Edit: package-envs.js
const packageEnvs = (vals, prefix, env = {}) => { for (const [key, val] of Object.entries(vals)) { if (val === undefined) { continue } else if (val === null || val === false) { env[`${prefix}${key}`] = '' } else if (Array.isArray(val)) { val.forEach((item, index) => { packageEnvs({ [`${key}_${index}`]: item }, `${prefix}`, env) }) } else if (typeof val === 'object') { packageEnvs(val, `${prefix}${key}_`, env) } else { env[`${prefix}${key}`] = String(val) } } return env } // https://github.com/npm/rfcs/pull/183 defines which fields we put into the environment module.exports = pkg => { return packageEnvs({ name: pkg.name, version: pkg.version, config: pkg.config, engines: pkg.engines, bin: pkg.bin, }, 'npm_package_') }
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