improve some comments, remove unused properties from magic state shim in node API

src/node/NodeRecipe.mjs

@@ -24,8 +24,11 @@ class NodeRecipe {
 
 
     /**
-     * Validate an ingredient $ coerce to operation if necessary.
+     * Validate an ingredient & coerce to operation if necessary.
      * @param {String | Function | Object} ing
+     * @returns {Function || Object} The operation, or an object with the
+     *  operation and its arguments
+     * @throws {TypeError} If it cannot find the operation in chef's list of operations.
      */
     _validateIngredient(ing) {
         // CASE operation name given. Find operation and validate
@@ -34,6 +37,7 @@ class NodeRecipe {
                 return sanitise(op.opName) === sanitise(ing);
             });
             if (op) {
+                // Need to validate against case 2
                 return this._validateIngredient(op);
             } else {
                 throw new TypeError(`Couldn't find an operation with name '${ing}'.`);
@@ -41,7 +45,7 @@ class NodeRecipe {
         // CASE operation given. Check its a chef operation and check its not flowcontrol
         } else if (typeof ing === "function") {
             if (ing.flowControl) {
-                throw new TypeError(`flowControl operations like ${ing.opName} are not currently allowed in recipes for chef.bake`);
+                throw new TypeError(`flowControl operations like ${ing.opName} are not currently allowed in recipes for chef.bake in the Node API`);
             }
 
             if (operations.includes(ing)) {
@@ -63,7 +67,7 @@ class NodeRecipe {
 
 
     /**
-     * Parse config for recipe.
+     * Parse an opList from a recipeConfig and assign it to the recipe's opList.
      * @param {String | Function | String[] | Function[] | [String | Function]} recipeConfig
      */
     _parseConfig(recipeConfig) {

src/node/api.mjs

@@ -194,17 +194,14 @@ export function _wrap(OpClass) {
             const {transformedInput, transformedArgs} = prepareOp(opInstance, input, args);
 
             // SPECIAL CASE for Magic. Other flowControl operations will
-            // not work because the opList is not passed through.
+            // not work because the opList is not passed in.
             if (isFlowControl) {
                 opInstance.ingValues = transformedArgs;
 
                 const state = {
-                    "progress": 0,
+                    progress: 0,
-                    "dish": ensureIsDish(transformedInput),
+                    dish: ensureIsDish(transformedInput),
-                    "opList": [opInstance],
+                    opList: [opInstance],
-                    "numJumps": 0,
-                    "numRegisters": 0,
-                    "forkOffset": 0
                 };
 
                 const updatedState = await opInstance.run(state);

tests/node/tests/nodeApi.mjs

@@ -348,15 +348,15 @@ TestRegister.addApiTests([
     it("chef.bake: cannot accept flowControl operations in recipe", () => {
         assert.throws(() => chef.bake("some input", "magic"), {
             name: "TypeError",
-            message: "flowControl operations like Magic are not currently allowed in recipes for chef.bake"
+            message: "flowControl operations like Magic are not currently allowed in recipes for chef.bake in the Node API"
         });
         assert.throws(() => chef.bake("some input", magic), {
             name: "TypeError",
-            message: "flowControl operations like Magic are not currently allowed in recipes for chef.bake"
+            message: "flowControl operations like Magic are not currently allowed in recipes for chef.bake in the Node API"
         });
         assert.throws(() => chef.bake("some input", ["to base 64", "magic"]), {
             name: "TypeError",
-            message: "flowControl operations like Magic are not currently allowed in recipes for chef.bake"
+            message: "flowControl operations like Magic are not currently allowed in recipes for chef.bake in the Node API"
         });
     }),
 

tests/node/tests/operations.mjs

@@ -1077,10 +1077,10 @@ ExifImageHeight: 57`);
 
     it("performs MAGIC", async () => {
         const input = "WUagwsiae6mP8gNtCCLUFpCpCB26RmBDoDD8PacdAmzAzBVjkK2QstFXaKhpC6iUS7RHqXrJtFisoRSgoJ4whjm1arm864qaNq4RcfUmLHrcsAaZc5TXCYifNdgS83gDeejGX46gaiMyuBV6EskHt1scgJ88x2tNSotQDwbGY1mmCob2ARGFvCKYNqiN9ipMq1ZU1mgkdbNuGcb76aRtYWhCGUc8g93UJudhb8htsheZnwTpgqhx83SVJSZXMXUjJT2zmpC7uXWtumqokbdSi88YtkWDAc1Toouh2oH4D4ddmNKJWUDpMwmngUmK14xwmomccPQE9hM172APnSqwxdKQ172RkcAsysnmj5gGtRmVNNh2s359wr6mS2QRP";
-        const depth = 3;
+        const depth = 1;
 
         const res = await chef.magic(input, {
-            depth: 3
+            depth,
         });
 
         // assert against the structure of the output, rather than the values.