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denoland-deno/js/libdeno.ts
2019-02-19 21:42:19 -05:00

43 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
thrown: any; // tslint:disable-line:no-any
}
interface Libdeno {
recv(cb: MessageCallback): void;
send(control: ArrayBufferView, data?: ArrayBufferView): null | Uint8Array;
print(x: string, isErr?: boolean): void;
shared: ArrayBuffer;
// DEPRECATED
builtinModules: { [s: string]: object };
/** 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.
*/
evalContext(
code: string
): [any, EvalErrorInfo | null] /* tslint:disable-line:no-any */;
// tslint:disable-next-line:no-any
errorToJSON: (e: Error) => string;
}
export const libdeno = window.libdeno as Libdeno;