本文整理汇总了TypeScript中neuroglancer/util/cancellation.CancellationToken.add方法的典型用法代码示例。如果您正苦于以下问题：TypeScript CancellationToken.add方法的具体用法？TypeScript CancellationToken.add怎么用？TypeScript CancellationToken.add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neuroglancer/util/cancellation.CancellationToken的用法示例。
在下文中一共展示了CancellationToken.add方法的2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: reject
return new Promise<any>((resolve, reject) => {
const abort = () => {
let origXhr = xhr;
xhr = null;
if (origXhr != null) {
origXhr.abort();
}
reject(CANCELED);
};
cancellationToken.add(abort);
function start(credentials: CredentialsWithGeneration<BossToken>) {
if (xhr === null) {
--numPendingRequests;
return;
}
xhr = openShardedHttpRequest(baseUrls, httpCall.path, httpCall.method);
xhr.responseType = httpCall.responseType;
xhr.setRequestHeader('Authorization', `Bearer ${credentials.credentials}`);
if (httpCall.headers !== undefined) {
for (let i = 0; i < httpCall.headers.length; i++) {
let header = httpCall.headers[i];
xhr.setRequestHeader(header.key, header.value);
}
}
xhr.onloadend = function(this: XMLHttpRequest) {
if (xhr === null) {
--numPendingRequests;
return;
}
let status = this.status;
if (status >= 200 && status < 300) {
--numPendingRequests;
resolve(this.response);
} else if (status === 403 || status === 401) {
// Authorization needed.
credentialsProvider.get(credentials, cancellationToken).then(start);
} else if (status === 504) {
// Gateway timeout can occur if the server takes too long to reply. Retry.
credentialsProvider.get(credentials, cancellationToken).then(start);
} else {
--numPendingRequests;
cancellationToken.remove(abort);
reject(HttpError.fromXhr(this));
}
};
xhr.send(httpCall.payload);
}
credentialsProvider.get(/*invalidToken=*/undefined, cancellationToken).then(start);
});示例2: reject
return new Promise<any>((resolve, reject) => {
const abort = () => {
let origXhr = xhr;
xhr = null;
if (origXhr != null) {
origXhr.abort();
}
reject(CANCELED);
};
cancellationToken.add(abort);
function start(token: Token) {
if (xhr === null) {
--numPendingRequests;
return;
}
xhr = openShardedHttpRequest(INSTANCE_BASE_URLS[instance], httpCall.path, httpCall.method);
xhr.responseType = httpCall.responseType;
xhr.setRequestHeader('Authorization', `${token['tokenType']} ${token['accessToken']}`);
xhr.onloadend = function(this: XMLHttpRequest) {
if (xhr === null) {
--numPendingRequests;
return;
}
let status = this.status;
if (status >= 200 && status < 300) {
--numPendingRequests;
cancellationToken.remove(abort);
resolve(this.response);
} else if (status === 401) {
// Authorization needed.
getToken(token).then(start);
} else if (status === 504) {
// Gateway timeout can occur if the server takes too long to reply. Retry.
getToken().then(start);
} else {
--numPendingRequests;
cancellationToken.remove(abort);
reject(HttpError.fromXhr(this));
}
};
xhr.send(httpCall.payload);
}
getToken().then(start);
});