bifocal/node_modules/gulp-zip/index.js

99 lines
2.4 KiB
JavaScript

'use strict';
const path = require('path');
const BufferConstants = require('buffer').constants;
const Vinyl = require('vinyl');
const PluginError = require('plugin-error');
const through = require('through2');
const Yazl = require('yazl');
const getStream = require('get-stream');
module.exports = (filename, options) => {
if (!filename) {
throw new PluginError('gulp-zip', '`filename` required');
}
options = {
compress: true,
buffer: true,
...options
};
let firstFile;
const zip = new Yazl.ZipFile();
return through.obj((file, encoding, callback) => {
if (!firstFile) {
firstFile = file;
}
// Because Windows...
const pathname = file.relative.replace(/\\/g, '/');
if (!pathname) {
callback();
return;
}
if (file.isNull() && file.stat && file.stat.isDirectory && file.stat.isDirectory()) {
zip.addEmptyDirectory(pathname, {
mtime: options.modifiedTime || file.stat.mtime || new Date()
// Do *not* pass a mode for a directory, because it creates platform-dependent
// ZIP files (ZIP files created on Windows that cannot be opened on macOS).
// Re-enable if this PR is resolved: https://github.com/thejoshwolfe/yazl/pull/59
// mode: file.stat.mode
});
} else {
const stat = {
compress: options.compress,
mtime: options.modifiedTime || (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);
}
}
callback();
}, function (callback) {
if (!firstFile) {
callback();
return;
}
(async () => {
let data;
if (options.buffer) {
try {
data = await getStream.buffer(zip.outputStream, {maxBuffer: BufferConstants.MAX_LENGTH});
} catch (error) {
if (error instanceof getStream.MaxBufferError) {
callback(new PluginError('gulp-zip', 'The output ZIP file is too big to store in a buffer (larger than Buffer MAX_LENGTH). To output a stream instead, set the gulp-zip buffer option to `false`.'));
} else {
callback(error);
}
return;
}
} else {
data = zip.outputStream;
}
this.push(new Vinyl({
cwd: firstFile.cwd,
base: firstFile.base,
path: path.join(firstFile.base, filename),
contents: data
}));
callback();
})();
zip.end();
});
};