feat(tf): tf.Provider (#258)

tf/package.json

@@ -5,7 +5,7 @@
     "email": "[email protected]",
     "name": "Elad Ben-Israel"
   },
-  "version": "0.0.1",
+  "version": "0.0.2",
   "repository": {
     "type": "git",
     "url": "https://github.com/winglang/winglibs.git",

tf/provider.test.w

@@ -0,0 +1,18 @@
+bring expect;
+bring util;
+bring "./provider.w" as tf;
+
+if util.env("WING_TARGET").startsWith("tf") {
+  let provider = new tf.Provider(
+    name: "dnsimple",
+    source: "dnsimple/dnsimple",
+    version: "1.6.0",
+    attributes: {
+      token: "dnsimple_token",
+    }
+  ) as "DnsimpleProvider";
+
+  let tfconfig: Json = provider.toTerraform();
+  expect.equal(tfconfig["terraform"]["required_providers"], { "dnsimple": { "source": "dnsimple/dnsimple", "version": "1.6.0" } });
+  expect.equal(tfconfig["provider"], { "dnsimple": [{ "token": "dnsimple_token" }] });
+}

tf/provider.w

@@ -0,0 +1,37 @@
+bring "cdktf" as cdktf;
+
+pub struct ProviderProps {
+  /// The name of the provider in Terraform - this is the prefix used for all resources in the provider.
+  /// @example "aws"
+  name: str;
+  /// The source of the provider on the Terraform Registry.
+  /// @example "hashicorp/aws"
+  source: str;
+  /// The version of the provider to use.
+  /// @example "2.0"
+  version: str;
+  /// The provider-specific configuration options.
+  /// @default {}
+  attributes: Json?;
+}
+
+pub class Provider extends cdktf.TerraformProvider {
+  attributes: Json;
+
+  new(props: ProviderProps) {
+    super(
+      terraformResourceType: props.name,
+      terraformGeneratorMetadata: {
+        providerName: props.name,
+        providerVersion: props.version,
+      },
+      terraformProviderSource: props.source,
+    );
+
+    this.attributes = props.attributes ?? {};
+  }
+
+  protected synthesizeAttributes(): Json {
+    return this.attributes;
+  }
+}