lib: use static Number properties from primordials

PR-URL: #30686 Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
nodejs · Dec 1, 2019 · 5a9340d · 5a9340d
1 parent 892bde6
commit 5a9340d
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Showing 27 changed files with 84 additions and 47 deletions.
diff --git a/lib/_http_client.js b/lib/_http_client.js
@@ -24,6 +24,7 @@
 const {
   ArrayIsArray,
   Boolean,
+  NumberIsFinite,
   ObjectAssign,
   ObjectKeys,
   ObjectSetPrototypeOf,
@@ -210,7 +211,7 @@ function ClientRequest(input, options, cb) {
     // but only if the Agent will actually reuse the connection!
     // If it's not a keepAlive agent, and the maxSockets==Infinity, then
     // there's never a case where this socket will actually be reused
-    if (!this.agent.keepAlive && !Number.isFinite(this.agent.maxSockets)) {
+    if (!this.agent.keepAlive && !NumberIsFinite(this.agent.maxSockets)) {
       this._last = true;
       this.shouldKeepAlive = false;
     } else {

diff --git a/lib/_stream_readable.js b/lib/_stream_readable.js
@@ -23,6 +23,8 @@
 
 const {
   ArrayIsArray,
+  NumberIsInteger,
+  NumberIsNaN,
   ObjectDefineProperty,
   ObjectSetPrototypeOf,
 } = primordials;
@@ -406,7 +408,7 @@ function howMuchToRead(n, state) {
     return 0;
   if (state.objectMode)
     return 1;
-  if (Number.isNaN(n)) {
+  if (NumberIsNaN(n)) {
     // Only flow one buffer at a time
     if (state.flowing && state.length)
       return state.buffer.first().length;
@@ -425,7 +427,7 @@ Readable.prototype.read = function(n) {
   // in this scenario, so we are doing it manually.
   if (n === undefined) {
     n = NaN;
-  } else if (!Number.isInteger(n)) {
+  } else if (!NumberIsInteger(n)) {
     n = parseInt(n, 10);
   }
   const state = this._readableState;

diff --git a/lib/async_hooks.js b/lib/async_hooks.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const {
+  NumberIsSafeInteger,
   ReflectApply,
 } = primordials;
 
@@ -147,7 +148,7 @@ class AsyncResource {
 
     // Unlike emitInitScript, AsyncResource doesn't supports null as the
     // triggerAsyncId.
-    if (!Number.isSafeInteger(triggerAsyncId) || triggerAsyncId < -1) {
+    if (!NumberIsSafeInteger(triggerAsyncId) || triggerAsyncId < -1) {
       throw new ERR_INVALID_ASYNC_ID('triggerAsyncId', triggerAsyncId);
     }
 

diff --git a/lib/buffer.js b/lib/buffer.js
@@ -27,6 +27,9 @@ const {
   MathFloor,
   MathMin,
   MathTrunc,
+  NumberIsNaN,
+  NumberMAX_SAFE_INTEGER,
+  NumberMIN_SAFE_INTEGER,
   ObjectCreate,
   ObjectDefineProperties,
   ObjectDefineProperty,
@@ -175,9 +178,9 @@ function showFlaggedDeprecation() {
 
 function toInteger(n, defaultVal) {
   n = +n;
-  if (!Number.isNaN(n) &&
-      n >= Number.MIN_SAFE_INTEGER &&
-      n <= Number.MAX_SAFE_INTEGER) {
+  if (!NumberIsNaN(n) &&
+      n >= NumberMIN_SAFE_INTEGER &&
+      n <= NumberMAX_SAFE_INTEGER) {
     return ((n % 1) === 0 ? n : MathFloor(n));
   }
   return defaultVal;
@@ -442,7 +445,7 @@ function fromArrayBuffer(obj, byteOffset, length) {
     byteOffset = 0;
   } else {
     byteOffset = +byteOffset;
-    if (Number.isNaN(byteOffset))
+    if (NumberIsNaN(byteOffset))
       byteOffset = 0;
   }
 
@@ -890,7 +893,7 @@ function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
   // Coerce to Number. Values like null and [] become 0.
   byteOffset = +byteOffset;
   // If the offset is undefined, "foo", {}, coerces to NaN, search whole buffer.
-  if (Number.isNaN(byteOffset)) {
+  if (NumberIsNaN(byteOffset)) {
     byteOffset = dir ? 0 : buffer.length;
   }
   dir = !!dir;  // Cast to bool.
@@ -1063,7 +1066,7 @@ function adjustOffset(offset, length) {
   if (offset < length) {
     return offset;
   }
-  return Number.isNaN(offset) ? 0 : length;
+  return NumberIsNaN(offset) ? 0 : length;
 }
 
 Buffer.prototype.slice = function slice(start, end) {

diff --git a/lib/child_process.js b/lib/child_process.js
@@ -23,6 +23,7 @@
 
 const {
   ArrayIsArray,
+  NumberIsInteger,
   ObjectAssign,
   ObjectDefineProperty,
   ObjectPrototypeHasOwnProperty,
@@ -651,7 +652,7 @@ function execSync(command, options) {
 
 
 function validateTimeout(timeout) {
-  if (timeout != null && !(Number.isInteger(timeout) && timeout >= 0)) {
+  if (timeout != null && !(NumberIsInteger(timeout) && timeout >= 0)) {
     throw new ERR_OUT_OF_RANGE('timeout', 'an unsigned integer', timeout);
   }
 }

diff --git a/lib/events.js b/lib/events.js
@@ -24,6 +24,7 @@
 const {
   Array,
   MathMin,
+  NumberIsNaN,
   ObjectCreate,
   ObjectDefineProperty,
   ObjectGetPrototypeOf,
@@ -79,7 +80,7 @@ ObjectDefineProperty(EventEmitter, 'defaultMaxListeners', {
     return defaultMaxListeners;
   },
   set: function(arg) {
-    if (typeof arg !== 'number' || arg < 0 || Number.isNaN(arg)) {
+    if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {
       throw new ERR_OUT_OF_RANGE('defaultMaxListeners',
                                  'a non-negative number',
                                  arg);
@@ -102,7 +103,7 @@ EventEmitter.init = function() {
 // Obviously not all Emitters should be limited to 10. This function allows
 // that to be increased. Set to zero for unlimited.
 EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
-  if (typeof n !== 'number' || n < 0 || Number.isNaN(n)) {
+  if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {
     throw new ERR_OUT_OF_RANGE('n', 'a non-negative number', n);
   }
   this._maxListeners = n;

diff --git a/lib/fs.js b/lib/fs.js
@@ -26,6 +26,7 @@
 
 const {
   MathMax,
+  NumberIsSafeInteger,
   ObjectCreate,
   ObjectDefineProperties,
   ObjectDefineProperty,
@@ -472,7 +473,7 @@ function read(fd, buffer, offset, length, position, callback) {
 
   validateOffsetLengthRead(offset, length, buffer.byteLength);
 
-  if (!Number.isSafeInteger(position))
+  if (!NumberIsSafeInteger(position))
     position = -1;
 
   function wrapper(err, bytesRead) {
@@ -512,7 +513,7 @@ function readSync(fd, buffer, offset, length, position) {
 
   validateOffsetLengthRead(offset, length, buffer.byteLength);
 
-  if (!Number.isSafeInteger(position))
+  if (!NumberIsSafeInteger(position))
     position = -1;
 
   const ctx = {};

diff --git a/lib/internal/async_hooks.js b/lib/internal/async_hooks.js
@@ -2,6 +2,7 @@
 
 const {
   FunctionPrototypeBind,
+  NumberIsSafeInteger,
   ObjectDefineProperty,
 } = primordials;
 
@@ -118,7 +119,7 @@ function validateAsyncId(asyncId, type) {
   // Skip validation when async_hooks is disabled
   if (async_hook_fields[kCheck] <= 0) return;
 
-  if (!Number.isSafeInteger(asyncId) || asyncId < -1) {
+  if (!NumberIsSafeInteger(asyncId) || asyncId < -1) {
     fatalError(new ERR_INVALID_ASYNC_ID(type, asyncId));
   }
 }
@@ -299,7 +300,7 @@ function clearDefaultTriggerAsyncId() {
 function defaultTriggerAsyncIdScope(triggerAsyncId, block, ...args) {
   if (triggerAsyncId === undefined)
     return block(...args);
-  // CHECK(Number.isSafeInteger(triggerAsyncId))
+  // CHECK(NumberIsSafeInteger(triggerAsyncId))
   // CHECK(triggerAsyncId > 0)
   const oldDefaultTriggerAsyncId = async_id_fields[kDefaultTriggerAsyncId];
   async_id_fields[kDefaultTriggerAsyncId] = triggerAsyncId;

diff --git a/lib/internal/crypto/random.js b/lib/internal/crypto/random.js
@@ -2,6 +2,7 @@
 
 const {
   MathMin,
+  NumberIsNaN,
 } = primordials;
 
 const { AsyncWrap, Providers } = internalBinding('async_wrap');
@@ -23,7 +24,7 @@ function assertOffset(offset, elementSize, length) {
   offset *= elementSize;
 
   const maxLength = MathMin(length, kMaxPossibleLength);
-  if (Number.isNaN(offset) || offset > maxLength || offset < 0) {
+  if (NumberIsNaN(offset) || offset > maxLength || offset < 0) {
     throw new ERR_OUT_OF_RANGE('offset', `>= 0 && <= ${maxLength}`, offset);
   }
 
@@ -34,7 +35,7 @@ function assertSize(size, elementSize, offset, length) {
   validateNumber(size, 'size');
   size *= elementSize;
 
-  if (Number.isNaN(size) || size > kMaxPossibleLength || size < 0) {
+  if (NumberIsNaN(size) || size > kMaxPossibleLength || size < 0) {
     throw new ERR_OUT_OF_RANGE('size',
                                `>= 0 && <= ${kMaxPossibleLength}`, size);
   }

diff --git a/lib/internal/errors.js b/lib/internal/errors.js
@@ -13,6 +13,7 @@
 const {
   ArrayIsArray,
   MathAbs,
+  NumberIsInteger,
   ObjectDefineProperty,
   ObjectKeys,
 } = primordials;
@@ -1108,7 +1109,7 @@ E('ERR_OUT_OF_RANGE',
     let msg = replaceDefaultBoolean ? str :
       `The value of "${str}" is out of range.`;
     let received;
-    if (Number.isInteger(input) && MathAbs(input) > 2 ** 32) {
+    if (NumberIsInteger(input) && MathAbs(input) > 2 ** 32) {
       received = addNumericalSeparator(String(input));
     } else if (typeof input === 'bigint') {
       received = String(input);

diff --git a/lib/internal/fs/promises.js b/lib/internal/fs/promises.js
@@ -3,6 +3,7 @@
 const {
   MathMax,
   MathMin,
+  NumberIsSafeInteger,
 } = primordials;
 
 const {
@@ -235,7 +236,7 @@ async function read(handle, buffer, offset, length, position) {
 
   validateOffsetLengthRead(offset, length, buffer.length);
 
-  if (!Number.isSafeInteger(position))
+  if (!NumberIsSafeInteger(position))
     position = -1;
 
   const bytesRead = (await binding.read(handle.fd, buffer, offset, length,

diff --git a/lib/internal/fs/streams.js b/lib/internal/fs/streams.js
@@ -3,6 +3,8 @@
 const {
   Array,
   MathMin,
+  NumberIsInteger,
+  NumberIsSafeInteger,
   ObjectDefineProperty,
   ObjectSetPrototypeOf,
 } = primordials;
@@ -41,9 +43,9 @@ function allocNewPool(poolSize) {
 
 // Check the `this.start` and `this.end` of stream.
 function checkPosition(pos, name) {
-  if (!Number.isSafeInteger(pos)) {
+  if (!NumberIsSafeInteger(pos)) {
     validateNumber(pos, name);
-    if (!Number.isInteger(pos))
+    if (!NumberIsInteger(pos))
       throw new ERR_OUT_OF_RANGE(name, 'an integer', pos);
     throw new ERR_OUT_OF_RANGE(name, '>= 0 and <= 2 ** 53 - 1', pos);
   }

diff --git a/lib/internal/fs/utils.js b/lib/internal/fs/utils.js
@@ -3,6 +3,7 @@
 const {
   ArrayIsArray,
   DateNow,
+  NumberIsFinite,
   ObjectSetPrototypeOf,
   ReflectOwnKeys,
 } = primordials;
@@ -486,7 +487,7 @@ function toUnixTimestamp(time, name = 'time') {
   if (typeof time === 'string' && +time == time) {
     return +time;
   }
-  if (Number.isFinite(time)) {
+  if (NumberIsFinite(time)) {
     if (time < 0) {
       return DateNow() / 1000;
     }

diff --git a/lib/internal/process/per_thread.js b/lib/internal/process/per_thread.js
@@ -6,6 +6,7 @@
 
 const {
   ArrayIsArray,
+  NumberMAX_SAFE_INTEGER,
   ObjectDefineProperties,
   ObjectDefineProperty,
   ObjectFreeze,
@@ -102,7 +103,7 @@ function wrapProcessMethods(binding) {
   // implementation always returns numbers <= Number.MAX_SAFE_INTEGER.
   function previousValueIsValid(num) {
     return typeof num === 'number' &&
-        num <= Number.MAX_SAFE_INTEGER &&
+        num <= NumberMAX_SAFE_INTEGER &&
         num >= 0;
   }
 

diff --git a/lib/internal/readline/utils.js b/lib/internal/readline/utils.js
@@ -2,6 +2,7 @@
 
 const {
   Boolean,
+  NumberIsInteger,
 } = primordials;
 
 // Regex used for ansi escape code splitting
@@ -38,7 +39,7 @@ if (internalBinding('config').hasIntl) {
   const icu = internalBinding('icu');
   getStringWidth = function getStringWidth(str, options) {
     options = options || {};
-    if (Number.isInteger(str)) {
+    if (NumberIsInteger(str)) {
       // Provide information about the character with code point 'str'.
       return icu.getStringWidth(
         str,
@@ -76,7 +77,7 @@ if (internalBinding('config').hasIntl) {
    * Returns the number of columns required to display the given string.
    */
   getStringWidth = function getStringWidth(str) {
-    if (Number.isInteger(str))
+    if (NumberIsInteger(str))
       return isFullWidthCodePoint(str) ? 2 : 1;
 
     let width = 0;
@@ -107,7 +108,7 @@ if (internalBinding('config').hasIntl) {
   isFullWidthCodePoint = function isFullWidthCodePoint(code) {
     // Code points are derived from:
     // http://www.unicode.org/Public/UNIDATA/EastAsianWidth.txt
-    return Number.isInteger(code) && code >= 0x1100 && (
+    return NumberIsInteger(code) && code >= 0x1100 && (
       code <= 0x115f ||  // Hangul Jamo
       code === 0x2329 || // LEFT-POINTING ANGLE BRACKET
       code === 0x232a || // RIGHT-POINTING ANGLE BRACKET

diff --git a/lib/internal/repl.js b/lib/internal/repl.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const {
+  NumberIsNaN,
   ObjectCreate,
 } = primordials;
 
@@ -39,7 +40,7 @@ function createRepl(env, opts, cb) {
   }
 
   const historySize = Number(env.NODE_REPL_HISTORY_SIZE);
-  if (!Number.isNaN(historySize) && historySize > 0) {
+  if (!NumberIsNaN(historySize) && historySize > 0) {
     opts.historySize = historySize;
   } else {
     opts.historySize = 1000;

diff --git a/lib/internal/streams/state.js b/lib/internal/streams/state.js
@@ -2,6 +2,7 @@
 
 const {
   MathFloor,
+  NumberIsInteger,
 } = primordials;
 
 const { ERR_INVALID_OPT_VALUE } = require('internal/errors').codes;
@@ -18,7 +19,7 @@ function getDefaultHighWaterMark(objectMode) {
 function getHighWaterMark(state, options, duplexKey, isDuplex) {
   const hwm = highWaterMarkFrom(options, isDuplex, duplexKey);
   if (hwm != null) {
-    if (!Number.isInteger(hwm) || hwm < 0) {
+    if (!NumberIsInteger(hwm) || hwm < 0) {
       const name = isDuplex ? duplexKey : 'highWaterMark';
       throw new ERR_INVALID_OPT_VALUE(name, hwm);
     }