BREAKING: remove window.location and self.location (#5034)

This commit removes "location" global available on "window",
"globalThis" and "self".

cli/js/lib.deno.shared_globals.d.ts

@@ -192,7 +192,6 @@ declare function clearInterval(id?: number): void;
 declare function queueMicrotask(func: Function): void;
 
 declare var console: Console;
-declare var location: Location;
 
 declare function addEventListener(
   type: string,
@@ -440,68 +439,6 @@ declare class DOMException extends Error {
   readonly message: string;
 }
 
-/** The location (URL) of the object it is linked to. Changes done on it are
- * reflected on the object it relates to. Both the Document and Window
- * interface have such a linked Location, accessible via Document.location and
- * Window.location respectively. */
-declare interface Location {
-  /** Returns a DOMStringList object listing the origins of the ancestor
-   * browsing contexts, from the parent browsing context to the top-level
-   * browsing context. */
-  readonly ancestorOrigins: DOMStringList;
-  /** Returns the Location object's URL's fragment (includes leading "#" if
-   * non-empty).
-   *
-   * Can be set, to navigate to the same URL with a changed fragment (ignores
-   * leading "#"). */
-  hash: string;
-  /** Returns the Location object's URL's host and port (if different from the
-   * default port for the scheme).
-   *
-   * Can be set, to navigate to the same URL with a changed host and port. */
-  host: string;
-  /** Returns the Location object's URL's host.
-   *
-   * Can be set, to navigate to the same URL with a changed host. */
-  hostname: string;
-  /** Returns the Location object's URL.
-   *
-   * Can be set, to navigate to the given URL. */
-  href: string;
-  toString(): string;
-  /** Returns the Location object's URL's origin. */
-  readonly origin: string;
-  /** Returns the Location object's URL's path.
-   *
-   * Can be set, to navigate to the same URL with a changed path. */
-  pathname: string;
-  /** Returns the Location object's URL's port.
-   *
-   * Can be set, to navigate to the same URL with a changed port. */
-  port: string;
-  /** Returns the Location object's URL's scheme.
-   *
-   * Can be set, to navigate to the same URL with a changed scheme. */
-  protocol: string;
-  /** Returns the Location object's URL's query (includes leading "?" if
-   * non-empty).
-   *
-   * Can be set, to navigate to the same URL with a changed query (ignores
-   * leading "?"). */
-  search: string;
-  /**
-   * Navigates to the given URL.
-   */
-  assign(url: string): void;
-  /**
-   * Reloads the current page.
-   */
-  reload(): void;
-  /** Removes the current page from the session history and navigates to the
-   * given URL. */
-  replace(url: string): void;
-}
-
 type BufferSource = ArrayBufferView | ArrayBuffer;
 type BlobPart = BufferSource | Blob | string;
 

cli/js/lib.deno.window.d.ts

@@ -12,7 +12,6 @@ declare interface Window extends EventTarget {
   readonly self: Window & typeof globalThis;
   onload: ((this: Window, ev: Event) => any) | null;
   onunload: ((this: Window, ev: Event) => any) | null;
-  location: Location;
   crypto: Crypto;
   close: () => void;
   readonly closed: boolean;

cli/js/lib.deno.worker.d.ts

@@ -11,7 +11,6 @@ declare interface DedicatedWorkerGlobalScope {
   self: DedicatedWorkerGlobalScope & typeof globalThis;
   onmessage: (e: MessageEvent) => void;
   onmessageerror: (e: MessageEvent) => void;
-  location: Location;
   onerror: undefined | typeof onerror;
   name: typeof __workerMain.name;
   close: typeof __workerMain.close;

cli/js/ops/runtime.ts

@@ -7,7 +7,6 @@ export interface Start {
   cwd: string;
   debugFlag: boolean;
   denoVersion: string;
-  location: string; // Absolute URL.
   noColor: boolean;
   pid: number;
   repl: boolean;

cli/js/runtime_main.ts

@@ -24,7 +24,6 @@ import { unstableMethods, unstableProperties } from "./globals_unstable.ts";
 import { internalObject, internalSymbol } from "./internals.ts";
 import { setSignals } from "./signals.ts";
 import { replLoop } from "./repl.ts";
-import { LocationImpl } from "./web/location.ts";
 import { setTimeout } from "./web/timers.ts";
 import * as runtime from "./runtime.ts";
 import { log, immutableDefine } from "./util.ts";
@@ -98,19 +97,7 @@ export function bootstrapMainRuntime(): void {
     }
   });
 
-  const {
-    args,
-    cwd,
-    location,
-    noColor,
-    pid,
-    repl,
-    unstableFlag,
-  } = runtime.start();
-
-  const location_ = new LocationImpl(location);
-  immutableDefine(globalThis, "location", location_);
-  Object.freeze(globalThis.location);
+  const { args, cwd, noColor, pid, repl, unstableFlag } = runtime.start();
 
   Object.defineProperties(denoNs, {
     pid: readOnly(pid),

cli/js/runtime_worker.ts

@@ -21,7 +21,6 @@ import { unstableMethods, unstableProperties } from "./globals_unstable.ts";
 import * as denoNs from "./deno.ts";
 import * as denoUnstableNs from "./deno_unstable.ts";
 import * as webWorkerOps from "./ops/web_worker.ts";
-import { LocationImpl } from "./web/location.ts";
 import { log, assert, immutableDefine } from "./util.ts";
 import { MessageEvent, ErrorEvent } from "./web/workers.ts";
 import { TextEncoder } from "./web/text_encoding.ts";
@@ -138,14 +137,10 @@ export function bootstrapWorkerRuntime(
   Object.defineProperties(globalThis, eventTargetProperties);
   Object.defineProperties(globalThis, { name: readOnly(name) });
   setEventTargetData(globalThis);
-  const { location, unstableFlag, pid, noColor, args } = runtime.start(
+  const { unstableFlag, pid, noColor, args } = runtime.start(
     internalName ?? name
   );
 
-  const location_ = new LocationImpl(location);
-  immutableDefine(globalThis, "location", location_);
-  Object.freeze(globalThis.location);
-
   if (unstableFlag) {
     Object.defineProperties(globalThis, unstableMethods);
     Object.defineProperties(globalThis, unstableProperties);

cli/js/tests/location_test.ts

@@ -1,7 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import { unitTest, assert } from "./test_util.ts";
-
-unitTest(function locationBasic(): void {
-  // location example: file:///Users/rld/src/deno/js/unit_tests.ts
-  assert(window.location.toString().endsWith("unit_test_runner.ts"));
-});

cli/js/tests/unit_tests.ts

@@ -33,7 +33,6 @@ import "./headers_test.ts";
 import "./internals_test.ts";
 import "./io_test.ts";
 import "./link_test.ts";
-import "./location_test.ts";
 import "./make_temp_test.ts";
 import "./metrics_test.ts";
 import "./dom_iterable_test.ts";

cli/js/web/README.md

@@ -31,11 +31,6 @@ Some of the Web APIs are using ops under the hood, eg. `console`, `performance`.
   Promise-based HTTP Request API
 - [FormData](https://developer.mozilla.org/en-US/docs/Web/API/FormData): access
   to a `multipart/form-data` serialization
-- [Location](https://developer.mozilla.org/en-US/docs/Web/API/Location): parsing
-  the current script's URL
-  - **Implementation notes:** the `globalThis.location` object cannot be
-    manipulated using `assign()`, `reload()` and `replace()` methods. They are
-    not implemented.
 - [Performance](https://developer.mozilla.org/en-US/docs/Web/API/Performance):
   retrieving current time with a high precision
 - [setTimeout](https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout),

cli/js/web/location.ts

@@ -1,52 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import { notImplemented } from "../util.ts";
-import { getDOMStringList } from "./dom_util.ts";
-
-export class LocationImpl implements Location {
-  #url: URL;
-
-  constructor(url: string) {
-    const u = new URL(url);
-    this.#url = u;
-    this.hash = u.hash;
-    this.host = u.host;
-    this.href = u.href;
-    this.hostname = u.hostname;
-    this.origin = u.protocol + "//" + u.host;
-    this.pathname = u.pathname;
-    this.protocol = u.protocol;
-    this.port = u.port;
-    this.search = u.search;
-  }
-
-  toString(): string {
-    return this.#url.toString();
-  }
-
-  readonly ancestorOrigins: DOMStringList = getDOMStringList([]);
-  hash: string;
-  host: string;
-  hostname: string;
-  href: string;
-  readonly origin: string;
-  pathname: string;
-  port: string;
-  protocol: string;
-  search: string;
-  assign(_url: string): void {
-    throw notImplemented();
-  }
-  reload(): void {
-    throw notImplemented();
-  }
-  replace(_url: string): void {
-    throw notImplemented();
-  }
-}
-
-/** Sets the `window.location` at runtime.
- * @internal */
-export function setLocation(url: string): void {
-  globalThis.location = new LocationImpl(url);
-  Object.freeze(globalThis.location);
-}

cli/js/web/url.ts

@@ -405,7 +405,7 @@ export class URLImpl implements URL {
 
   // TODO(kevinkassimo): implement MediaSource version in the future.
   static createObjectURL(b: Blob): string {
-    const origin = globalThis.location.origin || "http://deno-opaque-origin";
+    const origin = "http://deno-opaque-origin";
     const key = `blob:${origin}/${generateUUID()}`;
     blobURLMap.set(key, b);
     return key;

cli/ops/runtime.rs

@@ -28,7 +28,6 @@ fn op_start(
     "cwd": &env::current_dir().unwrap(),
     "debugFlag": gs.flags.log_level.map_or(false, |l| l == log::Level::Debug),
     "denoVersion": version::DENO,
-    "location": state.main_module.to_string(),
     "noColor": !colors::use_color(),
     "pid": std::process::id(),
     "repl": gs.flags.subcommand == DenoSubcommand::Repl,

cli/tests/if_main.ts

@@ -1,7 +1,6 @@
-if (window.location.toString() == import.meta.url) {
+if (import.meta.main) {
   console.log("main");
 } else {
   console.log("import.meta.url", import.meta.url);
-  console.log("window.location", window.location.toString());
   throw Error("not main");
 }