diff --git a/package-lock.json b/package-lock.json
index 2761a965..60c24a65 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1773,6 +1773,28 @@
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+      "resolved": "https://registry.npmjs.org/@ts-morph/common/-/common-0.12.3.tgz",
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+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
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@@ -3134,6 +3156,14 @@
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+      "resolved": "https://registry.npmjs.org/code-block-writer/-/code-block-writer-11.0.0.tgz",
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@@ -9094,6 +9124,11 @@
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+      "resolved": "https://registry.npmjs.org/path-browserify/-/path-browserify-1.0.1.tgz",
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@@ -11201,6 +11236,15 @@
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+      "resolved": "https://registry.npmjs.org/ts-morph/-/ts-morph-13.0.3.tgz",
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-      "dev": true,
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-        "oas": "^17.7.3"
+        "oas": "^17.7.3",
+        "ts-morph": "^13.0.3",
+        "typescript": "^4.6.2"
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@@ -12384,6 +12427,7 @@
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@@ -12402,7 +12446,7 @@
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@@ -13691,7 +13735,7 @@
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-        "@readme/eslint-config": "^8.4.1",
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@@ -13709,9 +13753,10 @@
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         "prettier": "^2.5.1",
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@@ -13728,6 +13773,7 @@
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         "form-data-encoder": "^1.7.1",
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@@ -13737,7 +13783,7 @@
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       "dev": true
     },
+    "@ts-morph/common": {
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+      "resolved": "https://registry.npmjs.org/@ts-morph/common/-/common-0.12.3.tgz",
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+      "requires": {
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+        "minimatch": "^3.0.4",
+        "mkdirp": "^1.0.4",
+        "path-browserify": "^1.0.1"
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+        }
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+    },
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       "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.8.tgz",
@@ -14293,7 +14357,6 @@
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@@ -14303,7 +14366,7 @@
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         "prettier": "^2.5.1",
-        "typescript": "^4.5.5",
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@@ -14953,6 +15016,14 @@
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       }
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+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/code-block-writer/-/code-block-writer-11.0.0.tgz",
+      "integrity": "sha512-GEqWvEWWsOvER+g9keO4ohFoD3ymwyCnqY3hoTr7GZipYFwEhMHJw+TtV0rfgRhNImM6QWZGO2XYjlJVyYT62w==",
+      "requires": {
+        "tslib": "2.3.1"
+      }
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       "resolved": "https://registry.npmjs.org/code-error-fragment/-/code-error-fragment-0.0.230.tgz",
@@ -19462,6 +19533,11 @@
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-browserify/-/path-browserify-1.0.1.tgz",
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+    },
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@@ -21065,6 +21141,15 @@
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       "dev": true
     },
+    "ts-morph": {
+      "version": "13.0.3",
+      "resolved": "https://registry.npmjs.org/ts-morph/-/ts-morph-13.0.3.tgz",
+      "integrity": "sha512-pSOfUMx8Ld/WUreoSzvMFQG5i9uEiWIsBYjpU9+TTASOeUa89j5HykomeqVULm1oqWtBdleI3KEFRLrlA3zGIw==",
+      "requires": {
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+        "code-block-writer": "^11.0.0"
+      }
+    },
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@@ -21189,10 +21274,9 @@
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+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.2.tgz",
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diff --git a/packages/api/package-lock.json b/packages/api/package-lock.json
index 8ffac15e..65b8b12b 100644
--- a/packages/api/package-lock.json
+++ b/packages/api/package-lock.json
@@ -12,7 +12,6 @@
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@@ -33,7 +32,7 @@
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-        "typescript": "^4.5.5",
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@@ -49,6 +48,7 @@
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@@ -67,7 +67,7 @@
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@@ -3625,18 +3625,6 @@
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@@ -5318,24 +5306,6 @@
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-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/jimmywarting"
-        },
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-          "type": "github",
-          "url": "https://paypal.me/jimmywarting"
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@@ -7184,9 +7154,9 @@
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-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.2.tgz",
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@@ -7309,14 +7279,6 @@
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@@ -7979,6 +7941,7 @@
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@@ -7988,7 +7951,7 @@
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@@ -12831,9 +12780,9 @@
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+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.2.tgz",
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@@ -12939,11 +12888,6 @@
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diff --git a/packages/api/package.json b/packages/api/package.json
index 9450f5db..7d8201bf 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -32,7 +32,6 @@
     "@readme/api-core": "file:../core",
     "@readme/openapi-parser": "^2.0.0",
     "find-cache-dir": "^3.3.1",
-    "formdata-node": "^4.3.2",
     "isomorphic-fetch": "^3.0.0",
     "js-yaml": "^4.1.0",
     "make-dir": "^3.1.0",
@@ -53,7 +52,7 @@
     "nock": "^13.2.4",
     "nyc": "^15.1.0",
     "prettier": "^2.5.1",
-    "typescript": "^4.5.5",
+    "typescript": "^4.6.2",
     "unique-temp-dir": "^1.0.0"
   },
   "prettier": "@readme/eslint-config/prettier",
diff --git a/packages/api/src/index.ts b/packages/api/src/index.ts
index 0fad6687..89e102f2 100644
--- a/packages/api/src/index.ts
+++ b/packages/api/src/index.ts
@@ -3,7 +3,6 @@ import type { OASDocument } from './types';
 import type { HttpMethods } from 'oas/@types/rmoas.types';
 import type { ConfigOptions } from '@readme/api-core';
 
-import 'isomorphic-fetch';
 import Oas from 'oas';
 import APICore from '@readme/api-core';
 import Cache from './cache';
diff --git a/packages/cli/.gitignore b/packages/cli/.gitignore
index 6dd30047..ebbb8ac9 100644
--- a/packages/cli/.gitignore
+++ b/packages/cli/.gitignore
@@ -3,7 +3,7 @@
 *.tsbuildinfo
 .nyc_output/
 dist/
-lib/
+./lib/
 node_modules/
 tmp/
 oclif.manifest.json
diff --git a/packages/cli/package-lock.json b/packages/cli/package-lock.json
index 47212736..bf2db5cc 100644
--- a/packages/cli/package-lock.json
+++ b/packages/cli/package-lock.json
@@ -17,11 +17,13 @@
         "fetch-har": "^6.1.0",
         "js-yaml": "^4.1.0",
         "json-schema-to-typescript": "^10.1.5",
-        "oas": "^17.7.3"
+        "oas": "^17.7.3",
+        "ts-morph": "^13.0.3",
+        "typescript": "^4.6.2"
       },
       "devDependencies": {
         "@oclif/test": "^2.1.0",
-        "@readme/eslint-config": "^8.4.1",
+        "@readme/eslint-config": "^8.4.4",
         "@readme/oas-examples": "^4.4.0",
         "@types/chai": "^4.3.0",
         "@types/js-yaml": "^4.0.5",
@@ -35,8 +37,7 @@
         "prettier": "^2.5.1",
         "shx": "^0.3.3",
         "ts-node": "^10.5.0",
-        "tslib": "^2.3.1",
-        "typescript": "^4.5.5"
+        "tslib": "^2.3.1"
       },
       "engines": {
         "node": "^14 || ^16"
@@ -51,6 +52,7 @@
         "datauri": "^4.1.0",
         "fetch-har": "^6.1.0",
         "form-data-encoder": "^1.7.1",
+        "formdata-node": "^4.3.2",
         "get-stream": "^6.0.0",
         "isomorphic-fetch": "^3.0.0",
         "json-schema-traverse": "^1.0.0",
@@ -69,7 +71,7 @@
         "nock": "^13.2.4",
         "nyc": "^15.1.0",
         "prettier": "^2.5.1",
-        "typescript": "^4.5.5"
+        "typescript": "^4.6.2"
       },
       "engines": {
         "node": "^14 || ^16"
@@ -903,13 +905,13 @@
       }
     },
     "node_modules/@readme/eslint-config": {
-      "version": "8.4.2",
-      "resolved": "https://registry.npmjs.org/@readme/eslint-config/-/eslint-config-8.4.2.tgz",
-      "integrity": "sha512-o9p3aho6wV6/DMsZ1yBz0PAyhLLlIYa60kxNxl03puVSJGRrcx9+Zc3NPzkaZblLMGH3DI6MZFK5hTkWLtYbhw==",
+      "version": "8.4.4",
+      "resolved": "https://registry.npmjs.org/@readme/eslint-config/-/eslint-config-8.4.4.tgz",
+      "integrity": "sha512-WBdGwOzh3N1ez3tRjIJXiKOkjZeaHEzShlbT1UYJyCVd3AO+PXVXQg42zpkrQNy9rJad1mRXjA7/Hm6oa2RAkw==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/eslint-plugin": "^5.4.0",
-        "@typescript-eslint/parser": "^5.4.0",
+        "@typescript-eslint/eslint-plugin": "^5.13.0",
+        "@typescript-eslint/parser": "^5.13.0",
         "eslint-config-airbnb-base": "^15.0.0",
         "eslint-config-prettier": "^8.1.0",
         "eslint-import-resolver-typescript": "^2.4.0",
@@ -928,7 +930,7 @@
         "eslint-plugin-react": "^7.17.0",
         "eslint-plugin-react-hooks": "^4.2.0",
         "eslint-plugin-testing-library": "^5.0.0",
-        "eslint-plugin-unicorn": "^40.0.0",
+        "eslint-plugin-unicorn": "^41.0.0",
         "eslint-plugin-you-dont-need-lodash-underscore": "^6.12.0"
       },
       "engines": {
@@ -1005,6 +1007,17 @@
         "node": ">= 6"
       }
     },
+    "node_modules/@ts-morph/common": {
+      "version": "0.12.3",
+      "resolved": "https://registry.npmjs.org/@ts-morph/common/-/common-0.12.3.tgz",
+      "integrity": "sha512-4tUmeLyXJnJWvTFOKtcNJ1yh0a3SsTLi2MUoyj8iUNznFRN1ZquaNe7Oukqrnki2FzZkm0J9adCNLDZxUzvj+w==",
+      "dependencies": {
+        "fast-glob": "^3.2.7",
+        "minimatch": "^3.0.4",
+        "mkdirp": "^1.0.4",
+        "path-browserify": "^1.0.1"
+      }
+    },
     "node_modules/@tsconfig/node10": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.8.tgz",
@@ -1131,14 +1144,14 @@
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.12.1.tgz",
-      "integrity": "sha512-M499lqa8rnNK7mUv74lSFFttuUsubIRdAbHcVaP93oFcKkEmHmLqy2n7jM9C8DVmFMYK61ExrZU6dLYhQZmUpw==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.13.0.tgz",
+      "integrity": "sha512-vLktb2Uec81fxm/cfz2Hd6QaWOs8qdmVAZXLdOBX6JFJDhf6oDZpMzZ4/LZ6SFM/5DgDcxIMIvy3F+O9yZBuiQ==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/scope-manager": "5.12.1",
-        "@typescript-eslint/type-utils": "5.12.1",
-        "@typescript-eslint/utils": "5.12.1",
+        "@typescript-eslint/scope-manager": "5.13.0",
+        "@typescript-eslint/type-utils": "5.13.0",
+        "@typescript-eslint/utils": "5.13.0",
         "debug": "^4.3.2",
         "functional-red-black-tree": "^1.0.1",
         "ignore": "^5.1.8",
@@ -1164,14 +1177,14 @@
       }
     },
     "node_modules/@typescript-eslint/parser": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.12.1.tgz",
-      "integrity": "sha512-6LuVUbe7oSdHxUWoX/m40Ni8gsZMKCi31rlawBHt7VtW15iHzjbpj2WLiToG2758KjtCCiLRKZqfrOdl3cNKuw==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.13.0.tgz",
+      "integrity": "sha512-GdrU4GvBE29tm2RqWOM0P5QfCtgCyN4hXICj/X9ibKED16136l9ZpoJvCL5pSKtmJzA+NRDzQ312wWMejCVVfg==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/scope-manager": "5.12.1",
-        "@typescript-eslint/types": "5.12.1",
-        "@typescript-eslint/typescript-estree": "5.12.1",
+        "@typescript-eslint/scope-manager": "5.13.0",
+        "@typescript-eslint/types": "5.13.0",
+        "@typescript-eslint/typescript-estree": "5.13.0",
         "debug": "^4.3.2"
       },
       "engines": {
@@ -1191,13 +1204,13 @@
       }
     },
     "node_modules/@typescript-eslint/scope-manager": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-5.12.1.tgz",
-      "integrity": "sha512-J0Wrh5xS6XNkd4TkOosxdpObzlYfXjAFIm9QxYLCPOcHVv1FyyFCPom66uIh8uBr0sZCrtS+n19tzufhwab8ZQ==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-5.13.0.tgz",
+      "integrity": "sha512-T4N8UvKYDSfVYdmJq7g2IPJYCRzwtp74KyDZytkR4OL3NRupvswvmJQJ4CX5tDSurW2cvCc1Ia1qM7d0jpa7IA==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/types": "5.12.1",
-        "@typescript-eslint/visitor-keys": "5.12.1"
+        "@typescript-eslint/types": "5.13.0",
+        "@typescript-eslint/visitor-keys": "5.13.0"
       },
       "engines": {
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
@@ -1208,12 +1221,12 @@
       }
     },
     "node_modules/@typescript-eslint/type-utils": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-5.12.1.tgz",
-      "integrity": "sha512-Gh8feEhsNLeCz6aYqynh61Vsdy+tiNNkQtc+bN3IvQvRqHkXGUhYkUi+ePKzP0Mb42se7FDb+y2SypTbpbR/Sg==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-5.13.0.tgz",
+      "integrity": "sha512-/nz7qFizaBM1SuqAKb7GLkcNn2buRdDgZraXlkhz+vUGiN1NZ9LzkA595tHHeduAiS2MsHqMNhE2zNzGdw43Yg==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/utils": "5.12.1",
+        "@typescript-eslint/utils": "5.13.0",
         "debug": "^4.3.2",
         "tsutils": "^3.21.0"
       },
@@ -1234,9 +1247,9 @@
       }
     },
     "node_modules/@typescript-eslint/types": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-5.12.1.tgz",
-      "integrity": "sha512-hfcbq4qVOHV1YRdhkDldhV9NpmmAu2vp6wuFODL71Y0Ixak+FLeEU4rnPxgmZMnGreGEghlEucs9UZn5KOfHJA==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-5.13.0.tgz",
+      "integrity": "sha512-LmE/KO6DUy0nFY/OoQU0XelnmDt+V8lPQhh8MOVa7Y5k2gGRd6U9Kp3wAjhB4OHg57tUO0nOnwYQhRRyEAyOyg==",
       "dev": true,
       "engines": {
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
@@ -1247,13 +1260,13 @@
       }
     },
     "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-5.12.1.tgz",
-      "integrity": "sha512-ahOdkIY9Mgbza7L9sIi205Pe1inCkZWAHE1TV1bpxlU4RZNPtXaDZfiiFWcL9jdxvW1hDYZJXrFm+vlMkXRbBw==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-5.13.0.tgz",
+      "integrity": "sha512-Q9cQow0DeLjnp5DuEDjLZ6JIkwGx3oYZe+BfcNuw/POhtpcxMTy18Icl6BJqTSd+3ftsrfuVb7mNHRZf7xiaNA==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/types": "5.12.1",
-        "@typescript-eslint/visitor-keys": "5.12.1",
+        "@typescript-eslint/types": "5.13.0",
+        "@typescript-eslint/visitor-keys": "5.13.0",
         "debug": "^4.3.2",
         "globby": "^11.0.4",
         "is-glob": "^4.0.3",
@@ -1274,15 +1287,15 @@
       }
     },
     "node_modules/@typescript-eslint/utils": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-5.12.1.tgz",
-      "integrity": "sha512-Qq9FIuU0EVEsi8fS6pG+uurbhNTtoYr4fq8tKjBupsK5Bgbk2I32UGm0Sh+WOyjOPgo/5URbxxSNV6HYsxV4MQ==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-5.13.0.tgz",
+      "integrity": "sha512-+9oHlPWYNl6AwwoEt5TQryEHwiKRVjz7Vk6kaBeD3/kwHE5YqTGHtm/JZY8Bo9ITOeKutFaXnBlMgSATMJALUQ==",
       "dev": true,
       "dependencies": {
         "@types/json-schema": "^7.0.9",
-        "@typescript-eslint/scope-manager": "5.12.1",
-        "@typescript-eslint/types": "5.12.1",
-        "@typescript-eslint/typescript-estree": "5.12.1",
+        "@typescript-eslint/scope-manager": "5.13.0",
+        "@typescript-eslint/types": "5.13.0",
+        "@typescript-eslint/typescript-estree": "5.13.0",
         "eslint-scope": "^5.1.1",
         "eslint-utils": "^3.0.0"
       },
@@ -1298,12 +1311,12 @@
       }
     },
     "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-5.12.1.tgz",
-      "integrity": "sha512-l1KSLfupuwrXx6wc0AuOmC7Ko5g14ZOQ86wJJqRbdLbXLK02pK/DPiDDqCc7BqqiiA04/eAA6ayL0bgOrAkH7A==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-5.13.0.tgz",
+      "integrity": "sha512-HLKEAS/qA1V7d9EzcpLFykTePmOQqOFim8oCvhY3pZgQ8Hi38hYpHd9e5GN6nQBFQNecNhws5wkS9Y5XIO0s/g==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/types": "5.12.1",
+        "@typescript-eslint/types": "5.13.0",
         "eslint-visitor-keys": "^3.0.0"
       },
       "engines": {
@@ -2269,6 +2282,14 @@
         "node": ">=10"
       }
     },
+    "node_modules/code-block-writer": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/code-block-writer/-/code-block-writer-11.0.0.tgz",
+      "integrity": "sha512-GEqWvEWWsOvER+g9keO4ohFoD3ymwyCnqY3hoTr7GZipYFwEhMHJw+TtV0rfgRhNImM6QWZGO2XYjlJVyYT62w==",
+      "dependencies": {
+        "tslib": "2.3.1"
+      }
+    },
     "node_modules/code-error-fragment": {
       "version": "0.0.230",
       "resolved": "https://registry.npmjs.org/code-error-fragment/-/code-error-fragment-0.0.230.tgz",
@@ -3525,9 +3546,9 @@
       }
     },
     "node_modules/eslint-plugin-unicorn": {
-      "version": "40.1.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-unicorn/-/eslint-plugin-unicorn-40.1.0.tgz",
-      "integrity": "sha512-y5doK2DF9Sr5AqKEHbHxjFllJ167nKDRU01HDcWyv4Tnmaoe9iNxMrBnaybZvWZUaE3OC5Unu0lNIevYamloig==",
+      "version": "41.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-unicorn/-/eslint-plugin-unicorn-41.0.0.tgz",
+      "integrity": "sha512-xoJCaRc1uy5REg9DkVga1BkZV57jJxoqOcrU28QHZB89Lk5LdSqdVyTIt9JQVfHNKaiyJ7X+3iLlIn+VEHWEzA==",
       "dev": true,
       "dependencies": {
         "@babel/helper-validator-identifier": "^7.15.7",
@@ -3552,7 +3573,7 @@
         "url": "https://github.com/sindresorhus/eslint-plugin-unicorn?sponsor=1"
       },
       "peerDependencies": {
-        "eslint": ">=7.32.0"
+        "eslint": ">=8.8.0"
       }
     },
     "node_modules/eslint-plugin-you-dont-need-lodash-underscore": {
@@ -7304,6 +7325,11 @@
         "which": "bin/which"
       }
     },
+    "node_modules/path-browserify": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-browserify/-/path-browserify-1.0.1.tgz",
+      "integrity": "sha512-b7uo2UCUOYZcnF/3ID0lulOJi/bafxa1xPe7ZPsammBSpjSWQkjNxlt635YGS2MiR9GjvuXCtz2emr3jbsz98g=="
+    },
     "node_modules/path-exists": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
@@ -9242,6 +9268,15 @@
       "integrity": "sha512-whw60l7r+8ZU8Tu/Uc2yxtc4ZTZbR/PF3u1IPNKGQ6p8EICLb3Z2lAgoqw9bqYd8IkgnsaOcLzYHFckjqNsf0g==",
       "dev": true
     },
+    "node_modules/ts-morph": {
+      "version": "13.0.3",
+      "resolved": "https://registry.npmjs.org/ts-morph/-/ts-morph-13.0.3.tgz",
+      "integrity": "sha512-pSOfUMx8Ld/WUreoSzvMFQG5i9uEiWIsBYjpU9+TTASOeUa89j5HykomeqVULm1oqWtBdleI3KEFRLrlA3zGIw==",
+      "dependencies": {
+        "@ts-morph/common": "~0.12.3",
+        "code-block-writer": "^11.0.0"
+      }
+    },
     "node_modules/ts-node": {
       "version": "10.5.0",
       "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.5.0.tgz",
@@ -9389,10 +9424,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.5.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
-      "dev": true,
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.2.tgz",
+      "integrity": "sha512-HM/hFigTBHZhLXshn9sN37H085+hQGeJHJ/X7LpBWLID/fbc2acUMfU+lGD98X81sKP+pFa9f0DZmCwB9GnbAg==",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -11038,6 +11072,7 @@
         "eslint": "^8.10.0",
         "fetch-har": "^6.1.0",
         "form-data-encoder": "^1.7.1",
+        "formdata-node": "^4.3.2",
         "get-stream": "^6.0.0",
         "isomorphic-fetch": "^3.0.0",
         "json-schema-traverse": "^1.0.0",
@@ -11047,7 +11082,7 @@
         "nyc": "^15.1.0",
         "oas": "^17.7.3",
         "prettier": "^2.5.1",
-        "typescript": "^4.5.5"
+        "typescript": "^4.6.2"
       }
     },
     "@readme/better-ajv-errors": {
@@ -11065,13 +11100,13 @@
       }
     },
     "@readme/eslint-config": {
-      "version": "8.4.2",
-      "resolved": "https://registry.npmjs.org/@readme/eslint-config/-/eslint-config-8.4.2.tgz",
-      "integrity": "sha512-o9p3aho6wV6/DMsZ1yBz0PAyhLLlIYa60kxNxl03puVSJGRrcx9+Zc3NPzkaZblLMGH3DI6MZFK5hTkWLtYbhw==",
+      "version": "8.4.4",
+      "resolved": "https://registry.npmjs.org/@readme/eslint-config/-/eslint-config-8.4.4.tgz",
+      "integrity": "sha512-WBdGwOzh3N1ez3tRjIJXiKOkjZeaHEzShlbT1UYJyCVd3AO+PXVXQg42zpkrQNy9rJad1mRXjA7/Hm6oa2RAkw==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/eslint-plugin": "^5.4.0",
-        "@typescript-eslint/parser": "^5.4.0",
+        "@typescript-eslint/eslint-plugin": "^5.13.0",
+        "@typescript-eslint/parser": "^5.13.0",
         "eslint-config-airbnb-base": "^15.0.0",
         "eslint-config-prettier": "^8.1.0",
         "eslint-import-resolver-typescript": "^2.4.0",
@@ -11090,7 +11125,7 @@
         "eslint-plugin-react": "^7.17.0",
         "eslint-plugin-react-hooks": "^4.2.0",
         "eslint-plugin-testing-library": "^5.0.0",
-        "eslint-plugin-unicorn": "^40.0.0",
+        "eslint-plugin-unicorn": "^41.0.0",
         "eslint-plugin-you-dont-need-lodash-underscore": "^6.12.0"
       }
     },
@@ -11148,6 +11183,17 @@
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       "dev": true
     },
+    "@ts-morph/common": {
+      "version": "0.12.3",
+      "resolved": "https://registry.npmjs.org/@ts-morph/common/-/common-0.12.3.tgz",
+      "integrity": "sha512-4tUmeLyXJnJWvTFOKtcNJ1yh0a3SsTLi2MUoyj8iUNznFRN1ZquaNe7Oukqrnki2FzZkm0J9adCNLDZxUzvj+w==",
+      "requires": {
+        "fast-glob": "^3.2.7",
+        "minimatch": "^3.0.4",
+        "mkdirp": "^1.0.4",
+        "path-browserify": "^1.0.1"
+      }
+    },
     "@tsconfig/node10": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.8.tgz",
@@ -11274,14 +11320,14 @@
       }
     },
     "@typescript-eslint/eslint-plugin": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.12.1.tgz",
-      "integrity": "sha512-M499lqa8rnNK7mUv74lSFFttuUsubIRdAbHcVaP93oFcKkEmHmLqy2n7jM9C8DVmFMYK61ExrZU6dLYhQZmUpw==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.13.0.tgz",
+      "integrity": "sha512-vLktb2Uec81fxm/cfz2Hd6QaWOs8qdmVAZXLdOBX6JFJDhf6oDZpMzZ4/LZ6SFM/5DgDcxIMIvy3F+O9yZBuiQ==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/scope-manager": "5.12.1",
-        "@typescript-eslint/type-utils": "5.12.1",
-        "@typescript-eslint/utils": "5.12.1",
+        "@typescript-eslint/scope-manager": "5.13.0",
+        "@typescript-eslint/type-utils": "5.13.0",
+        "@typescript-eslint/utils": "5.13.0",
         "debug": "^4.3.2",
         "functional-red-black-tree": "^1.0.1",
         "ignore": "^5.1.8",
@@ -11291,52 +11337,52 @@
       }
     },
     "@typescript-eslint/parser": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.12.1.tgz",
-      "integrity": "sha512-6LuVUbe7oSdHxUWoX/m40Ni8gsZMKCi31rlawBHt7VtW15iHzjbpj2WLiToG2758KjtCCiLRKZqfrOdl3cNKuw==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.13.0.tgz",
+      "integrity": "sha512-GdrU4GvBE29tm2RqWOM0P5QfCtgCyN4hXICj/X9ibKED16136l9ZpoJvCL5pSKtmJzA+NRDzQ312wWMejCVVfg==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/scope-manager": "5.12.1",
-        "@typescript-eslint/types": "5.12.1",
-        "@typescript-eslint/typescript-estree": "5.12.1",
+        "@typescript-eslint/scope-manager": "5.13.0",
+        "@typescript-eslint/types": "5.13.0",
+        "@typescript-eslint/typescript-estree": "5.13.0",
         "debug": "^4.3.2"
       }
     },
     "@typescript-eslint/scope-manager": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-5.12.1.tgz",
-      "integrity": "sha512-J0Wrh5xS6XNkd4TkOosxdpObzlYfXjAFIm9QxYLCPOcHVv1FyyFCPom66uIh8uBr0sZCrtS+n19tzufhwab8ZQ==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-5.13.0.tgz",
+      "integrity": "sha512-T4N8UvKYDSfVYdmJq7g2IPJYCRzwtp74KyDZytkR4OL3NRupvswvmJQJ4CX5tDSurW2cvCc1Ia1qM7d0jpa7IA==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/types": "5.12.1",
-        "@typescript-eslint/visitor-keys": "5.12.1"
+        "@typescript-eslint/types": "5.13.0",
+        "@typescript-eslint/visitor-keys": "5.13.0"
       }
     },
     "@typescript-eslint/type-utils": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-5.12.1.tgz",
-      "integrity": "sha512-Gh8feEhsNLeCz6aYqynh61Vsdy+tiNNkQtc+bN3IvQvRqHkXGUhYkUi+ePKzP0Mb42se7FDb+y2SypTbpbR/Sg==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-5.13.0.tgz",
+      "integrity": "sha512-/nz7qFizaBM1SuqAKb7GLkcNn2buRdDgZraXlkhz+vUGiN1NZ9LzkA595tHHeduAiS2MsHqMNhE2zNzGdw43Yg==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/utils": "5.12.1",
+        "@typescript-eslint/utils": "5.13.0",
         "debug": "^4.3.2",
         "tsutils": "^3.21.0"
       }
     },
     "@typescript-eslint/types": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-5.12.1.tgz",
-      "integrity": "sha512-hfcbq4qVOHV1YRdhkDldhV9NpmmAu2vp6wuFODL71Y0Ixak+FLeEU4rnPxgmZMnGreGEghlEucs9UZn5KOfHJA==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-5.13.0.tgz",
+      "integrity": "sha512-LmE/KO6DUy0nFY/OoQU0XelnmDt+V8lPQhh8MOVa7Y5k2gGRd6U9Kp3wAjhB4OHg57tUO0nOnwYQhRRyEAyOyg==",
       "dev": true
     },
     "@typescript-eslint/typescript-estree": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-5.12.1.tgz",
-      "integrity": "sha512-ahOdkIY9Mgbza7L9sIi205Pe1inCkZWAHE1TV1bpxlU4RZNPtXaDZfiiFWcL9jdxvW1hDYZJXrFm+vlMkXRbBw==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-5.13.0.tgz",
+      "integrity": "sha512-Q9cQow0DeLjnp5DuEDjLZ6JIkwGx3oYZe+BfcNuw/POhtpcxMTy18Icl6BJqTSd+3ftsrfuVb7mNHRZf7xiaNA==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/types": "5.12.1",
-        "@typescript-eslint/visitor-keys": "5.12.1",
+        "@typescript-eslint/types": "5.13.0",
+        "@typescript-eslint/visitor-keys": "5.13.0",
         "debug": "^4.3.2",
         "globby": "^11.0.4",
         "is-glob": "^4.0.3",
@@ -11345,26 +11391,26 @@
       }
     },
     "@typescript-eslint/utils": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-5.12.1.tgz",
-      "integrity": "sha512-Qq9FIuU0EVEsi8fS6pG+uurbhNTtoYr4fq8tKjBupsK5Bgbk2I32UGm0Sh+WOyjOPgo/5URbxxSNV6HYsxV4MQ==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-5.13.0.tgz",
+      "integrity": "sha512-+9oHlPWYNl6AwwoEt5TQryEHwiKRVjz7Vk6kaBeD3/kwHE5YqTGHtm/JZY8Bo9ITOeKutFaXnBlMgSATMJALUQ==",
       "dev": true,
       "requires": {
         "@types/json-schema": "^7.0.9",
-        "@typescript-eslint/scope-manager": "5.12.1",
-        "@typescript-eslint/types": "5.12.1",
-        "@typescript-eslint/typescript-estree": "5.12.1",
+        "@typescript-eslint/scope-manager": "5.13.0",
+        "@typescript-eslint/types": "5.13.0",
+        "@typescript-eslint/typescript-estree": "5.13.0",
         "eslint-scope": "^5.1.1",
         "eslint-utils": "^3.0.0"
       }
     },
     "@typescript-eslint/visitor-keys": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-5.12.1.tgz",
-      "integrity": "sha512-l1KSLfupuwrXx6wc0AuOmC7Ko5g14ZOQ86wJJqRbdLbXLK02pK/DPiDDqCc7BqqiiA04/eAA6ayL0bgOrAkH7A==",
+      "version": "5.13.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-5.13.0.tgz",
+      "integrity": "sha512-HLKEAS/qA1V7d9EzcpLFykTePmOQqOFim8oCvhY3pZgQ8Hi38hYpHd9e5GN6nQBFQNecNhws5wkS9Y5XIO0s/g==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/types": "5.12.1",
+        "@typescript-eslint/types": "5.13.0",
         "eslint-visitor-keys": "^3.0.0"
       }
     },
@@ -12086,6 +12132,14 @@
         "mkdirp-infer-owner": "^2.0.0"
       }
     },
+    "code-block-writer": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/code-block-writer/-/code-block-writer-11.0.0.tgz",
+      "integrity": "sha512-GEqWvEWWsOvER+g9keO4ohFoD3ymwyCnqY3hoTr7GZipYFwEhMHJw+TtV0rfgRhNImM6QWZGO2XYjlJVyYT62w==",
+      "requires": {
+        "tslib": "2.3.1"
+      }
+    },
     "code-error-fragment": {
       "version": "0.0.230",
       "resolved": "https://registry.npmjs.org/code-error-fragment/-/code-error-fragment-0.0.230.tgz",
@@ -13070,9 +13124,9 @@
       }
     },
     "eslint-plugin-unicorn": {
-      "version": "40.1.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-unicorn/-/eslint-plugin-unicorn-40.1.0.tgz",
-      "integrity": "sha512-y5doK2DF9Sr5AqKEHbHxjFllJ167nKDRU01HDcWyv4Tnmaoe9iNxMrBnaybZvWZUaE3OC5Unu0lNIevYamloig==",
+      "version": "41.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-unicorn/-/eslint-plugin-unicorn-41.0.0.tgz",
+      "integrity": "sha512-xoJCaRc1uy5REg9DkVga1BkZV57jJxoqOcrU28QHZB89Lk5LdSqdVyTIt9JQVfHNKaiyJ7X+3iLlIn+VEHWEzA==",
       "dev": true,
       "requires": {
         "@babel/helper-validator-identifier": "^7.15.7",
@@ -15908,6 +15962,11 @@
         }
       }
     },
+    "path-browserify": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-browserify/-/path-browserify-1.0.1.tgz",
+      "integrity": "sha512-b7uo2UCUOYZcnF/3ID0lulOJi/bafxa1xPe7ZPsammBSpjSWQkjNxlt635YGS2MiR9GjvuXCtz2emr3jbsz98g=="
+    },
     "path-exists": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
@@ -17365,6 +17424,15 @@
       "integrity": "sha512-whw60l7r+8ZU8Tu/Uc2yxtc4ZTZbR/PF3u1IPNKGQ6p8EICLb3Z2lAgoqw9bqYd8IkgnsaOcLzYHFckjqNsf0g==",
       "dev": true
     },
+    "ts-morph": {
+      "version": "13.0.3",
+      "resolved": "https://registry.npmjs.org/ts-morph/-/ts-morph-13.0.3.tgz",
+      "integrity": "sha512-pSOfUMx8Ld/WUreoSzvMFQG5i9uEiWIsBYjpU9+TTASOeUa89j5HykomeqVULm1oqWtBdleI3KEFRLrlA3zGIw==",
+      "requires": {
+        "@ts-morph/common": "~0.12.3",
+        "code-block-writer": "^11.0.0"
+      }
+    },
     "ts-node": {
       "version": "10.5.0",
       "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.5.0.tgz",
@@ -17471,10 +17539,9 @@
       }
     },
     "typescript": {
-      "version": "4.5.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
-      "dev": true
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.2.tgz",
+      "integrity": "sha512-HM/hFigTBHZhLXshn9sN37H085+hQGeJHJ/X7LpBWLID/fbc2acUMfU+lGD98X81sKP+pFa9f0DZmCwB9GnbAg=="
     },
     "unbox-primitive": {
       "version": "1.0.1",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 5b499c2c..04361695 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -42,11 +42,13 @@
     "fetch-har": "^6.1.0",
     "js-yaml": "^4.1.0",
     "json-schema-to-typescript": "^10.1.5",
-    "oas": "^17.7.3"
+    "oas": "^17.7.3",
+    "ts-morph": "^13.0.3",
+    "typescript": "^4.6.2"
   },
   "devDependencies": {
     "@oclif/test": "^2.1.0",
-    "@readme/eslint-config": "^8.4.1",
+    "@readme/eslint-config": "^8.4.4",
     "@readme/oas-examples": "^4.4.0",
     "@types/chai": "^4.3.0",
     "@types/js-yaml": "^4.0.5",
@@ -60,8 +62,7 @@
     "prettier": "^2.5.1",
     "shx": "^0.3.3",
     "ts-node": "^10.5.0",
-    "tslib": "^2.3.1",
-    "typescript": "^4.5.5"
+    "tslib": "^2.3.1"
   },
   "prettier": "@readme/eslint-config/prettier",
   "oclif": {
diff --git a/packages/cli/src/generator/typescript/index.ts b/packages/cli/src/generator/typescript/index.ts
new file mode 100644
index 00000000..5579340c
--- /dev/null
+++ b/packages/cli/src/generator/typescript/index.ts
@@ -0,0 +1,325 @@
+import type Oas from 'oas';
+import type { Operation } from 'oas';
+import type { JSONSchema, SchemaObject } from 'oas/@types/rmoas.types';
+// import type { SchemaWrapper } from 'oas/@types/operation/get-parameters-as-json-schema';
+
+import { IndentationText, Project, QuoteKind } from 'ts-morph';
+// import * as ts from 'typescript';
+import { compile } from 'json-schema-to-typescript';
+
+// //////////////////////////////////////////////////////////////////
+import { inspect } from 'util';
+
+declare global {
+  interface Console {
+    logx: any;
+  }
+}
+
+console.logx = (obj: any) => {
+  console.log(inspect(obj, false, null, true));
+};
+// //////////////////////////////////////////////////////////////////
+
+type ResponseJsonSchema = {
+  type: string | string[];
+  schema: SchemaObject;
+  label: string;
+  description?: string;
+};
+
+async function convertJSONSchemaToTypescript(schema: JSONSchema, name: string) {
+  // Though our JSON Schema type exposes JSONSchema4, which `json-schema-to-typescript`, it won't
+  // accept our custom type.
+  return compile(schema as any, name, {
+    bannerComment: '',
+  });
+
+  // Because the `name` that we're passing to `json-schema-to-typescript` gets run through some
+  // internal logic there and won't always be what we supply it we need to parse the TS that that
+  // library creates so we can grab the interface name for use in our own autogenerated code.
+  // const sourceFile = ts.createSourceFile(`${name}.d.ts`, interfaceCode, ts.ScriptTarget.Latest);
+
+  // let primaryTypeName;
+  // const typeNames: string[] = [];
+  // await ts.forEachChild(sourceFile, node => {
+  //   if (node.kind === ts.SyntaxKind.EndOfFileToken) {
+  //     return;
+  //   }
+
+  //   if (ts.isInterfaceDeclaration(node)) {
+  //     // The Node `name` property, an `IdentifierObject`, is not formally exposed in the TS types
+  //     // and there aren't any accessors for this either.
+  //     typeNames.push(node.name.text);
+  //   } else if (ts.isTypeAliasDeclaration(node)) {
+  //     typeNames.push(node.name.text);
+  //   }
+  // });
+
+  // return {
+  //   primaryTypeName,
+  //   typeNames,
+  //   type: interfaceCode,
+  // };
+}
+
+async function loadOperationsAndMethods(project: Project, spec: Oas) {
+  const operations: Record<
+    /* operationId */ string,
+    { types: { params: any; responses?: any }; operation: Operation }
+  > = {};
+
+  const methods: Record<
+    /* method */ string,
+    Record</* path */ string, { types: { params: any; responses?: any }; operation: Operation }>
+  > = {};
+
+  await Promise.all(
+    Object.entries(spec.getPaths()).map(async ([path, ops]) => {
+      await Promise.all(
+        Object.entries(ops).map(async ([method, operation]) => {
+          if (!(method in methods)) {
+            methods[method] = {};
+          }
+
+          const operationId = operation.getOperationId();
+
+          let params;
+          const paramSchemas = operation.getParametersAsJsonSchema({
+            // mergeIntoBodyAndMetadata: true,
+            // retainDeprecatedProperties: true,
+          });
+
+          if (paramSchemas) {
+            params = await Promise.resolve(paramSchemas.map(param => ({ [param.type]: param.schema })))
+              .then(res => res.reduce((prev, next) => Object.assign(prev, next)))
+              .then(res => {
+                return Promise.all(
+                  Object.entries(res).map(async ([paramType, schema]) => {
+                    // @todo add tests for when schema is `{ type: string }`
+                    const ts = await convertJSONSchemaToTypescript(
+                      schema as JSONSchema,
+                      `${operationId}_${paramType}_param`
+                    );
+
+                    const types = await getTypesFromTypescript(project, ts);
+
+                    return {
+                      [paramType]: {
+                        schema,
+                        ts,
+                      },
+                    };
+                  })
+                );
+              })
+              .then(res => res.reduce((prev, next) => Object.assign(prev, next), {}));
+          }
+
+          // @todo what does this do for a spec that has no responses?
+          const responses = await Promise.resolve(
+            operation
+              .getResponseStatusCodes()
+              .map(status => {
+                const schema = operation.getResponseAsJsonSchema(status);
+                if (!schema) {
+                  return false;
+                }
+
+                return {
+                  [status]: schema.shift() as ResponseJsonSchema,
+                };
+              })
+              .reduce((prev, next) => Object.assign(prev, next))
+          ).then(res => {
+            return Promise.all(
+              Object.entries(res as Record<string, ResponseJsonSchema>).map(async ([status, jsonSchema]) => {
+                return {
+                  [status]: await convertJSONSchemaToTypescript(
+                    jsonSchema.schema as JSONSchema,
+                    `${operationId}_Response_${status}`
+                  ),
+                };
+              })
+            );
+          });
+
+          methods[method][path] = { types: { params, responses }, operation };
+          if (operation.hasOperationId()) {
+            operations[operation.getOperationId()] = {
+              types: { params, responses },
+              operation,
+            };
+          }
+        })
+      );
+    })
+  );
+
+  return [operations, methods];
+}
+
+export async function getTypesFromTypescript(project: Project, ts: string) {
+  const inf = project.createSourceFile('src/api/type.tmp.ts', ts);
+  const types = Array.from(inf.getExportedDeclarations().keys());
+
+  project.removeSourceFile(inf);
+
+  return types;
+}
+
+export default async function generator(spec: Oas) {
+  // @todo fill this user agent in with something contextual.
+  const userAgent = 'api/1.0.0';
+
+  const project = new Project({
+    manipulationSettings: {
+      indentationText: IndentationText.TwoSpaces,
+      quoteKind: QuoteKind.Single,
+    },
+    compilerOptions: {
+      // target: ScriptTarget.ES3,
+      outDir: 'dist',
+    },
+  });
+
+  const [operations, methods, types] = await loadOperationsAndMethods(project, spec);
+
+  // project.addSourceFilesAtPaths("src/**/*.ts");
+  const sdkSource = project.createSourceFile('src/api/index.ts', 'export default class SDK {}');
+  // const myEnumFile = project.createSourceFile("src/api/MyEnum.ts", {
+  //     statements: [{
+  //         kind: StructureKind.Enum,
+  //         name: "MyEnum",
+  //         isExported: true,
+  //         members: [{ name: "member" }],
+  //     }],
+  // });
+
+  // get information
+  // sdk.getName();          // returns: "MyClass"
+  // sdk.hasExportKeyword(); // returns: true
+  // sdk.isDefaultExport();  // returns: false
+
+  // manipulate
+  // const myInterface = sdkSource.addInterface({
+  //   name: 'IMyInterface',
+  //   isExported: true,
+  //   properties: [
+  //     {
+  //       name: 'myProp',
+  //       type: 'object',
+  //     }
+  //   ],
+  // });
+
+  sdkSource.addImportDeclarations([
+    { defaultImport: 'Oas', moduleSpecifier: 'oas' },
+    { defaultImport: 'APICore', moduleSpecifier: '@readme/api-core' },
+    {
+      defaultImport: 'definition',
+      moduleSpecifier: '../fixtures/simple.oas.json', // './openapi.json',
+    },
+  ]);
+
+  const sdk = sdkSource.getClassOrThrow('SDK');
+  sdk.addProperty({ name: 'spec', type: 'Oas' });
+  sdk.addProperty({ name: 'core', type: 'APICore' });
+  sdk.addProperty({ name: 'authKeys', type: '(number | string)[][]', initializer: '[]' });
+
+  sdk.addConstructor({
+    statements: ['this.spec = Oas.init(definition);', `this.core = new APICore(this.spec, '${userAgent}');`],
+  });
+
+  Object.entries(operations).forEach(([operationId, data]) => {
+
+    console.logx(data.types)
+    return;
+
+    const operation: Operation = data.operation;
+    const fetchArgs = [`'${operation.path}'`, `'${operation.method}'`];
+    const parameters = [];
+    if (data.types.params) {
+      if (data.types.params.body || data.types.params.formData) {
+        // @todo change this to just look for `body` when https://github.com/readmeio/oas/pull/617 is merged.
+        parameters.push({ name: 'body', type: data.types.params.body.ts.typeName });
+        fetchArgs.push('body');
+        sdkSource.addStatements(data.types.params.body.ts.type);
+      }
+
+      if (
+        data.types.params.path ||
+        data.types.params.query ||
+        data.types.params.cookie ||
+        data.types.params.header ||
+        data.types.params.query
+      ) {
+        // @todo change this to just look for `metadata` when https://github.com/readmeio/oas/pull/617 is merged.
+        parameters.push({ name: 'metadata', type: data.types.params.query.ts.typeName });
+        fetchArgs.push('metadata');
+        sdkSource.addStatements(data.types.params.query.ts.type);
+      }
+    }
+
+    const method = sdk.addMethod({
+      name: operationId,
+      // returnType: "string",
+      parameters,
+      statements: `return this.core.fetch(${fetchArgs.join(', ')});`,
+    });
+
+    const summary = operation.getSummary();
+    const description = operation.getDescription();
+    if (summary || description) {
+      method.addJsDoc(
+        [
+          summary ? `${summary.replace(/\n/g, '\n * ')}` : '',
+          description ? `${description.replace(/\n/g, '\n * ')}` : '',
+        ]
+          .filter(Boolean)
+          .join('\n\n')
+      );
+    }
+
+    // Add the required types we need for this operation.
+    console.logx(data.types);
+    console.log('------------------')
+  });
+
+  // .addJsDoc('this is a constructor');
+
+  // const result = project.emitToMemory();
+  console.log(project.getSourceFiles()[0].getFullText())
+  // console.log({ methods })
+  // console.log(operations)
+
+
+
+//   private authKeys: (number | string)[][] = [];
+
+//   private userAgent = 'autogenSDK/1.0.0';
+
+//   constructor() {
+//     this.spec = Oas.init(defintion);
+
+//     // this.spec.api.servers[0].url = '{scheme}://httpbin.org/anything/testing';
+//   } */
+
+  // const ast = new ApiGenerator(spec.api as OpenAPIV3.Document).generateApi();
+  // const src = cg.printFile(ast);
+
+  // console.log(src)
+
+
+
+
+  // Object.entries(operations).forEach(([op, data]) => {
+  //   console.log(op)
+  //   console.log(data)
+  // });
+
+  // console.log(operations)
+
+
+  // return operations;
+}
diff --git a/packages/cli/test/fixtures/simple.oas.json b/packages/cli/test/fixtures/simple.oas.json
new file mode 100644
index 00000000..6fc36bec
--- /dev/null
+++ b/packages/cli/test/fixtures/simple.oas.json
@@ -0,0 +1,287 @@
+{
+  "openapi": "3.0.0",
+  "info": {
+    "version": "1.0.0",
+    "title": "Swagger Petstore"
+  },
+  "servers": [
+    {
+      "url": "http://petstore.swagger.io/v2"
+    }
+  ],
+  "paths": {
+    "/pet/findByStatus": {
+      "get": {
+        "tags": ["pet"],
+        "summary": "Finds Pets by status",
+        "description": "Multiple status values can be provided with comma separated strings",
+        "operationId": "findPetsByStatus",
+        "parameters": [
+          {
+            "name": "status",
+            "in": "query",
+            "description": "Status values that need to be considered for filter",
+            "required": true,
+            "explode": true,
+            "schema": {
+              "type": "array",
+              "items": {
+                "type": "string",
+                "enum": ["available", "pending", "sold"],
+                "default": "available"
+              }
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "successful operation",
+            "content": {
+              "application/xml": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/Pet"
+                  }
+                }
+              },
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/Pet"
+                  }
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "Invalid status value"
+          }
+        },
+        "security": [
+          {
+            "petstore_auth": ["write:pets", "read:pets"]
+          }
+        ]
+      }
+    }
+  },
+  "components": {
+    "requestBodies": {
+      "Pet": {
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/Pet"
+            }
+          },
+          "application/xml": {
+            "schema": {
+              "$ref": "#/components/schemas/Pet"
+            }
+          }
+        },
+        "description": "Pet object that needs to be added to the store",
+        "required": true
+      },
+      "UserArray": {
+        "content": {
+          "application/json": {
+            "schema": {
+              "type": "array",
+              "items": {
+                "$ref": "#/components/schemas/User"
+              }
+            }
+          }
+        },
+        "description": "List of user object",
+        "required": true
+      }
+    },
+    "securitySchemes": {
+      "petstore_auth": {
+        "type": "oauth2",
+        "flows": {
+          "implicit": {
+            "authorizationUrl": "http://petstore.swagger.io/oauth/dialog",
+            "scopes": {
+              "write:pets": "modify pets in your account",
+              "read:pets": "read your pets"
+            }
+          }
+        }
+      },
+      "api_key": {
+        "type": "apiKey",
+        "name": "api_key",
+        "in": "header"
+      }
+    },
+    "schemas": {
+      "Order": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "integer",
+            "format": "int64"
+          },
+          "petId": {
+            "type": "integer",
+            "format": "int64"
+          },
+          "quantity": {
+            "type": "integer",
+            "format": "int32"
+          },
+          "shipDate": {
+            "type": "string",
+            "format": "date-time"
+          },
+          "status": {
+            "type": "string",
+            "description": "Order Status",
+            "enum": ["placed", "approved", "delivered"]
+          },
+          "complete": {
+            "type": "boolean",
+            "default": false
+          }
+        },
+        "xml": {
+          "name": "Order"
+        }
+      },
+      "Category": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "integer",
+            "format": "int64"
+          },
+          "name": {
+            "type": "string"
+          }
+        },
+        "xml": {
+          "name": "Category"
+        }
+      },
+      "User": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "integer",
+            "format": "int64"
+          },
+          "username": {
+            "type": "string"
+          },
+          "firstName": {
+            "type": "string"
+          },
+          "lastName": {
+            "type": "string"
+          },
+          "email": {
+            "type": "string"
+          },
+          "password": {
+            "type": "string"
+          },
+          "phone": {
+            "type": "string"
+          },
+          "userStatus": {
+            "type": "integer",
+            "format": "int32",
+            "description": "User Status"
+          }
+        },
+        "xml": {
+          "name": "User"
+        }
+      },
+      "Tag": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "integer",
+            "format": "int64"
+          },
+          "name": {
+            "type": "string"
+          }
+        },
+        "xml": {
+          "name": "Tag"
+        }
+      },
+      "Pet": {
+        "type": "object",
+        "required": ["name", "photoUrls"],
+        "properties": {
+          "id": {
+            "type": "integer",
+            "format": "int64",
+            "readOnly": true,
+            "default": 40,
+            "example": 25
+          },
+          "category": {
+            "$ref": "#/components/schemas/Category"
+          },
+          "name": {
+            "type": "string",
+            "example": "doggie"
+          },
+          "photoUrls": {
+            "type": "array",
+            "xml": {
+              "name": "photoUrl",
+              "wrapped": true
+            },
+            "items": {
+              "type": "string",
+              "example": "https://example.com/photo.png"
+            }
+          },
+          "tags": {
+            "type": "array",
+            "xml": {
+              "name": "tag",
+              "wrapped": true
+            },
+            "items": {
+              "$ref": "#/components/schemas/Tag"
+            }
+          },
+          "status": {
+            "type": "string",
+            "description": "pet status in the store",
+            "enum": ["available", "pending", "sold"]
+          }
+        },
+        "xml": {
+          "name": "Pet"
+        }
+      },
+      "ApiResponse": {
+        "type": "object",
+        "properties": {
+          "code": {
+            "type": "integer",
+            "format": "int32"
+          },
+          "type": {
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/packages/cli/test/generator/typescript.test.ts b/packages/cli/test/generator/typescript.test.ts
new file mode 100644
index 00000000..2e2a9499
--- /dev/null
+++ b/packages/cli/test/generator/typescript.test.ts
@@ -0,0 +1,38 @@
+import Oas from 'oas';
+import typescriptGenerator from '../../src/generator/typescript';
+
+// import uspto from '@readme/oas-examples/3.0/json/uspto.json';
+
+// ////////////////////////////////////////////////////////
+import { inspect } from 'util';
+
+declare global {
+  interface Console {
+    logx: any;
+  }
+}
+
+console.logx = (obj: any) => {
+  console.log(inspect(obj, false, null, true));
+};
+// ////////////////////////////////////////////////////////
+
+describe('typescript generator', function () {
+  let petstore: Oas;
+
+  beforeEach(async function () {
+    petstore = await import('../fixtures/simple.oas.json').then(Oas.init);
+    await petstore.dereference({ preserveRefAsJSONSchemaTitle: true });
+  });
+
+  it('should generate typescript code', async function () {
+    await typescriptGenerator(petstore);
+    // const gen = await typescriptGenerator(petstore);
+    // console.log(gen)
+
+    // console.log(ast);
+
+
+    // console.log(petstore)
+  });
+});
diff --git a/packages/cli/test/tsconfig.json b/packages/cli/test/tsconfig.json
index 95898fce..a0f0f689 100644
--- a/packages/cli/test/tsconfig.json
+++ b/packages/cli/test/tsconfig.json
@@ -1,7 +1,8 @@
 {
   "extends": "../tsconfig",
   "compilerOptions": {
-    "noEmit": true
+    "noEmit": true,
+    "resolveJsonModule": true
   },
   "references": [
     {"path": ".."}
diff --git a/packages/cli/tsconfig.json b/packages/cli/tsconfig.json
index 34727dbc..e98929e4 100644
--- a/packages/cli/tsconfig.json
+++ b/packages/cli/tsconfig.json
@@ -1,6 +1,7 @@
 {
   "compilerOptions": {
     "declaration": true,
+    "esModuleInterop": true, // We need this to to be able to load `typescript` in the TS generator.
     "importHelpers": true,
     "module": "commonjs",
     "outDir": "dist",
diff --git a/packages/core/package-lock.json b/packages/core/package-lock.json
index 4dfc093c..3c8b809a 100644
--- a/packages/core/package-lock.json
+++ b/packages/core/package-lock.json
@@ -13,6 +13,7 @@
         "datauri": "^4.1.0",
         "fetch-har": "^6.1.0",
         "form-data-encoder": "^1.7.1",
+        "formdata-node": "^4.3.2",
         "get-stream": "^6.0.0",
         "isomorphic-fetch": "^3.0.0",
         "json-schema-traverse": "^1.0.0",
@@ -31,7 +32,7 @@
         "nock": "^13.2.4",
         "nyc": "^15.1.0",
         "prettier": "^2.5.1",
-        "typescript": "^4.5.5"
+        "typescript": "^4.6.2"
       },
       "engines": {
         "node": "^14 || ^16"
@@ -3276,7 +3277,6 @@
       "version": "4.3.2",
       "resolved": "https://registry.npmjs.org/formdata-node/-/formdata-node-4.3.2.tgz",
       "integrity": "sha512-k7lYJyzDOSL6h917favP8j1L0/wNyylzU+x+1w4p5haGVHNlP58dbpdJhiCUsDbWsa9HwEtLp89obQgXl2e0qg==",
-      "optional": true,
       "dependencies": {
         "node-domexception": "1.0.0",
         "web-streams-polyfill": "4.0.0-beta.1"
@@ -4837,7 +4837,6 @@
           "url": "https://paypal.me/jimmywarting"
         }
       ],
-      "optional": true,
       "engines": {
         "node": ">=10.5.0"
       }
@@ -6851,9 +6850,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.5.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.2.tgz",
+      "integrity": "sha512-HM/hFigTBHZhLXshn9sN37H085+hQGeJHJ/X7LpBWLID/fbc2acUMfU+lGD98X81sKP+pFa9f0DZmCwB9GnbAg==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -6968,7 +6967,6 @@
       "version": "4.0.0-beta.1",
       "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-4.0.0-beta.1.tgz",
       "integrity": "sha512-3ux37gEX670UUphBF9AMCq8XM6iQ8Ac6A+DSRRjDoRBm1ufCkaCDdNVbaqq60PsEkdNlLKrGtv/YBP4EJXqNtQ==",
-      "optional": true,
       "engines": {
         "node": ">= 12"
       }
@@ -9574,7 +9572,6 @@
       "version": "4.3.2",
       "resolved": "https://registry.npmjs.org/formdata-node/-/formdata-node-4.3.2.tgz",
       "integrity": "sha512-k7lYJyzDOSL6h917favP8j1L0/wNyylzU+x+1w4p5haGVHNlP58dbpdJhiCUsDbWsa9HwEtLp89obQgXl2e0qg==",
-      "optional": true,
       "requires": {
         "node-domexception": "1.0.0",
         "web-streams-polyfill": "4.0.0-beta.1"
@@ -10680,8 +10677,7 @@
     "node-domexception": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
-      "integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==",
-      "optional": true
+      "integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ=="
     },
     "node-fetch": {
       "version": "2.6.7",
@@ -12205,9 +12201,9 @@
       }
     },
     "typescript": {
-      "version": "4.5.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.6.2.tgz",
+      "integrity": "sha512-HM/hFigTBHZhLXshn9sN37H085+hQGeJHJ/X7LpBWLID/fbc2acUMfU+lGD98X81sKP+pFa9f0DZmCwB9GnbAg==",
       "dev": true
     },
     "unbox-primitive": {
@@ -12304,8 +12300,7 @@
     "web-streams-polyfill": {
       "version": "4.0.0-beta.1",
       "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-4.0.0-beta.1.tgz",
-      "integrity": "sha512-3ux37gEX670UUphBF9AMCq8XM6iQ8Ac6A+DSRRjDoRBm1ufCkaCDdNVbaqq60PsEkdNlLKrGtv/YBP4EJXqNtQ==",
-      "optional": true
+      "integrity": "sha512-3ux37gEX670UUphBF9AMCq8XM6iQ8Ac6A+DSRRjDoRBm1ufCkaCDdNVbaqq60PsEkdNlLKrGtv/YBP4EJXqNtQ=="
     },
     "whatwg-fetch": {
       "version": "3.6.2",
diff --git a/packages/core/package.json b/packages/core/package.json
index 85e5ef01..fc4fd8d8 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -31,6 +31,7 @@
     "datauri": "^4.1.0",
     "fetch-har": "^6.1.0",
     "form-data-encoder": "^1.7.1",
+    "formdata-node": "^4.3.2",
     "get-stream": "^6.0.0",
     "isomorphic-fetch": "^3.0.0",
     "json-schema-traverse": "^1.0.0",
@@ -49,7 +50,7 @@
     "nock": "^13.2.4",
     "nyc": "^15.1.0",
     "prettier": "^2.5.1",
-    "typescript": "^4.5.5"
+    "typescript": "^4.6.2"
   },
   "prettier": "@readme/eslint-config/prettier",
   "nyc": {