add hw2

node_modules/@tootallnate/quickjs-emscripten/dist/vm-interface.d.ts

@@ -0,0 +1,68 @@
+/**
+ * Used as an optional.
+ * `{ value: S } | { error: E }`.
+ */
+export type SuccessOrFail<S, F> = {
+    value: S;
+    error?: undefined;
+} | {
+    error: F;
+};
+export declare function isSuccess<S, F>(successOrFail: SuccessOrFail<S, F>): successOrFail is {
+    value: S;
+};
+export declare function isFail<S, F>(successOrFail: SuccessOrFail<S, F>): successOrFail is {
+    error: F;
+};
+/**
+ * Used as an optional for results of a Vm call.
+ * `{ value: VmHandle } | { error: VmHandle }`.
+ */
+export type VmCallResult<VmHandle> = SuccessOrFail<VmHandle, VmHandle>;
+/**
+ * A VmFunctionImplementation takes handles as arguments.
+ * It should return a handle, or be void.
+ *
+ * To indicate an exception, a VMs can throw either a handle (transferred
+ * directly) or any other Javascript value (only the poperties `name` and
+ * `message` will be transferred). Or, the VmFunctionImplementation may return
+ * a VmCallResult's `{ error: handle }` error variant.
+ *
+ * VmFunctionImplementation should not free its arguments or its return value.
+ * It should not retain a reference to its return value or thrown error.
+ */
+export type VmFunctionImplementation<VmHandle> = (this: VmHandle, ...args: VmHandle[]) => VmHandle | VmCallResult<VmHandle> | void;
+/**
+ * A minimal interface to a Javascript execution environment.
+ *
+ * Higher-level tools should build over the LowLevelJavascriptVm interface to
+ * share as much as possible between executors.
+ *
+ * From https://www.figma.com/blog/how-we-built-the-figma-plugin-system/
+ */
+export interface LowLevelJavascriptVm<VmHandle> {
+    global: VmHandle;
+    undefined: VmHandle;
+    typeof(handle: VmHandle): string;
+    getNumber(handle: VmHandle): number;
+    getString(handle: VmHandle): string;
+    newNumber(value: number): VmHandle;
+    newString(value: string): VmHandle;
+    newObject(prototype?: VmHandle): VmHandle;
+    newFunction(name: string, value: VmFunctionImplementation<VmHandle>): VmHandle;
+    getProp(handle: VmHandle, key: string | VmHandle): VmHandle;
+    setProp(handle: VmHandle, key: string | VmHandle, value: VmHandle): void;
+    defineProp(handle: VmHandle, key: string | VmHandle, descriptor: VmPropertyDescriptor<VmHandle>): void;
+    callFunction(func: VmHandle, thisVal: VmHandle, ...args: VmHandle[]): VmCallResult<VmHandle>;
+    evalCode(code: string, filename?: string): VmCallResult<VmHandle>;
+}
+/**
+ * From https://www.figma.com/blog/how-we-built-the-figma-plugin-system/
+ */
+export interface VmPropertyDescriptor<VmHandle> {
+    value?: VmHandle;
+    configurable?: boolean;
+    enumerable?: boolean;
+    get?: (this: VmHandle) => VmHandle;
+    set?: (this: VmHandle, value: VmHandle) => void;
+}