diff --git a/src/system/decorators/gate.ts b/src/system/decorators/gate.ts
index 331a1e9..5ce0fcb 100644
--- a/src/system/decorators/gate.ts
+++ b/src/system/decorators/gate.ts
@@ -1,22 +1,6 @@
 'use strict';
-import { Uri } from 'vscode';
 import { is as isPromise } from '../promise';
-
-const emptyStr = '';
-
-function defaultResolver(...args: any[]): string {
-	if (args.length === 1) {
-		const arg0 = args[0];
-		if (arg0 == null) return emptyStr;
-		if (typeof arg0 === 'string') return arg0;
-		if (typeof arg0 === 'number' || typeof arg0 === 'boolean' || arg0 instanceof Error) return String(arg0);
-		if (arg0 instanceof Uri) return arg0.toString();
-
-		return JSON.stringify(arg0);
-	}
-
-	return JSON.stringify(args);
-}
+import { resolveProp } from './resolver';
 
 export function gate<T extends (...arg: any) => any>(resolver?: (...args: Parameters<T>) => string) {
 	return (target: any, key: string, descriptor: PropertyDescriptor) => {
@@ -31,9 +15,7 @@ export function gate<T extends (...arg: any) => any>(resolver?: (...args: Parame
 		const gateKey = `$gate$${key}`;
 
 		descriptor.value = function (this: any, ...args: any[]) {
-			const prop =
-				args.length === 0 ? gateKey : `${gateKey}$${(resolver ?? defaultResolver)(...(args as Parameters<T>))}`;
-
+			const prop = resolveProp(gateKey, resolver, ...(args as Parameters<T>));
 			if (!Object.prototype.hasOwnProperty.call(this, prop)) {
 				Object.defineProperty(this, prop, {
 					configurable: false,
diff --git a/src/system/decorators/memoize.ts b/src/system/decorators/memoize.ts
index 93faea6..6c6ba48 100644
--- a/src/system/decorators/memoize.ts
+++ b/src/system/decorators/memoize.ts
@@ -1,21 +1,5 @@
 'use strict';
-
-const emptyStr = '';
-
-function defaultResolver(...args: any[]): string {
-	if (args.length === 1) {
-		const arg0 = args[0];
-		if (arg0 == null) return emptyStr;
-		if (typeof arg0 === 'string') return arg0;
-		if (typeof arg0 === 'number' || typeof arg0 === 'boolean') {
-			return String(arg0);
-		}
-
-		return JSON.stringify(arg0);
-	}
-
-	return JSON.stringify(args);
-}
+import { resolveProp } from './resolver';
 
 export function memoize<T extends (...arg: any) => any>(resolver?: (...args: Parameters<T>) => string) {
 	return (target: any, key: string, descriptor: PropertyDescriptor & Record<string, any>) => {
@@ -38,11 +22,7 @@ export function memoize<T extends (...arg: any) => any>(resolver?: (...args: Par
 
 		let result;
 		descriptor[fnKey] = function (...args: any[]) {
-			const prop =
-				fnKey === 'get' || args.length === 0
-					? memoizeKey
-					: `${memoizeKey}$${(resolver ?? defaultResolver)(...(args as Parameters<T>))}`;
-
+			const prop = resolveProp(memoizeKey, resolver, ...(args as Parameters<T>));
 			if (Object.prototype.hasOwnProperty.call(this, prop)) {
 				result = this[prop];
 
diff --git a/src/system/decorators/resolver.ts b/src/system/decorators/resolver.ts
new file mode 100644
index 0000000..8390fbd
--- /dev/null
+++ b/src/system/decorators/resolver.ts
@@ -0,0 +1,63 @@
+'use strict';
+import { Uri } from 'vscode';
+
+function replacer(key: string, value: any): any {
+	if (key === '') return value;
+
+	if (value == null) return value;
+	if (value instanceof Error) return String(value);
+	if (value instanceof Uri) {
+		// eslint-disable-next-line @typescript-eslint/strict-boolean-expressions
+		if ('sha' in (value as any) && (value as any).sha) {
+			return `${(value as any).sha}:${value.toString()}`;
+		}
+		return value.toString();
+	}
+
+	return value;
+}
+
+export function defaultResolver(...args: any[]): string {
+	if (args.length === 0) return '';
+	if (args.length !== 1) {
+		return JSON.stringify(args, replacer);
+	}
+
+	const arg0 = args[0];
+	if (arg0 == null) return '';
+	if (typeof arg0 === 'string') return arg0;
+	if (typeof arg0 === 'number' || typeof arg0 === 'boolean' || arg0 instanceof Error) return String(arg0);
+	if (arg0 instanceof Uri) {
+		// eslint-disable-next-line @typescript-eslint/strict-boolean-expressions
+		if ('sha' in (arg0 as any) && (arg0 as any).sha) {
+			return `${(arg0 as any).sha}:${arg0.toString()}`;
+		}
+		return arg0.toString();
+	}
+
+	return JSON.stringify(arg0, replacer);
+}
+
+export type Resolver<T extends (...arg: any) => any> = (...args: Parameters<T>) => string;
+
+export function resolveProp<T extends (...arg: any) => any>(
+	key: string,
+	resolver: Resolver<T> | undefined,
+	...args: Parameters<T>
+) {
+	if (args.length === 0) return key;
+
+	let resolved;
+	if (resolver != null) {
+		try {
+			resolved = resolver(...args);
+		} catch {
+			debugger;
+			resolved = defaultResolver(...(args as any));
+		}
+	} else {
+		resolved = defaultResolver(...(args as any));
+	}
+
+	return `${key}$${resolved}`;
+}
diff --git a/src/system/decorators/serialize.ts b/src/system/decorators/serialize.ts
index 99262f4..19cb0f5 100644
--- a/src/system/decorators/serialize.ts
+++ b/src/system/decorators/serialize.ts
@@ -1,21 +1,5 @@
 'use strict';
-import { Uri } from 'vscode';
-
-const emptyStr = '';
-
-function defaultResolver(...args: any[]): string {
-	if (args.length === 1) {
-		const arg0 = args[0];
-		if (arg0 === undefined) return emptyStr;
-		if (typeof arg0 === 'string') return arg0;
-		if (typeof arg0 === 'number' || typeof arg0 === 'boolean' || arg0 instanceof Error) return String(arg0);
-		if (arg0 instanceof Uri) return arg0.toString();
-
-		return JSON.stringify(arg0);
-	}
-
-	return JSON.stringify(args);
-}
+import { resolveProp } from './resolver';
 
 export function serialize<T extends (...arg: any) => any>(
 	resolver?: (...args: Parameters<T>) => string,
@@ -32,11 +16,7 @@ export function serialize<T extends (...arg: any) => any>(
 		const serializeKey = `$serialize$${key}`;
 
 		descriptor.value = function (this: any, ...args: any[]) {
-			const prop =
-				args.length === 0
-					? serializeKey
-					: `${serializeKey}$${(resolver ?? defaultResolver)(...(args as Parameters<T>))}`;
-
+			const prop = resolveProp(serializeKey, resolver, ...(args as Parameters<T>));
 			if (!Object.prototype.hasOwnProperty.call(this, prop)) {
 				Object.defineProperty(this, prop, {
 					configurable: false,