Revamping to matrix style

node_modules/@volar/language-server/lib/features/configurations.js

@@ -0,0 +1,49 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.register = register;
+const vscode = require("vscode-languageserver");
+function register(server) {
+    const configurations = new Map();
+    const didChangeCallbacks = new Set();
+    server.onInitialized(() => {
+        server.connection.onDidChangeConfiguration(params => {
+            configurations.clear(); // TODO: clear only the configurations that changed
+            for (const cb of didChangeCallbacks) {
+                cb(params);
+            }
+        });
+        const didChangeConfiguration = server.initializeParams.capabilities.workspace?.didChangeConfiguration;
+        if (didChangeConfiguration?.dynamicRegistration) {
+            server.connection.client.register(vscode.DidChangeConfigurationNotification.type);
+        }
+    });
+    return {
+        get,
+        onDidChange,
+    };
+    function get(section, scopeUri) {
+        if (!server.initializeParams.capabilities.workspace?.configuration) {
+            return Promise.resolve(undefined);
+        }
+        const didChangeConfiguration = server.initializeParams.capabilities.workspace?.didChangeConfiguration;
+        if (!scopeUri && didChangeConfiguration) {
+            if (!configurations.has(section)) {
+                configurations.set(section, getConfigurationWorker(section, scopeUri));
+            }
+            return configurations.get(section);
+        }
+        return getConfigurationWorker(section, scopeUri);
+    }
+    function onDidChange(cb) {
+        didChangeCallbacks.add(cb);
+        return {
+            dispose() {
+                didChangeCallbacks.delete(cb);
+            },
+        };
+    }
+    async function getConfigurationWorker(section, scopeUri) {
+        return (await server.connection.workspace.getConfiguration({ scopeUri, section })) ?? undefined /* replace null to undefined */;
+    }
+}
+//# sourceMappingURL=configurations.js.map