@randsum/notation/dist/utils/notationToOptions.js

A flexible, type-safe dice notation parser and validator

import { CapModifier, DropModifier, ExplodeModifier, MinusModifier, PlusModifier, ReplaceModifier, RerollModifier, UniqueModifier } from '@randsum/core';
import { coreNotationPattern } from '../patterns';
export function notationToOptions(notationString) {
    const coreNotationMatch = notationString.match(coreNotationPattern)?.at(0) ?? '';
    const modifiersString = notationString.replace(coreNotationMatch, '');
    const [quantity, sides = ''] = coreNotationMatch.split(/[Dd]/);
    if (sides.includes('{')) {
        return {
            quantity: Number(quantity),
            sides: [...sides.replaceAll(/{|}/g, '')]
        };
    }
    return {
        quantity: Number(quantity),
        sides: Number(sides),
        ...{
            modifiers: {
                ...DropModifier.parse(modifiersString),
                ...ExplodeModifier.parse(modifiersString),
                ...UniqueModifier.parse(modifiersString),
                ...ReplaceModifier.parse(modifiersString),
                ...RerollModifier.parse(modifiersString),
                ...CapModifier.parse(modifiersString),
                ...PlusModifier.parse(modifiersString),
                ...MinusModifier.parse(modifiersString)
            }
        }
    };
}
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