1 files changed, 0 insertions, 247 deletions
diff --git a/std/node/_utils.ts b/std/node/_utils.ts
deleted file mode 100644
index 62a911843..000000000
--- a/std/node/_utils.ts
+++ /dev/null
@@ -1,247 +0,0 @@
-// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
-import { deferred } from "../async/mod.ts";
-import { assert, assertStringIncludes, fail } from "../testing/asserts.ts";
-
-export type BinaryEncodings = "binary";
-
-export type TextEncodings =
-  | "ascii"
-  | "utf8"
-  | "utf-8"
-  | "utf16le"
-  | "ucs2"
-  | "ucs-2"
-  | "base64"
-  | "latin1"
-  | "hex";
-
-export type Encodings = BinaryEncodings | TextEncodings;
-
-export function notImplemented(msg?: string): never {
-  const message = msg ? `Not implemented: ${msg}` : "Not implemented";
-  throw new Error(message);
-}
-
-export type _TextDecoder = typeof TextDecoder.prototype;
-export const _TextDecoder = TextDecoder;
-
-export type _TextEncoder = typeof TextEncoder.prototype;
-export const _TextEncoder = TextEncoder;
-
-// API helpers
-
-export type MaybeNull<T> = T | null;
-export type MaybeDefined<T> = T | undefined;
-export type MaybeEmpty<T> = T | null | undefined;
-
-export function intoCallbackAPI<T>(
-  // deno-lint-ignore no-explicit-any
-  func: (...args: any[]) => Promise<T>,
-  cb: MaybeEmpty<(err: MaybeNull<Error>, value?: MaybeEmpty<T>) => void>,
-  // deno-lint-ignore no-explicit-any
-  ...args: any[]
-): void {
-  func(...args).then(
-    (value) => cb && cb(null, value),
-    (err) => cb && cb(err),
-  );
-}
-
-export function intoCallbackAPIWithIntercept<T1, T2>(
-  // deno-lint-ignore no-explicit-any
-  func: (...args: any[]) => Promise<T1>,
-  interceptor: (v: T1) => T2,
-  cb: MaybeEmpty<(err: MaybeNull<Error>, value?: MaybeEmpty<T2>) => void>,
-  // deno-lint-ignore no-explicit-any
-  ...args: any[]
-): void {
-  func(...args).then(
-    (value) => cb && cb(null, interceptor(value)),
-    (err) => cb && cb(err),
-  );
-}
-
-export function spliceOne(list: string[], index: number): void {
-  for (; index + 1 < list.length; index++) list[index] = list[index + 1];
-  list.pop();
-}
-
-// Taken from: https://github.com/nodejs/node/blob/ba684805b6c0eded76e5cd89ee00328ac7a59365/lib/internal/util.js#L125
-// Return undefined if there is no match.
-// Move the "slow cases" to a separate function to make sure this function gets
-// inlined properly. That prioritizes the common case.
-export function normalizeEncoding(
-  enc: string | null,
-): TextEncodings | undefined {
-  if (enc == null || enc === "utf8" || enc === "utf-8") return "utf8";
-  return slowCases(enc);
-}
-
-// https://github.com/nodejs/node/blob/ba684805b6c0eded76e5cd89ee00328ac7a59365/lib/internal/util.js#L130
-function slowCases(enc: string): TextEncodings | undefined {
-  switch (enc.length) {
-    case 4:
-      if (enc === "UTF8") return "utf8";
-      if (enc === "ucs2" || enc === "UCS2") return "utf16le";
-      enc = `${enc}`.toLowerCase();
-      if (enc === "utf8") return "utf8";
-      if (enc === "ucs2") return "utf16le";
-      break;
-    case 3:
-      if (enc === "hex" || enc === "HEX" || `${enc}`.toLowerCase() === "hex") {
-        return "hex";
-      }
-      break;
-    case 5:
-      if (enc === "ascii") return "ascii";
-      if (enc === "ucs-2") return "utf16le";
-      if (enc === "UTF-8") return "utf8";
-      if (enc === "ASCII") return "ascii";
-      if (enc === "UCS-2") return "utf16le";
-      enc = `${enc}`.toLowerCase();
-      if (enc === "utf-8") return "utf8";
-      if (enc === "ascii") return "ascii";
-      if (enc === "ucs-2") return "utf16le";
-      break;
-    case 6:
-      if (enc === "base64") return "base64";
-      if (enc === "latin1" || enc === "binary") return "latin1";
-      if (enc === "BASE64") return "base64";
-      if (enc === "LATIN1" || enc === "BINARY") return "latin1";
-      enc = `${enc}`.toLowerCase();
-      if (enc === "base64") return "base64";
-      if (enc === "latin1" || enc === "binary") return "latin1";
-      break;
-    case 7:
-      if (
-        enc === "utf16le" ||
-        enc === "UTF16LE" ||
-        `${enc}`.toLowerCase() === "utf16le"
-      ) {
-        return "utf16le";
-      }
-      break;
-    case 8:
-      if (
-        enc === "utf-16le" ||
-        enc === "UTF-16LE" ||
-        `${enc}`.toLowerCase() === "utf-16le"
-      ) {
-        return "utf16le";
-      }
-      break;
-    default:
-      if (enc === "") return "utf8";
-  }
-}
-
-export function validateIntegerRange(
-  value: number,
-  name: string,
-  min = -2147483648,
-  max = 2147483647,
-): void {
-  // The defaults for min and max correspond to the limits of 32-bit integers.
-  if (!Number.isInteger(value)) {
-    throw new Error(`${name} must be 'an integer' but was ${value}`);
-  }
-
-  if (value < min || value > max) {
-    throw new Error(
-      `${name} must be >= ${min} && <= ${max}. Value was ${value}`,
-    );
-  }
-}
-
-type OptionalSpread<T> = T extends undefined ? []
-  : [T];
-
-export function once<T = undefined>(
-  callback: (...args: OptionalSpread<T>) => void,
-) {
-  let called = false;
-  return function (this: unknown, ...args: OptionalSpread<T>) {
-    if (called) return;
-    called = true;
-    callback.apply(this, args);
-  };
-}
-
-/**
- * @param {number} [expectedExecutions = 1]
- * @param {number} [timeout = 1000] Milliseconds to wait before the promise is forcefully exited
-*/
-export function mustCall<T extends unknown[]>(
-  fn: ((...args: T) => void) = () => {},
-  expectedExecutions = 1,
-  timeout = 1000,
-): [Promise<void>, (...args: T) => void] {
-  if (expectedExecutions < 1) {
-    throw new Error("Expected executions can't be lower than 1");
-  }
-  let timesExecuted = 0;
-  const completed = deferred();
-
-  const abort = setTimeout(() => completed.reject(), timeout);
-
-  function callback(this: unknown, ...args: T) {
-    timesExecuted++;
-    if (timesExecuted === expectedExecutions) {
-      completed.resolve();
-    }
-    fn.apply(this, args);
-  }
-
-  const result = completed
-    .then(() => clearTimeout(abort))
-    .catch(() =>
-      fail(
-        `Async operation not completed: Expected ${expectedExecutions}, executed ${timesExecuted}`,
-      )
-    );
-
-  return [
-    result,
-    callback,
-  ];
-}
-/** Asserts that an error thrown in a callback will not be wrongly caught. */
-export async function assertCallbackErrorUncaught(
-  { prelude, invocation, cleanup }: {
-    /** Any code which needs to run before the actual invocation (notably, any import statements). */
-    prelude?: string;
-    /** 
-     * The start of the invocation of the function, e.g. `open("foo.txt", `.
-     * The callback will be added after it. 
-     */
-    invocation: string;
-    /** Called after the subprocess is finished but before running the assertions, e.g. to clean up created files. */
-    cleanup?: () => Promise<void> | void;
-  },
-) {
-  // Since the error has to be uncaught, and that will kill the Deno process,
-  // the only way to test this is to spawn a subprocess.
-  const p = Deno.run({
-    cmd: [
-      Deno.execPath(),
-      "eval",
-      "--no-check", // Running TSC for every one of these tests would take way too long
-      "--unstable",
-      `${prelude ?? ""}
-
-      ${invocation}(err) => {
-        // If the bug is present and the callback is called again with an error,
-        // don't throw another error, so if the subprocess fails we know it had the correct behaviour.
-        if (!err) throw new Error("success");
-      });`,
-    ],
-    stderr: "piped",
-  });
-  const status = await p.status();
-  const stderr = new TextDecoder().decode(await Deno.readAll(p.stderr));
-  p.close();
-  p.stderr.close();
-  await cleanup?.();
-  assert(!status.success);
-  assertStringIncludes(stderr, "Error: success");
-}