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MOBILE-2642 desktop: Fix write file in chunks

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This commit is contained in:
dpalou 2018-09-28 13:46:17 +02:00
parent 8f99fab2e4
commit 06bc1c1bfe
1 changed files with 15 additions and 6 deletions
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21
src/core/emulator/classes/filesystem.ts
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@ -592,13 +592,22 @@ export class FileWriterMock {
* @param {Buffer} data The data to write.
*/
protected writeFile(data: Buffer): void {
this.fs.writeFile(this.localURL, data, (err) => {
if (err) {
this.onerror && this.onerror(err);
} else {
this.onwrite && this.onwrite();
}
/* Create a write stream so we can specify where to start writing. Node's Writable stream doesn't allow specifying the
position once it's been created, that's why we need to create it everytime write is called. */
const stream = this.fs.createWriteStream(this.localURL, {flags: 'r+', start: this.position});
stream.on('error', (err) => {
this.onerror && this.onerror(err);
});
stream.end(data, () => {
// Update the position.
this.position += data.length;
this.onwrite && this.onwrite();
this.onwriteend && this.onwriteend();
stream.destroy();
});
this.onwritestart && this.onwritestart();