tshy/dist/esm/valid-exports.js

TypeScript HYbridizer - Hybrid (CommonJS/ESM) TypeScript node package builder

import addDot from './add-dot.js';
import fail from './fail.js';
import validExternalExport from './valid-external-export.js';
export default (e) => {
    if (!e || typeof e !== 'object' || Array.isArray(e))
        return false;
    for (const [sub, exp] of Object.entries(e)) {
        if (sub !== '.' && !sub.startsWith('./')) {
            fail(`tshy.exports key must be "." or start with "./", got: ${sub}`);
            return process.exit(1);
        }
        // just a module. either a built export, or a simple unbuilt export
        if (typeof exp === 'string') {
            e[sub] = addDot(exp);
            continue;
        }
        if (typeof exp !== 'object') {
            fail(`tshy.exports ${sub} value must be valid package.json exports ` +
                `value, got: ${JSON.stringify(exp)}`);
            return process.exit(1);
        }
        // can be any valid external export, but the resolution of
        // import and require must NOT be in ./src
        if (!validExternalExport(exp)) {
            fail(`tshy.exports ${sub} unbuilt exports must not be in ./src, ` +
                `and exports in src must be string values. ` +
                `got: ${JSON.stringify(exp)}`);
            return process.exit(1);
        }
        e[sub] = exp;
    }
    return true;
};
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