feat(envconfig): add output types

examples/envconfig.ts

@@ -0,0 +1,196 @@
+import { parse } from "../src/envconfig.ts";
+
+const env = {
+  MYAPP_PORT: "3003",
+};
+
+const envconfig = {
+  myapp: {
+    bool: {
+      optionalAliasArray: "`bool[]",
+      requiredAliasArray: "`bool[]`required",
+      optional: "`bool",
+      required: "`bool`required",
+      optionalSplitValues: "`bool`split_values",
+      requiredSplitValues: "`bool`split_values`required",
+    },
+    number: {
+      optionalAliasArray: "`number[]",
+      requiredAliasArray: "`number[]`required",
+      optional: "`number",
+      required: "`number`required",
+      optionalSplitValues: "`number`split_values",
+      requiredSplitValues: "`number`split_values`required",
+    },
+    string: {
+      optionalAliasArray: "`string[]",
+      requiredAliasArray: "`string[]`required",
+      optional: "`string",
+      required: "`string`required",
+      optionalSplitValues: "`string`split_values",
+      requiredSplitValues: "`string`split_values`required",
+    },
+    date: {
+      optionalAliasArray: "`date[]",
+      requiredAliasArray: "`date[]`required",
+      optional: "`date",
+      required: "`date`required",
+      optionalSplitValues: "`date`split_values",
+      requiredSplitValues: "`date`split_values`required",
+    },
+  },
+} as const;
+
+const out = parse(env, envconfig);
+
+type OutType = typeof out;
+
+// bool[]
+out.myapp.bool.optionalAliasArray;
+let bool_optionalAliasArray: typeof out.myapp.bool.optionalAliasArray =
+  undefined as boolean[] | undefined;
+void bool_optionalAliasArray;
+
+// bool[]`required
+out.myapp.bool.requiredAliasArray;
+let bool_requiredAliasArray: typeof out.myapp.bool.requiredAliasArray = [true];
+void bool_requiredAliasArray;
+
+// bool
+out.myapp.bool.optional;
+let bool_optional: typeof out.myapp.bool.optional = undefined as
+  | boolean
+  | undefined;
+void bool_optional;
+
+// bool`required
+out.myapp.bool.required;
+let bool_required: typeof out.myapp.bool.required = true;
+void bool_required;
+
+// `bool`split_values
+out.myapp.bool.optionalSplitValues;
+let bool_optionalSplitValues: typeof out.myapp.bool.optionalSplitValues =
+  undefined as boolean[] | undefined;
+void bool_optionalSplitValues;
+
+// `bool`split_values`required
+out.myapp.bool.requiredSplitValues;
+let bool_requiredSplitValues: typeof out.myapp.bool.requiredSplitValues = [
+  true,
+];
+void bool_requiredSplitValues;
+
+// number[]
+out.myapp.number.optionalAliasArray;
+let number_optionalAliasArray: typeof out.myapp.number.optionalAliasArray =
+  undefined as number[] | undefined;
+void number_optionalAliasArray;
+
+// number[]`required
+out.myapp.number.requiredAliasArray;
+let number_requiredAliasArray: typeof out.myapp.number.requiredAliasArray = [
+  1,
+];
+void number_requiredAliasArray;
+
+// number
+out.myapp.number.optional;
+let number_optional: typeof out.myapp.number.optional = undefined as
+  | number
+  | undefined;
+void number_optional;
+
+// number`required
+out.myapp.number.required;
+let number_required: typeof out.myapp.number.required = 1;
+void number_required;
+
+// `number`split_values
+out.myapp.number.optionalSplitValues;
+let number_optionalSplitValues: typeof out.myapp.number.optionalSplitValues =
+  undefined as number[] | undefined;
+void number_optionalSplitValues;
+
+// `number`split_values`required
+out.myapp.number.requiredSplitValues;
+let number_requiredSplitValues: typeof out.myapp.number.requiredSplitValues = [
+  1,
+];
+void number_requiredSplitValues;
+
+// string[]
+out.myapp.string.optionalAliasArray;
+let string_optionalAliasArray: typeof out.myapp.string.optionalAliasArray =
+  undefined as string[] | undefined;
+void string_optionalAliasArray;
+
+// string[]`required
+out.myapp.string.requiredAliasArray;
+let string_requiredAliasArray: typeof out.myapp.string.requiredAliasArray = [
+  "",
+];
+void string_requiredAliasArray;
+
+// string
+out.myapp.string.optional;
+let string_optional: typeof out.myapp.string.optional = undefined as
+  | string
+  | undefined;
+void string_optional;
+
+// string`required
+out.myapp.string.required;
+let string_required: typeof out.myapp.string.required = "";
+void string_required;
+
+// `string`split_values
+out.myapp.string.optionalSplitValues;
+let string_optionalSplitValues: typeof out.myapp.string.optionalSplitValues =
+  undefined as string[] | undefined;
+void string_optionalSplitValues;
+
+// `string`split_values`required
+out.myapp.string.requiredSplitValues;
+let string_requiredSplitValues: typeof out.myapp.string.requiredSplitValues = [
+  "",
+];
+void string_requiredSplitValues;
+
+// date[]
+out.myapp.date.optionalAliasArray;
+let date_optionalAliasArray: typeof out.myapp.date.optionalAliasArray =
+  undefined as Date[] | undefined;
+void date_optionalAliasArray;
+
+// date[]`required
+out.myapp.date.requiredAliasArray;
+let date_requiredAliasArray: typeof out.myapp.date.requiredAliasArray = [
+  new Date(),
+];
+void date_requiredAliasArray;
+
+// date
+out.myapp.date.optional;
+let date_optional: typeof out.myapp.date.optional = undefined as
+  | Date
+  | undefined;
+void date_optional;
+
+// date`required
+out.myapp.date.required;
+let date_required: typeof out.myapp.date.required = new Date();
+void date_required;
+
+// `date`split_values
+out.myapp.date.optionalSplitValues;
+let date_optionalSplitValues: typeof out.myapp.date.optionalSplitValues =
+  undefined as Date[] | undefined;
+void date_optionalSplitValues;
+
+// `date`split_values`required
+out.myapp.date.requiredSplitValues;
+let date_requiredSplitValues: typeof out.myapp.date.requiredSplitValues = [
+  new Date(),
+];
+void date_requiredSplitValues;