Function readEnv

packages/editor/src/lib/utils/debug-flags.ts:150–156

(fn: () => string | undefined)

// chaining because some bundlers search for `process.env.SOMETHING` as a string
// and replace it with its value.
function readEnv(fn: () => string | undefined) {
	try {
		return fn()
	} catch {
		return null
	}
}

function getDefaultValue<T>(def: DebugFlagDef<T>): T {
	const env =