p5.js-web-editor/server/utils/previewGeneration.js
2018-02-01 16:45:19 -05:00

103 lines
3.9 KiB
JavaScript

import { resolvePathToFile } from '../utils/filePath';
import {
MEDIA_FILE_REGEX,
STRING_REGEX,
TEXT_FILE_REGEX,
EXTERNAL_LINK_REGEX,
NOT_EXTERNAL_LINK_REGEX
} from './fileUtils';
function resolveLinksInString(content, files, projectId) {
let newContent = content;
let fileStrings = content.match(STRING_REGEX);
const fileStringRegex = /^('|")(?!(http:\/\/|https:\/\/)).*('|")$/i;
fileStrings = fileStrings || [];
fileStrings.forEach((fileString) => {
// if string does not begin with http or https
if (fileString.match(fileStringRegex)) {
const filePath = fileString.substr(1, fileString.length - 2);
const resolvedFile = resolvePathToFile(filePath, files);
if (resolvedFile) {
if (resolvedFile.url) {
newContent = newContent.replace(filePath, resolvedFile.url);
} else if (resolvedFile.name.match(TEXT_FILE_REGEX)) {
let resolvedFilePath = filePath;
if (resolvedFilePath.startsWith('.')) {
resolvedFilePath = resolvedFilePath.substr(1);
}
while (resolvedFilePath.startsWith('/')) {
resolvedFilePath = resolvedFilePath.substr(1);
}
newContent = newContent.replace(filePath, `/sketches/${projectId}/assets/${resolvedFilePath}`);
}
}
}
});
return newContent;
}
export function injectMediaUrls(filesToInject, allFiles, projectId) {
filesToInject.forEach((file) => {
file.content = resolveLinksInString(file.content, allFiles, projectId);
});
}
export function resolvePathsForElementsWithAttribute(attr, sketchDoc, files) {
const elements = sketchDoc.querySelectorAll(`[${attr}]`);
const elementsArray = Array.prototype.slice.call(elements);
elementsArray.forEach((element) => {
if (element.getAttribute(attr).match(MEDIA_FILE_REGEX)) {
const resolvedFile = resolvePathToFile(element.getAttribute(attr), files);
if (resolvedFile && resolvedFile.url) {
element.setAttribute(attr, resolvedFile.url);
}
}
});
}
export function resolveScripts(sketchDoc, files, projectId) {
const scriptsInHTML = sketchDoc.getElementsByTagName('script');
const scriptsInHTMLArray = Array.prototype.slice.call(scriptsInHTML);
scriptsInHTMLArray.forEach((script) => {
if (script.getAttribute('src') && script.getAttribute('src').match(NOT_EXTERNAL_LINK_REGEX) !== null) {
const resolvedFile = resolvePathToFile(script.getAttribute('src'), files);
if (resolvedFile) {
if (resolvedFile.url) {
script.setAttribute('src', resolvedFile.url);
} else {
script.removeAttribute('src');
script.innerHTML = resolvedFile.content;
}
}
} else if (!(script.getAttribute('src') && script.getAttribute('src').match(EXTERNAL_LINK_REGEX) !== null)) {
script.innerHTML = resolveLinksInString(script.innerHTML, files, projectId);
}
});
}
export function resolveStyles(sketchDoc, files, projectId) {
const inlineCSSInHTML = sketchDoc.getElementsByTagName('style');
const inlineCSSInHTMLArray = Array.prototype.slice.call(inlineCSSInHTML);
inlineCSSInHTMLArray.forEach((style) => {
style.innerHTML = resolveLinksInString(style.innerHTML, files, projectId);
});
const cssLinksInHTML = sketchDoc.querySelectorAll('link[rel="stylesheet"]');
const cssLinksInHTMLArray = Array.prototype.slice.call(cssLinksInHTML);
cssLinksInHTMLArray.forEach((css) => {
if (css.getAttribute('href') && css.getAttribute('href').match(NOT_EXTERNAL_LINK_REGEX) !== null) {
const resolvedFile = resolvePathToFile(css.getAttribute('href'), files);
if (resolvedFile) {
if (resolvedFile.url) {
css.setAttribute('href', resolvedFile.url);
} else {
const style = sketchDoc.createElement('style');
style.innerHTML = `\n${resolvedFile.content}`;
sketchDoc.getElementsByTagName('head')[0].appendChild(style);
css.parentNode.removeChild(css);
}
}
}
});
}