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'use strict';
const path = require('path');
const gutil = require('gulp-util');
const through = require('through2');
const Yazl = require('yazl');
const getStream = require('get-stream');
module.exports = (filename, opts) => {
if (!filename) {
throw new gutil.PluginError('gulp-zip', '`filename` required');
}
opts = Object.assign({
compress: true
}, opts);
let firstFile;
const zip = new Yazl.ZipFile();
return through.obj((file, enc, cb) => {
if (!firstFile) {
firstFile = file;
}
// Because Windows...
const pathname = file.relative.replace(/\\/g, '/');
if (!pathname) {
cb();
return;
}
if (file.isNull() && file.stat && file.stat.isDirectory && file.stat.isDirectory()) {
zip.addEmptyDirectory(pathname, {
mtime: file.stat.mtime || new Date(),
mode: file.stat.mode
});
} else {
const stat = {
compress: opts.compress,
mtime: file.stat ? file.stat.mtime : new Date(),
mode: file.stat ? file.stat.mode : null
};
if (file.isStream()) {
zip.addReadStream(file.contents, pathname, stat);
}
if (file.isBuffer()) {
zip.addBuffer(file.contents, pathname, stat);
}
}
cb();
}, function (cb) {
if (!firstFile) {
cb();
return;
}
getStream.buffer(zip.outputStream).then(data => {
this.push(new gutil.File({
cwd: firstFile.cwd,
base: firstFile.base,
path: path.join(firstFile.base, filename),
contents: data
}));
cb(); // eslint-disable-line promise/no-callback-in-promise
});
zip.end();
});
};
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