259 lines
7.8 KiB
JavaScript
259 lines
7.8 KiB
JavaScript
import React, { PropTypes } from 'react';
|
|
import ReactDOM from 'react-dom';
|
|
import escapeStringRegexp from 'escape-string-regexp';
|
|
import srcDoc from 'srcdoc-polyfill';
|
|
|
|
|
|
const startTag = '@fs-';
|
|
|
|
function getAllScriptOffsets(htmlFile) {
|
|
const offs = [];
|
|
let found = true;
|
|
let lastInd = 0;
|
|
let ind = 0;
|
|
let endFilenameInd = 0;
|
|
let filename = '';
|
|
let lineOffset = 0;
|
|
while (found) {
|
|
ind = htmlFile.indexOf(startTag, lastInd);
|
|
if (ind === -1) {
|
|
found = false;
|
|
} else {
|
|
endFilenameInd = htmlFile.indexOf('.js', ind + startTag.length + 3);
|
|
filename = htmlFile.substring(ind + startTag.length, endFilenameInd);
|
|
lineOffset = htmlFile.substring(0, ind).split('\n').length;
|
|
offs.push([lineOffset, filename]);
|
|
lastInd = ind + 1;
|
|
}
|
|
}
|
|
return offs;
|
|
}
|
|
|
|
|
|
function hijackConsoleLogsScript() {
|
|
const s = `<script>
|
|
var iframeWindow = window;
|
|
var originalConsole = iframeWindow.console;
|
|
iframeWindow.console = {};
|
|
|
|
var methods = [
|
|
'debug', 'clear', 'error', 'info', 'log', 'warn'
|
|
];
|
|
|
|
methods.forEach( function(method) {
|
|
iframeWindow.console[method] = function() {
|
|
originalConsole[method].apply(originalConsole, arguments);
|
|
|
|
var args = Array.from(arguments);
|
|
args = args.map(function(i) {
|
|
// catch objects
|
|
return (typeof i === 'string') ? i : JSON.stringify(i);
|
|
});
|
|
|
|
// post message to parent window
|
|
window.parent.postMessage({
|
|
method: method,
|
|
arguments: args,
|
|
source: 'sketch'
|
|
}, '*');
|
|
};
|
|
});
|
|
</script>`;
|
|
return s;
|
|
}
|
|
function hijackConsoleErrorsScript(offs) {
|
|
const s = `<script>
|
|
function getScriptOff(line) {
|
|
var offs = ${offs};
|
|
var l = 0;
|
|
var file = '';
|
|
for (var i=0; i<offs.length; i++) {
|
|
var n = offs[i][0];
|
|
if (n < line && n > l) {
|
|
l = n;
|
|
file = offs[i][1];
|
|
}
|
|
}
|
|
return [line - l, file];
|
|
}
|
|
|
|
// catch reference errors, via http://stackoverflow.com/a/12747364/2994108
|
|
window.onerror = function (msg, url, lineNumber, columnNo, error) {
|
|
var string = msg.toLowerCase();
|
|
var substring = "script error";
|
|
var data = {};
|
|
|
|
if (string.indexOf(substring) !== -1){
|
|
data = 'Script Error: See Browser Console for Detail';
|
|
} else {
|
|
var fileInfo = getScriptOff(lineNumber);
|
|
data = msg + ' (' + fileInfo[1] + ': line ' + fileInfo[0] + ')';
|
|
}
|
|
window.parent.postMessage({
|
|
method: 'error',
|
|
arguments: data,
|
|
source: 'sketch'
|
|
}, '*');
|
|
return false;
|
|
};
|
|
</script>`;
|
|
return s;
|
|
}
|
|
|
|
class PreviewFrame extends React.Component {
|
|
|
|
componentDidMount() {
|
|
if (this.props.isPlaying) {
|
|
this.renderFrameContents();
|
|
}
|
|
|
|
if (this.props.dispatchConsoleEvent) {
|
|
window.addEventListener('message', (msg) => {
|
|
if (msg.data.source === 'sketch') {
|
|
this.props.dispatchConsoleEvent(msg);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
componentDidUpdate(prevProps) {
|
|
if (this.props.isPlaying !== prevProps.isPlaying) {
|
|
this.renderSketch();
|
|
}
|
|
|
|
if (this.props.isPlaying && this.props.content !== prevProps.content) {
|
|
this.renderSketch();
|
|
}
|
|
|
|
// I apologize for this, it is a hack. A simple way to check if the files have changed.
|
|
if (this.props.isPlaying && this.props.files[0].id !== prevProps.files[0].id) {
|
|
this.renderSketch();
|
|
}
|
|
}
|
|
|
|
componentWillUnmount() {
|
|
ReactDOM.unmountComponentAtNode(ReactDOM.findDOMNode(this).contentDocument.body);
|
|
}
|
|
|
|
clearPreview() {
|
|
const doc = ReactDOM.findDOMNode(this);
|
|
doc.srcDoc = '';
|
|
}
|
|
|
|
injectLocalFiles() {
|
|
let htmlFile = this.props.htmlFile.content;
|
|
let scriptOffs = [];
|
|
|
|
// have to build the array manually because the spread operator is only
|
|
// one level down...
|
|
|
|
htmlFile = hijackConsoleLogsScript() + htmlFile;
|
|
|
|
const jsFiles = [];
|
|
this.props.jsFiles.forEach(jsFile => {
|
|
const newJSFile = { ...jsFile };
|
|
let jsFileStrings = newJSFile.content.match(/(['"])((\\\1|.)*?)\1/gm);
|
|
const jsFileRegex = /^('|")(?!(http:\/\/|https:\/\/)).*\.(png|jpg|jpeg|gif|bmp|mp3|wav|aiff|ogg|json)('|")$/i;
|
|
jsFileStrings = jsFileStrings || [];
|
|
jsFileStrings.forEach(jsFileString => {
|
|
if (jsFileString.match(jsFileRegex)) {
|
|
const filePath = jsFileString.substr(1, jsFileString.length - 2);
|
|
let fileName = filePath;
|
|
if (fileName.match(/^\.\//)) {
|
|
fileName = fileName.substr(2, fileName.length - 1);
|
|
} else if (fileName.match(/^\//)) {
|
|
fileName = fileName.substr(1, fileName.length - 1);
|
|
}
|
|
this.props.files.forEach(file => {
|
|
if (file.name === fileName) {
|
|
newJSFile.content = newJSFile.content.replace(filePath, file.blobURL); // eslint-disable-line
|
|
}
|
|
});
|
|
}
|
|
});
|
|
jsFiles.push(newJSFile);
|
|
});
|
|
|
|
jsFiles.forEach(jsFile => {
|
|
const fileName = escapeStringRegexp(jsFile.name);
|
|
const fileRegex = new RegExp(`<script.*?src=('|")((\.\/)|\/)?${fileName}('|").*?>([\s\S]*?)<\/script>`, 'gmi');
|
|
const replacementString = `<script data-tag="${startTag}${jsFile.name}">\n${jsFile.content}\n</script>`;
|
|
htmlFile = htmlFile.replace(fileRegex, replacementString);
|
|
});
|
|
|
|
this.props.cssFiles.forEach(cssFile => {
|
|
const fileName = escapeStringRegexp(cssFile.name);
|
|
const fileRegex = new RegExp(`<link.*?href=('|")((\.\/)|\/)?${fileName}('|").*?>`, 'gmi');
|
|
htmlFile = htmlFile.replace(fileRegex, `<style>\n${cssFile.content}\n</style>`);
|
|
});
|
|
|
|
if (this.props.textOutput || this.props.isTextOutputPlaying) {
|
|
const htmlHead = htmlFile.match(/(?:<head.*?>)([\s\S]*?)(?:<\/head>)/gmi);
|
|
const headRegex = new RegExp('head', 'i');
|
|
let htmlHeadContents = htmlHead[0].split(headRegex)[1];
|
|
htmlHeadContents = htmlHeadContents.slice(1, htmlHeadContents.length - 2);
|
|
htmlHeadContents += '<script src="/loadData.js"></script>\n';
|
|
htmlHeadContents += '<script src="/interceptor-functions.js"></script>\n';
|
|
htmlHeadContents += '<script src="/intercept-p5.js"></script>\n';
|
|
htmlHeadContents += '<script type="text/javascript" src="/ntc.min.js"></script>';
|
|
htmlFile = htmlFile.replace(/(?:<head.*?>)([\s\S]*?)(?:<\/head>)/gmi, `<head>\n${htmlHeadContents}\n</head>`);
|
|
}
|
|
|
|
scriptOffs = getAllScriptOffsets(htmlFile);
|
|
htmlFile += hijackConsoleErrorsScript(JSON.stringify(scriptOffs));
|
|
|
|
|
|
return htmlFile;
|
|
}
|
|
|
|
renderSketch() {
|
|
const doc = ReactDOM.findDOMNode(this);
|
|
if (this.props.isPlaying) {
|
|
srcDoc.set(doc, this.injectLocalFiles());
|
|
} else {
|
|
doc.srcdoc = '';
|
|
srcDoc.set(doc, ' ');
|
|
}
|
|
}
|
|
|
|
renderFrameContents() {
|
|
const doc = ReactDOM.findDOMNode(this).contentDocument;
|
|
if (doc.readyState === 'complete') {
|
|
this.renderSketch();
|
|
} else {
|
|
setTimeout(this.renderFrameContents, 0);
|
|
}
|
|
}
|
|
|
|
render() {
|
|
return (
|
|
<iframe
|
|
className="preview-frame"
|
|
aria-label="sketch output"
|
|
role="main"
|
|
tabIndex="0"
|
|
frameBorder="0"
|
|
title="sketch output"
|
|
sandbox="allow-scripts allow-pointer-lock allow-same-origin allow-popups allow-modals allow-forms"
|
|
/>
|
|
);
|
|
}
|
|
}
|
|
|
|
PreviewFrame.propTypes = {
|
|
isPlaying: PropTypes.bool.isRequired,
|
|
isTextOutputPlaying: PropTypes.bool.isRequired,
|
|
textOutput: PropTypes.bool.isRequired,
|
|
head: PropTypes.object.isRequired,
|
|
content: PropTypes.string,
|
|
htmlFile: PropTypes.shape({
|
|
content: PropTypes.string.isRequired
|
|
}),
|
|
jsFiles: PropTypes.array.isRequired,
|
|
cssFiles: PropTypes.array.isRequired,
|
|
files: PropTypes.array.isRequired,
|
|
dispatchConsoleEvent: PropTypes.func,
|
|
children: PropTypes.element
|
|
};
|
|
|
|
export default PreviewFrame;
|