directly use merger function to merge schemas combined using allOf (e…

…thereum#437)

scripts/build.js

@@ -1,6 +1,6 @@
 import fs from "fs";
 import yaml from "js-yaml";
-import merger from "json-schema-merge-allof";
+import mergeAllOf from "json-schema-merge-allof";
 import { dereferenceDocument } from "@open-rpc/schema-utils-js";
 
 function sortByMethodName(methods) {
@@ -102,26 +102,12 @@ let spec = await dereferenceDocument(doc);
 
 spec.components = {};
 
-function recursiveMerge(schema) {
-  schema = merger(schema);
-
-  if("items" in schema && "oneOf" in schema.items) {
-      schema.items.oneOf = recursiveMerge(schema.items.oneOf);
-  }
-  if("oneOf" in schema) {
-    for(var k=0; k < schema.oneOf.length; k++) {
-      schema.oneOf[k] = recursiveMerge(schema.oneOf[k]);
-    }
-  }
-  return schema;
-}
-
 // Merge instances of `allOf` in methods.
 for (var i=0; i < spec.methods.length; i++) {
   for (var j=0; j < spec.methods[i].params.length; j++) {
-    spec.methods[i].params[j].schema = recursiveMerge(spec.methods[i].params[j].schema);
+    spec.methods[i].params[j].schema = mergeAllOf(spec.methods[i].params[j].schema);
   }
-  spec.methods[i].result.schema = recursiveMerge(spec.methods[i].result.schema);
+  spec.methods[i].result.schema = mergeAllOf(spec.methods[i].result.schema);
 }
 
 let data = JSON.stringify(spec, null, '\t');