Configuring morphs in the scope/module level

// Manual conversion required
const env = arkenv({
  PORT: type("string").pipe(str => Number.parseInt(str, 10)),
  DEBUG: type("string").pipe(str => str === "true")
});

// Coercion
const env = arkenv({
  PORT: "number",           // "3000" → 3000
  DEBUG: "boolean",        // "true" → true  
  TIMESTAMP: "number.epoch" // "1640995200000" → 1640995200000
  MY_INTL "number.integer" // "123" → 123, "123.4" fails
});

export const $ = scope({
    string: type.module(
        {
            ...type.keywords.string,
            host,
        },
    ),
    number: type.module({
        ...type.keywords.number,
        port,
        root: type("string | number", "=>", (str) =>
            typeof str === "number" ? str : Number.parseInt(str, 10),
        ),
    }),
    boolean,
});

export const $ = scope({
    number: type.module(
        {
            ...type.keywords.number,
            port,
        },
        {
            morph: (str) =>
                typeof str === "number" ? str : Number.parseInt(str, 10),
        },
    )
});