStringRegexp.test(message) && blankStringRegexp.test(stack))
+  ) {
+    // this can happen if an empty object is thrown.
+    message = `thrown: ${(0, _prettyFormat.format)(error, {
+      maxDepth: 3
+    })}`;
+  }
+
+  let messageToUse;
+
+  if (reuseMessage) {
+    messageToUse = ` ${message.trim()}`;
+  } else {
+    messageToUse = `${EXEC_ERROR_MESSAGE}\n\n${message}`;
+  }
+
+  return TITLE_INDENT + TITLE_BULLET + messageToUse + stack + '\n';
+};
+
+exports.formatExecError = formatExecError;
+
+const removeInternalStackEntries = (lines, options) => {
+  let pathCounter = 0;
+  return lines.filter(line => {
+    if (ANONYMOUS_FN_IGNORE.test(line)) {
+      return false;
+    }
+
+    if (ANONYMOUS_PROMISE_IGNORE.test(line)) {
+      return false;
+    }
+
+    if (ANONYMOUS_GENERATOR_IGNORE.test(line)) {
+      return false;
+    }
+
+    if (NATIVE_NEXT_IGNORE.test(line)) {
+      return false;
+    }
+
+    if (nodeInternals.some(internal => internal.test(line))) {
+      return false;
+    }
+
+    if (!STACK_PATH_REGEXP.test(line)) {
+      return true;
+    }
+
+    if (JASMINE_IGNORE.test(line)) {
+      return false;
+    }
+
+    if (++pathCounter === 1) {
+      return true; // always keep the first line even if it's from Jest
+    }
+
+    if (options.noStackTrace) {
+      return false;
+    }
+
+    if (JEST_INTERNALS_IGNORE.test(line)) {
+      return false;
+    }
+
+    return true;
+  });
+};
+
+const formatPaths = (config, relativeTestPath, line) => {
+  // Extract the file path from the trace line.
+  const match = line.match(/(^\s*at .*?\(?)([^()]+)(:[0-9]+:[0-9]+\)?.*$)/);
+
+  if (!match) {
+    return line;
+  }
+
+  let filePath = (0, _slash.default)(path.relative(config.rootDir, match[2])); // highlight paths from the current test file
+
+  if (
+    (config.testMatch &&
+      config.testMatch.length &&
+      (0, _micromatch.default)([filePath], config.testMatch).length > 0) ||
+    filePath === relativeTestPath
+  ) {
+    filePath = _chalk.default.reset.cyan(filePath);
+  }
+
+  return STACK_TRACE_COLOR(match[1]) + filePath + STACK_TRACE_COLOR(match[3]);
+};
+
+const getStackTraceLines = (
+  stack,
+  options = {
+    noCodeFrame: false,
+    noStackTrace: false
+  }
+) => removeInternalStackEntries(stack.split(/\n/), options);
+
+exports.getStackTraceLines = getStackTraceLines;
+
+const getTopFrame = lines => {
+  for (const line of lines) {
+    if (line.includes(PATH_NODE_MODULES) || line.includes(PATH_JEST_PACKAGES)) {
+      continue;
+    }
+
+    const parsedFrame = stackUtils.parseLine(line.trim());
+
+    if (parsedFrame && parsedFrame.file) {
+      if (parsedFrame.file.startsWith('file://')) {
+        parsedFrame.file = (0, _slash.default)(
+          (0, _url.fileURLToPath)(parsedFrame.file)
+        );
+      }
+
+      return parsedFrame;
+    }
+  }
+
+  return null;
+};
+
+exports.getTopFrame = getTopFrame;
+
+const formatStackTrace = (stack, config, options, testPath) => {
+  const lines = getStackTraceLines(stack, options);
+  let renderedCallsite = '';
+  const relativeTestPath = testPath
+    ? (0, _slash.default)(path.relative(config.rootDir, testPath))
+    : null;
+
+  if (!options.noStackTrace && !options.noCodeFrame) {
+    const topFrame = getTopFrame(lines);
+
+    if (topFrame) {
+      const {column, file: filename, line} = topFrame;
+
+      if (line && filename && path.isAbsolute(filename)) {
+        let fileContent;
+
+        try {
+          // TODO: check & read HasteFS instead of reading the filesystem:
+          // see: https://github.com/facebook/jest/pull/5405#discussion_r164281696
+          fileContent = jestReadFile(filename, 'utf8');
+          renderedCallsite = getRenderedCallsite(fileContent, line, column);
+        } catch {
+          // the file does not exist or is inaccessible, we ignore
+        }
+      }
+    }
+  }
+
+  const stacktrace = lines
+    .filter(Boolean)
+    .map(
+      line =>
+        STACK_INDENT + formatPaths(config, relativeTestPath, trimPaths(line))
+    )
+    .join('\n');
+  return renderedCallsite
+    ? `${renderedCallsite}\n${stacktrace}`
+    : `\n${stacktrace}`;
+};
+
+exports.formatStackTrace = formatStackTrace;
+
+const formatResultsErrors = (testResults, config, options, testPath) => {
+  const failedResults = testResults.reduce((errors, result) => {
+    result.failureMessages.forEach(item => {
+      errors.push({
+        content: checkForCommonEnvironmentErrors(item),
+        result
+      });
+    });
+    return errors;
+  }, []);
+
+  if (!failedResults.length) {
+    return null;
+  }
+
+  return failedResults
+    .map(({result, content}) => {
+      let {message, stack} = separateMessageFromStack(content);
+      stack = options.noStackTrace
+        ? ''
+        : STACK_TRACE_COLOR(
+            formatStackTrace(stack, config, options, testPath)
+          ) + '\n';
+      message = indentAllLines(message, MESSAGE_INDENT);
+      const title =
+        _chalk.default.bold.red(
+          TITLE_INDENT +
+            TITLE_BULLET +
+            result.ancestorTitles.join(ANCESTRY_SEPARATOR) +
+            (result.ancestorTitles.length ? ANCESTRY_SEPARATOR : '') +
+            result.title
+        ) + '\n';
+      return title + '\n' + message + '\n' + stack;
+    })
+    .join('\n');
+};
+
+exports.formatResultsErrors = formatResultsErrors;
+const errorRegexp = /^Error:?\s*$/;
+
+const removeBlankErrorLine = str =>
+  str
+    .split('\n') // Lines saying just `Error:` are useless
+    .filter(line => !errorRegexp.test(line))
+    .join('\n')
+    .trimRight(); // jasmine and worker farm sometimes don't give us access to the actual
+// Error object, so we have to regexp out the message from the stack string
+// to format it.
+
+const separateMessageFromStack = content => {
+  if (!content) {
+    return {
+      message: '',
+      stack: ''
+    };
+  } // All lines up to what looks like a stack -- or if nothing looks like a stack
+  // (maybe it's a code frame instead), just the first non-empty line.
+  // If the error is a plain "Error:" instead of a SyntaxError or TypeError we
+  // remove the prefix from the message because it is generally not useful.
+
+  const messageMatch = content.match(
+    /^(?:Error: )?([\s\S]*?(?=\n\s*at\s.*:\d*:\d*)|\s*.*)([\s\S]*)$/
+  );
+
+  if (!messageMatch) {
+    // For typescript
+    throw new Error('If you hit this error, the regex above is buggy.');
+  }
+
+  const message = removeBlankErrorLine(messageMatch[1]);
+  const stack = removeBlankErrorLine(messageMatch[2]);
+  return {
+    message,
+    stack
+  };
+};
+
+exports.separateMessageFromStack = separateMessageFromStack;
diff --git a/node_modules/jest-message-util/build/types.d.ts b/node_modules/jest-message-util/build/types.d.ts
new file mode 100644
index 0000000..9a95b77
--- /dev/null
+++ b/node_modules/jest-message-util/build/types.d.ts
@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+import type { StackData } from 'stack-utils';
+export interface Frame extends StackData {
+    file: string;
+}
diff --git a/node_modules/jest-message-util/build/types.js b/node_modules/jest-message-util/build/types.js
new file mode 100644
index 0000000..ad9a93a
--- /dev/null
+++ b/node_modules/jest-message-util/build/types.js
@@ -0,0 +1 @@
+'use strict';