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chore: use shift operator instead of Math.pow #2053

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merged 1 commit into from Oct 24, 2022
Merged

chore: use shift operator instead of Math.pow #2053

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6 changes: 3 additions & 3 deletions plugins/typescript/src/services/semanticTokens.ts
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Expand Up @@ -50,11 +50,11 @@ export function register(
}

const serverToken = tsTokenTypeToServerTokenType(tokenType);
const serverTokenModifiers = tsTokenModifierToServerTokenModifier(tokenModifiers);
if (serverToken === undefined) {
continue;
}

const serverTokenModifiers = tsTokenModifierToServerTokenModifier(tokenModifiers);
// we can use the document's range conversion methods because the result is at the same version as the document
const startPos = document.positionAt(offset);
const endPos = document.positionAt(offset + length);
Expand All @@ -74,10 +74,10 @@ export function register(
function tsTokenModifierToServerTokenModifier(input: number) {
let m = 0;
for (let i = 0; i < tokenModifiers.length; i++) {
if (input & Math.pow(2, i)) {
if (input & (1 << i)) {
const match = legend.tokenModifiers.indexOf(tokenModifiers[i]);
if (match >= 0) {
m |= Math.pow(2, match);
m |= 1 << match;
}
}
}
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