You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
3.5 KiB
120 lines
3.5 KiB
4 years ago
|
'use strict'; // The error overlay is inspired (and mostly copied) from Create React App (https://github.com/facebookincubator/create-react-app)
|
||
|
|
// They, in turn, got inspired by webpack-hot-middleware (https://github.com/glenjamin/webpack-hot-middleware).
|
||
|
|
|
||
|
|
var ansiHTML = require('ansi-html');
|
||
|
|
|
||
|
|
var _require = require('html-entities'),
|
||
|
|
AllHtmlEntities = _require.AllHtmlEntities;
|
||
|
|
|
||
|
|
var entities = new AllHtmlEntities();
|
||
|
|
var colors = {
|
||
|
|
reset: ['transparent', 'transparent'],
|
||
|
|
black: '181818',
|
||
|
|
red: 'E36049',
|
||
|
|
green: 'B3CB74',
|
||
|
|
yellow: 'FFD080',
|
||
|
|
blue: '7CAFC2',
|
||
|
|
magenta: '7FACCA',
|
||
|
|
cyan: 'C3C2EF',
|
||
|
|
lightgrey: 'EBE7E3',
|
||
|
|
darkgrey: '6D7891'
|
||
|
|
};
|
||
|
|
var overlayIframe = null;
|
||
|
|
var overlayDiv = null;
|
||
|
|
var lastOnOverlayDivReady = null;
|
||
|
|
ansiHTML.setColors(colors);
|
||
|
|
|
||
|
|
function createOverlayIframe(onIframeLoad) {
|
||
|
|
var iframe = document.createElement('iframe');
|
||
|
|
iframe.id = 'webpack-dev-server-client-overlay';
|
||
|
|
iframe.src = 'about:blank';
|
||
|
|
iframe.style.position = 'fixed';
|
||
|
|
iframe.style.left = 0;
|
||
|
|
iframe.style.top = 0;
|
||
|
|
iframe.style.right = 0;
|
||
|
|
iframe.style.bottom = 0;
|
||
|
|
iframe.style.width = '100vw';
|
||
|
|
iframe.style.height = '100vh';
|
||
|
|
iframe.style.border = 'none';
|
||
|
|
iframe.style.zIndex = 9999999999;
|
||
|
|
iframe.onload = onIframeLoad;
|
||
|
|
return iframe;
|
||
|
|
}
|
||
|
|
|
||
|
|
function addOverlayDivTo(iframe) {
|
||
|
|
var div = iframe.contentDocument.createElement('div');
|
||
|
|
div.id = 'webpack-dev-server-client-overlay-div';
|
||
|
|
div.style.position = 'fixed';
|
||
|
|
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 = 'rgba(0, 0, 0, 0.85)';
|
||
|
|
div.style.color = '#E8E8E8';
|
||
|
|
div.style.fontFamily = 'Menlo, Consolas, monospace';
|
||
|
|
div.style.fontSize = 'large';
|
||
|
|
div.style.padding = '2rem';
|
||
|
|
div.style.lineHeight = '1.2';
|
||
|
|
div.style.whiteSpace = 'pre-wrap';
|
||
|
|
div.style.overflow = 'auto';
|
||
|
|
iframe.contentDocument.body.appendChild(div);
|
||
|
|
return div;
|
||
|
|
}
|
||
|
|
|
||
|
|
function ensureOverlayDivExists(onOverlayDivReady) {
|
||
|
|
if (overlayDiv) {
|
||
|
|
// Everything is ready, call the callback right away.
|
||
|
|
onOverlayDivReady(overlayDiv);
|
||
|
|
return;
|
||
|
|
} // Creating an iframe may be asynchronous so we'll schedule the callback.
|
||
|
|
// In case of multiple calls, last callback wins.
|
||
|
|
|
||
|
|
|
||
|
|
lastOnOverlayDivReady = onOverlayDivReady;
|
||
|
|
|
||
|
|
if (overlayIframe) {
|
||
|
|
// We've already created it.
|
||
|
|
return;
|
||
|
|
} // Create iframe and, when it is ready, a div inside it.
|
||
|
|
|
||
|
|
|
||
|
|
overlayIframe = createOverlayIframe(function () {
|
||
|
|
overlayDiv = addOverlayDivTo(overlayIframe); // Now we can talk!
|
||
|
|
|
||
|
|
lastOnOverlayDivReady(overlayDiv);
|
||
|
|
}); // Zalgo alert: onIframeLoad() will be called either synchronously
|
||
|
|
// or asynchronously depending on the browser.
|
||
|
|
// We delay adding it so `overlayIframe` is set when `onIframeLoad` fires.
|
||
|
|
|
||
|
|
document.body.appendChild(overlayIframe);
|
||
|
|
} // Successful compilation.
|
||
|
|
|
||
|
|
|
||
|
|
function clear() {
|
||
|
|
if (!overlayDiv) {
|
||
|
|
// It is not there in the first place.
|
||
|
|
return;
|
||
|
|
} // Clean up and reset internal state.
|
||
|
|
|
||
|
|
|
||
|
|
document.body.removeChild(overlayIframe);
|
||
|
|
overlayDiv = null;
|
||
|
|
overlayIframe = null;
|
||
|
|
lastOnOverlayDivReady = null;
|
||
|
|
} // Compilation with errors (e.g. syntax error or missing modules).
|
||
|
|
|
||
|
|
|
||
|
|
function showMessage(messages) {
|
||
|
|
ensureOverlayDivExists(function (div) {
|
||
|
|
// Make it look similar to our terminal.
|
||
|
|
div.innerHTML = "<span style=\"color: #".concat(colors.red, "\">Failed to compile.</span><br><br>").concat(ansiHTML(entities.encode(messages[0])));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
clear: clear,
|
||
|
|
showMessage: showMessage
|
||
|
|
};
|