Fix: Fix CJS/ESM build issues (#55)

* fix: fix esm build, remove lodash dependency

* fix: fix esm build, remove lodash dependency

Author: jonluca

package.json

@@ -26,12 +26,10 @@
   "author": "OpenAPI Contrib",
   "license": "MIT",
   "dependencies": {
-    "fast-deep-equal": "^3.1.3",
-    "lodash-es": "^4.17.21"
+    "fast-deep-equal": "^3.1.3"
   },
   "devDependencies": {
     "@types/json-schema": "^7.0.11",
-    "@types/lodash-es": "^4.17.7",
     "@typescript-eslint/eslint-plugin": "^5.57.0",
     "@typescript-eslint/parser": "^5.57.0",
     "c8": "^7.13.0",

src/index.ts

@@ -2,9 +2,9 @@ import deepEqual from "fast-deep-equal";
 import { fromSchema, fromParameter } from "./lib/convert";
 import type { Options, OptionsInternal, OpenAPI3 } from "./openapi-schema-types";
 import { NOT_SUPPORTED, STRUCTS } from "./consts";
-import { cloneDeep } from "lodash-es";
 import type { JSONSchema4 } from "json-schema";
 import type { ParameterObject, ResponseObject } from "openapi-typescript/src/types";
+import { cloneDeep } from "./lib/utils/cloneDeep";
 const patternPropertiesHandler = (schema) => {
   let pattern;
   const patternsObj = schema.patternProperties;

src/lib/converters/schema.ts

@@ -1,13 +1,13 @@
 import { isObject } from "../utils/isObject";
 import InvalidTypeError from "../errors/invalid-type-error";
 import type { OptionsInternal } from "../../openapi-schema-types";
-import { cloneDeep } from "lodash-es";
 import type { JSONSchema4, JSONSchema4TypeName } from "json-schema";
 import { VALID_OPENAPI_FORMATS } from "../../consts";
 import type { SchemaObject } from "openapi-typescript/src/types";
 import type { PatternPropertiesHandler } from "../../openapi-schema-types";
 import type { OpenAPI3 } from "openapi-typescript";
 import type { ReferenceObject } from "openapi-typescript/src/types";
+import { cloneDeep } from "../utils/cloneDeep";
 
 // Convert from OpenAPI 3.0 `SchemaObject` to JSON schema v4
 function convertFromSchema<T extends OpenAPI3 = OpenAPI3>(schema: T, options: OptionsInternal): JSONSchema4 {

src/lib/utils/cloneDeep.ts

@@ -0,0 +1,47 @@
+// Fromhttps://dev.to/salyadav/deep-clone-of-js-objects-with-circular-dependency-4if7
+const isArray = (val) => {
+  return Array.isArray(val);
+};
+
+const isObject = (val) => {
+  return {}.toString.call(val) === "[object Object]" && !isArray(val);
+};
+
+export const cloneDeep = (val, history = new Set()) => {
+  const stack = history || new Set();
+
+  if (stack.has(val)) {
+    return val;
+  }
+
+  stack.add(val);
+
+  const copyObject = (o) => {
+    const oo = Object.create({});
+    for (const k in o) {
+      oo[k] = cloneDeep(o[k], stack);
+    }
+    return oo;
+  };
+
+  const copyArray = (a) => {
+    return [...a].map((e) => {
+      if (isArray(e)) {
+        return copyArray(e);
+      } else if (isObject(e)) {
+        return copyObject(e);
+      }
+      return cloneDeep(e, stack);
+    });
+  };
+
+  if (isArray(val)) {
+    return copyArray(val);
+  }
+
+  if (isObject(val)) {
+    return copyObject(val);
+  }
+
+  return val;
+};

yarn.lock

@@ -650,18 +650,6 @@
   resolved "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.11.tgz#d421b6c527a3037f7c84433fd2c4229e016863d3"
   integrity sha512-wOuvG1SN4Us4rez+tylwwwCV1psiNVOkJeM3AUWUNWg/jDQY2+HE/444y5gc+jBmRqASOm2Oeh5c1axHobwRKQ==
 
-"@types/lodash-es@^4.17.7":
-  version "4.17.7"
-  resolved "https://registry.npmjs.org/@types/lodash-es/-/lodash-es-4.17.7.tgz#22edcae9f44aff08546e71db8925f05b33c7cc40"
-  integrity sha512-z0ptr6UI10VlU6l5MYhGwS4mC8DZyYer2mCoyysZtSF7p26zOX8UpbrV0YpNYLGS8K4PUFIyEr62IMFFjveSiQ==
-  dependencies:
-    "@types/lodash" "*"
-
-"@types/lodash@*":
-  version "4.14.192"
-  resolved "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.192.tgz#5790406361a2852d332d41635d927f1600811285"
-  integrity sha512-km+Vyn3BYm5ytMO13k9KTp27O75rbQ0NFw+U//g+PX7VZyjCioXaRFisqSIJRECljcTv73G3i6BpglNGHgUQ5A==
-
 "@types/minimist@^1.2.0":
   version "1.2.2"
   resolved "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.2.tgz#ee771e2ba4b3dc5b372935d549fd9617bf345b8c"