本文整理汇总了TypeScript中neuroglancer/util/promise.cancellableThen函数的典型用法代码示例。如果您正苦于以下问题：TypeScript cancellableThen函数的具体用法？TypeScript cancellableThen怎么用？TypeScript cancellableThen使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了cancellableThen函数的4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: volumeCompleter
export function volumeCompleter(url: string): CancellablePromise<CompletionResult> {
// Check if url matches a protocol. Note that protocolPattern always matches.
let protocolMatch = url.match(protocolPattern)!;
let protocol = protocolMatch[1];
if (protocol === undefined) {
// Return protocol completions.
let completions: Completion[] = [];
for (let [name, factory] of dataSourceFactories) {
name = name + '://';
if (name.startsWith(url)) {
completions.push({value: name, description: factory.description});
}
}
return Promise.resolve({offset: 0, completions});
}
let factory = dataSourceFactories.get(protocol);
if (factory !== undefined) {
let subCompleter = factory.volumeCompleter;
if (subCompleter !== undefined) {
return cancellableThen(
subCompleter(protocolMatch[2]),
completions => applyCompletionOffset(protocol.length + 3, completions));
}
}
return Promise.reject<CompletionResult>(null);
}示例2: tokenAndChannelCompleter
export function tokenAndChannelCompleter(hostnames: string[], path: string): CancellablePromise<CompletionResult> {
let channelMatch = path.match(/^(?:([^\/]+)(?:\/([^\/]*))?)?$/);
if (channelMatch === null) {
// URL has incorrect format, don't return any results.
return Promise.reject<CompletionResult>(null);
}
if (channelMatch[2] === undefined) {
let keyPrefix = channelMatch[1] || '';
// Try to complete the token.
return getPublicTokens(hostnames).then(tokens => {
return {
offset: 0,
completions:
getPrefixMatchesWithDescriptions(keyPrefix, tokens, x => x + '/', x => undefined)
};
});
}
return cancellableThen(getVolumeInfo(hostnames, channelMatch[1]), response => {
let completions: Completion[] = [];
if (typeof response === 'object' && response !== null && !Array.isArray(response)) {
let channelsObject = response['channels'];
if (typeof channelsObject === 'object' && channelsObject !== null &&
!Array.isArray(channelsObject)) {
let channelNames = Object.keys(channelsObject);
completions =
getPrefixMatchesWithDescriptions(channelMatch[2], channelNames, x => x, x => {
let channelObject = channelsObject[x];
return `${channelObject['channel_type']} (${channelObject['datatype']})`;
});
}
}
return {offset: channelMatch[1].length + 1, completions};
});
}示例3: tokenAndChannelCompleter
export function tokenAndChannelCompleter(
hostnames: string[], path: string): CancellablePromise<CompletionResult> {
let channelMatch = path.match(/^(?:([^\/]+)(?:\/([^\/]*))?)?$/);
if (channelMatch === null) {
// URL has incorrect format, don't return any results.
return Promise.reject<CompletionResult>(null);
}
if (channelMatch[2] === undefined) {
let keyPrefix = channelMatch[1] || '';
// Try to complete the token.
return getPublicTokens(hostnames).then(tokens => {
return {
offset: 0,
completions:
getPrefixMatchesWithDescriptions(keyPrefix, tokens, x => x + '/', x => undefined)
};
});
}
return cancellableThen(getTokenInfo(hostnames, channelMatch[1]), tokenInfo => {
let completions = getPrefixMatchesWithDescriptions(
channelMatch![2], tokenInfo.channels, x => x[0],
x => { return `${x[1].channelType} (${DataType[x[1].dataType]})`; });
return {offset: channelMatch![1].length + 1, completions};
});
}示例4: volumeCompleter
export function volumeCompleter(url: string): CancellablePromise<CompletionResult> {
let match = url.match(urlPattern);
if (match === null) {
// We don't yet have a full hostname.
return Promise.reject<CompletionResult>(null);
}
let hostnames = [match[1]];
let path = match[2];
return cancellableThen(
tokenAndChannelCompleter(hostnames, path),
completions => applyCompletionOffset(match[1].length + 1, completions));
}