mcp-decisive/dist/common/primitive.js

MCP server for WRAP decision-making framework with structured output

import { ok, err } from 'neverthrow';
import { randomUUID } from 'crypto';
export const NonEmptyString = {
    from: (s) => {
        const trimmed = s.trim();
        if (trimmed !== '') {
            return ok({ _tag: 'NonEmptyString', value: trimmed });
        }
        return err('String cannot be empty or blank');
    },
    value: (s) => s.value
};
export const PositiveNumber = {
    from: (n) => n > 0 ? ok(n)
        : err('Value must be a positive number'),
    plus: (a, b) => (a + b),
    plusRaw: (base, delta) => base + delta > 0 ? ok((base + delta))
        : err('Resulting value must be a positive number'),
    minus: (a, b) => a - b > 0 ? ok((a - b))
        : err('Resulting value must be a positive number'),
    minusRaw: (base, delta) => base - delta > 0 ? ok((base - delta))
        : err('Resulting value must be a positive number'),
    compareTo: (a, b) => a === b ? 0 : a > b ? 1 : -1,
    value: (n) => n
};
export const ID = {
    generate: () => randomUUID(),
    value: (id) => id
};
export const NonEmptyArray = {
    from: (xs) => xs.length > 0 ? ok(xs)
        : err('Array cannot be empty')
};
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