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80 lines
3.4 KiB
TypeScript
80 lines
3.4 KiB
TypeScript
// Copyright 2018 the Deno authors. All rights reserved. MIT license.
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// This is a "special" module, in that it define the global runtime scope of
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// Deno, and therefore it defines a lot of the runtime environemnt that code
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// is evaluated in. We use this file to automatically build the runtime type
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// library.
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// Modules which will make up part of the global public API surface should be
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// imported as namespaces, so when the runtime tpye library is generated they
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// can be expressed as a namespace in the type library.
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import * as blob from "./blob";
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import * as consoleTypes from "./console";
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import * as domTypes from "./dom_types";
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import * as formData from "./form_data";
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import * as fetchTypes from "./fetch";
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import * as headers from "./headers";
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import * as textEncoding from "./text_encoding";
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import * as timers from "./timers";
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import * as url from "./url";
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import * as urlSearchParams from "./url_search_params";
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// These imports are not exposed and therefore are fine to just import the
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// symbols required.
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import { globalEval } from "./global_eval";
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import { libdeno } from "./libdeno";
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// During the build process, augmentations to the variable `window` in this
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// file are tracked and created as part of default library that is built into
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// Deno, we only need to declare the enough to compile Deno.
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declare global {
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const console: consoleTypes.Console;
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const setTimeout: typeof timers.setTimeout;
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}
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// A reference to the global object.
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export const window = globalEval("this");
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// A self reference to the global object.
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window.window = window;
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// Globally available functions and object instances.
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window.atob = textEncoding.atob;
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window.btoa = textEncoding.btoa;
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window.fetch = fetchTypes.fetch;
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window.clearTimeout = timers.clearTimer;
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window.clearInterval = timers.clearTimer;
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window.console = new consoleTypes.Console(libdeno.print);
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window.setTimeout = timers.setTimeout;
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window.setInterval = timers.setInterval;
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// When creating the runtime type library, we use modifications to `window` to
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// determine what is in the global namespace. When we put a class in the
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// namespace, we also need its global instance type as well, otherwise users
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// won't be able to refer to instances.
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// We have to export the type aliases, so that TypeScript _knows_ they are
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// being used, which it cannot statically determine within this module.
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window.Blob = blob.DenoBlob;
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export type Blob = blob.DenoBlob;
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// TODO(ry) Do not export a class implementing the DOM, export the DOM
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// interface. See this comment for implementation hint:
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// https://github.com/denoland/deno/pull/1396#discussion_r243711502
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// window.File = file.DenoFile;
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// export type File = file.DenoFile;
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window.URL = url.URL;
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export type URL = url.URL;
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window.URLSearchParams = urlSearchParams.URLSearchParams;
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export type URLSearchParams = urlSearchParams.URLSearchParams;
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// Using the `as` keyword to use standard compliant interfaces as the Deno
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// implementations contain some implementation details we wouldn't want to
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// expose in the runtime type library.
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window.Headers = headers.Headers as domTypes.HeadersConstructor;
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export type Headers = domTypes.Headers;
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window.FormData = formData.FormData as domTypes.FormDataConstructor;
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export type FormData = domTypes.FormData;
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window.TextEncoder = textEncoding.TextEncoder;
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export type TextEncoder = textEncoding.TextEncoder;
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window.TextDecoder = textEncoding.TextDecoder;
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export type TextDecoder = textEncoding.TextDecoder;
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