kopia lustrzana https://github.com/FacilMap/facilmap
50 wiersze
1.3 KiB
JavaScript
50 wiersze
1.3 KiB
JavaScript
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var cheerio = require("cheerio");
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var through = require('through2');
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var mime = require('mime');
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var path = require('path');
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var fs = require('fs');
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var gutil = require('gulp-util');
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function replacePath(ssrc, file) {
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var isdata = ssrc.indexOf("data");
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if (ssrc != "" && typeof ssrc != 'undefined' && isdata !== 0) {
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var spath = path.isAbsolute(ssrc) ? path.join(file.base, ssrc) : path.resolve(path.dirname(file.path), ssrc);
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var mtype = mime.lookup(spath);
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if (mtype != 'application/octet-stream') {
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var sfile = fs.readFileSync(spath);
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var simg64 = new Buffer(sfile).toString('base64');
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return 'data:' + mtype + ';base64,' + simg64;
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}
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}
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}
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module.exports = function() {
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return through.obj(function(file, enc, callback) {
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if (file.isNull()) {
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this.push(file);
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// do nothing if no contents
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return callback();
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}
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if (file.isStream()) {
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this.emit('error', new gutil.PluginError('gulp-img64', 'Streaming not supported'));
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return callback();
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}
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if (file.isBuffer()) {
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var $ = cheerio.load(String(file.contents));
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$('img').each(function() {
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$(this).attr('src', replacePath($(this).attr('src'), file));
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});
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$('link[rel~=icon]').each(function() {
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$(this).attr('href', replacePath($(this).attr('href'), file));
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});
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file.contents = new Buffer($.html());
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return callback(null, file);
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}
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});
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};
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