preflopCombosFromNotation
NLHE combo count from shorthand notation: AA → 6, AKs → 4, AKo → 12. Throws on invalid notation.
preflopCombosFromNotation(notation: string): number
Import
const poker = require('poker-calculations');
ESM (Node):
import { createRequire } from 'module';
const require = createRequire(import.meta.url);
const poker = require('poker-calculations');
When to use
Use when a range cell or study note uses standard preflop labels and you need how many combos that cell represents before weighting or blocking.
How to use
console.log(poker.preflopCombosFromNotation('AA')); // 6
console.log(poker.preflopCombosFromNotation('AKs')); // 4
console.log(poker.preflopCombosFromNotation('AKo')); // 12