本文整理汇总了TypeScript中vs/base/common/event.Event.once方法的典型用法代码示例。如果您正苦于以下问题:TypeScript Event.once方法的具体用法?TypeScript Event.once怎么用?TypeScript Event.once使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类vs/base/common/event.Event
的用法示例。
在下文中一共展示了Event.once方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: extractEntry
function extractEntry(stream: Readable, fileName: string, mode: number, targetPath: string, options: IOptions, token: CancellationToken): Promise<void> {
const dirName = path.dirname(fileName);
const targetDirName = path.join(targetPath, dirName);
if (targetDirName.indexOf(targetPath) !== 0) {
return Promise.reject(new Error(nls.localize('invalid file', "Error extracting {0}. Invalid file.", fileName)));
}
const targetFileName = path.join(targetPath, fileName);
let istream: WriteStream;
Event.once(token.onCancellationRequested)(() => {
if (istream) {
istream.destroy();
}
});
return Promise.resolve(mkdirp(targetDirName, undefined, token)).then(() => new Promise<void>((c, e) => {
if (token.isCancellationRequested) {
return;
}
try {
istream = createWriteStream(targetFileName, { mode });
istream.once('close', () => c());
istream.once('error', e);
stream.once('error', e);
stream.pipe(istream);
} catch (error) {
e(error);
}
}));
}
示例2: extractZip
function extractZip(zipfile: ZipFile, targetPath: string, options: IOptions, logService: ILogService, token: CancellationToken): Promise<void> {
let last = createCancelablePromise<void>(() => Promise.resolve());
let extractedEntriesCount = 0;
Event.once(token.onCancellationRequested)(() => {
logService.debug(targetPath, 'Cancelled.');
last.cancel();
zipfile.close();
});
return new Promise((c, e) => {
const throttler = new Sequencer();
const readNextEntry = (token: CancellationToken) => {
if (token.isCancellationRequested) {
return;
}
extractedEntriesCount++;
zipfile.readEntry();
};
zipfile.once('error', e);
zipfile.once('close', () => last.then(() => {
if (token.isCancellationRequested || zipfile.entryCount === extractedEntriesCount) {
c();
} else {
e(new ExtractError('Incomplete', new Error(nls.localize('incompleteExtract', "Incomplete. Found {0} of {1} entries", extractedEntriesCount, zipfile.entryCount))));
}
}, e));
zipfile.readEntry();
zipfile.on('entry', (entry: Entry) => {
if (token.isCancellationRequested) {
return;
}
if (!options.sourcePathRegex.test(entry.fileName)) {
readNextEntry(token);
return;
}
const fileName = entry.fileName.replace(options.sourcePathRegex, '');
// directory file names end with '/'
if (/\/$/.test(fileName)) {
const targetFileName = path.join(targetPath, fileName);
last = createCancelablePromise(token => mkdirp(targetFileName, void 0, token).then(() => readNextEntry(token)).then(void 0, e));
return;
}
const stream = ninvoke(zipfile, zipfile.openReadStream, entry);
const mode = modeFromEntry(entry);
last = createCancelablePromise(token => throttler.queue(() => stream.then(stream => extractEntry(stream, fileName, mode, targetPath, options, token).then(() => readNextEntry(token)))).then(null!, e));
});
});
}
示例3: triggerAriaAlert
private triggerAriaAlert(notifiation: INotificationViewItem): void {
// Trigger the alert again whenever the label changes
const listener = notifiation.onDidLabelChange(e => {
if (e.kind === NotificationViewItemLabelKind.MESSAGE) {
this.doTriggerAriaAlert(notifiation);
}
});
Event.once(notifiation.onDidClose)(() => listener.dispose());
this.doTriggerAriaAlert(notifiation);
}
示例4: ensureWriteFileQueue
function ensureWriteFileQueue(queueKey: string): Queue<void> {
let writeFileQueue = writeFilePathQueue[queueKey];
if (!writeFileQueue) {
writeFileQueue = new Queue<void>();
writeFilePathQueue[queueKey] = writeFileQueue;
const onFinish = Event.once(writeFileQueue.onFinished);
onFinish(() => {
delete writeFilePathQueue[queueKey];
writeFileQueue.dispose();
});
}
return writeFileQueue;
}
示例5: ensureWriteFileQueue
function ensureWriteFileQueue(queueKey: string): Queue<void> {
const existingWriteFileQueue = writeFilePathQueues.get(queueKey);
if (existingWriteFileQueue) {
return existingWriteFileQueue;
}
const writeFileQueue = new Queue<void>();
writeFilePathQueues.set(queueKey, writeFileQueue);
const onFinish = Event.once(writeFileQueue.onFinished);
onFinish(() => {
writeFilePathQueues.delete(queueKey);
writeFileQueue.dispose();
});
return writeFileQueue;
}