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Contribute to html language server with a custom language.
Fixes microsoft#146730 Signed-off-by: azerr <[email protected]>
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116
extensions/html-language-features/client/src/htmlLanguageContribution.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| /*--------------------------------------------------------------------------------------------- | ||
| * Copyright (c) Microsoft Corporation. All rights reserved. | ||
| * Licensed under the MIT License. See License.txt in the project root for license information. | ||
| *--------------------------------------------------------------------------------------------*/ | ||
|
|
||
| import * as vscode from 'vscode'; | ||
| import { DocumentSelector } from 'vscode-languageclient'; | ||
| import { isDeepStrictEqual } from 'util'; | ||
|
|
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| const RELOAD_WINDOW = 'workbench.action.reloadWindow'; | ||
|
|
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| let existingExtensions: HtmlLanguageContribution[]; | ||
|
|
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| /** | ||
| * Html language contribution. | ||
| */ | ||
| export interface HtmlLanguageContribution { | ||
| languageId: string; | ||
| autoInsert: false; | ||
| } | ||
|
|
||
| /** | ||
| * Returns all Html language contributions from package.json | ||
| * | ||
| * @param extensions array of extensions to search contributions from | ||
| */ | ||
| export function collectHtmlLanguageContributions(extensions: readonly vscode.Extension<any>[]): HtmlLanguageContribution[] { | ||
| const result: HtmlLanguageContribution[] = []; | ||
| if (extensions && extensions.length) { | ||
| for (const extension of extensions) { | ||
| const htmlLanguages = extension.packageJSON?.contributes?.htmlLanguages; | ||
| if (Array.isArray(htmlLanguages)) { | ||
| htmlLanguages.forEach(htmlLanguage => { | ||
| const htmlLanguageContribution = createHtmlLanguageContribution(htmlLanguage); | ||
| if (htmlLanguageContribution) { | ||
| result.push(htmlLanguageContribution); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
| } | ||
| // Make a copy of extensions: | ||
| existingExtensions = result.slice(); | ||
| return result; | ||
| } | ||
|
|
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| export function handleExtensionChange(extensions: readonly vscode.Extension<any>[]): void { | ||
| if (!existingExtensions) { | ||
| return; | ||
| } | ||
| const oldExtensions = new Set(existingExtensions.slice()); | ||
| const newExtensions = collectHtmlLanguageContributions(extensions); | ||
| let hasChanged = (oldExtensions.size !== newExtensions.length); | ||
| if (!hasChanged) { | ||
| for (const newExtension of newExtensions) { | ||
| let found = false; | ||
| for (const oldExtension of oldExtensions) { | ||
| if (isDeepStrictEqual(oldExtension, newExtension)) { | ||
| found = true; | ||
| break; | ||
| } | ||
| } | ||
| if (found) { | ||
| continue; | ||
| } else { | ||
| hasChanged = true; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
|
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| if (hasChanged) { | ||
| const msg = `Extensions to the Html Language Server changed, reloading ${vscode.env.appName} is required for the changes to take effect.`; | ||
| const action = 'Reload'; | ||
| vscode.window.showWarningMessage(msg, action).then((selection) => { | ||
| if (action === selection) { | ||
| vscode.commands.executeCommand(RELOAD_WINDOW); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Returns the document selector. | ||
| * | ||
| * The returned document selector contains the html document selectors | ||
| * and all document selectors contained in `htmlContributions`. | ||
| * | ||
| * @param htmlContributions Html language server contributions from other VS Code extensions | ||
| */ | ||
| export function getDocumentSelector(htmlContributions: HtmlLanguageContribution[]): DocumentSelector { | ||
| let documentSelector: DocumentSelector = [ | ||
| 'html' | ||
| ]; | ||
| htmlContributions.forEach((contribution: HtmlLanguageContribution) => { | ||
| documentSelector = documentSelector.concat(contribution.languageId); | ||
| }); | ||
| return documentSelector; | ||
| } | ||
|
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| export function getSupportedLanguagesAutoInsert(htmlContributions: HtmlLanguageContribution[]): { [id: string]: boolean } { | ||
| const supportedLanguages: { [id: string]: boolean } = { html: true }; | ||
| htmlContributions.forEach((contribution: HtmlLanguageContribution) => { | ||
| supportedLanguages[contribution.languageId] = contribution.autoInsert; | ||
| }); | ||
| return supportedLanguages; | ||
| } | ||
|
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| function createHtmlLanguageContribution(section: any): HtmlLanguageContribution | undefined { | ||
| const languageId: string | undefined = section.languageId; | ||
| if (!languageId) { | ||
| return; | ||
| } | ||
| const autoInsert = section.autoInsert === true ? true : false; | ||
| return { languageId, autoInsert } as HtmlLanguageContribution; | ||
| } |
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