Serialize JS functions

bartblast · Oct 18, 2024 · 54ff6e3 · 54ff6e3
1 parent 9e5c410
commit 54ff6e3
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diff --git a/assets/js/serializer.mjs b/assets/js/serializer.mjs
@@ -45,6 +45,10 @@ export default class Serializer {
         return `__bigint__:${value.toString()}`;
       }
 
+      if (typeof value === "function") {
+        return `__function__:${value.toString()}`;
+      }
+
       return value;
     });
 

diff --git a/test/javascript/serializer_test.mjs b/test/javascript/serializer_test.mjs
@@ -516,6 +516,26 @@ describe("Serializer", () => {
         });
       });
 
+      describe("function", () => {
+        it("top-level", () => {
+          // prettier-ignore
+          const term = (param1, param2) => { const integer = Type.integer(param1); const binary = Type.bitstring('a"bc'); return Type.list([integer, binary, param2]); };
+
+          const expected = `[1,"__function__:(param1, param2) => { const integer = Type.integer(param1); const binary = Type.bitstring('a\\"bc'); return Type.list([integer, binary, param2]); }"]`;
+
+          assert.equal(serialize(term), expected);
+        });
+
+        it("nested", () => {
+          // prettier-ignore
+          const term = {a: (param1, param2) => { const integer = Type.integer(param1); const binary = Type.bitstring('a"bc'); return Type.list([integer, binary, param2]); }, b: 2};
+
+          const expected = `[1,{"a":"__function__:(param1, param2) => { const integer = Type.integer(param1); const binary = Type.bitstring('a\\"bc'); return Type.list([integer, binary, param2]); }","b":2}]`;
+
+          assert.equal(serialize(term), expected);
+        });
+      });
+
       describe("integer", () => {
         it("top-level", () => {
           const term = 234;