chore(vscode): update to 1.54.2

lib/vscode/extensions/npm/src/readScripts.ts

@@ -0,0 +1,73 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { JSONVisitor, visit } from 'jsonc-parser';
+import { Location, Position, Range, TextDocument } from 'vscode';
+
+export interface INpmScriptReference {
+	name: string;
+	value: string;
+	nameRange: Range;
+	valueRange: Range;
+}
+
+export interface INpmScriptInfo {
+	location: Location;
+	scripts: INpmScriptReference[];
+}
+
+export const readScripts = (document: TextDocument, buffer = document.getText()): INpmScriptInfo | undefined => {
+	let start: Position | undefined;
+	let end: Position | undefined;
+	let inScripts = false;
+	let buildingScript: { name: string; nameRange: Range } | void;
+	let level = 0;
+
+	const scripts: INpmScriptReference[] = [];
+	const visitor: JSONVisitor = {
+		onError() {
+			// no-op
+		},
+		onObjectBegin() {
+			level++;
+		},
+		onObjectEnd(offset) {
+			if (inScripts) {
+				end = document.positionAt(offset);
+				inScripts = false;
+			}
+			level--;
+		},
+		onLiteralValue(value: unknown, offset: number, length: number) {
+			if (buildingScript && typeof value === 'string') {
+				scripts.push({
+					...buildingScript,
+					value,
+					valueRange: new Range(document.positionAt(offset), document.positionAt(offset + length)),
+				});
+				buildingScript = undefined;
+			}
+		},
+		onObjectProperty(property: string, offset: number, length: number) {
+			if (level === 1 && property === 'scripts') {
+				inScripts = true;
+				start = document.positionAt(offset);
+			} else if (inScripts) {
+				buildingScript = {
+					name: property,
+					nameRange: new Range(document.positionAt(offset), document.positionAt(offset + length))
+				};
+			}
+		},
+	};
+
+	visit(buffer, visitor);
+
+	if (start === undefined) {
+		return undefined;
+	}
+
+	return { location: new Location(document.uri, new Range(start, end ?? start)), scripts };
+};