mirror of
https://github.com/idanoo/GoScrobble.git
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120 lines
3.5 KiB
JavaScript
120 lines
3.5 KiB
JavaScript
'use strict'; // 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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var ansiHTML = require('ansi-html');
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var _require = require('html-entities'),
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AllHtmlEntities = _require.AllHtmlEntities;
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var entities = new AllHtmlEntities();
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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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var overlayIframe = null;
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var overlayDiv = null;
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var lastOnOverlayDivReady = null;
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ansiHTML.setColors(colors);
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function createOverlayIframe(onIframeLoad) {
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var iframe = document.createElement('iframe');
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iframe.id = 'webpack-dev-server-client-overlay';
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iframe.src = 'about:blank';
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iframe.style.position = 'fixed';
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iframe.style.left = 0;
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iframe.style.top = 0;
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iframe.style.right = 0;
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iframe.style.bottom = 0;
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iframe.style.width = '100vw';
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iframe.style.height = '100vh';
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iframe.style.border = 'none';
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iframe.style.zIndex = 9999999999;
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iframe.onload = onIframeLoad;
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return iframe;
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}
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function addOverlayDivTo(iframe) {
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var div = iframe.contentDocument.createElement('div');
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div.id = 'webpack-dev-server-client-overlay-div';
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div.style.position = 'fixed';
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div.style.boxSizing = 'border-box';
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div.style.left = 0;
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div.style.top = 0;
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div.style.right = 0;
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div.style.bottom = 0;
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div.style.width = '100vw';
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div.style.height = '100vh';
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div.style.backgroundColor = 'rgba(0, 0, 0, 0.85)';
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div.style.color = '#E8E8E8';
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div.style.fontFamily = 'Menlo, Consolas, monospace';
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div.style.fontSize = 'large';
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div.style.padding = '2rem';
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div.style.lineHeight = '1.2';
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div.style.whiteSpace = 'pre-wrap';
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div.style.overflow = 'auto';
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iframe.contentDocument.body.appendChild(div);
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return div;
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}
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function ensureOverlayDivExists(onOverlayDivReady) {
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if (overlayDiv) {
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// Everything is ready, call the callback right away.
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onOverlayDivReady(overlayDiv);
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return;
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} // Creating an iframe may be asynchronous so we'll schedule the callback.
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// In case of multiple calls, last callback wins.
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lastOnOverlayDivReady = onOverlayDivReady;
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if (overlayIframe) {
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// We've already created it.
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return;
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} // Create iframe and, when it is ready, a div inside it.
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overlayIframe = createOverlayIframe(function () {
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overlayDiv = addOverlayDivTo(overlayIframe); // Now we can talk!
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lastOnOverlayDivReady(overlayDiv);
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}); // Zalgo alert: onIframeLoad() will be called either synchronously
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// or asynchronously depending on the browser.
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// We delay adding it so `overlayIframe` is set when `onIframeLoad` fires.
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document.body.appendChild(overlayIframe);
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} // Successful compilation.
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function clear() {
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if (!overlayDiv) {
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// It is not there in the first place.
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return;
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} // Clean up and reset internal state.
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document.body.removeChild(overlayIframe);
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overlayDiv = null;
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overlayIframe = null;
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lastOnOverlayDivReady = null;
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} // Compilation with errors (e.g. syntax error or missing modules).
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function showMessage(messages) {
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ensureOverlayDivExists(function (div) {
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// Make it look similar to our terminal.
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div.innerHTML = "<span style=\"color: #".concat(colors.red, "\">Failed to compile.</span><br><br>").concat(ansiHTML(entities.encode(messages[0])));
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});
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}
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module.exports = {
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clear: clear,
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showMessage: showMessage
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}; |