deno/js/libdeno.ts
2019-03-09 12:30:38 -05:00

40 lines
1.3 KiB
TypeScript

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { window } from "./window";
// The libdeno functions are moved so that users can't access them.
type MessageCallback = (msg: Uint8Array) => void;
interface EvalErrorInfo {
// Is the object thrown a native Error?
isNativeError: boolean;
// Was the error happened during compilation?
isCompileError: boolean;
// The actual thrown entity
// (might be an Error or anything else thrown by the user)
// If isNativeError is true, this is an Error
// eslint-disable-next-line @typescript-eslint/no-explicit-any
thrown: any;
}
interface Libdeno {
recv(cb: MessageCallback): void;
send(control: ArrayBufferView, data?: ArrayBufferView): null | Uint8Array;
print(x: string, isErr?: boolean): void;
shared: ArrayBuffer;
/** Evaluate provided code in the current context.
* It differs from eval(...) in that it does not create a new context.
* Returns an array: [output, errInfo].
* If an error occurs, `output` becomes null and `errInfo` is non-null.
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
evalContext(code: string): [any, EvalErrorInfo | null];
errorToJSON: (e: Error) => string;
}
export const libdeno = window.libdeno as Libdeno;