1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
// This module provides an interface to `Deno.core`. For environments// that don't have access to `Deno.core` some APIs are polyfilled, while// some are unavailble and throw on call.// Note: deno_std shouldn't use Deno.core namespace. We should minimize these// usages.
// deno-lint-ignore no-explicit-anyexport let core: any;
// deno-lint-ignore no-explicit-anyconst { Deno } = globalThis as any;
// @ts-ignore Deno.core is not defined in typesif (Deno?.[Deno.internal]?.core) {  // @ts-ignore Deno[Deno.internal].core is not defined in types  core = Deno[Deno.internal].core;} else if (Deno?.core) {  // @ts-ignore Deno.core is not defined in types  core = Deno.core;} else {  core = {    runMicrotasks() {      throw new Error(        "Deno.core.runMicrotasks() is not supported in this environment",      );    },    setHasTickScheduled() {      throw new Error(        "Deno.core.setHasTickScheduled() is not supported in this environment",      );    },    hasTickScheduled() {      throw new Error(        "Deno.core.hasTickScheduled() is not supported in this environment",      );    },    setNextTickCallback: undefined,    setMacrotaskCallback() {      throw new Error(        "Deno.core.setNextTickCallback() is not supported in this environment",      );    },    evalContext(_code: string, _filename: string) {      throw new Error(        "Deno.core.evalContext is not supported in this environment",      );    },    encode(chunk: string): Uint8Array {      return new TextEncoder().encode(chunk);    },    eventLoopHasMoreWork(): boolean {      return false;    },    isProxy(): boolean {      return false;    },    ops: {      op_napi_open(_filename: string) {        throw new Error(          "Node API is not supported in this environment",        );      },    },  };}