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var path = require('path');
var domSerializer = require('dom-serializer');
var editHTMLElement = require('./editHTMLElement');
var fs = require('../../utils/fs');
/**
Render a cheerio DOM as html
@param {HTMLDom} $
@param {HTMLElement} dom
@param {Object}
@return {String}
*/
function renderDOM($, dom, options) {
if (!dom && $._root && $._root.children) {
dom = $._root.children;
}
options = options|| dom.options || $._options;
return domSerializer(dom, options);
}
/**
Replace SVG tag by IMG
@param {String} baseFolder
@param {HTMLDom} $
*/
function svgToImg(baseFolder, $) {
return editHTMLElement($, 'svg', function($svg) {
var content = '<?xml version="1.0" encoding="UTF-8"?>' +
renderDOM($, $svg);
// Generate a filename
return fs.uniqueFilename(baseFolder, 'image.svg')
.then(function(fileName) {
var filePath = path.join(baseFolder, fileName);
// Write the svg to the file
return fs.writeFile(filePath, content, 'utf8')
// Return as image
.then(function() {
$svg.replaceWith('<img src="/' + fileName + '" />');
});
});
});
}
module.exports = svgToImg;
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