268 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			268 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
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function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
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function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); }
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function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
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// The error overlay is inspired (and mostly copied) from Create React App (https://github.com/facebookincubator/create-react-app)
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// They, in turn, got inspired by webpack-hot-middleware (https://github.com/glenjamin/webpack-hot-middleware).
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import ansiHTML from "ansi-html-community";
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import { encode } from "html-entities";
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import { listenToRuntimeError, listenToUnhandledRejection, parseErrorToStacks } from "./overlay/runtime-error.js";
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import createOverlayMachine from "./overlay/state-machine.js";
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import { containerStyle, dismissButtonStyle, headerStyle, iframeStyle, msgStyles, msgTextStyle, msgTypeStyle } from "./overlay/styles.js";
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var colors = {
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  reset: ["transparent", "transparent"],
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  black: "181818",
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  red: "E36049",
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  green: "B3CB74",
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  yellow: "FFD080",
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  blue: "7CAFC2",
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  magenta: "7FACCA",
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  cyan: "C3C2EF",
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  lightgrey: "EBE7E3",
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  darkgrey: "6D7891"
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};
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ansiHTML.setColors(colors);
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/**
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 * @param {string} type
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 * @param {string  | { file?: string, moduleName?: string, loc?: string, message?: string; stack?: string[] }} item
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 * @returns {{ header: string, body: string }}
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 */
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function formatProblem(type, item) {
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  var header = type === "warning" ? "WARNING" : "ERROR";
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  var body = "";
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  if (typeof item === "string") {
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    body += item;
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  } else {
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    var file = item.file || "";
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    // eslint-disable-next-line no-nested-ternary
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    var moduleName = item.moduleName ? item.moduleName.indexOf("!") !== -1 ? "".concat(item.moduleName.replace(/^(\s|\S)*!/, ""), " (").concat(item.moduleName, ")") : "".concat(item.moduleName) : "";
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    var loc = item.loc;
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    header += "".concat(moduleName || file ? " in ".concat(moduleName ? "".concat(moduleName).concat(file ? " (".concat(file, ")") : "") : file).concat(loc ? " ".concat(loc) : "") : "");
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    body += item.message || "";
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  }
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  if (Array.isArray(item.stack)) {
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    item.stack.forEach(function (stack) {
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      if (typeof stack === "string") {
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        body += "\r\n".concat(stack);
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      }
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    });
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  }
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  return {
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    header: header,
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    body: body
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  };
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}
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/**
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 * @typedef {Object} CreateOverlayOptions
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 * @property {string | null} trustedTypesPolicyName
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 * @property {boolean | (error: Error) => void} [catchRuntimeError]
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 */
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/**
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 *
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 * @param {CreateOverlayOptions} options
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 */
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var createOverlay = function createOverlay(options) {
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  /** @type {HTMLIFrameElement | null | undefined} */
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  var iframeContainerElement;
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  /** @type {HTMLDivElement | null | undefined} */
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  var containerElement;
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  /** @type {HTMLDivElement | null | undefined} */
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  var headerElement;
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  /** @type {Array<(element: HTMLDivElement) => void>} */
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  var onLoadQueue = [];
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  /** @type {TrustedTypePolicy | undefined} */
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  var overlayTrustedTypesPolicy;
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  /**
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   *
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   * @param {HTMLElement} element
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   * @param {CSSStyleDeclaration} style
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   */
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  function applyStyle(element, style) {
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    Object.keys(style).forEach(function (prop) {
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      element.style[prop] = style[prop];
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    });
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  }
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  /**
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   * @param {string | null} trustedTypesPolicyName
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   */
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  function createContainer(trustedTypesPolicyName) {
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    // Enable Trusted Types if they are available in the current browser.
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    if (window.trustedTypes) {
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      overlayTrustedTypesPolicy = window.trustedTypes.createPolicy(trustedTypesPolicyName || "webpack-dev-server#overlay", {
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        createHTML: function createHTML(value) {
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          return value;
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        }
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      });
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    }
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    iframeContainerElement = document.createElement("iframe");
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    iframeContainerElement.id = "webpack-dev-server-client-overlay";
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    iframeContainerElement.src = "about:blank";
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    applyStyle(iframeContainerElement, iframeStyle);
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    iframeContainerElement.onload = function () {
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      var contentElement = /** @type {Document} */
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      /** @type {HTMLIFrameElement} */
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      iframeContainerElement.contentDocument.createElement("div");
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      containerElement = /** @type {Document} */
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      /** @type {HTMLIFrameElement} */
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      iframeContainerElement.contentDocument.createElement("div");
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      contentElement.id = "webpack-dev-server-client-overlay-div";
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      applyStyle(contentElement, containerStyle);
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      headerElement = document.createElement("div");
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      headerElement.innerText = "Compiled with problems:";
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      applyStyle(headerElement, headerStyle);
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      var closeButtonElement = document.createElement("button");
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      applyStyle(closeButtonElement, dismissButtonStyle);
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      closeButtonElement.innerText = "×";
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      closeButtonElement.ariaLabel = "Dismiss";
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      closeButtonElement.addEventListener("click", function () {
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        // eslint-disable-next-line no-use-before-define
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        overlayService.send({
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          type: "DISMISS"
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        });
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      });
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      contentElement.appendChild(headerElement);
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      contentElement.appendChild(closeButtonElement);
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      contentElement.appendChild(containerElement);
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      /** @type {Document} */
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      /** @type {HTMLIFrameElement} */
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      iframeContainerElement.contentDocument.body.appendChild(contentElement);
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      onLoadQueue.forEach(function (onLoad) {
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        onLoad( /** @type {HTMLDivElement} */contentElement);
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      });
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      onLoadQueue = [];
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      /** @type {HTMLIFrameElement} */
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      iframeContainerElement.onload = null;
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    };
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    document.body.appendChild(iframeContainerElement);
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  }
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  /**
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   * @param {(element: HTMLDivElement) => void} callback
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   * @param {string | null} trustedTypesPolicyName
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   */
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  function ensureOverlayExists(callback, trustedTypesPolicyName) {
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    if (containerElement) {
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      containerElement.innerHTML = "";
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      // Everything is ready, call the callback right away.
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      callback(containerElement);
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      return;
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    }
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    onLoadQueue.push(callback);
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    if (iframeContainerElement) {
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      return;
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    }
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    createContainer(trustedTypesPolicyName);
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  }
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  // Successful compilation.
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  function hide() {
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    if (!iframeContainerElement) {
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      return;
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    }
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    // Clean up and reset internal state.
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    document.body.removeChild(iframeContainerElement);
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    iframeContainerElement = null;
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    containerElement = null;
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  }
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  // Compilation with errors (e.g. syntax error or missing modules).
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  /**
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   * @param {string} type
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   * @param {Array<string  | { moduleIdentifier?: string, moduleName?: string, loc?: string, message?: string }>} messages
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   * @param {string | null} trustedTypesPolicyName
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   * @param {'build' | 'runtime'} messageSource
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   */
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  function show(type, messages, trustedTypesPolicyName, messageSource) {
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    ensureOverlayExists(function () {
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      headerElement.innerText = messageSource === "runtime" ? "Uncaught runtime errors:" : "Compiled with problems:";
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      messages.forEach(function (message) {
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        var entryElement = document.createElement("div");
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        var msgStyle = type === "warning" ? msgStyles.warning : msgStyles.error;
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        applyStyle(entryElement, _objectSpread(_objectSpread({}, msgStyle), {}, {
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          padding: "1rem 1rem 1.5rem 1rem"
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        }));
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        var typeElement = document.createElement("div");
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        var _formatProblem = formatProblem(type, message),
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          header = _formatProblem.header,
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          body = _formatProblem.body;
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        typeElement.innerText = header;
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        applyStyle(typeElement, msgTypeStyle);
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        if (message.moduleIdentifier) {
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          applyStyle(typeElement, {
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            cursor: "pointer"
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          });
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          // element.dataset not supported in IE
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          typeElement.setAttribute("data-can-open", true);
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          typeElement.addEventListener("click", function () {
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            fetch("/webpack-dev-server/open-editor?fileName=".concat(message.moduleIdentifier));
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          });
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        }
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        // Make it look similar to our terminal.
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        var text = ansiHTML(encode(body));
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        var messageTextNode = document.createElement("div");
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        applyStyle(messageTextNode, msgTextStyle);
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        messageTextNode.innerHTML = overlayTrustedTypesPolicy ? overlayTrustedTypesPolicy.createHTML(text) : text;
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        entryElement.appendChild(typeElement);
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        entryElement.appendChild(messageTextNode);
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        /** @type {HTMLDivElement} */
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        containerElement.appendChild(entryElement);
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      });
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    }, trustedTypesPolicyName);
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  }
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  var overlayService = createOverlayMachine({
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    showOverlay: function showOverlay(_ref) {
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      var _ref$level = _ref.level,
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        level = _ref$level === void 0 ? "error" : _ref$level,
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        messages = _ref.messages,
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        messageSource = _ref.messageSource;
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      return show(level, messages, options.trustedTypesPolicyName, messageSource);
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    },
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    hideOverlay: hide
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  });
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  if (options.catchRuntimeError) {
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    /**
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     * @param {Error | undefined} error
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     * @param {string} fallbackMessage
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     */
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    var handleError = function handleError(error, fallbackMessage) {
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      var errorObject = error instanceof Error ? error : new Error(error || fallbackMessage);
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      var shouldDisplay = typeof options.catchRuntimeError === "function" ? options.catchRuntimeError(errorObject) : true;
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      if (shouldDisplay) {
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        overlayService.send({
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          type: "RUNTIME_ERROR",
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          messages: [{
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            message: errorObject.message,
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            stack: parseErrorToStacks(errorObject)
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          }]
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        });
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      }
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    };
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    listenToRuntimeError(function (errorEvent) {
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      // error property may be empty in older browser like IE
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      var error = errorEvent.error,
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        message = errorEvent.message;
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      if (!error && !message) {
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        return;
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      }
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      handleError(error, message);
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    });
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    listenToUnhandledRejection(function (promiseRejectionEvent) {
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      var reason = promiseRejectionEvent.reason;
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      handleError(reason, "Unknown promise rejection reason");
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    });
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  }
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  return overlayService;
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};
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export { formatProblem, createOverlay }; |