47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
'use strict';
|
|
|
|
var fo = require('../../file-operations');
|
|
var getCodec = require('../../codecs');
|
|
var DEFAULT_ENCODING = require('../../constants').DEFAULT_ENCODING;
|
|
|
|
function writeBuffer(file, optResolver, onWritten) {
|
|
var flags = fo.getFlags({
|
|
overwrite: optResolver.resolve('overwrite', file),
|
|
append: optResolver.resolve('append', file),
|
|
});
|
|
|
|
var encoding = optResolver.resolve('encoding', file);
|
|
var codec = getCodec(encoding);
|
|
if (encoding && !codec) {
|
|
return onWritten(new Error('Unsupported encoding: ' + encoding));
|
|
}
|
|
|
|
var opt = {
|
|
mode: file.stat.mode,
|
|
flags: flags,
|
|
};
|
|
|
|
var contents = file.contents;
|
|
|
|
if (encoding && codec.enc !== DEFAULT_ENCODING) {
|
|
contents = getCodec(DEFAULT_ENCODING).decode(contents);
|
|
contents = codec.encode(contents);
|
|
}
|
|
|
|
fo.writeFile(file.path, contents, opt, onWriteFile);
|
|
|
|
function onWriteFile(writeErr, fd) {
|
|
if (writeErr) {
|
|
return fo.closeFd(writeErr, fd, onWritten);
|
|
}
|
|
|
|
fo.updateMetadata(fd, file, onUpdate);
|
|
|
|
function onUpdate(updateErr) {
|
|
fo.closeFd(updateErr, fd, onWritten);
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = writeBuffer;
|