Use Intl.Locale internally#605
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zbranieckiforce-pushed the use-intl-locale branch from 96375ad to 7088385Compare
eemeli left a comment
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Overall quite happy with this. I'm a little surprised that checking the string length works, but indeed it apparently does, as the canonicalizations never change the subtag length. Some nitpicky line comments, and it looks like we may need to drop Node.js 12 CI tests.
I'd be fine inlining the constructor code that's here moved to separate functions, but this isn't a strong stylistic opinion, as long as the linter is satisfied.
| constscriptCodeRe="(?:-([a-z]{4}|\\*))"; | ||
| constregionCodeRe="(?:-([a-z]{2}|\\*))"; | ||
| constvariantCodeRe="(?:-(([0-9][a-z0-9]{3}|[a-z0-9]{5,8})|\\*))"; | ||
| functiongetVisibleLangTagLength(language: any,script: any,region: any){ |
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These should really be typed as string | undefined; there should be no need for any here.
| } | ||
| let[,language,script,region,variant]=result; | ||
| this.language=result.language||"und"; |
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How could result.language ever be empty?
| this.isWellFormed=true; | ||
| } | ||
| staticfromComponents({language, script, region, variant}: { |
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Could/should this also use Intl.Locale? The original included some normalizations that are included in Intl.Locale processing, but they're dropped in these changes. Code here could construct an options bag to pass as the second arg of the Intl constructor, and then read the language/script/region from the result.
| { | ||
| "extends": "../tsconfig.json", | ||
| "compilerOptions":{ | ||
| "target": "es2020", |
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Is this enough? I was under the impression that TS only added the Intl.Locale types in es2021.
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Alternative to #602 and #601 approach to fix#551 and #600.
I'm using
Intl.Localeinternally, but wrapping it for the masks use. This passes all tests and hopefully will make our alignment with ECMA-402 better.It also make us pass meta-zones and other BCP47 pieces using internal runtime parser.