57 lines
1.6 KiB
JavaScript
57 lines
1.6 KiB
JavaScript
'use strict';
|
|
|
|
var functions = require('../functions.js')
|
|
var retrieveFile = functions.retrieveFile
|
|
|
|
function mime (data) {
|
|
var mime = 'image/jpeg'
|
|
|
|
if (~data.indexOf('iVBORw0K'))
|
|
mime = 'image/png'
|
|
else if (~data.indexOf('R0lGODlh'))
|
|
mime = 'image/gif'
|
|
else if (~data.indexOf('<?xml'))
|
|
mime = 'image/svg+xml'
|
|
|
|
return mime
|
|
}
|
|
|
|
module.exports = {
|
|
|
|
mime: mime,
|
|
|
|
parser: function (window, absBasePath) {
|
|
// <img>, <picture> <img>
|
|
var imgs = window.document.getElementsByTagName('img')
|
|
|
|
for (var i = 0, ilen = imgs.length; i < ilen; i++) {
|
|
var img = imgs[i]
|
|
|
|
if (img.getAttribute('src')) {
|
|
var data = retrieveFile(absBasePath, img.getAttribute('src').trim(), true)
|
|
|
|
img.setAttribute('src', "data:" + mime(data) + ";base64," + data)
|
|
}
|
|
}
|
|
|
|
// <picture> <source>
|
|
var pictures = window.document.getElementsByTagName('picture')
|
|
|
|
for (var i = 0, ilen = pictures.length; i < ilen; i++) {
|
|
var picture = pictures[i]
|
|
var sources = picture.getElementsByTagName('source')
|
|
|
|
for (var s = 0, slen = sources.length; s < slen; s++) {
|
|
var source = sources[s]
|
|
|
|
if (source.getAttribute('srcset')) {
|
|
var data = retrieveFile(absBasePath, source.getAttribute('srcset').trim(), true)
|
|
var type = source.getAttribute('type')
|
|
|
|
source.setAttribute('srcset', "data:" + (type || mime(data)) + ";base64," + data)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|