Merge parser and expressions into repository

actions-expressions/src/data/replacer.ts

@@ -0,0 +1,46 @@
+import { Array } from "./array";
+import { BooleanData } from "./boolean";
+import { Dictionary } from "./dictionary";
+import { Null } from "./null";
+import { NumberData } from "./number";
+import { StringData } from "./string";
+
+/**
+ * Replacer can be passed to JSON.stringify to convert an ExpressionData object into plain JSON
+ *
+ * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify#replacer
+ */
+export function replacer(key: string, value: any): any {
+  if (value instanceof Null) {
+    return null;
+  }
+
+  if (value instanceof BooleanData) {
+    return value.value;
+  }
+
+  if (value instanceof NumberData) {
+    return value.number();
+  }
+
+  if (value instanceof StringData) {
+    return value.coerceString();
+  }
+
+  if (value instanceof Array) {
+    return value.values();
+  }
+
+  if (value instanceof Dictionary) {
+    const pairs = value.pairs();
+
+    const r: any = {};
+    for (const p of pairs) {
+      r[p.key] = p.value;
+    }
+
+    return r;
+  }
+
+  return value;
+}