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fix(ext/node): use primordials in ext/node/polyfills/internal/buffer.mjs (#24993)
Towards #24236
This commit is contained in:
Kenta Moriuchi
GitHub
parent
c5a7f98d82
commit
7211028f1e
1 changed files with 331 additions and 244 deletions
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@ -2,10 +2,59 @@
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Copyright Feross Aboukhadijeh, and other contributors. All rights reserved. MIT license.
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// TODO(petamoriken): enable prefer-primordials for node polyfills
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// deno-lint-ignore-file prefer-primordials
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import { core } from "ext:core/mod.js";
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import { core, primordials } from "ext:core/mod.js";
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const {
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isAnyArrayBuffer,
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isArrayBuffer,
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isDataView,
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isSharedArrayBuffer,
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isTypedArray,
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} = core;
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const {
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ArrayBufferPrototypeGetByteLength,
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ArrayBufferPrototypeGetDetached,
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ArrayIsArray,
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ArrayPrototypeSlice,
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BigInt,
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DataViewPrototypeGetByteLength,
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Float32Array,
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Float64Array,
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MathFloor,
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MathMin,
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Number,
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NumberIsInteger,
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NumberIsNaN,
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NumberMAX_SAFE_INTEGER,
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NumberMIN_SAFE_INTEGER,
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NumberPrototypeToString,
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ObjectCreate,
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ObjectDefineProperty,
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ObjectPrototypeIsPrototypeOf,
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ObjectSetPrototypeOf,
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RangeError,
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SafeRegExp,
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String,
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StringFromCharCode,
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StringPrototypeCharCodeAt,
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StringPrototypeIncludes,
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StringPrototypeReplace,
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StringPrototypeToLowerCase,
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StringPrototypeTrim,
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SymbolFor,
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SymbolToPrimitive,
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TypeError,
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TypeErrorPrototype,
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TypedArrayPrototypeCopyWithin,
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TypedArrayPrototypeFill,
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TypedArrayPrototypeGetBuffer,
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TypedArrayPrototypeGetByteLength,
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TypedArrayPrototypeGetByteOffset,
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TypedArrayPrototypeSet,
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TypedArrayPrototypeSlice,
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TypedArrayPrototypeSubarray,
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Uint8Array,
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Uint8ArrayPrototype,
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} = primordials;
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import { op_is_ascii, op_is_utf8, op_transcode } from "ext:core/ops";
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import { TextDecoder, TextEncoder } from "ext:deno_web/08_text_encoding.js";
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@ -24,11 +73,6 @@ import {
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hexToBytes,
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utf16leToBytes,
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} from "ext:deno_node/internal_binding/_utils.ts";
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import {
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isAnyArrayBuffer,
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isArrayBufferView,
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isTypedArray,
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} from "ext:deno_node/internal/util/types.ts";
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import { normalizeEncoding } from "ext:deno_node/internal/util.mjs";
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import { validateBuffer } from "ext:deno_node/internal/validators.mjs";
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import { isUint8Array } from "ext:deno_node/internal/util/types.ts";
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@ -50,9 +94,13 @@ const utf8Encoder = new TextEncoder();
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// Temporary buffers to convert numbers.
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const float32Array = new Float32Array(1);
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const uInt8Float32Array = new Uint8Array(float32Array.buffer);
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const uInt8Float32Array = new Uint8Array(
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TypedArrayPrototypeGetBuffer(float32Array),
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);
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const float64Array = new Float64Array(1);
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const uInt8Float64Array = new Uint8Array(float64Array.buffer);
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const uInt8Float64Array = new Uint8Array(
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TypedArrayPrototypeGetBuffer(float64Array),
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);
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// Check endianness.
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float32Array[0] = -1; // 0xBF800000
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@ -64,10 +112,7 @@ export const kMaxLength = 2147483647;
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export const kStringMaxLength = 536870888;
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const MAX_UINT32 = 2 ** 32;
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const customInspectSymbol =
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typeof Symbol === "function" && typeof Symbol["for"] === "function"
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? Symbol["for"]("nodejs.util.inspect.custom")
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: null;
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const customInspectSymbol = SymbolFor("nodejs.util.inspect.custom");
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export const INSPECT_MAX_BYTES = 50;
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@ -76,23 +121,25 @@ export const constants = {
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MAX_STRING_LENGTH: kStringMaxLength,
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};
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Object.defineProperty(Buffer.prototype, "parent", {
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ObjectDefineProperty(Buffer.prototype, "parent", {
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__proto__: null,
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enumerable: true,
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get: function () {
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if (!Buffer.isBuffer(this)) {
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if (!BufferIsBuffer(this)) {
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return void 0;
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}
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return this.buffer;
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return TypedArrayPrototypeGetBuffer(this);
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},
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});
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Object.defineProperty(Buffer.prototype, "offset", {
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ObjectDefineProperty(Buffer.prototype, "offset", {
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__proto__: null,
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enumerable: true,
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get: function () {
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if (!Buffer.isBuffer(this)) {
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if (!BufferIsBuffer(this)) {
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return void 0;
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}
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return this.byteOffset;
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return TypedArrayPrototypeGetByteOffset(this);
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},
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});
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@ -103,10 +150,21 @@ function createBuffer(length) {
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);
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}
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const buf = new Uint8Array(length);
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Object.setPrototypeOf(buf, Buffer.prototype);
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ObjectSetPrototypeOf(buf, BufferPrototype);
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return buf;
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}
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/**
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* @param {ArrayBufferLike} O
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* @returns {boolean}
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*/
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function isDetachedBuffer(O) {
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if (isSharedArrayBuffer(O)) {
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return false;
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}
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return ArrayBufferPrototypeGetDetached(O);
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}
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export function Buffer(arg, encodingOrOffset, length) {
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if (typeof arg === "number") {
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if (typeof encodingOrOffset === "string") {
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@ -133,6 +191,7 @@ function _from(value, encodingOrOffset, length) {
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return fromArrayBuffer(value, encodingOrOffset, length);
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}
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// deno-lint-ignore prefer-primordials
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const valueOf = value.valueOf && value.valueOf();
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if (
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valueOf != null &&
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@ -147,8 +206,8 @@ function _from(value, encodingOrOffset, length) {
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return b;
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}
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if (typeof value[Symbol.toPrimitive] === "function") {
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const primitive = value[Symbol.toPrimitive]("string");
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if (typeof value[SymbolToPrimitive] === "function") {
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const primitive = value[SymbolToPrimitive]("string");
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if (typeof primitive === "string") {
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return fromString(primitive, encodingOrOffset);
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}
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@ -162,13 +221,19 @@ function _from(value, encodingOrOffset, length) {
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);
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}
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Buffer.from = function from(value, encodingOrOffset, length) {
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const BufferFrom = Buffer.from = function from(
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value,
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encodingOrOffset,
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length,
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) {
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return _from(value, encodingOrOffset, length);
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};
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Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype);
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const BufferPrototype = Buffer.prototype;
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Object.setPrototypeOf(Buffer, Uint8Array);
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ObjectSetPrototypeOf(Buffer.prototype, Uint8ArrayPrototype);
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ObjectSetPrototypeOf(Buffer, Uint8Array);
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function assertSize(size) {
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validateNumber(size, "size", 0, kMaxLength);
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@ -186,6 +251,7 @@ function _alloc(size, fill, encoding) {
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encoding,
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);
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}
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// deno-lint-ignore prefer-primordials
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return buffer.fill(fill, encoding);
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}
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return buffer;
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@ -212,13 +278,14 @@ function fromString(string, encoding) {
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if (typeof encoding !== "string" || encoding === "") {
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encoding = "utf8";
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}
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if (!Buffer.isEncoding(encoding)) {
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if (!BufferIsEncoding(encoding)) {
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throw new codes.ERR_UNKNOWN_ENCODING(encoding);
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}
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const length = byteLength(string, encoding) | 0;
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let buf = createBuffer(length);
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const actual = buf.write(string, encoding);
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if (actual !== length) {
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// deno-lint-ignore prefer-primordials
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buf = buf.slice(0, actual);
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}
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return buf;
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@ -226,11 +293,12 @@ function fromString(string, encoding) {
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function fromArrayLike(obj) {
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const buf = new Uint8Array(obj);
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Object.setPrototypeOf(buf, Buffer.prototype);
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ObjectSetPrototypeOf(buf, BufferPrototype);
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return buf;
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}
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function fromObject(obj) {
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// deno-lint-ignore prefer-primordials
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if (obj.length !== undefined || isAnyArrayBuffer(obj.buffer)) {
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if (typeof obj.length !== "number") {
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return createBuffer(0);
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@ -239,7 +307,7 @@ function fromObject(obj) {
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return fromArrayLike(obj);
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}
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if (obj.type === "Buffer" && Array.isArray(obj.data)) {
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if (obj.type === "Buffer" && ArrayIsArray(obj.data)) {
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return fromArrayLike(obj.data);
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}
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}
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@ -248,7 +316,7 @@ function checked(length) {
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if (length >= kMaxLength) {
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throw new RangeError(
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"Attempt to allocate Buffer larger than maximum size: 0x" +
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kMaxLength.toString(16) + " bytes",
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NumberPrototypeToString(kMaxLength, 16) + " bytes",
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);
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}
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return length | 0;
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@ -256,25 +324,33 @@ function checked(length) {
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export function SlowBuffer(length) {
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assertSize(length);
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return Buffer.alloc(+length);
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return _alloc(+length);
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}
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Object.setPrototypeOf(SlowBuffer.prototype, Uint8Array.prototype);
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ObjectSetPrototypeOf(SlowBuffer.prototype, Uint8ArrayPrototype);
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Object.setPrototypeOf(SlowBuffer, Uint8Array);
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ObjectSetPrototypeOf(SlowBuffer, Uint8Array);
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Buffer.isBuffer = function isBuffer(b) {
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return b != null && b._isBuffer === true && b !== Buffer.prototype;
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const BufferIsBuffer = Buffer.isBuffer = function isBuffer(b) {
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return b != null && b._isBuffer === true && b !== BufferPrototype;
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};
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Buffer.compare = function compare(a, b) {
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if (isInstance(a, Uint8Array)) {
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a = Buffer.from(a, a.offset, a.byteLength);
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const BufferCompare = Buffer.compare = function compare(a, b) {
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if (isUint8Array(a)) {
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a = BufferFrom(
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a,
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TypedArrayPrototypeGetByteOffset(a),
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TypedArrayPrototypeGetByteLength(a),
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);
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}
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if (isInstance(b, Uint8Array)) {
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b = Buffer.from(b, b.offset, b.byteLength);
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if (isUint8Array(b)) {
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b = BufferFrom(
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b,
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TypedArrayPrototypeGetByteOffset(b),
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TypedArrayPrototypeGetByteLength(b),
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);
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}
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if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
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if (!BufferIsBuffer(a) || !BufferIsBuffer(b)) {
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throw new TypeError(
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'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array',
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);
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@ -284,7 +360,7 @@ Buffer.compare = function compare(a, b) {
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}
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let x = a.length;
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let y = b.length;
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for (let i = 0, len = Math.min(x, y); i < len; ++i) {
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for (let i = 0, len = MathMin(x, y); i < len; ++i) {
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if (a[i] !== b[i]) {
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x = a[i];
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y = b[i];
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@ -300,18 +376,18 @@ Buffer.compare = function compare(a, b) {
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return 0;
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};
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Buffer.isEncoding = function isEncoding(encoding) {
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const BufferIsEncoding = Buffer.isEncoding = function isEncoding(encoding) {
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return typeof encoding === "string" && encoding.length !== 0 &&
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normalizeEncoding(encoding) !== undefined;
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};
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Buffer.concat = function concat(list, length) {
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if (!Array.isArray(list)) {
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if (!ArrayIsArray(list)) {
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throw new codes.ERR_INVALID_ARG_TYPE("list", "Array", list);
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}
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if (list.length === 0) {
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return Buffer.alloc(0);
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return _alloc(0);
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}
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if (length === undefined) {
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@ -325,7 +401,7 @@ Buffer.concat = function concat(list, length) {
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validateOffset(length, "length");
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}
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const buffer = Buffer.allocUnsafe(length);
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const buffer = _allocUnsafe(length);
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let pos = 0;
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for (let i = 0; i < list.length; i++) {
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const buf = list[i];
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@ -346,7 +422,7 @@ Buffer.concat = function concat(list, length) {
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// Zero-fill the remaining bytes if the specified `length` was more than
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// the actual total length, i.e. if we have some remaining allocated bytes
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// there were not initialized.
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buffer.fill(0, pos, length);
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TypedArrayPrototypeFill(buffer, 0, pos, length);
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}
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return buffer;
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@ -354,7 +430,18 @@ Buffer.concat = function concat(list, length) {
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function byteLength(string, encoding) {
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if (typeof string !== "string") {
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if (isArrayBufferView(string) || isAnyArrayBuffer(string)) {
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if (isTypedArray(string)) {
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return TypedArrayPrototypeGetByteLength(string);
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}
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if (isDataView(string)) {
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return DataViewPrototypeGetByteLength(string);
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}
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if (isArrayBuffer(string)) {
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return ArrayBufferPrototypeGetByteLength(string);
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}
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if (isSharedArrayBuffer(string)) {
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// TODO(petamoriken): add SharedArayBuffer to primordials
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// deno-lint-ignore prefer-primordials
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return string.byteLength;
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}
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@ -463,6 +550,7 @@ Buffer.prototype.toString = function toString(encoding, start, end) {
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throw new codes.ERR_UNKNOWN_ENCODING(encoding);
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}
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// deno-lint-ignore prefer-primordials
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return ops.slice(this, start, end);
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};
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@ -479,22 +567,29 @@ Buffer.prototype.equals = function equals(b) {
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if (this === b) {
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return true;
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}
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return Buffer.compare(this, b) === 0;
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return BufferCompare(this, b) === 0;
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};
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Buffer.prototype.inspect = function inspect() {
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const SPACER_PATTERN = new SafeRegExp(/(.{2})/g);
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Buffer.prototype[customInspectSymbol] =
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Buffer.prototype.inspect =
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function inspect() {
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let str = "";
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const max = INSPECT_MAX_BYTES;
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str = this.toString("hex", 0, max).replace(/(.{2})/g, "$1 ").trim();
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str = StringPrototypeTrim(
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StringPrototypeReplace(
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// deno-lint-ignore prefer-primordials
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this.toString("hex", 0, max),
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SPACER_PATTERN,
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"$1 ",
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),
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);
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if (this.length > max) {
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str += " ... ";
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}
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return "<Buffer " + str + ">";
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};
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if (customInspectSymbol) {
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Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect;
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}
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};
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Buffer.prototype.compare = function compare(
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target,
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@ -503,10 +598,14 @@ Buffer.prototype.compare = function compare(
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thisStart,
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thisEnd,
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) {
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if (isInstance(target, Uint8Array)) {
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target = Buffer.from(target, target.offset, target.byteLength);
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if (isUint8Array(target)) {
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target = BufferFrom(
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target,
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TypedArrayPrototypeGetByteOffset(target),
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TypedArrayPrototypeGetByteLength(target),
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);
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}
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if (!Buffer.isBuffer(target)) {
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if (!BufferIsBuffer(target)) {
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throw new codes.ERR_INVALID_ARG_TYPE(
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"target",
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["Buffer", "Uint8Array"],
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@ -563,8 +662,9 @@ Buffer.prototype.compare = function compare(
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}
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let x = thisEnd - thisStart;
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let y = end - start;
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const len = Math.min(x, y);
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const thisCopy = this.slice(thisStart, thisEnd);
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const len = MathMin(x, y);
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const thisCopy = TypedArrayPrototypeSlice(this, thisStart, thisEnd);
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// deno-lint-ignore prefer-primordials
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const targetCopy = target.slice(start, end);
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for (let i = 0; i < len; ++i) {
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if (thisCopy[i] !== targetCopy[i]) {
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@ -594,7 +694,8 @@ function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
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byteOffset = -0x80000000;
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}
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byteOffset = +byteOffset;
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if (Number.isNaN(byteOffset)) {
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if (NumberIsNaN(byteOffset)) {
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// deno-lint-ignore prefer-primordials
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byteOffset = dir ? 0 : (buffer.length || buffer.byteLength);
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}
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dir = !!dir;
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|
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@ -614,6 +715,7 @@ function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
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if (ops === undefined) {
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throw new codes.ERR_UNKNOWN_ENCODING(encoding);
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}
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// deno-lint-ignore prefer-primordials
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return ops.indexOf(buffer, val, byteOffset, dir);
|
||||
}
|
||||
|
||||
|
|
@ -630,6 +732,7 @@ function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
|
|||
}
|
||||
|
||||
Buffer.prototype.includes = function includes(val, byteOffset, encoding) {
|
||||
// deno-lint-ignore prefer-primordials
|
||||
return this.indexOf(val, byteOffset, encoding) !== -1;
|
||||
};
|
||||
|
||||
|
|
@ -649,7 +752,7 @@ Buffer.prototype.asciiSlice = function asciiSlice(offset, length) {
|
|||
if (offset === 0 && length === this.length) {
|
||||
return bytesToAscii(this);
|
||||
} else {
|
||||
return bytesToAscii(this.slice(offset, length));
|
||||
return bytesToAscii(TypedArrayPrototypeSlice(this, offset, length));
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -664,7 +767,9 @@ Buffer.prototype.base64Slice = function base64Slice(
|
|||
if (offset === 0 && length === this.length) {
|
||||
return forgivingBase64Encode(this);
|
||||
} else {
|
||||
return forgivingBase64Encode(this.slice(offset, length));
|
||||
return forgivingBase64Encode(
|
||||
TypedArrayPrototypeSlice(this, offset, length),
|
||||
);
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -683,7 +788,9 @@ Buffer.prototype.base64urlSlice = function base64urlSlice(
|
|||
if (offset === 0 && length === this.length) {
|
||||
return forgivingBase64UrlEncode(this);
|
||||
} else {
|
||||
return forgivingBase64UrlEncode(this.slice(offset, length));
|
||||
return forgivingBase64UrlEncode(
|
||||
TypedArrayPrototypeSlice(this, offset, length),
|
||||
);
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -728,7 +835,7 @@ Buffer.prototype.ucs2Slice = function ucs2Slice(offset, length) {
|
|||
if (offset === 0 && length === this.length) {
|
||||
return bytesToUtf16le(this);
|
||||
} else {
|
||||
return bytesToUtf16le(this.slice(offset, length));
|
||||
return bytesToUtf16le(TypedArrayPrototypeSlice(this, offset, length));
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -747,9 +854,9 @@ Buffer.prototype.utf8Slice = function utf8Slice(string, offset, length) {
|
|||
|
||||
Buffer.prototype.utf8Write = function utf8Write(string, offset, length) {
|
||||
offset = offset || 0;
|
||||
const maxLength = Math.min(length || Infinity, this.length - offset);
|
||||
const maxLength = MathMin(length || Infinity, this.length - offset);
|
||||
const buf = offset || maxLength < this.length
|
||||
? this.subarray(offset, maxLength + offset)
|
||||
? TypedArrayPrototypeSubarray(this, offset, maxLength + offset)
|
||||
: this;
|
||||
return utf8Encoder.encodeInto(string, buf).written;
|
||||
};
|
||||
|
|
@ -801,7 +908,7 @@ Buffer.prototype.write = function write(string, offset, length, encoding) {
|
|||
Buffer.prototype.toJSON = function toJSON() {
|
||||
return {
|
||||
type: "Buffer",
|
||||
data: Array.prototype.slice.call(this._arr || this, 0),
|
||||
data: ArrayPrototypeSlice(this._arr || this, 0),
|
||||
};
|
||||
};
|
||||
function fromArrayBuffer(obj, byteOffset, length) {
|
||||
|
|
@ -810,11 +917,12 @@ function fromArrayBuffer(obj, byteOffset, length) {
|
|||
byteOffset = 0;
|
||||
} else {
|
||||
byteOffset = +byteOffset;
|
||||
if (Number.isNaN(byteOffset)) {
|
||||
if (NumberIsNaN(byteOffset)) {
|
||||
byteOffset = 0;
|
||||
}
|
||||
}
|
||||
|
||||
// deno-lint-ignore prefer-primordials
|
||||
const maxLength = obj.byteLength - byteOffset;
|
||||
|
||||
if (maxLength < 0) {
|
||||
|
|
@ -836,7 +944,7 @@ function fromArrayBuffer(obj, byteOffset, length) {
|
|||
}
|
||||
|
||||
const buffer = new Uint8Array(obj, byteOffset, length);
|
||||
Object.setPrototypeOf(buffer, Buffer.prototype);
|
||||
ObjectSetPrototypeOf(buffer, BufferPrototype);
|
||||
return buffer;
|
||||
}
|
||||
|
||||
|
|
@ -844,6 +952,7 @@ function _base64Slice(buf, start, end) {
|
|||
if (start === 0 && end === buf.length) {
|
||||
return forgivingBase64Encode(buf);
|
||||
} else {
|
||||
// deno-lint-ignore prefer-primordials
|
||||
return forgivingBase64Encode(buf.slice(start, end));
|
||||
}
|
||||
}
|
||||
|
|
@ -852,9 +961,10 @@ const decoder = new TextDecoder();
|
|||
|
||||
function _utf8Slice(buf, start, end) {
|
||||
try {
|
||||
// deno-lint-ignore prefer-primordials
|
||||
return decoder.decode(buf.slice(start, end));
|
||||
} catch (err) {
|
||||
if (err instanceof TypeError) {
|
||||
if (ObjectPrototypeIsPrototypeOf(TypeErrorPrototype, err)) {
|
||||
throw new NodeError("ERR_STRING_TOO_LONG", "String too long");
|
||||
}
|
||||
throw err;
|
||||
|
|
@ -863,9 +973,9 @@ function _utf8Slice(buf, start, end) {
|
|||
|
||||
function _latin1Slice(buf, start, end) {
|
||||
let ret = "";
|
||||
end = Math.min(buf.length, end);
|
||||
end = MathMin(buf.length, end);
|
||||
for (let i = start; i < end; ++i) {
|
||||
ret += String.fromCharCode(buf[i]);
|
||||
ret += StringFromCharCode(buf[i]);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -994,7 +1104,6 @@ Buffer.prototype.readUint32BE = Buffer.prototype.readUInt32BE = readUInt32BE;
|
|||
|
||||
Buffer.prototype.readBigUint64LE =
|
||||
Buffer.prototype.readBigUInt64LE =
|
||||
defineBigIntMethod(
|
||||
function readBigUInt64LE(offset) {
|
||||
offset = offset >>> 0;
|
||||
validateNumber(offset, "offset");
|
||||
|
|
@ -1008,13 +1117,11 @@ Buffer.prototype.readBigUint64LE =
|
|||
this[++offset] * 2 ** 24;
|
||||
const hi = this[++offset] + this[++offset] * 2 ** 8 +
|
||||
this[++offset] * 2 ** 16 + last * 2 ** 24;
|
||||
return BigInt(lo) + (BigInt(hi) << BigInt(32));
|
||||
},
|
||||
);
|
||||
return BigInt(lo) + (BigInt(hi) << 32n);
|
||||
};
|
||||
|
||||
Buffer.prototype.readBigUint64BE =
|
||||
Buffer.prototype.readBigUInt64BE =
|
||||
defineBigIntMethod(
|
||||
function readBigUInt64BE(offset) {
|
||||
offset = offset >>> 0;
|
||||
validateNumber(offset, "offset");
|
||||
|
|
@ -1027,9 +1134,8 @@ Buffer.prototype.readBigUint64BE =
|
|||
this[++offset] * 2 ** 8 + this[++offset];
|
||||
const lo = this[++offset] * 2 ** 24 + this[++offset] * 2 ** 16 +
|
||||
this[++offset] * 2 ** 8 + last;
|
||||
return (BigInt(hi) << BigInt(32)) + BigInt(lo);
|
||||
},
|
||||
);
|
||||
return (BigInt(hi) << 32n) + BigInt(lo);
|
||||
};
|
||||
|
||||
Buffer.prototype.readIntLE = function readIntLE(
|
||||
offset,
|
||||
|
|
@ -1148,8 +1254,7 @@ Buffer.prototype.readInt32BE = function readInt32BE(offset = 0) {
|
|||
last;
|
||||
};
|
||||
|
||||
Buffer.prototype.readBigInt64LE = defineBigIntMethod(
|
||||
function readBigInt64LE(offset) {
|
||||
Buffer.prototype.readBigInt64LE = function readBigInt64LE(offset) {
|
||||
offset = offset >>> 0;
|
||||
validateNumber(offset, "offset");
|
||||
const first = this[offset];
|
||||
|
|
@ -1159,16 +1264,14 @@ Buffer.prototype.readBigInt64LE = defineBigIntMethod(
|
|||
}
|
||||
const val = this[offset + 4] + this[offset + 5] * 2 ** 8 +
|
||||
this[offset + 6] * 2 ** 16 + (last << 24);
|
||||
return (BigInt(val) << BigInt(32)) +
|
||||
return (BigInt(val) << 32n) +
|
||||
BigInt(
|
||||
first + this[++offset] * 2 ** 8 + this[++offset] * 2 ** 16 +
|
||||
this[++offset] * 2 ** 24,
|
||||
);
|
||||
},
|
||||
);
|
||||
};
|
||||
|
||||
Buffer.prototype.readBigInt64BE = defineBigIntMethod(
|
||||
function readBigInt64BE(offset) {
|
||||
Buffer.prototype.readBigInt64BE = function readBigInt64BE(offset) {
|
||||
offset = offset >>> 0;
|
||||
validateNumber(offset, "offset");
|
||||
const first = this[offset];
|
||||
|
|
@ -1178,13 +1281,12 @@ Buffer.prototype.readBigInt64BE = defineBigIntMethod(
|
|||
}
|
||||
const val = (first << 24) + this[++offset] * 2 ** 16 +
|
||||
this[++offset] * 2 ** 8 + this[++offset];
|
||||
return (BigInt(val) << BigInt(32)) +
|
||||
return (BigInt(val) << 32n) +
|
||||
BigInt(
|
||||
this[++offset] * 2 ** 24 + this[++offset] * 2 ** 16 +
|
||||
this[++offset] * 2 ** 8 + last,
|
||||
);
|
||||
},
|
||||
);
|
||||
};
|
||||
|
||||
Buffer.prototype.readFloatLE = function readFloatLE(offset) {
|
||||
return bigEndian
|
||||
|
|
@ -1293,7 +1395,7 @@ Buffer.prototype.writeUint32BE =
|
|||
|
||||
function wrtBigUInt64LE(buf, value, offset, min, max) {
|
||||
checkIntBI(value, min, max, buf, offset, 7);
|
||||
let lo = Number(value & BigInt(4294967295));
|
||||
let lo = Number(value & 4294967295n);
|
||||
buf[offset++] = lo;
|
||||
lo = lo >> 8;
|
||||
buf[offset++] = lo;
|
||||
|
|
@ -1301,7 +1403,7 @@ function wrtBigUInt64LE(buf, value, offset, min, max) {
|
|||
buf[offset++] = lo;
|
||||
lo = lo >> 8;
|
||||
buf[offset++] = lo;
|
||||
let hi = Number(value >> BigInt(32) & BigInt(4294967295));
|
||||
let hi = Number(value >> 32n & 4294967295n);
|
||||
buf[offset++] = hi;
|
||||
hi = hi >> 8;
|
||||
buf[offset++] = hi;
|
||||
|
|
@ -1314,7 +1416,7 @@ function wrtBigUInt64LE(buf, value, offset, min, max) {
|
|||
|
||||
function wrtBigUInt64BE(buf, value, offset, min, max) {
|
||||
checkIntBI(value, min, max, buf, offset, 7);
|
||||
let lo = Number(value & BigInt(4294967295));
|
||||
let lo = Number(value & 4294967295n);
|
||||
buf[offset + 7] = lo;
|
||||
lo = lo >> 8;
|
||||
buf[offset + 6] = lo;
|
||||
|
|
@ -1322,7 +1424,7 @@ function wrtBigUInt64BE(buf, value, offset, min, max) {
|
|||
buf[offset + 5] = lo;
|
||||
lo = lo >> 8;
|
||||
buf[offset + 4] = lo;
|
||||
let hi = Number(value >> BigInt(32) & BigInt(4294967295));
|
||||
let hi = Number(value >> 32n & 4294967295n);
|
||||
buf[offset + 3] = hi;
|
||||
hi = hi >> 8;
|
||||
buf[offset + 2] = hi;
|
||||
|
|
@ -1335,31 +1437,27 @@ function wrtBigUInt64BE(buf, value, offset, min, max) {
|
|||
|
||||
Buffer.prototype.writeBigUint64LE =
|
||||
Buffer.prototype.writeBigUInt64LE =
|
||||
defineBigIntMethod(
|
||||
function writeBigUInt64LE(value, offset = 0) {
|
||||
return wrtBigUInt64LE(
|
||||
this,
|
||||
value,
|
||||
offset,
|
||||
BigInt(0),
|
||||
BigInt("0xffffffffffffffff"),
|
||||
);
|
||||
},
|
||||
0n,
|
||||
0xffffffffffffffffn,
|
||||
);
|
||||
};
|
||||
|
||||
Buffer.prototype.writeBigUint64BE =
|
||||
Buffer.prototype.writeBigUInt64BE =
|
||||
defineBigIntMethod(
|
||||
function writeBigUInt64BE(value, offset = 0) {
|
||||
return wrtBigUInt64BE(
|
||||
this,
|
||||
value,
|
||||
offset,
|
||||
BigInt(0),
|
||||
BigInt("0xffffffffffffffff"),
|
||||
);
|
||||
},
|
||||
0n,
|
||||
0xffffffffffffffffn,
|
||||
);
|
||||
};
|
||||
|
||||
Buffer.prototype.writeIntLE = function writeIntLE(
|
||||
value,
|
||||
|
|
@ -1450,29 +1548,25 @@ Buffer.prototype.writeInt32BE = function writeInt32BE(value, offset = 0) {
|
|||
return writeU_Int32BE(this, value, offset, -0x80000000, 0x7fffffff);
|
||||
};
|
||||
|
||||
Buffer.prototype.writeBigInt64LE = defineBigIntMethod(
|
||||
function writeBigInt64LE(value, offset = 0) {
|
||||
Buffer.prototype.writeBigInt64LE = function writeBigInt64LE(value, offset = 0) {
|
||||
return wrtBigUInt64LE(
|
||||
this,
|
||||
value,
|
||||
offset,
|
||||
-BigInt("0x8000000000000000"),
|
||||
BigInt("0x7fffffffffffffff"),
|
||||
-0x8000000000000000n,
|
||||
0x7fffffffffffffffn,
|
||||
);
|
||||
},
|
||||
);
|
||||
};
|
||||
|
||||
Buffer.prototype.writeBigInt64BE = defineBigIntMethod(
|
||||
function writeBigInt64BE(value, offset = 0) {
|
||||
Buffer.prototype.writeBigInt64BE = function writeBigInt64BE(value, offset = 0) {
|
||||
return wrtBigUInt64BE(
|
||||
this,
|
||||
value,
|
||||
offset,
|
||||
-BigInt("0x8000000000000000"),
|
||||
BigInt("0x7fffffffffffffff"),
|
||||
-0x8000000000000000n,
|
||||
0x7fffffffffffffffn,
|
||||
);
|
||||
},
|
||||
);
|
||||
};
|
||||
|
||||
Buffer.prototype.writeFloatLE = function writeFloatLE(
|
||||
value,
|
||||
|
|
@ -1600,14 +1694,12 @@ Buffer.prototype.copy = function copy(
|
|||
}
|
||||
|
||||
const len = sourceEnd - sourceStart;
|
||||
if (
|
||||
this === target && typeof Uint8Array.prototype.copyWithin === "function"
|
||||
) {
|
||||
this.copyWithin(targetStart, sourceStart, sourceEnd);
|
||||
if (this === target) {
|
||||
TypedArrayPrototypeCopyWithin(this, targetStart, sourceStart, sourceEnd);
|
||||
} else {
|
||||
Uint8Array.prototype.set.call(
|
||||
TypedArrayPrototypeSet(
|
||||
target,
|
||||
this.subarray(sourceStart, sourceEnd),
|
||||
TypedArrayPrototypeSubarray(this, sourceStart, sourceEnd),
|
||||
targetStart,
|
||||
);
|
||||
}
|
||||
|
|
@ -1627,11 +1719,11 @@ Buffer.prototype.fill = function fill(val, start, end, encoding) {
|
|||
if (encoding !== void 0 && typeof encoding !== "string") {
|
||||
throw new TypeError("encoding must be a string");
|
||||
}
|
||||
if (typeof encoding === "string" && !Buffer.isEncoding(encoding)) {
|
||||
if (typeof encoding === "string" && !BufferIsEncoding(encoding)) {
|
||||
throw new TypeError("Unknown encoding: " + encoding);
|
||||
}
|
||||
if (val.length === 1) {
|
||||
const code = val.charCodeAt(0);
|
||||
const code = StringPrototypeCharCodeAt(val, 0);
|
||||
if (encoding === "utf8" && code < 128 || encoding === "latin1") {
|
||||
val = code;
|
||||
}
|
||||
|
|
@ -1658,7 +1750,7 @@ Buffer.prototype.fill = function fill(val, start, end, encoding) {
|
|||
this[i] = val;
|
||||
}
|
||||
} else {
|
||||
const bytes = Buffer.isBuffer(val) ? val : Buffer.from(val, encoding);
|
||||
const bytes = BufferIsBuffer(val) ? val : BufferFrom(val, encoding);
|
||||
const len = bytes.length;
|
||||
if (len === 0) {
|
||||
throw new codes.ERR_INVALID_ARG_VALUE(
|
||||
|
|
@ -1685,7 +1777,7 @@ function checkIntBI(value, min, max, buf, offset, byteLength2) {
|
|||
const n = typeof min === "bigint" ? "n" : "";
|
||||
let range;
|
||||
if (byteLength2 > 3) {
|
||||
if (min === 0 || min === BigInt(0)) {
|
||||
if (min === 0 || min === 0n) {
|
||||
range = `>= 0${n} and < 2${n} ** ${(byteLength2 + 1) * 8}${n}`;
|
||||
} else {
|
||||
range = `>= -(2${n} ** ${(byteLength2 + 1) * 8 - 1}${n}) and < 2 ** ${
|
||||
|
|
@ -1710,7 +1802,7 @@ function checkIntBI(value, min, max, buf, offset, byteLength2) {
|
|||
function blitBuffer(src, dst, offset, byteLength = Infinity) {
|
||||
const srcLength = src.length;
|
||||
// Establish the number of bytes to be written
|
||||
const bytesToWrite = Math.min(
|
||||
const bytesToWrite = MathMin(
|
||||
// If byte length is defined in the call, then it sets an upper bound,
|
||||
// otherwise it is Infinity and is never chosen.
|
||||
byteLength,
|
||||
|
|
@ -1730,15 +1822,9 @@ function blitBuffer(src, dst, offset, byteLength = Infinity) {
|
|||
return bytesToWrite;
|
||||
}
|
||||
|
||||
function isInstance(obj, type) {
|
||||
return obj instanceof type ||
|
||||
obj != null && obj.constructor != null &&
|
||||
obj.constructor.name != null && obj.constructor.name === type.name;
|
||||
}
|
||||
|
||||
const hexSliceLookupTable = function () {
|
||||
const alphabet = "0123456789abcdef";
|
||||
const table = new Array(256);
|
||||
const table = [];
|
||||
for (let i = 0; i < 16; ++i) {
|
||||
const i16 = i * 16;
|
||||
for (let j = 0; j < 16; ++j) {
|
||||
|
|
@ -1748,14 +1834,6 @@ const hexSliceLookupTable = function () {
|
|||
return table;
|
||||
}();
|
||||
|
||||
function defineBigIntMethod(fn) {
|
||||
return typeof BigInt === "undefined" ? BufferBigIntNotDefined : fn;
|
||||
}
|
||||
|
||||
function BufferBigIntNotDefined() {
|
||||
throw new Error("BigInt not supported");
|
||||
}
|
||||
|
||||
export function readUInt48LE(buf, offset = 0) {
|
||||
validateNumber(offset, "offset");
|
||||
const first = buf[offset];
|
||||
|
|
@ -2079,10 +2157,10 @@ export function byteLengthUtf8(str) {
|
|||
|
||||
function base64ByteLength(str, bytes) {
|
||||
// Handle padding
|
||||
if (str.charCodeAt(bytes - 1) === 0x3D) {
|
||||
if (StringPrototypeCharCodeAt(str, bytes - 1) === 0x3D) {
|
||||
bytes--;
|
||||
}
|
||||
if (bytes > 1 && str.charCodeAt(bytes - 1) === 0x3D) {
|
||||
if (bytes > 1 && StringPrototypeCharCodeAt(str, bytes - 1) === 0x3D) {
|
||||
bytes--;
|
||||
}
|
||||
|
||||
|
|
@ -2090,7 +2168,7 @@ function base64ByteLength(str, bytes) {
|
|||
return (bytes * 3) >>> 2;
|
||||
}
|
||||
|
||||
export const encodingsMap = Object.create(null);
|
||||
export const encodingsMap = ObjectCreate(null);
|
||||
for (let i = 0; i < encodings.length; ++i) {
|
||||
encodingsMap[encodings[i]] = i;
|
||||
}
|
||||
|
|
@ -2220,7 +2298,7 @@ export const encodingOps = {
|
|||
};
|
||||
|
||||
export function getEncodingOps(encoding) {
|
||||
encoding = String(encoding).toLowerCase();
|
||||
encoding = StringPrototypeToLowerCase(String(encoding));
|
||||
switch (encoding.length) {
|
||||
case 4:
|
||||
if (encoding === "utf8") return encodingOps.utf8;
|
||||
|
|
@ -2260,6 +2338,14 @@ export function getEncodingOps(encoding) {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {Buffer} source
|
||||
* @param {Buffer} target
|
||||
* @param {number} targetStart
|
||||
* @param {number} sourceStart
|
||||
* @param {number} sourceEnd
|
||||
* @returns {number}
|
||||
*/
|
||||
export function _copyActual(
|
||||
source,
|
||||
target,
|
||||
|
|
@ -2278,6 +2364,7 @@ export function _copyActual(
|
|||
}
|
||||
|
||||
if (sourceStart !== 0 || sourceEnd < source.length) {
|
||||
// deno-lint-ignore prefer-primordials
|
||||
source = new Uint8Array(source.buffer, source.byteOffset + sourceStart, nb);
|
||||
}
|
||||
|
||||
|
|
@ -2287,7 +2374,7 @@ export function _copyActual(
|
|||
}
|
||||
|
||||
export function boundsError(value, length, type) {
|
||||
if (Math.floor(value) !== value) {
|
||||
if (MathFloor(value) !== value) {
|
||||
validateNumber(value, type);
|
||||
throw new codes.ERR_OUT_OF_RANGE(type || "offset", "an integer", value);
|
||||
}
|
||||
|
|
@ -2310,7 +2397,7 @@ export function validateNumber(value, name, min = undefined, max) {
|
|||
|
||||
if (
|
||||
(min != null && value < min) || (max != null && value > max) ||
|
||||
((min != null || max != null) && Number.isNaN(value))
|
||||
((min != null || max != null) && NumberIsNaN(value))
|
||||
) {
|
||||
throw new codes.ERR_OUT_OF_RANGE(
|
||||
name,
|
||||
|
|
@ -2344,11 +2431,11 @@ function checkInt(value, min, max, buf, offset, byteLength) {
|
|||
export function toInteger(n, defaultVal) {
|
||||
n = +n;
|
||||
if (
|
||||
!Number.isNaN(n) &&
|
||||
n >= Number.MIN_SAFE_INTEGER &&
|
||||
n <= Number.MAX_SAFE_INTEGER
|
||||
!NumberIsNaN(n) &&
|
||||
n >= NumberMIN_SAFE_INTEGER &&
|
||||
n <= NumberMAX_SAFE_INTEGER
|
||||
) {
|
||||
return ((n % 1) === 0 ? n : Math.floor(n));
|
||||
return ((n % 1) === 0 ? n : MathFloor(n));
|
||||
}
|
||||
return defaultVal;
|
||||
}
|
||||
|
|
@ -2421,7 +2508,7 @@ export function writeU_Int48BE(buf, value, offset, min, max) {
|
|||
value = +value;
|
||||
checkInt(value, min, max, buf, offset, 5);
|
||||
|
||||
const newVal = Math.floor(value * 2 ** -32);
|
||||
const newVal = MathFloor(value * 2 ** -32);
|
||||
buf[offset++] = newVal >>> 8;
|
||||
buf[offset++] = newVal;
|
||||
buf[offset + 3] = value;
|
||||
|
|
@ -2439,7 +2526,7 @@ export function writeU_Int40BE(buf, value, offset, min, max) {
|
|||
value = +value;
|
||||
checkInt(value, min, max, buf, offset, 4);
|
||||
|
||||
buf[offset++] = Math.floor(value * 2 ** -32);
|
||||
buf[offset++] = MathFloor(value * 2 ** -32);
|
||||
buf[offset + 3] = value;
|
||||
value = value >>> 8;
|
||||
buf[offset + 2] = value;
|
||||
|
|
@ -2482,12 +2569,12 @@ export function validateOffset(
|
|||
value,
|
||||
name,
|
||||
min = 0,
|
||||
max = Number.MAX_SAFE_INTEGER,
|
||||
max = NumberMAX_SAFE_INTEGER,
|
||||
) {
|
||||
if (typeof value !== "number") {
|
||||
throw new codes.ERR_INVALID_ARG_TYPE(name, "number", value);
|
||||
}
|
||||
if (!Number.isInteger(value)) {
|
||||
if (!NumberIsInteger(value)) {
|
||||
throw new codes.ERR_OUT_OF_RANGE(name, "an integer", value);
|
||||
}
|
||||
if (value < min || value > max) {
|
||||
|
|
@ -2500,7 +2587,7 @@ export function writeU_Int48LE(buf, value, offset, min, max) {
|
|||
value = +value;
|
||||
checkInt(value, min, max, buf, offset, 5);
|
||||
|
||||
const newVal = Math.floor(value * 2 ** -32);
|
||||
const newVal = MathFloor(value * 2 ** -32);
|
||||
buf[offset++] = value;
|
||||
value = value >>> 8;
|
||||
buf[offset++] = value;
|
||||
|
|
@ -2526,7 +2613,7 @@ export function writeU_Int40LE(buf, value, offset, min, max) {
|
|||
buf[offset++] = value;
|
||||
value = value >>> 8;
|
||||
buf[offset++] = value;
|
||||
buf[offset++] = Math.floor(newVal * 2 ** -32);
|
||||
buf[offset++] = MathFloor(newVal * 2 ** -32);
|
||||
return offset;
|
||||
}
|
||||
|
||||
|
|
@ -2560,14 +2647,14 @@ export function writeU_Int24LE(buf, value, offset, min, max) {
|
|||
|
||||
export function isUtf8(input) {
|
||||
if (isTypedArray(input)) {
|
||||
if (input.buffer.detached) {
|
||||
if (isDetachedBuffer(TypedArrayPrototypeGetBuffer(input))) {
|
||||
throw new ERR_INVALID_STATE("Cannot validate on a detached buffer");
|
||||
}
|
||||
return op_is_utf8(input);
|
||||
}
|
||||
|
||||
if (isAnyArrayBuffer(input)) {
|
||||
if (input.detached) {
|
||||
if (isDetachedBuffer(input)) {
|
||||
throw new ERR_INVALID_STATE("Cannot validate on a detached buffer");
|
||||
}
|
||||
return op_is_utf8(new Uint8Array(input));
|
||||
|
|
@ -2582,14 +2669,14 @@ export function isUtf8(input) {
|
|||
|
||||
export function isAscii(input) {
|
||||
if (isTypedArray(input)) {
|
||||
if (input.buffer.detached) {
|
||||
if (isDetachedBuffer(TypedArrayPrototypeGetBuffer(input))) {
|
||||
throw new ERR_INVALID_STATE("Cannot validate on a detached buffer");
|
||||
}
|
||||
return op_is_ascii(input);
|
||||
}
|
||||
|
||||
if (isAnyArrayBuffer(input)) {
|
||||
if (input.detached) {
|
||||
if (isDetachedBuffer(input)) {
|
||||
throw new ERR_INVALID_STATE("Cannot validate on a detached buffer");
|
||||
}
|
||||
return op_is_ascii(new Uint8Array(input));
|
||||
|
|
@ -2636,7 +2723,7 @@ export function transcode(source, fromEnco, toEnco) {
|
|||
const result = op_transcode(new Uint8Array(source), fromEnco, toEnco);
|
||||
return Buffer.from(result, toEnco);
|
||||
} catch (err) {
|
||||
if (err.message.includes("Unable to transcode Buffer")) {
|
||||
if (StringPrototypeIncludes(err.message, "Unable to transcode Buffer")) {
|
||||
throw illegalArgumentError;
|
||||
} else {
|
||||
throw err;
|
||||
|
|
|
|||
Loading…
Reference in a new issue