Add volar-service-yaml (#45)

Co-authored-by: Erika <[email protected]>
Co-authored-by: Johnson Chu <[email protected]>

packages/yaml/package.json

@@ -0,0 +1,29 @@
+{
+	"name": "volar-service-yaml",
+	"version": "0.0.11",
+	"main": "out/index.js",
+	"license": "MIT",
+	"files": [
+		"out/**/*.js",
+		"out/**/*.d.ts"
+	],
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/volarjs/services.git",
+		"directory": "packages/yaml"
+	},
+	"dependencies": {
+		"yaml-language-server": "1.14.0"
+	},
+	"devDependencies": {
+		"vscode-languageserver-textdocument": "^1.0.8"
+	},
+	"peerDependencies": {
+		"@volar/language-service": "~1.10.0"
+	},
+	"peerDependenciesMeta": {
+		"@volar/language-service": {
+			"optional": true
+		}
+	}
+}

packages/yaml/src/index.ts

@@ -0,0 +1,129 @@
+import { type Service } from '@volar/language-service';
+import { type TextDocument } from 'vscode-languageserver-textdocument';
+import { type LanguageSettings, type LanguageService } from 'yaml-language-server';
+import { getLanguageService } from 'yaml-language-server';
+
+export interface Provide {
+	'yaml/languageService': () => LanguageService;
+}
+
+function isYaml(document: TextDocument): boolean {
+	return document.languageId === 'yaml';
+}
+
+function noop(): undefined { }
+
+/**
+ * Create a Volar language service for YAML documents.
+ */
+export default (settings: LanguageSettings): Service<Provide> => {
+	return (context): ReturnType<Service<Provide>> => {
+
+		if (!context) {
+			return { triggerCharacters: [' ', ':'] } as any;
+		}
+
+		const ls = getLanguageService({
+			schemaRequestService: async (uri) => await context.env.fs?.readFile(uri) ?? '',
+			telemetry: {
+				send: noop,
+				sendError: noop,
+				sendTrack: noop
+			},
+			// @ts-expect-error https://github.com/redhat-developer/yaml-language-server/pull/910
+			clientCapabilities: context?.env?.clientCapabilities,
+			workspaceContext: {
+				resolveRelativePath(relativePath, resource) {
+					return String(new URL(relativePath, resource));
+				}
+			},
+		});
+
+		ls.configure({
+			completion: true,
+			customTags: [],
+			format: true,
+			hover: true,
+			isKubernetes: false,
+			validate: true,
+			yamlVersion: '1.2',
+			...settings
+		});
+
+		return {
+			provide: {
+				'yaml/languageService': () => ls
+			},
+
+			triggerCharacters: [' ', ':'],
+
+			provideCodeActions(document, range, context) {
+				if (isYaml(document)) {
+					return ls.getCodeAction(document, {
+						context,
+						range,
+						textDocument: document
+					});
+				}
+			},
+
+			provideCodeLenses(document) {
+				if (isYaml(document)) {
+					return ls.getCodeLens(document);
+				}
+			},
+
+			provideCompletionItems(document, position) {
+				if (isYaml(document)) {
+					return ls.doComplete(document, position, false);
+				}
+			},
+
+			provideDefinition(document, position) {
+				if (isYaml(document)) {
+					return ls.doDefinition(document, { position, textDocument: document });
+				}
+			},
+
+			provideDiagnostics(document) {
+				if (isYaml(document)) {
+					return ls.doValidation(document, false);
+				}
+			},
+
+			provideDocumentSymbols(document) {
+				if (isYaml(document)) {
+					return ls.findDocumentSymbols2(document, {});
+				}
+			},
+
+			provideHover(document, position) {
+				if (isYaml(document)) {
+					return ls.doHover(document, position);
+				}
+			},
+
+			provideDocumentLinks(document) {
+				if (isYaml(document)) {
+					return ls.findLinks(document);
+				}
+			},
+
+			provideFoldingRanges(document) {
+				if (isYaml(document)) {
+					return ls.getFoldingRanges(document, {});
+				}
+			},
+
+			provideSelectionRanges(document, positions) {
+				if (isYaml(document)) {
+					return ls.getSelectionRanges(document, positions);
+				}
+			},
+
+			resolveCodeLens(codeLens) {
+				return ls.resolveCodeLens(codeLens);
+			},
+		};
+	};
+}

packages/yaml/tsconfig.build.json

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+{
+	"extends": "../../tsconfig.json",
+	"compilerOptions": {
+		"noEmit": false,
+		"outDir": "out",
+		"rootDir": "src",
+	},
+	"include": [
+		"src",
+	],
+}