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- /*---------------------------------------------------------------------------------------------
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
- var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
- function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
- return new (P || (P = Promise))(function (resolve, reject) {
- function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
- function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
- function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
- step((generator = generator.apply(thisArg, _arguments || [])).next());
- });
- };
- import { AsyncIterableObject } from '../../../base/common/async.js';
- import { CancellationToken } from '../../../base/common/cancellation.js';
- import { onUnexpectedExternalError } from '../../../base/common/errors.js';
- import { registerModelAndPositionCommand } from '../../browser/editorExtensions.js';
- import { HoverProviderRegistry } from '../../common/modes.js';
- export class HoverProviderResult {
- constructor(provider, hover, ordinal) {
- this.provider = provider;
- this.hover = hover;
- this.ordinal = ordinal;
- }
- }
- function executeProvider(provider, ordinal, model, position, token) {
- return __awaiter(this, void 0, void 0, function* () {
- try {
- const result = yield Promise.resolve(provider.provideHover(model, position, token));
- if (result && isValid(result)) {
- return new HoverProviderResult(provider, result, ordinal);
- }
- }
- catch (err) {
- onUnexpectedExternalError(err);
- }
- return undefined;
- });
- }
- export function getHover(model, position, token) {
- const providers = HoverProviderRegistry.ordered(model);
- const promises = providers.map((provider, index) => executeProvider(provider, index, model, position, token));
- return AsyncIterableObject.fromPromises(promises).coalesce();
- }
- export function getHoverPromise(model, position, token) {
- return getHover(model, position, token).map(item => item.hover).toPromise();
- }
- registerModelAndPositionCommand('_executeHoverProvider', (model, position) => getHoverPromise(model, position, CancellationToken.None));
- function isValid(result) {
- const hasRange = (typeof result.range !== 'undefined');
- const hasHtmlContent = typeof result.contents !== 'undefined' && result.contents && result.contents.length > 0;
- return hasRange && hasHtmlContent;
- }
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