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lib: replace charCodeAt with fixed Unicode #32758

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lib: replace charCodeAt with fixed Unicode #32758

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b04ba6d
lib: replace charCodeAt with fixed Unicode
rickyes Apr 10, 2020
dd9e510
lib: replace charCodeAt with fixed Unicode
rickyes Apr 10, 2020
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14 changes: 10 additions & 4 deletions lib/internal/console/constructor.js
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Original file line number Diff line number Diff line change
Expand Up @@ -41,13 +41,19 @@ const {
const {
isTypedArray, isSet, isMap, isSetIterator, isMapIterator,
} = require('internal/util/types');
const {
CHAR_LOWERCASE_B,
CHAR_LOWERCASE_E,
CHAR_LOWERCASE_N,
CHAR_UPPERCASE_C,
} = require('internal/constants');
const kCounts = Symbol('counts');

const kTraceConsoleCategory = 'node,node.console';
const kTraceCount = 'C'.charCodeAt(0);
const kTraceBegin = 'b'.charCodeAt(0);
const kTraceEnd = 'e'.charCodeAt(0);
const kTraceInstant = 'n'.charCodeAt(0);
const kTraceCount = CHAR_UPPERCASE_C;
const kTraceBegin = CHAR_LOWERCASE_B;
const kTraceEnd = CHAR_LOWERCASE_E;
const kTraceInstant = CHAR_LOWERCASE_N;

const kSecond = 1000;
const kMinute = 60 * kSecond;
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4 changes: 4 additions & 0 deletions lib/internal/constants.js
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Expand Up @@ -8,6 +8,10 @@ module.exports = {
CHAR_LOWERCASE_A: 97, /* a */
CHAR_UPPERCASE_Z: 90, /* Z */
CHAR_LOWERCASE_Z: 122, /* z */
CHAR_UPPERCASE_C: 67, /* C */
CHAR_LOWERCASE_B: 98, /* b */
CHAR_LOWERCASE_E: 101, /* e */
CHAR_LOWERCASE_N: 110, /* n */

// Non-alphabetic chars.
CHAR_DOT: 46, /* . */
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8 changes: 6 additions & 2 deletions lib/internal/trace_events_async_hooks.js
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Expand Up @@ -10,12 +10,16 @@ const {
const { trace } = internalBinding('trace_events');
const async_wrap = internalBinding('async_wrap');
const async_hooks = require('async_hooks');
const {
CHAR_LOWERCASE_B,
CHAR_LOWERCASE_E,
} = require('internal/constants');

// Use small letters such that chrome://tracing groups by the name.
// The behavior is not only useful but the same as the events emitted using
// the specific C++ macros.
const kBeforeEvent = 'b'.charCodeAt(0);
const kEndEvent = 'e'.charCodeAt(0);
const kBeforeEvent = CHAR_LOWERCASE_B;
const kEndEvent = CHAR_LOWERCASE_E;
const kTraceEventCategory = 'node,node.async_hooks';

const kEnabled = Symbol('enabled');
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