Implement the whole thing

index.ts

@@ -0,0 +1,27 @@
+import {type Static, type TObject, type TProperties} from '@sinclair/typebox'
+import {Value} from '@sinclair/typebox/value'
+import logger from 'log'
+
+import {read_object} from './src/read_type'
+
+const log = logger('config')
+export {Type} from '@sinclair/typebox' // Re-export Type so users can describe config
+
+export async function parse<T extends TProperties>(scheme: TObject<T>): Promise<Static<TObject<T>> | null> {
+    log.info("Parse configuration from env")
+
+    log.debug("Read configuration from env")
+    const config = await read_object(scheme)
+    if (!config.ok) return null
+
+    // This check is kind of a duplicate, is it useful ?
+    log.debug("Validate config against scheme")
+    const config_parsed = Value.Check(scheme, config.data)
+    if (config_parsed) {
+        log.trace("Config is valid")
+        return config.data
+    } else {
+        log.warn("Invalid config, check failed")
+        return null
+    }
+}