Follow up from https://github.com/garronej/github_actions_toolkit

src/string_replace.ts

@@ -0,0 +1,39 @@
+
+import { setOutputFactory } from "./outputHelper";
+
+import { getActionParamsFactory } from "./inputHelper";
+
+export const { getActionParams } = getActionParamsFactory({
+    "inputNameSubset": [
+        "input_string",
+        "search_value",
+        "replace_value"
+    ] as const
+});
+
+export type Params = ReturnType<typeof getActionParams>;
+
+type CoreLike = {
+    debug: (message: string) => void;
+};
+
+export const { setOutput } = setOutputFactory<"replace_result">();
+
+export async function action(
+    _actionName: "string_replace",
+    params: Params,
+    core: CoreLike
+): Promise<Parameters<typeof setOutput>[0]> {
+
+    core.debug(JSON.stringify(params));
+
+    const { input_string, search_value, replace_value } = params;
+
+    return {
+        "replace_result": input_string.replace(
+            new RegExp(search_value, "g"), 
+            replace_value
+        )
+    };
+
+}