Tweaking error overlay styles (#2201)

* Tweaked overlay styles

* Tweaked pre-style

* Clicked to background overlay dismiss

* Tidied up styles tobe more mobile Safari friendly

* Re-enabled pre-wrap

* Margin fixes

* Base font-size 10 -> 11px

* Error overlay is full-screen now based on feedback

* Make "N errors on the page" visible again

* Fix bottom margin of frame location and lack of tab nav

* Add tooltip to close button

* Bring compile error styles closer to runtime overlay

* s/when/if/

Author: bvaughn

packages/react-dev-utils/ansiHTML.js

@@ -15,18 +15,18 @@ var Anser = require('anser');
 // var base00 = 'ffffff'; // Default Background
 var base01 = 'f5f5f5'; // Lighter Background (Used for status bars)
 // var base02 = 'c8c8fa'; // Selection Background
-var base03 = '969896'; // Comments, Invisibles, Line Highlighting
+var base03 = '6e6e6e'; // Comments, Invisibles, Line Highlighting
 // var base04 = 'e8e8e8'; // Dark Foreground (Used for status bars)
 var base05 = '333333'; // Default Foreground, Caret, Delimiters, Operators
 // var base06 = 'ffffff'; // Light Foreground (Not often used)
 // var base07 = 'ffffff'; // Light Background (Not often used)
-var base08 = 'ed6a43'; // Variables, XML Tags, Markup Link Text, Markup Lists, Diff Deleted
+var base08 = '881280'; // Variables, XML Tags, Markup Link Text, Markup Lists, Diff Deleted
 // var base09 = '0086b3'; // Integers, Boolean, Constants, XML Attributes, Markup Link Url
 // var base0A = '795da3'; // Classes, Markup Bold, Search Text Background
-var base0B = '183691'; // Strings, Inherited Class, Markup Code, Diff Inserted
-var base0C = '183691'; // Support, Regular Expressions, Escape Characters, Markup Quotes
+var base0B = '1155cc'; // Strings, Inherited Class, Markup Code, Diff Inserted
+var base0C = '994500'; // Support, Regular Expressions, Escape Characters, Markup Quotes
 // var base0D = '795da3'; // Functions, Methods, Attribute IDs, Headings
-var base0E = 'a71d5d'; // Keywords, Storage, Selector, Markup Italic, Diff Changed
+var base0E = 'c80000'; // Keywords, Storage, Selector, Markup Italic, Diff Changed
 // var base0F = '333333'; // Deprecated, Opening/Closing Embedded Language Tags e.g. <?php ?>
 
 // Map ANSI colors from what babel-code-frame uses to base16-github

packages/react-dev-utils/webpackHotDevClient.js

@@ -26,8 +26,6 @@ var Entities = require('html-entities').AllHtmlEntities;
 var ansiHTML = require('./ansiHTML');
 var entities = new Entities();
 
-var red = '#E36049';
-
 function createOverlayIframe(onIframeLoad) {
   var iframe = document.createElement('iframe');
   iframe.id = 'react-dev-utils-webpack-hot-dev-client-overlay';
@@ -46,28 +44,53 @@ function createOverlayIframe(onIframeLoad) {
 }
 
 function addOverlayDivTo(iframe) {
+  // TODO: unify these styles with react-error-overlay
+  iframe.contentDocument.body.style.margin = 0;
+  iframe.contentDocument.body.style.maxWidth = '100vw';
+
+  var outerDiv = iframe.contentDocument.createElement('div');
+  outerDiv.id = 'react-dev-utils-webpack-hot-dev-client-overlay-div';
+  outerDiv.style.width = '100%';
+  outerDiv.style.height = '100%';
+  outerDiv.style.boxSizing = 'border-box';
+  outerDiv.style.textAlign = 'center';
+  outerDiv.style.backgroundColor = 'rgb(255, 255, 255)';
+
   var div = iframe.contentDocument.createElement('div');
-  div.id = 'react-dev-utils-webpack-hot-dev-client-overlay-div';
-  div.style.position = 'fixed';
+  div.style.position = 'relative';
+  div.style.display = 'inline-flex';
+  div.style.flexDirection = 'column';
+  div.style.height = '100%';
+  div.style.width = '1024px';
+  div.style.maxWidth = '100%';
+  div.style.overflowX = 'hidden';
+  div.style.overflowY = 'auto';
+  div.style.padding = '0.5rem';
   div.style.boxSizing = 'border-box';
-  div.style.left = 0;
-  div.style.top = 0;
-  div.style.right = 0;
-  div.style.bottom = 0;
-  div.style.width = '100vw';
-  div.style.height = '100vh';
-  div.style.backgroundColor = '#fafafa';
-  div.style.color = '#333';
-  div.style.fontFamily = 'Menlo, Consolas, monospace';
-  div.style.fontSize = 'large';
-  div.style.padding = '2rem';
-  div.style.lineHeight = '1.2';
+  div.style.textAlign = 'start';
+  div.style.fontFamily = 'Consolas, Menlo, monospace';
+  div.style.fontSize = '11px';
   div.style.whiteSpace = 'pre-wrap';
-  div.style.overflow = 'auto';
-  iframe.contentDocument.body.appendChild(div);
+  div.style.wordBreak = 'break-word';
+  div.style.lineHeight = '1.5';
+  div.style.color = 'rgb(41, 50, 56)';
+
+  outerDiv.appendChild(div);
+  iframe.contentDocument.body.appendChild(outerDiv);
   return div;
 }
 
+function overlayHeaderStyle() {
+  return 'font-size: 2em;' +
+    'font-family: sans-serif;' +
+    'color: rgb(206, 17, 38);' +
+    'white-space: pre-wrap;' +
+    'margin: 0.75rem 2rem 0px 0px;' +
+    'flex: 0 0 auto;' +
+    'max-height: 35%;' +
+    'overflow: auto;';
+}
+
 var overlayIframe = null;
 var overlayDiv = null;
 var lastOnOverlayDivReady = null;
@@ -103,11 +126,21 @@ function ensureOverlayDivExists(onOverlayDivReady) {
 
 function showErrorOverlay(message) {
   ensureOverlayDivExists(function onOverlayDivReady(overlayDiv) {
-    // Make it look similar to our terminal.
-    overlayDiv.innerHTML = '<span style="color: ' +
-      red +
-      '">Failed to compile.</span><br><br>' +
-      ansiHTML(entities.encode(message));
+    // TODO: unify this with our runtime overlay
+    overlayDiv.innerHTML = '<div style="' +
+      overlayHeaderStyle() +
+      '">Failed to compile</div><br><br>' +
+      '<pre style="' +
+      'display: block; padding: 0.5em; margin-top: 0.5em; ' +
+      'margin-bottom: 0.5em; overflow-x: auto; white-space: pre-wrap; ' +
+      'border-radius: 0.25rem; background-color: rgba(206, 17, 38, 0.05)">' +
+      '<code style="font-family: Consolas, Menlo, monospace;">' +
+      ansiHTML(entities.encode(message)) +
+      '</code></pre>' +
+      '<div style="' +
+      'font-family: sans-serif; color: rgb(135, 142, 145); margin-top: 0.5rem; ' +
+      'flex: 0 0 auto">' +
+      'This error occurred during the build time and cannot be dismissed.</div>';
   });
 }
 

packages/react-error-overlay/src/components/additional.js

@@ -16,16 +16,14 @@ function updateAdditional(
     additionalReference.removeChild(additionalReference.lastChild);
   }
 
-  let text = ' ';
   if (totalErrors <= 1) {
-    additionalReference.appendChild(document.createTextNode(text));
     return;
   }
-  text = `Errors ${currentError} of ${totalErrors}`;
+
   const span = document.createElement('span');
-  span.appendChild(document.createTextNode(text));
   const group = document.createElement('span');
   applyStyles(group, groupStyle);
+
   const left = document.createElement('button');
   applyStyles(left, groupElemLeft);
   left.addEventListener('click', function(e: MouseEvent) {
@@ -34,6 +32,7 @@ function updateAdditional(
   });
   left.appendChild(document.createTextNode('←'));
   enableTabClick(left);
+
   const right = document.createElement('button');
   applyStyles(right, groupElemRight);
   right.addEventListener('click', function(e: MouseEvent) {
@@ -42,9 +41,14 @@ function updateAdditional(
   });
   right.appendChild(document.createTextNode('→'));
   enableTabClick(right);
+
   group.appendChild(left);
   group.appendChild(right);
   span.appendChild(group);
+
+  const text = `${currentError} of ${totalErrors} errors on the page`;
+  span.appendChild(document.createTextNode(text));
+
   additionalReference.appendChild(span);
 }
 

packages/react-error-overlay/src/components/close.js

@@ -2,9 +2,10 @@
 import { applyStyles } from '../utils/dom/css';
 import { hintsStyle, hintStyle, closeButtonStyle } from '../styles';
 
-function createHint(document: Document, hint: string) {
+function createHint(document: Document, hint: string, title: string) {
   const span = document.createElement('span');
   span.appendChild(document.createTextNode(hint));
+  span.setAttribute('title', title);
   applyStyles(span, hintStyle);
   return span;
 }
@@ -14,7 +15,7 @@ function createClose(document: Document, callback: CloseCallback) {
   const hints = document.createElement('div');
   applyStyles(hints, hintsStyle);
 
-  const close = createHint(document, '×');
+  const close = createHint(document, '×', 'Click or press Escape to dismiss.');
   close.addEventListener('click', () => callback());
   applyStyles(close, closeButtonStyle);
   hints.appendChild(close);

packages/react-error-overlay/src/components/footer.js

@@ -7,7 +7,7 @@ function createFooter(document: Document) {
   applyStyles(div, footerStyle);
   div.appendChild(
     document.createTextNode(
-      'This screen is visible only in development. It will not appear when the app crashes in production.'
+      'This screen is visible only in development. It will not appear if the app crashes in production.'
     )
   );
   div.appendChild(document.createElement('br'));

packages/react-error-overlay/src/components/frame.js

@@ -120,6 +120,7 @@ function frameDiv(
 
   if (typeof onSourceClick === 'function') {
     let handler = onSourceClick;
+    enableTabClick(frameAnchor);
     frameAnchor.style.cursor = 'pointer';
     frameAnchor.addEventListener('click', function() {
       handler();

packages/react-error-overlay/src/components/overlay.js

@@ -1,6 +1,11 @@
 /* @flow */
 import { applyStyles } from '../utils/dom/css';
-import { overlayStyle, headerStyle, additionalStyle } from '../styles';
+import {
+  containerStyle,
+  overlayStyle,
+  headerStyle,
+  additionalStyle,
+} from '../styles';
 import { createClose } from './close';
 import { createFrames } from './frames';
 import { createFooter } from './footer';
@@ -28,24 +33,12 @@ function createOverlay(
   // Create overlay
   const overlay = document.createElement('div');
   applyStyles(overlay, overlayStyle);
-  overlay.appendChild(createClose(document, closeCallback));
 
   // Create container
   const container = document.createElement('div');
-  container.className = 'cra-container';
+  applyStyles(container, containerStyle);
   overlay.appendChild(container);
-
-  // Create additional
-  const additional = document.createElement('div');
-  applyStyles(additional, additionalStyle);
-  container.appendChild(additional);
-  updateAdditional(
-    document,
-    additional,
-    currentError,
-    totalErrors,
-    switchCallback
-  );
+  container.appendChild(createClose(document, closeCallback));
 
   // Create header
   const header = document.createElement('div');
@@ -71,6 +64,18 @@ function createOverlay(
   header.appendChild(document.createTextNode(finalMessage));
   container.appendChild(header);
 
+  // Create "Errors X of Y" in case of multiple errors
+  const additional = document.createElement('div');
+  applyStyles(additional, additionalStyle);
+  updateAdditional(
+    document,
+    additional,
+    currentError,
+    totalErrors,
+    switchCallback
+  );
+  container.appendChild(additional);
+
   // Create trace
   container.appendChild(
     createFrames(document, frames, frameSettings, contextSize, name)

packages/react-error-overlay/src/overlay.js

@@ -35,7 +35,7 @@ import type { ErrorRecordReference } from './utils/errorRegister';
 
 import type { StackFrame } from './utils/stack-frame';
 import { iframeStyle } from './styles';
-import { injectCss, applyStyles } from './utils/dom/css';
+import { applyStyles } from './utils/dom/css';
 import { createOverlay } from './components/overlay';
 import { updateAdditional } from './components/additional';
 
@@ -45,33 +45,6 @@ let additionalReference = null;
 let errorReferences: ErrorRecordReference[] = [];
 let currReferenceIndex: number = -1;
 
-const css = [
-  '.cra-container {',
-  '  padding-right: 15px;',
-  '  padding-left: 15px;',
-  '  margin-right: auto;',
-  '  margin-left: auto;',
-  '}',
-  '',
-  '@media (min-width: 768px) {',
-  '  .cra-container {',
-  '    width: calc(750px - 6em);',
-  '  }',
-  '}',
-  '',
-  '@media (min-width: 992px) {',
-  '  .cra-container {',
-  '    width: calc(970px - 6em);',
-  '  }',
-  '}',
-  '',
-  '@media (min-width: 1200px) {',
-  '  .cra-container {',
-  '    width: calc(1170px - 6em);',
-  '  }',
-  '}',
-].join('\n');
-
 function render(name: ?string, message: string, resolvedFrames: StackFrame[]) {
   disposeCurrentView();
 
@@ -105,9 +78,13 @@ function render(name: ?string, message: string, resolvedFrames: StackFrame[]) {
         keyEventHandler(type => shortcutHandler(type), event);
       };
     }
-    injectCss(iframeReference.contentDocument, css);
     if (document.body != null) {
-      document.body.appendChild(overlay);
+      document.body.style.margin = '0';
+      // Keep popup within body boundaries for iOS Safari
+      // $FlowFixMe
+      document.body.style['max-width'] = '100vw';
+
+      (document.body: any).appendChild(overlay);
     }
     additionalReference = additional;
   };