127 lines
3.8 KiB
JavaScript
127 lines
3.8 KiB
JavaScript
import React, { PropTypes } from 'react';
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import ReactDOM from 'react-dom';
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import escapeStringRegexp from 'escape-string-regexp';
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import srcDoc from 'srcdoc-polyfill';
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class PreviewFrame extends React.Component {
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componentDidMount() {
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if (this.props.isPlaying) {
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this.renderFrameContents();
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}
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}
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componentDidUpdate(prevProps) {
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if (this.props.isPlaying !== prevProps.isPlaying) {
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this.renderSketch();
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}
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if (this.props.isPlaying && this.props.content !== prevProps.content) {
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this.renderSketch();
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}
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}
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componentWillUnmount() {
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ReactDOM.unmountComponentAtNode(ReactDOM.findDOMNode(this).contentDocument.body);
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}
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clearPreview() {
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const doc = ReactDOM.findDOMNode(this);
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doc.srcDoc = '';
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}
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injectLocalFiles() {
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let htmlFile = this.props.htmlFile.content;
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// have to build the array manually because the spread operator is only
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// one level down...
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const jsFiles = [];
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this.props.jsFiles.forEach(jsFile => {
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const newJSFile = { ...jsFile };
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const jsFileStrings = newJSFile.content.match(/(['"])((\\\1|.)*?)\1/gm);
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jsFileStrings.forEach(jsFileString => {
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if (jsFileString.match(/^('|")(?!(http:\/\/|https:\/\/)).*\.(png|jpg|jpeg|gif|bmp)('|")$/)) {
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const filePath = jsFileString.substr(1, jsFileString.length - 2);
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let fileName = filePath;
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if (fileName.match(/^\.\//)) {
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fileName = fileName.substr(2, fileName.length - 1);
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} else if (fileName.match(/^\//)) {
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fileName = fileName.substr(1, fileName.length - 1);
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}
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this.props.files.forEach(file => {
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if (file.name === fileName) {
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newJSFile.content = newJSFile.content.replace(filePath, file.blobURL); // eslint-disable-line
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}
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});
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}
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});
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jsFiles.push(newJSFile);
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});
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jsFiles.forEach(jsFile => {
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const fileName = escapeStringRegexp(jsFile.name);
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const fileRegex = new RegExp(`<script.*?src=('|")((\.\/)|\/)?${fileName}('|").*?>([\s\S]*?)<\/script>`, 'gmi');
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htmlFile = htmlFile.replace(fileRegex, `<script>\n${jsFile.content}\n</script>`);
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});
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this.props.cssFiles.forEach(cssFile => {
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const fileName = escapeStringRegexp(cssFile.name);
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const fileRegex = new RegExp(`<link.*?href=('|")((\.\/)|\/)?${fileName}('|").*?>`, 'gmi');
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htmlFile = htmlFile.replace(fileRegex, `<style>\n${cssFile.content}\n</style>`);
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});
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return htmlFile;
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}
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renderSketch() {
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const doc = ReactDOM.findDOMNode(this);
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if (this.props.isPlaying) {
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// TODO add polyfill for this
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// doc.srcdoc = this.injectLocalFiles();
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srcDoc.set(doc, this.injectLocalFiles());
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} else {
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// doc.srcdoc = '';
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srcDoc.set(doc, '');
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doc.contentWindow.document.open();
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doc.contentWindow.document.write('');
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doc.contentWindow.document.close();
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}
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}
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renderFrameContents() {
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const doc = ReactDOM.findDOMNode(this).contentDocument;
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if (doc.readyState === 'complete') {
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this.renderSketch();
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} else {
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setTimeout(this.renderFrameContents, 0);
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}
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}
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render() {
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return (
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<iframe
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className="preview-frame"
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role="region"
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tabIndex="0"
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frameBorder="0"
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title="sketch output"
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sandbox="allow-scripts allow-pointer-lock allow-same-origin allow-popups allow-modals allow-forms"
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></iframe>
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);
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}
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}
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PreviewFrame.propTypes = {
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isPlaying: PropTypes.bool.isRequired,
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head: PropTypes.object.isRequired,
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content: PropTypes.string.isRequired,
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htmlFile: PropTypes.shape({
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content: PropTypes.string.isRequired
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}),
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jsFiles: PropTypes.array.isRequired,
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cssFiles: PropTypes.array.isRequired,
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files: PropTypes.array.isRequired
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};
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export default PreviewFrame;
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