本文整理汇总了TypeScript中vs/base/common/async.first函数的典型用法代码示例。如果您正苦于以下问题：TypeScript first函数的具体用法？TypeScript first怎么用？TypeScript first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first函数的3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: provideSignatureHelp
export function provideSignatureHelp(model: ITextModel, position: Position, context: modes.SignatureHelpContext, token: CancellationToken): Promise<modes.SignatureHelp | null | undefined> {
const supports = modes.SignatureHelpProviderRegistry.ordered(model);
return first(supports.map(support => () => {
return Promise.resolve(support.provideSignatureHelp(model, position, token, context)).catch(onUnexpectedExternalError);
}));
}示例2: provideSignatureHelp
export function provideSignatureHelp(model: ITextModel, position: Position): TPromise<SignatureHelp> {
const supports = SignatureHelpProviderRegistry.ordered(model);
return first(supports.map(support => () => {
return asWinJsPromise(token => support.provideSignatureHelp(model, position, token))
.then(undefined, onUnexpectedExternalError);
}));
}示例3: provideSuggestionItems
export function provideSuggestionItems(model: ITextModel, position: Position, snippetConfig: SnippetConfig = 'bottom', onlyFrom?: ISuggestSupport[], context?: SuggestContext): TPromise<ISuggestionItem[]> {
const allSuggestions: ISuggestionItem[] = [];
const acceptSuggestion = createSuggesionFilter(snippetConfig);
position = position.clone();
// get provider groups, always add snippet suggestion provider
const supports = SuggestRegistry.orderedGroups(model);
// add snippets provider unless turned off
if (snippetConfig !== 'none' && _snippetSuggestSupport) {
supports.unshift([_snippetSuggestSupport]);
}
const suggestConext = context || { triggerKind: SuggestTriggerKind.Invoke };
// add suggestions from contributed providers - providers are ordered in groups of
// equal score and once a group produces a result the process stops
let hasResult = false;
const factory = supports.map(supports => () => {
// for each support in the group ask for suggestions
return TPromise.join(supports.map(support => {
if (!isFalsyOrEmpty(onlyFrom) && onlyFrom.indexOf(support) < 0) {
return undefined;
}
return asWinJsPromise(token => support.provideCompletionItems(model, position, suggestConext, token)).then(container => {
const len = allSuggestions.length;
if (container && !isFalsyOrEmpty(container.suggestions)) {
for (let suggestion of container.suggestions) {
if (acceptSuggestion(suggestion)) {
fixOverwriteBeforeAfter(suggestion, container);
allSuggestions.push({
position,
container,
suggestion,
support,
resolve: createSuggestionResolver(support, suggestion, model, position)
});
}
}
}
if (len !== allSuggestions.length && support !== _snippetSuggestSupport) {
hasResult = true;
}
}, onUnexpectedExternalError);
}));
});
const result = first(factory, () => hasResult).then(() => allSuggestions.sort(getSuggestionComparator(snippetConfig)));
// result.then(items => {
// console.log(model.getWordUntilPosition(position), items.map(item => `${item.suggestion.label}, type=${item.suggestion.type}, incomplete?${item.container.incomplete}, overwriteBefore=${item.suggestion.overwriteBefore}`));
// return items;
// }, err => {
// console.warn(model.getWordUntilPosition(position), err);
// });
return result;
}