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Use a bitmask to avoid unnecessary calls to contains in indexOfAnyCharCode.

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This commit is contained in:
Daniel Rosenwasser
2024-07-02 01:08:58 +00:00
parent 361d0d44fa
commit 8c822293ba
1 changed files with 7 additions and 1 deletions
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8
src/compiler/core.ts
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@@ -230,8 +230,14 @@ export function contains<T>(array: readonly T[] | undefined, value: T, equalityC
/** @internal */
export function indexOfAnyCharCode(text: string, charCodes: readonly number[], start?: number): number {
let bitMask = 0;
for (let i = 0; i < charCodes.length; i++) {
bitMask |= charCodes[i];
}
for (let i = start ?? 0; i < text.length; i++) {
if (contains(charCodes, text.charCodeAt(i))) {
const current = text.charCodeAt(i);
if ((current & bitMask) === current && contains(charCodes, current)) {
return i;
}
}