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denoland-deno/js/libdeno.ts
Kitson Kelly a21a5ad2fa Add Deno global namespace (#1748)
Resolves #1705

This PR adds the Deno APIs as a global namespace named `Deno`. For backwards
compatibility, the ability to `import * from "deno"` is preserved. I have tried
to convert every test and internal code the references the module to use the
namespace instead, but because I didn't break compatibility I am not sure.

On the REPL, `deno` no longer exists, replaced only with `Deno` to align with
the regular runtime.

The runtime type library includes both the namespace and module. This means it
duplicates the whole type information. When we remove the functionality from the
runtime, it will be a one line change to the library generator to remove the
module definition from the type library.

I marked a `TODO` in a couple places where to remove the `"deno"` module, but
there are additional places I know I didn't mark.
2019-02-12 10:08:56 -05:00

44 lines
1.3 KiB
TypeScript

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { globalEval } from "./global_eval";
// 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;
}
const window = globalEval("this");
export const libdeno = window.libdeno as Libdeno;