From d47147fb6ad229b1c039aff9d0959b6e281f4df5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= Date: Tue, 14 Feb 2023 17:38:45 +0100 Subject: feat(ext/node): embed std/node into the snapshot (#17724) This commit moves "deno_std/node" in "ext/node" crate. The code is transpiled and snapshotted during the build process. During the first pass a minimal amount of work was done to create the snapshot, a lot of code in "ext/node" depends on presence of "Deno" global. This code will be gradually fixed in the follow up PRs to migrate it to import relevant APIs from "internal:" modules. Currently the code from snapshot is not used in any way, and all Node/npm compatibility still uses code from "https://deno.land/std/node" (or from the location specified by "DENO_NODE_COMPAT_URL"). This will also be handled in a follow up PRs. --------- Co-authored-by: crowlkats Co-authored-by: Divy Srivastava Co-authored-by: Yoshiya Hinosawa --- ext/node/polyfills/internal/crypto/_randomInt.ts | 60 ++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 ext/node/polyfills/internal/crypto/_randomInt.ts (limited to 'ext/node/polyfills/internal/crypto/_randomInt.ts') diff --git a/ext/node/polyfills/internal/crypto/_randomInt.ts b/ext/node/polyfills/internal/crypto/_randomInt.ts new file mode 100644 index 000000000..637251541 --- /dev/null +++ b/ext/node/polyfills/internal/crypto/_randomInt.ts @@ -0,0 +1,60 @@ +// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license. +export default function randomInt(max: number): number; +export default function randomInt(min: number, max: number): number; +export default function randomInt( + max: number, + cb: (err: Error | null, n?: number) => void, +): void; +export default function randomInt( + min: number, + max: number, + cb: (err: Error | null, n?: number) => void, +): void; + +export default function randomInt( + max: number, + min?: ((err: Error | null, n?: number) => void) | number, + cb?: (err: Error | null, n?: number) => void, +): number | void { + if (typeof max === "number" && typeof min === "number") { + [max, min] = [min, max]; + } + if (min === undefined) min = 0; + else if (typeof min === "function") { + cb = min; + min = 0; + } + + if ( + !Number.isSafeInteger(min) || + typeof max === "number" && !Number.isSafeInteger(max) + ) { + throw new Error("max or min is not a Safe Number"); + } + + if (max - min > Math.pow(2, 48)) { + throw new RangeError("max - min should be less than 2^48!"); + } + + if (min >= max) { + throw new Error("Min is bigger than Max!"); + } + + const randomBuffer = new Uint32Array(1); + + globalThis.crypto.getRandomValues(randomBuffer); + + const randomNumber = randomBuffer[0] / (0xffffffff + 1); + + min = Math.ceil(min); + max = Math.floor(max); + + const result = Math.floor(randomNumber * (max - min)) + min; + + if (cb) { + cb(null, result); + return; + } + + return result; +} -- cgit v1.2.3