import.meta

For module-level constants we keep and extend the import.meta convention:

| Field | Description | Type | Examples |
|-------|-------------|------|----------|
| import.meta.url | current module URL | string | "file:///app/src/main.ds", "https://example.com/mod.ds" |
| import.meta.path | current local file path, when available | string \| undefined | "/app/src/main.ds", undefined |
| import.meta.dir | current local directory, when available | string \| undefined | "/app/src", undefined |
| import.meta.output | output artifact | Output | "bundle", "program" |
| import.meta.platform | target operating system | Platform | "linux", "windows", "none" |
| import.meta.host | target host environment | Host | "browser", "native", "wasi" |
| import.meta.target | target family and ABI | Target | { family: "unix", arch: "x64", abi: "gnu" } |
| import.meta.targetName | active build target name | string \| undefined | "web", "native" |
| import.meta.product | active deliverable product name | Product \| undefined | "app", "server" |
| import.meta.version | active package version | string \| undefined | "2026.5.2" |
| import.meta.stability | active package or product stability | Stability \| undefined | "alpha", "stable" |
| import.meta.runtime | semantic runtime | Runtime | "destack", "js" |
| import.meta.<mode> | mode shorthands for debug, dev, prod, test, bench, lint | boolean | import.meta.test, import.meta.prod |
| import.meta.env | configured build environment | { readonly [key: string]: string \| undefined } | { NODE_ENV: "production" } |