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util: refactor to use more primordials
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@aduh95
aduh95 committed Dec 28, 2020
1 parent d146b25 commit ed3f541
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Showing 6 changed files with 160 additions and 97 deletions.
55 changes: 33 additions & 22 deletions lib/internal/util.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,11 @@
const {
ArrayFrom,
ArrayIsArray,
ArrayPrototypePop,
ArrayPrototypePush,
ArrayPrototypeSlice,
ArrayPrototypeSort,
Error,
Map,
ObjectCreate,
ObjectDefineProperties,
ObjectDefineProperty,
Expand All @@ -13,8 +16,14 @@ const {
ObjectGetPrototypeOf,
ObjectSetPrototypeOf,
Promise,
ReflectApply,
ReflectConstruct,
Set,
RegExpPrototypeTest,
SafeMap,
SafeSet,
StringPrototypeReplace,
StringPrototypeToLowerCase,
StringPrototypeToUpperCase,
Symbol,
SymbolFor,
} = primordials;
Expand All @@ -40,12 +49,12 @@ const { isNativeError } = internalBinding('types');

const noCrypto = !process.versions.openssl;

const experimentalWarnings = new Set();
const experimentalWarnings = new SafeSet();

const colorRegExp = /\u001b\[\d\d?m/g; // eslint-disable-line no-control-regex

function removeColors(str) {
return str.replace(colorRegExp, '');
return StringPrototypeReplace(str, colorRegExp, '');
}

function isError(e) {
Expand All @@ -57,7 +66,7 @@ function isError(e) {

// Keep a list of deprecation codes that have been warned on so we only warn on
// each one once.
const codesWarned = new Set();
const codesWarned = new SafeSet();

// Mark that a method should not be used.
// Returns a modified function which warns once by default.
Expand Down Expand Up @@ -86,7 +95,7 @@ function deprecate(fn, msg, code) {
if (new.target) {
return ReflectConstruct(fn, args, new.target);
}
return fn.apply(this, args);
return ReflectApply(fn, this, args);
}

// The wrapper will keep the same prototype as fn to maintain prototype chain
Expand Down Expand Up @@ -132,12 +141,13 @@ function slowCases(enc) {
case 4:
if (enc === 'UTF8') return 'utf8';
if (enc === 'ucs2' || enc === 'UCS2') return 'utf16le';
enc = `${enc}`.toLowerCase();
enc = StringPrototypeToLowerCase(`${enc}`);
if (enc === 'utf8') return 'utf8';
if (enc === 'ucs2') return 'utf16le';
break;
case 3:
if (enc === 'hex' || enc === 'HEX' || `${enc}`.toLowerCase() === 'hex')
if (enc === 'hex' || enc === 'HEX' ||
StringPrototypeToLowerCase(`${enc}`) === 'hex')
return 'hex';
break;
case 5:
Expand All @@ -146,7 +156,7 @@ function slowCases(enc) {
if (enc === 'UTF-8') return 'utf8';
if (enc === 'ASCII') return 'ascii';
if (enc === 'UCS-2') return 'utf16le';
enc = `${enc}`.toLowerCase();
enc = StringPrototypeToLowerCase(`${enc}`);
if (enc === 'utf-8') return 'utf8';
if (enc === 'ascii') return 'ascii';
if (enc === 'ucs-2') return 'utf16le';
Expand All @@ -156,18 +166,18 @@ function slowCases(enc) {
if (enc === 'latin1' || enc === 'binary') return 'latin1';
if (enc === 'BASE64') return 'base64';
if (enc === 'LATIN1' || enc === 'BINARY') return 'latin1';
enc = `${enc}`.toLowerCase();
enc = StringPrototypeToLowerCase(`${enc}`);
if (enc === 'base64') return 'base64';
if (enc === 'latin1' || enc === 'binary') return 'latin1';
break;
case 7:
if (enc === 'utf16le' || enc === 'UTF16LE' ||
`${enc}`.toLowerCase() === 'utf16le')
StringPrototypeToLowerCase(`${enc}`) === 'utf16le')
return 'utf16le';
break;
case 8:
if (enc === 'utf-16le' || enc === 'UTF-16LE' ||
`${enc}`.toLowerCase() === 'utf-16le')
StringPrototypeToLowerCase(`${enc}`) === 'utf-16le')
return 'utf16le';
break;
default:
Expand All @@ -184,25 +194,25 @@ function emitExperimentalWarning(feature) {
}

function filterDuplicateStrings(items, low) {
const map = new Map();
const map = new SafeMap();
for (let i = 0; i < items.length; i++) {
const item = items[i];
const key = item.toLowerCase();
const key = StringPrototypeToLowerCase(item);
if (low) {
map.set(key, key);
} else {
map.set(key, item);
}
}
return ArrayFrom(map.values()).sort();
return ArrayPrototypeSort(ArrayFrom(map.values()));
}

function cachedResult(fn) {
let result;
return () => {
if (result === undefined)
result = fn();
return result.slice();
return ArrayPrototypeSlice(result);
};
}

Expand Down Expand Up @@ -244,7 +254,7 @@ function convertToValidSignal(signal) {
return signal;

if (typeof signal === 'string') {
const signalName = signals[signal.toUpperCase()];
const signalName = signals[StringPrototypeToUpperCase(signal)];
if (signalName) return signalName;
}

Expand Down Expand Up @@ -294,7 +304,7 @@ function promisify(original) {

function fn(...args) {
return new Promise((resolve, reject) => {
original.call(this, ...args, (err, ...values) => {
ArrayPrototypePush(args, (err, ...values) => {
if (err) {
return reject(err);
}
Expand All @@ -307,6 +317,7 @@ function promisify(original) {
resolve(values[0]);
}
});
ReflectApply(original, this, args);
});
}

Expand Down Expand Up @@ -343,7 +354,7 @@ function join(output, separator) {
function spliceOne(list, index) {
for (; index + 1 < list.length; index++)
list[index] = list[index + 1];
list.pop();
ArrayPrototypePop(list);
}

const kNodeModulesRE = /^(.*)[\\/]node_modules[\\/]/;
Expand Down Expand Up @@ -376,9 +387,9 @@ function isInsideNodeModules() {
const filename = frame.getFileName();
// If a filename does not start with / or contain \,
// it's likely from Node.js core.
if (!/^\/|\\/.test(filename))
if (!RegExpPrototypeTest(/^\/|\\/, filename))
continue;
return kNodeModulesRE.test(filename);
return RegExpPrototypeTest(kNodeModulesRE, filename);
}
}
return false;
Expand All @@ -389,7 +400,7 @@ function once(callback) {
return function(...args) {
if (called) return;
called = true;
callback.apply(this, args);
ReflectApply(callback, this, args);
};
}

Expand Down
34 changes: 20 additions & 14 deletions lib/internal/util/comparisons.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,12 @@

const {
ArrayIsArray,
ArrayPrototypeFilter,
ArrayPrototypePush,
BigIntPrototypeValueOf,
BooleanPrototypeValueOf,
DatePrototypeGetTime,
Error,
Map,
NumberIsNaN,
NumberPrototypeValueOf,
ObjectGetOwnPropertySymbols,
Expand All @@ -16,10 +17,11 @@ const {
ObjectPrototypeHasOwnProperty,
ObjectPrototypePropertyIsEnumerable,
ObjectPrototypeToString,
Set,
SafeMap,
SafeSet,
StringPrototypeValueOf,
SymbolPrototypeValueOf,
SymbolToStringTag,
TypedArrayPrototypeGetSymbolToStringTag,
Uint8Array,
} = primordials;

Expand Down Expand Up @@ -126,7 +128,7 @@ function isEqualBoxedPrimitive(val1, val2) {

function isIdenticalTypedArrayType(a, b) {
// Fast path to reduce type checks in the common case.
const check = types[`is${a[SymbolToStringTag]}`];
const check = types[`is${TypedArrayPrototypeGetSymbolToStringTag(a)}`];
if (check !== undefined && check(a)) {
return check(b);
}
Expand All @@ -150,8 +152,9 @@ function isIdenticalTypedArrayType(a, b) {
}
/* c8 ignore next 4 */
assert.fail(
`Unknown TypedArray type checking ${a[SymbolToStringTag]} ${a}\n` +
`and ${b[SymbolToStringTag]} ${b}`
'Unknown TypedArray type checking ' +
`${TypedArrayPrototypeGetSymbolToStringTag(a)} ${a}\n` +
`and ${TypedArrayPrototypeGetSymbolToStringTag(b)} ${b}`
);
}

Expand Down Expand Up @@ -291,7 +294,10 @@ function innerDeepEqual(val1, val2, strict, memos) {
}

function getEnumerables(val, keys) {
return keys.filter((k) => ObjectPrototypePropertyIsEnumerable(val, k));
return ArrayPrototypeFilter(
keys,
(k) => ObjectPrototypePropertyIsEnumerable(val, k)
);
}

function keyCheck(val1, val2, strict, memos, iterationType, aKeys) {
Expand Down Expand Up @@ -330,7 +336,7 @@ function keyCheck(val1, val2, strict, memos, iterationType, aKeys) {
if (!ObjectPrototypePropertyIsEnumerable(val2, key)) {
return false;
}
aKeys.push(key);
ArrayPrototypePush(aKeys, key);
count++;
} else if (ObjectPrototypePropertyIsEnumerable(val2, key)) {
return false;
Expand Down Expand Up @@ -360,8 +366,8 @@ function keyCheck(val1, val2, strict, memos, iterationType, aKeys) {
// Use memos to handle cycles.
if (memos === undefined) {
memos = {
val1: new Map(),
val2: new Map(),
val1: new SafeMap(),
val2: new SafeMap(),
position: 0
};
} else {
Expand Down Expand Up @@ -458,7 +464,7 @@ function setEquiv(a, b, strict, memo) {
// to check this improves the worst case scenario instead.
if (typeof val === 'object' && val !== null) {
if (set === null) {
set = new Set();
set = new SafeSet();
}
// If the specified value doesn't exist in the second set its an not null
// object (or non strict only: a not matching primitive) we'll need to go
Expand All @@ -475,7 +481,7 @@ function setEquiv(a, b, strict, memo) {
}

if (set === null) {
set = new Set();
set = new SafeSet();
}
set.add(val);
}
Expand Down Expand Up @@ -521,7 +527,7 @@ function mapEquiv(a, b, strict, memo) {
for (const [key, item1] of a) {
if (typeof key === 'object' && key !== null) {
if (set === null) {
set = new Set();
set = new SafeSet();
}
set.add(key);
} else {
Expand All @@ -537,7 +543,7 @@ function mapEquiv(a, b, strict, memo) {
if (!mapMightHaveLoosePrim(a, b, key, item1, memo))
return false;
if (set === null) {
set = new Set();
set = new SafeSet();
}
set.add(key);
}
Expand Down
8 changes: 5 additions & 3 deletions lib/internal/util/debuglog.js
View file
Original file line number Diff line number Diff line change
@@ -1,13 +1,15 @@
'use strict';

const {
FunctionPrototype,
FunctionPrototypeBind,
ObjectCreate,
ObjectDefineProperty,
RegExp,
RegExpPrototypeTest,
SafeArrayIterator,
StringPrototypeToUpperCase
StringPrototypeToLowerCase,
StringPrototypeToUpperCase,
} = primordials;

const { inspect, format, formatWithOptions } = require('internal/util/inspect');
Expand Down Expand Up @@ -37,13 +39,13 @@ function initializeDebugEnv(debugEnv) {
function emitWarningIfNeeded(set) {
if ('HTTP' === set || 'HTTP2' === set) {
process.emitWarning('Setting the NODE_DEBUG environment variable ' +
'to \'' + set.toLowerCase() + '\' can expose sensitive ' +
'to \'' + StringPrototypeToLowerCase(set) + '\' can expose sensitive ' +
'data (such as passwords, tokens and authentication headers) ' +
'in the resulting log.');
}
}

function noop() {}
const noop = FunctionPrototype;

function debuglogImpl(enabled, set) {
if (debugImpls[set] === undefined) {
Expand Down
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