@armit/config-loader

Find and load configuration from a package.json property, rc file, or CommonJS module, also support .ts file type:

it will search up the directory tree, checking each of these places in each directory, until it finds some acceptable configuration (or hits the home directory).

config loader support below config file pattern

'package.json',
`.${moduleName}rc`,
`.${moduleName}rc.json`,
`.${moduleName}rc.yaml`,
`.${moduleName}rc.yml`,
`.${moduleName}rc.js`,
`.${moduleName}rc.ts`,
// cjs
`.${moduleName}rc.cjs`,
`${moduleName}.config.cjs`,

// esm with `type:module`, otherwise `cjs`
`${moduleName}.config.js`,
// esm with `type:module`, otherwise `cjs`
`${moduleName}.config.ts`,

// esm
`${moduleName}.config.mts`,
`${moduleName}.config.mjs`,