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GeezerVison is showing github.com — util: improve performance of normalizeEncoding · nodejs/node@e6e7f39

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lib/internal
- util.js

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`‎lib/internal/util.js‎`

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+7-7Lines changed: 7 additions & 7 deletions

Original file line number	Diff line number	Diff line change
`@@ -219,13 +219,13 @@ function slowCases(enc) {`
`219`	`219`	`case 4:`
`220`	`220`	`if (enc === 'UTF8') return 'utf8';`
`221`	`221`	`if (enc === 'ucs2' \|\| enc === 'UCS2') return 'utf16le';`
`222`		- enc = `${enc}`.toLowerCase();
	`222`	`+ enc = StringPrototypeToLowerCase(enc);`
`223`	`223`	`if (enc === 'utf8') return 'utf8';`
`224`	`224`	`if (enc === 'ucs2') return 'utf16le';`
`225`	`225`	`break;`
`226`	`226`	`case 3:`
`227`	`227`	`if (enc === 'hex' \|\| enc === 'HEX' \|\|`
`228`		- `${enc}`.toLowerCase() === 'hex')
	`228`	`+ StringPrototypeToLowerCase(enc) === 'hex')`
`229`	`229`	`return 'hex';`
`230`	`230`	`break;`
`231`	`231`	`case 5:`
`@@ -234,7 +234,7 @@ function slowCases(enc) {`
`234`	`234`	`if (enc === 'UTF-8') return 'utf8';`
`235`	`235`	`if (enc === 'ASCII') return 'ascii';`
`236`	`236`	`if (enc === 'UCS-2') return 'utf16le';`
`237`		- enc = `${enc}`.toLowerCase();
	`237`	`+ enc = StringPrototypeToLowerCase(enc);`
`238`	`238`	`if (enc === 'utf-8') return 'utf8';`
`239`	`239`	`if (enc === 'ascii') return 'ascii';`
`240`	`240`	`if (enc === 'ucs-2') return 'utf16le';`
`@@ -244,23 +244,23 @@ function slowCases(enc) {`
`244`	`244`	`if (enc === 'latin1' \|\| enc === 'binary') return 'latin1';`
`245`	`245`	`if (enc === 'BASE64') return 'base64';`
`246`	`246`	`if (enc === 'LATIN1' \|\| enc === 'BINARY') return 'latin1';`
`247`		- enc = `${enc}`.toLowerCase();
	`247`	`+ enc = StringPrototypeToLowerCase(enc);`
`248`	`248`	`if (enc === 'base64') return 'base64';`
`249`	`249`	`if (enc === 'latin1' \|\| enc === 'binary') return 'latin1';`
`250`	`250`	`break;`
`251`	`251`	`case 7:`
`252`	`252`	`if (enc === 'utf16le' \|\| enc === 'UTF16LE' \|\|`
`253`		- `${enc}`.toLowerCase() === 'utf16le')
	`253`	`+ StringPrototypeToLowerCase(enc) === 'utf16le')`
`254`	`254`	`return 'utf16le';`
`255`	`255`	`break;`
`256`	`256`	`case 8:`
`257`	`257`	`if (enc === 'utf-16le' \|\| enc === 'UTF-16LE' \|\|`
`258`		- `${enc}`.toLowerCase() === 'utf-16le')
	`258`	`+ StringPrototypeToLowerCase(enc) === 'utf-16le')`
`259`	`259`	`return 'utf16le';`
`260`	`260`	`break;`
`261`	`261`	`case 9:`
`262`	`262`	`if (enc === 'base64url' \|\| enc === 'BASE64URL' \|\|`
`263`		- `${enc}`.toLowerCase() === 'base64url')
	`263`	`+ StringPrototypeToLowerCase(enc) === 'base64url')`
`264`	`264`	`return 'base64url';`
`265`	`265`	`break;`
`266`	`266`	`default:`

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