Env Loader
Typed environment variable loading and validation. Zero dependencies.
Example: load(schema, source)
Schema
{
"NODE_ENV": {
"type": "string",
"default": "development"
},
"PORT": {
"type": "number",
"default": 3000
},
"DEBUG": {
"type": "boolean",
"default": false
},
"API_KEY": {
"type": "string",
"secret": true
}
}Source (raw env)
{
"NODE_ENV": "production",
"PORT": "8080",
"DEBUG": "true",
"API_KEY": "sk-live-abc123secret"
}Result (typed, parsed)
{
"NODE_ENV": "production",
"PORT": 8080,
"DEBUG": true,
"API_KEY": "sk-live-abc123secret"
}toSafeLog() — secrets masked
{
"NODE_ENV": "production",
"PORT": 8080,
"DEBUG": true,
"API_KEY": "***"
}