export default function parseBoolExpr(expression: string): boolean { return new Function( "t", "f", "not", "and", "or", "return " + expression.replace(/(\!|\&|\|)/g, (a) => { const value = translator.get(a); return value ?? a; }), )(true, false, not, and, or); } const translator = new Map([ ["!", "not"], ["&", "and"], ["|", "or"], ]); export function not(a: boolean) { return !a; } export function and(...a: boolean[]) { let ans = a[0]; for (const value of a) { if (!value) { return false; } ans = ans && value; } return ans; } export function or(...a: boolean[]) { let ans = a[0]; for (const value of a) { if (value) { return true; } ans = ans || value; } return ans; }