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Use async for hover provider

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This commit is contained in:
Matt Bierner
2017-07-27 10:18:26 -07:00
parent 19f17905e7
commit 36a1b225d8
1 changed files with 9 additions and 7 deletions
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16
extensions/typescript/src/features/hoverProvider.ts
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@@ -14,27 +14,29 @@ export default class TypeScriptHoverProvider implements HoverProvider {
public constructor(
private client: ITypescriptServiceClient) { }
public provideHover(document: TextDocument, position: Position, token: CancellationToken): Promise<Hover | undefined | null> {
public async provideHover(document: TextDocument, position: Position, token: CancellationToken): Promise<Hover | undefined> {
const filepath = this.client.normalizePath(document.uri);
if (!filepath) {
return Promise.resolve(null);
return undefined;
}
const args: Proto.FileLocationRequestArgs = {
file: filepath,
line: position.line + 1,
offset: position.character + 1
};
return this.client.execute('quickinfo', args, token).then((response): Hover | undefined => {
try {
const response = await this.client.execute('quickinfo', args, token);
if (response && response.body) {
const data = response.body;
return new Hover(
TypeScriptHoverProvider.getContents(data),
new Range(data.start.line - 1, data.start.offset - 1, data.end.line - 1, data.end.offset - 1));
}
return undefined;
}, () => {
return null;
});
} catch (e) {
// noop
}
return undefined;
}
private static getContents(data: Proto.QuickInfoResponseBody) {