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Move RegExp flag version mapping to LanguageFeatureMinimumTarget #58311

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Merged
jakebailey merged 6 commits into from
Apr 25, 2024
Merged

Move RegExp flag version mapping to LanguageFeatureMinimumTarget #58311

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e96f25b
Move RegExp flag version mapping to LanguageFeatureMinimumTarget
jakebailey Apr 24, 2024
d8d83ac
Move to es2024
jakebailey Apr 25, 2024
291ad42
Merge branch 'main' into language-minimum-target
jakebailey Apr 25, 2024
d7fc5b0
Fix ups
jakebailey Apr 25, 2024
d18423b
Share code
jakebailey Apr 25, 2024
fb5e02b
remove func
jakebailey Apr 25, 2024
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remove func
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@jakebailey
jakebailey committed Apr 25, 2024
commit fb5e02be2fb88f4f472d65be5672ca108fc01259
6 changes: 1 addition & 5 deletions src/compiler/scanner.ts
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Expand Up @@ -302,10 +302,6 @@ const regExpFlagToFirstAvailableLanguageVersion = new Map<RegularExpressionFlags
[RegularExpressionFlags.Sticky, LanguageFeatureMinimumTarget.RegularExpressionFlagsSticky],
]);

function getRegExpFlagToFirstAvailableLanguageVersion(flag: RegularExpressionFlags) {
return regExpFlagToFirstAvailableLanguageVersion.get(flag) as ScriptTarget | undefined;
}

/*
As per ECMAScript Language Specification 5th Edition, Section 7.6: ISyntaxToken Names and Identifiers
IdentifierStart ::
Expand Down Expand Up @@ -3444,7 +3440,7 @@ export function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean
}

function checkRegularExpressionFlagAvailable(flag: RegularExpressionFlags, pos: number) {
const availableFrom = getRegExpFlagToFirstAvailableLanguageVersion(flag);
const availableFrom = regExpFlagToFirstAvailableLanguageVersion.get(flag) as ScriptTarget | undefined;
if (availableFrom && languageVersion < availableFrom) {
error(Diagnostics.This_regular_expression_flag_is_only_available_when_targeting_0_or_later, pos, 1, getNameOfScriptTarget(availableFrom));
}
Expand Down