diff --git a/.eslintignore b/.eslintignore
new file mode 100644
index 0000000..4b9c305
--- /dev/null
+++ b/.eslintignore
@@ -0,0 +1,3 @@
+node_modules/*
+test/project/node_modules
+build
diff --git a/.eslintrc.yml b/.eslintrc.yml
new file mode 100644
index 0000000..0895cdf
--- /dev/null
+++ b/.eslintrc.yml
@@ -0,0 +1,21 @@
+env:
+  node: true
+parser: "@typescript-eslint/parser"
+extends:
+  - "plugin:@typescript-eslint/recommended"
+  - "prettier/@typescript-eslint"
+  - "plugin:prettier/recommended"
+parserOptions:
+  ecmaVersion: 2018
+  sourceType: module
+  project: tsconfig.json
+rules:
+  "@typescript-eslint/array-type": [error, generic]
+  "@typescript-eslint/interface-name-prefix": [error, never]
+  "@typescript-eslint/promise-function-async": warning
+  "@typescript-eslint/explicit-function-return-type": false
+overrides:
+  - files: ["src/**/*.test.ts"]
+    env:
+      node: true
+      jest: true
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 97bef4c..6887c63 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,3 +1,14 @@
 {
-  "typescript.tsdk": "./node_modules/typescript/lib"
+  "typescript.tsdk": "./node_modules/typescript/lib",
+  "editor.formatOnSave": true,
+  "eslint.autoFixOnSave": true,
+  "prettier.eslintIntegration": true,
+  "eslint.enable": true,
+  "eslint.validate": [
+    "javascript",
+    {
+      "language": "typescript",
+      "autoFix": true
+    }
+  ]
 }
diff --git a/package-lock.json b/package-lock.json
index 2ebbf46..abd52db 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@conqa/serverless-openapi-documentation",
-  "version": "1.0.4",
+  "version": "1.1.0-alpha",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -544,6 +544,60 @@
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       "dev": true
     },
+    "@typescript-eslint/eslint-plugin": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-1.7.0.tgz",
+      "integrity": "sha512-NUSz1aTlIzzTjFFVFyzrbo8oFjHg3K/M9MzYByqbMCxeFdErhLAcGITVfXzSz+Yvp5OOpMu3HkIttB0NyKl54Q==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/parser": "1.7.0",
+        "@typescript-eslint/typescript-estree": "1.7.0",
+        "eslint-utils": "1.3.1",
+        "regexpp": "2.0.1",
+        "requireindex": "1.2.0",
+        "tsutils": "3.10.0"
+      },
+      "dependencies": {
+        "tsutils": {
+          "version": "3.10.0",
+          "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-3.10.0.tgz",
+          "integrity": "sha512-q20XSMq7jutbGB8luhKKsQldRKWvyBO2BGqni3p4yq8Ys9bEP/xQw3KepKmMRt9gJ4lvQSScrihJrcKdKoSU7Q==",
+          "dev": true,
+          "requires": {
+            "tslib": "1.9.3"
+          }
+        }
+      }
+    },
+    "@typescript-eslint/parser": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-1.7.0.tgz",
+      "integrity": "sha512-1QFKxs2V940372srm12ovSE683afqc1jB6zF/f8iKhgLz1yoSjYeGHipasao33VXKI+0a/ob9okeogGdKGvvlg==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/typescript-estree": "1.7.0",
+        "eslint-scope": "4.0.3",
+        "eslint-visitor-keys": "1.0.0"
+      }
+    },
+    "@typescript-eslint/typescript-estree": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-1.7.0.tgz",
+      "integrity": "sha512-K5uedUxVmlYrVkFbyV3htDipvLqTE3QMOUQEHYJaKtgzxj6r7c5Ca/DG1tGgFxX+fsbi9nDIrf4arq7Ib7H/Yw==",
+      "dev": true,
+      "requires": {
+        "lodash.unescape": "4.0.1",
+        "semver": "5.5.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
+          "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA==",
+          "dev": true
+        }
+      }
+    },
     "abab": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.0.tgz",
@@ -574,6 +628,12 @@
         }
       }
     },
+    "acorn-jsx": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.1.tgz",
+      "integrity": "sha512-HJ7CfNHrfJLlNTzIEUTj43LNWGkqpRLxm3YjAlcD0ACydk9XynzYsCBHxut+iqt+1aBXkx9UP/w/ZqMr13XIzg==",
+      "dev": true
+    },
     "acorn-walk": {
       "version": "6.1.1",
       "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.1.1.tgz",
@@ -1186,12 +1246,6 @@
       "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
       "dev": true
     },
-    "builtin-modules": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
-      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
-      "dev": true
-    },
     "cache-base": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
@@ -1295,6 +1349,12 @@
         "upath": "1.1.2"
       }
     },
+    "chardet": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+      "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
+      "dev": true
+    },
     "ci-info": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-2.0.0.tgz",
@@ -1858,30 +1918,6 @@
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       "dev": true
     },
-    "doctrine": {
-      "version": "0.7.2",
-      "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-0.7.2.tgz",
-      "integrity": "sha1-fLhgNZujvpDgQLJrcpzkv6ZUxSM=",
-      "dev": true,
-      "requires": {
-        "esutils": "1.1.6",
-        "isarray": "0.0.1"
-      },
-      "dependencies": {
-        "esutils": {
-          "version": "1.1.6",
-          "resolved": "https://registry.npmjs.org/esutils/-/esutils-1.1.6.tgz",
-          "integrity": "sha1-wBzKqa5LiXxtDD4hCuUvPHqEQ3U=",
-          "dev": true
-        },
-        "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
-        }
-      }
-    },
     "domexception": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/domexception/-/domexception-1.0.1.tgz",
@@ -1939,6 +1975,12 @@
         "safer-buffer": "2.1.2"
       }
     },
+    "emoji-regex": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+      "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+      "dev": true
+    },
     "encoding": {
       "version": "0.1.12",
       "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
@@ -2039,11 +2081,304 @@
         }
       }
     },
+    "eslint": {
+      "version": "5.16.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-5.16.0.tgz",
+      "integrity": "sha512-S3Rz11i7c8AA5JPv7xAH+dOyq/Cu/VXHiHXBPOU1k/JAM5dXqQPt3qcrhpHSorXmrpu2g0gkIBVXAqCpzfoZIg==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "7.0.0",
+        "ajv": "6.10.0",
+        "chalk": "2.4.2",
+        "cross-spawn": "6.0.5",
+        "debug": "4.1.1",
+        "doctrine": "3.0.0",
+        "eslint-scope": "4.0.3",
+        "eslint-utils": "1.3.1",
+        "eslint-visitor-keys": "1.0.0",
+        "espree": "5.0.1",
+        "esquery": "1.0.1",
+        "esutils": "2.0.2",
+        "file-entry-cache": "5.0.1",
+        "functional-red-black-tree": "1.0.1",
+        "glob": "7.1.3",
+        "globals": "11.12.0",
+        "ignore": "4.0.6",
+        "import-fresh": "3.0.0",
+        "imurmurhash": "0.1.4",
+        "inquirer": "6.3.1",
+        "js-yaml": "3.13.1",
+        "json-stable-stringify-without-jsonify": "1.0.1",
+        "levn": "0.3.0",
+        "lodash": "4.17.11",
+        "minimatch": "3.0.4",
+        "mkdirp": "0.5.1",
+        "natural-compare": "1.4.0",
+        "optionator": "0.8.2",
+        "path-is-inside": "1.0.2",
+        "progress": "2.0.3",
+        "regexpp": "2.0.1",
+        "semver": "5.7.0",
+        "strip-ansi": "4.0.0",
+        "strip-json-comments": "2.0.1",
+        "table": "5.2.3",
+        "text-table": "0.2.0"
+      },
+      "dependencies": {
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+          "version": "6.10.0",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
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+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "2.0.1",
+            "fast-json-stable-stringify": "2.0.0",
+            "json-schema-traverse": "0.4.1",
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+          }
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+          "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
+          "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
+          "dev": true,
+          "requires": {
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+          }
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+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
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+            "path-key": "2.0.1",
+            "semver": "5.7.0",
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-      "dev": true,
-      "requires": {
-        "tslint-config-standard": "8.0.1",
-        "tslint-eslint-rules": "5.4.0"
-      }
-    },
-    "tslint-eslint-rules": {
-      "version": "5.4.0",
-      "resolved": "https://registry.npmjs.org/tslint-eslint-rules/-/tslint-eslint-rules-5.4.0.tgz",
-      "integrity": "sha512-WlSXE+J2vY/VPgIcqQuijMQiel+UtmXS+4nvK4ZzlDiqBfXse8FAvkNnTcYhnQyOTW5KFM+uRRGXxYhFpuBc6w==",
-      "dev": true,
-      "requires": {
-        "doctrine": "0.7.2",
-        "tslib": "1.9.0",
-        "tsutils": "3.10.0"
-      },
-      "dependencies": {
-        "tslib": {
-          "version": "1.9.0",
-          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.0.tgz",
-          "integrity": "sha512-f/qGG2tUkrISBlQZEjEqoZ3B2+npJjIf04H1wuAv9iA8i04Icp+61KRXxFdha22670NJopsZCIjhC3SnjPRKrQ==",
-          "dev": true
-        },
-        "tsutils": {
-          "version": "3.10.0",
-          "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-3.10.0.tgz",
-          "integrity": "sha512-q20XSMq7jutbGB8luhKKsQldRKWvyBO2BGqni3p4yq8Ys9bEP/xQw3KepKmMRt9gJ4lvQSScrihJrcKdKoSU7Q==",
-          "dev": true,
-          "requires": {
-            "tslib": "1.9.0"
-          }
-        }
-      }
-    },
-    "tsutils": {
-      "version": "2.29.0",
-      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-2.29.0.tgz",
-      "integrity": "sha512-g5JVHCIJwzfISaXpXE1qvNalca5Jwob6FjI4AoPlqMusJ6ftFE7IkkFoMhVLRgK+4Kx3gkzb8UZK5t5yTTvEmA==",
-      "dev": true,
-      "requires": {
-        "tslib": "1.9.3"
-      }
-    },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -7864,6 +8328,15 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "write": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz",
+      "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==",
+      "dev": true,
+      "requires": {
+        "mkdirp": "0.5.1"
+      }
+    },
     "write-file-atomic": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.1.tgz",
diff --git a/package.json b/package.json
index 7991e6f..f5cd931 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,8 @@
     "test": "jest -c ./jest.config.js",
     "test:build": "jest -c '{ \"testRegex\": \".spec.js$\"}' build",
     "test:coverage": "jest -c ./jest.config.js --coverage",
-    "lint": "tslint --format stylish -p tsconfig.json --type-check -c tslint.json",
+    "lint": "eslint --ext .ts,.tsx .",
+    "lint:fix": "npm run lint -- --fix",
     "preversion": "npm run lint && npm run build && npm run test:build && changelog-verify CHANGELOG.md",
     "version": "version-changelog CHANGELOG.md && changelog-verify CHANGELOG.md && git add CHANGELOG.md",
     "release": "cd build && npm publish",
@@ -48,14 +49,18 @@
     "@types/node": "^8.10.48",
     "@types/serverless": "^1.18.2",
     "@types/uuid": "^3.4.4",
+    "@typescript-eslint/eslint-plugin": "^1.7.0",
+    "@typescript-eslint/parser": "^1.7.0",
     "changelog-verify": "^1.0.4",
+    "eslint": "^5.16.0",
+    "eslint-config-prettier": "^4.2.0",
+    "eslint-plugin-prettier": "^3.0.1",
     "jest": "^24.8.0",
+    "openapi-types": "^1.3.4",
+    "prettier": "^1.17.0",
     "serverless": "^1.41.1",
     "ts-jest": "^24.0.2",
-    "openapi-types": "^1.3.4",
     "ts-node": "^3.1.0",
-    "tslint": "^5.4.3",
-    "tslint-config-temando": "^1.1.4",
     "typescript": "^3.4.5",
     "version-changelog": "^2.1.0"
   },
diff --git a/src/DefinitionGenerator.ts b/src/DefinitionGenerator.ts
index 342bbc9..5f95147 100644
--- a/src/DefinitionGenerator.ts
+++ b/src/DefinitionGenerator.ts
@@ -1,40 +1,46 @@
-import _ = require('lodash');
+import _ = require("lodash");
 // tslint:disable-next-line no-submodule-imports
-import { validateSync as openApiValidatorSync } from 'swagger2openapi/validate';
-import * as uuid from 'uuid';
-
-import { parseModels } from './parse';
-import { IDefinition, IDefinitionConfig, IOperation, IParameterConfig, IServerlessFunctionConfig } from './types';
-import { cleanSchema } from './utils';
+import { validateSync as openApiValidatorSync } from "swagger2openapi/validate";
+import * as uuid from "uuid";
+
+import { parseModels } from "./parse";
+import {
+  Definition,
+  DefinitionConfig,
+  Operation,
+  ParameterConfig,
+  ServerlessFunctionConfig
+} from "./types";
+import { cleanSchema } from "./utils";
 
 export class DefinitionGenerator {
   // The OpenAPI version we currently validate against
-  public version = '3.0.0';
+  public version = "3.0.0";
 
   // Base configuration object
-  public definition = <IDefinition> {
+  public definition: Definition = {
     openapi: this.version,
-    components: {},
+    components: {}
   };
 
-  public config: IDefinitionConfig;
+  public config: DefinitionConfig;
 
   private root: string;
 
   /**
    * Constructor
    */
-  constructor (config: IDefinitionConfig, root: string) {
+  public constructor(config: DefinitionConfig, root: string) {
     this.config = _.cloneDeep(config);
     this.root = root;
   }
 
-  public async parse () {
+  public async parse() {
     const {
-      title = '',
-      description = '',
+      title = "",
+      description = "",
       version = uuid.v4(),
-      models,
+      models
     } = this.config;
 
     _.merge(this.definition, {
@@ -43,8 +49,8 @@ export class DefinitionGenerator {
       paths: {},
       components: {
         schemas: {},
-        securitySchemes: {},
-      },
+        securitySchemes: {}
+      }
     });
 
     this.definition.components.schemas = await parseModels(models, this.root);
@@ -52,7 +58,12 @@ export class DefinitionGenerator {
     return this;
   }
 
-  public validate (): { valid: boolean, context: string[], warnings: any[], error?: any[] } {
+  public validate(): {
+    valid: boolean;
+    context: Array<string>;
+    warnings: Array<any>;
+    error?: Array<any>;
+  } {
     const payload: any = {};
 
     try {
@@ -68,7 +79,7 @@ export class DefinitionGenerator {
    * Add Paths to OpenAPI Configuration from Serverless function documentation
    * @param config Add
    */
-  public readFunctions (config: IServerlessFunctionConfig[]): void {
+  public readFunctions(config: Array<ServerlessFunctionConfig>): void {
     // loop through function configurations
     for (const funcConfig of config) {
       // loop through http events
@@ -81,9 +92,9 @@ export class DefinitionGenerator {
             [`/${httpEventConfig.path}`]: {
               [httpEventConfig.method.toLowerCase()]: this.getOperationFromConfig(
                 funcConfig._functionName,
-                httpEventConfig.documentation,
-              ),
-            },
+                httpEventConfig.documentation
+              )
+            }
           };
 
           // merge path configuration into main configuration
@@ -100,9 +111,12 @@ export class DefinitionGenerator {
    * @param funcName
    * @param documentationConfig
    */
-  private getOperationFromConfig (funcName: string, documentationConfig): IOperation {
-    const operationObj: IOperation = {
-      operationId: funcName,
+  private getOperationFromConfig(
+    funcName: string,
+    documentationConfig
+  ): Operation {
+    const operationObj: Operation = {
+      operationId: funcName
     };
 
     if (documentationConfig.summary) {
@@ -122,7 +136,9 @@ export class DefinitionGenerator {
     }
 
     if (documentationConfig.requestBody) {
-      operationObj.requestBody = this.getRequestBodiesFromConfig(documentationConfig);
+      operationObj.requestBody = this.getRequestBodiesFromConfig(
+        documentationConfig
+      );
     }
 
     operationObj.parameters = this.getParametersFromConfig(documentationConfig);
@@ -136,19 +152,19 @@ export class DefinitionGenerator {
    * Derives Path, Query and Request header parameters from Serverless documentation
    * @param documentationConfig
    */
-  private getParametersFromConfig (documentationConfig): IParameterConfig[] {
-    const parameters: IParameterConfig[] = [];
+  private getParametersFromConfig(documentationConfig): Array<ParameterConfig> {
+    const parameters: Array<ParameterConfig> = [];
 
     // Build up parameters from configuration for each parameter type
-    for (const type of ['path', 'query', 'header', 'cookie']) {
+    for (const type of ["path", "query", "header", "cookie"]) {
       let paramBlock;
-      if (type === 'path' && documentationConfig.pathParams) {
+      if (type === "path" && documentationConfig.pathParams) {
         paramBlock = documentationConfig.pathParams;
-      } else if (type === 'query' && documentationConfig.queryParams) {
+      } else if (type === "query" && documentationConfig.queryParams) {
         paramBlock = documentationConfig.queryParams;
-      } else if (type === 'header' && documentationConfig.requestHeaders) {
+      } else if (type === "header" && documentationConfig.requestHeaders) {
         paramBlock = documentationConfig.requestHeaders;
-      } else if (type === 'cookie' && documentationConfig.cookieParams) {
+      } else if (type === "cookie" && documentationConfig.cookieParams) {
         paramBlock = documentationConfig.cookieParams;
       } else {
         continue;
@@ -156,34 +172,34 @@ export class DefinitionGenerator {
 
       // Loop through each parameter in a parameter block and add parameters to array
       for (const parameter of paramBlock) {
-        const parameterConfig: IParameterConfig = {
+        const parameterConfig: ParameterConfig = {
           name: parameter.name,
           in: type,
-          description: parameter.description || '',
-          required: parameter.required || false, // Note: all path parameters must be required
+          description: parameter.description || "",
+          required: parameter.required || false // Note: all path parameters must be required
         };
 
         // if type is path, then required must be true (@see OpenAPI 3.0-RC1)
-        if (type === 'path') {
+        if (type === "path") {
           parameterConfig.required = true;
-        } else if (type === 'query') {
-          parameterConfig.allowEmptyValue = parameter.allowEmptyValue || false;  // OpenAPI default is false
+        } else if (type === "query") {
+          parameterConfig.allowEmptyValue = parameter.allowEmptyValue || false; // OpenAPI default is false
 
-          if ('allowReserved' in parameter) {
+          if ("allowReserved" in parameter) {
             parameterConfig.allowReserved = parameter.allowReserved || false;
           }
         }
 
-        if ('deprecated' in parameter) {
+        if ("deprecated" in parameter) {
           parameterConfig.deprecated = parameter.deprecated;
         }
 
-        if ('style' in parameter) {
+        if ("style" in parameter) {
           parameterConfig.style = parameter.style;
 
           parameterConfig.explode = parameter.explode
             ? parameter.explode
-            : parameter.style === 'form';
+            : parameter.style === "form";
         }
 
         if (parameter.schema) {
@@ -211,39 +227,56 @@ export class DefinitionGenerator {
    * Derives request body schemas from event documentation configuration
    * @param documentationConfig
    */
-  private getRequestBodiesFromConfig (documentationConfig) {
+  private getRequestBodiesFromConfig(documentationConfig) {
     const requestBodies = {};
 
     if (!documentationConfig.requestModels) {
-      throw new Error(`Required requestModels in: ${JSON.stringify(documentationConfig, null, 2)}`);
+      throw new Error(
+        `Required requestModels in: ${JSON.stringify(
+          documentationConfig,
+          null,
+          2
+        )}`
+      );
     }
 
     // Does this event have a request model?
     if (documentationConfig.requestModels) {
       // For each request model type (Sorted by "Content-Type")
-      for (const requestModelType of Object.keys(documentationConfig.requestModels)) {
+      for (const requestModelType of Object.keys(
+        documentationConfig.requestModels
+      )) {
         // get schema reference information
-        const requestModel = this.config.models.filter(
-          (model) => model.name === documentationConfig.requestModels[requestModelType],
-        ).pop();
+        const requestModel = this.config.models
+          .filter(
+            model =>
+              model.name === documentationConfig.requestModels[requestModelType]
+          )
+          .pop();
 
         if (requestModel) {
           const reqModelConfig = {
             schema: {
-              $ref: `#/components/schemas/${documentationConfig.requestModels[requestModelType]}`,
-            },
+              $ref: `#/components/schemas/${
+                documentationConfig.requestModels[requestModelType]
+              }`
+            }
           };
 
           this.attachExamples(requestModel, reqModelConfig);
 
-          const reqBodyConfig: { content: object, description?: string } = {
+          const reqBodyConfig: { content: object; description?: string } = {
             content: {
-              [requestModelType]: reqModelConfig,
-            },
+              [requestModelType]: reqModelConfig
+            }
           };
 
-          if (documentationConfig.requestBody && 'description' in documentationConfig.requestBody) {
-            reqBodyConfig.description = documentationConfig.requestBody.description;
+          if (
+            documentationConfig.requestBody &&
+            "description" in documentationConfig.requestBody
+          ) {
+            reqBodyConfig.description =
+              documentationConfig.requestBody.description;
           }
 
           _.merge(requestBodies, reqBodyConfig);
@@ -254,7 +287,7 @@ export class DefinitionGenerator {
     return requestBodies;
   }
 
-  private attachExamples (target, config) {
+  private attachExamples(target, config) {
     if (target.examples && Array.isArray(target.examples)) {
       _.merge(config, { examples: _.cloneDeep(target.examples) });
     } else if (target.example) {
@@ -266,33 +299,38 @@ export class DefinitionGenerator {
    * Gets response bodies from documentation config
    * @param documentationConfig
    */
-  private getResponsesFromConfig (documentationConfig) {
+  private getResponsesFromConfig(documentationConfig) {
     const responses = {};
     if (documentationConfig.methodResponses) {
       for (const response of documentationConfig.methodResponses) {
-        const methodResponseConfig: { description: any, content: object, headers?: object } = {
-          description: (
-            (response.responseBody && 'description' in response.responseBody)
+        const methodResponseConfig: {
+          description: any;
+          content: object;
+          headers?: object;
+        } = {
+          description:
+            response.responseBody && "description" in response.responseBody
               ? response.responseBody.description
-              : `Status ${response.statusCode} Response`
-          ),
-          content: this.getResponseContent(response.responseModels),
+              : `Status ${response.statusCode} Response`,
+          content: this.getResponseContent(response.responseModels)
         };
 
         if (response.responseHeaders) {
           methodResponseConfig.headers = {};
           for (const header of response.responseHeaders) {
             methodResponseConfig.headers[header.name] = {
-              description: header.description || `${header.name} header`,
+              description: header.description || `${header.name} header`
             };
             if (header.schema) {
-              methodResponseConfig.headers[header.name].schema = cleanSchema(header.schema);
+              methodResponseConfig.headers[header.name].schema = cleanSchema(
+                header.schema
+              );
             }
           }
         }
 
         _.merge(responses, {
-          [response.statusCode]: methodResponseConfig,
+          [response.statusCode]: methodResponseConfig
         });
       }
     }
@@ -300,31 +338,31 @@ export class DefinitionGenerator {
     return responses;
   }
 
-  private getResponseContent (response) {
+  private getResponseContent(response) {
     const content = {};
 
     for (const responseKey of Object.keys(response)) {
-      const responseModel = this.config.models.find((model) =>
-        model.name === response[responseKey],
+      const responseModel = this.config.models.find(
+        model => model.name === response[responseKey]
       );
 
       if (responseModel) {
         const resModelConfig = {
           schema: {
-            $ref: `#/components/schemas/${response[responseKey]}`,
-          },
+            $ref: `#/components/schemas/${response[responseKey]}`
+          }
         };
 
         this.attachExamples(responseModel, resModelConfig);
 
-        _.merge(content, { [responseKey] : resModelConfig });
+        _.merge(content, { [responseKey]: resModelConfig });
       }
     }
 
     return content;
   }
 
-  private getHttpEvents (funcConfig) {
-    return funcConfig.filter((event) => event.http ? true : false);
+  private getHttpEvents(funcConfig) {
+    return funcConfig.filter(event => (event.http ? true : false));
   }
 }
diff --git a/src/ServerlessOpenApiDocumentation.ts b/src/ServerlessOpenApiDocumentation.ts
index da28ff4..b67527b 100644
--- a/src/ServerlessOpenApiDocumentation.ts
+++ b/src/ServerlessOpenApiDocumentation.ts
@@ -1,56 +1,55 @@
-import chalk from 'chalk';
-import * as fs from 'fs';
-import * as YAML from 'js-yaml';
-import _ = require('lodash');
-import * as Serverless from 'serverless';
-import { inspect } from 'util';
+import chalk from "chalk";
+import * as fs from "fs";
+import * as YAML from "js-yaml";
+import _ = require("lodash");
+import * as Serverless from "serverless";
+import { inspect } from "util";
 
-import { DefinitionGenerator } from './DefinitionGenerator';
-import { Format, IDefinitionConfig, IDefinitionType, ILog } from './types';
+import { DefinitionGenerator } from "./DefinitionGenerator";
+import { Format, DefinitionConfig, DefinitionType, ILog } from "./types";
 
-interface IOptions {
+interface Options {
   indent: number;
   format: Format;
   output: string;
 }
 
-interface IProcessedInput {
-  options: IOptions;
+interface ProcessedInput {
+  options: Options;
 }
 
-interface ICustomVars {
-  documentation: IDefinitionConfig;
+interface CustomVars {
+  documentation: DefinitionConfig;
 }
 
-interface IService {
-  custom: ICustomVars;
+interface Service {
+  custom: CustomVars;
 }
 
-interface IVariables {
-  service: IService;
+interface Variables {
+  service: Service;
 }
 
-interface IFullServerless extends Serverless {
-  variables: IVariables;
-  processedInput: IProcessedInput;
+interface FullServerless extends Serverless {
+  variables: Variables;
+  processedInput: ProcessedInput;
 }
 
 export class ServerlessOpenApiDocumentation {
   public hooks;
   public commands;
   /** Serverless Instance */
-  private serverless: IFullServerless;
+  private serverless: FullServerless;
 
   /** Serverless Service Custom vars */
-  private customVars: ICustomVars;
+  private customVars: CustomVars;
 
   /**
    * Constructor
    * @param serverless
    * @param options
    */
-  constructor (serverless: IFullServerless, options) {
-
+  public constructor(serverless: FullServerless, options) {
     // pull the serverless instance into our class vars
     this.serverless = serverless;
     // Serverless service custom variables
@@ -61,54 +60,57 @@ export class ServerlessOpenApiDocumentation {
       openapi: {
         commands: {
           generate: {
-            lifecycleEvents: [
-              'serverless',
-            ],
-            usage: 'Generate OpenAPI v3 Documentation',
+            lifecycleEvents: ["serverless"],
+            usage: "Generate OpenAPI v3 Documentation",
             options: {
               output: {
-                usage: 'Output file location [default: openapi.yml|json]',
-                shortcut: 'o',
+                usage: "Output file location [default: openapi.yml|json]",
+                shortcut: "o"
               },
               format: {
-                usage: 'OpenAPI file format (yml|json) [default: yml]',
-                shortcut: 'f',
+                usage: "OpenAPI file format (yml|json) [default: yml]",
+                shortcut: "f"
               },
               indent: {
-                usage: 'File indentation in spaces [default: 2]',
-                shortcut: 'i',
-              },
-            },
-          },
-        },
-      },
+                usage: "File indentation in spaces [default: 2]",
+                shortcut: "i"
+              }
+            }
+          }
+        }
+      }
     };
 
     // Declare the hooks our plugin is interested in
     this.hooks = {
-      'openapi:generate:serverless': this.generate.bind(this),
+      "openapi:generate:serverless": this.generate.bind(this)
     };
   }
 
-  log: ILog = (...str: string[]) => {
-    process.stdout.write(str.join(' '));
-  }
+  private log: ILog = (...str: Array<string>) => {
+    process.stdout.write(str.join(" "));
+  };
 
   /**
    * Generates OpenAPI Documentation based on serverless configuration and functions
    */
-  public async generate () {
-    this.log(chalk.bold.underline('OpenAPI v3 Documentation Generator\n\n'));
+  public async generate() {
+    this.log(chalk.bold.underline("OpenAPI v3 Documentation Generator\n\n"));
     // Instantiate DocumentGenerator
-    const generator = new DefinitionGenerator(this.customVars.documentation, this.serverless.config.servicePath);
+    const generator = new DefinitionGenerator(
+      this.customVars.documentation,
+      this.serverless.config.servicePath
+    );
 
     await generator.parse();
 
     // Map function configurations
-    const funcConfigs = this.serverless.service.getAllFunctions().map((functionName) => {
-      const func = this.serverless.service.getFunction(functionName);
-      return _.merge({ _functionName: functionName }, func);
-    });
+    const funcConfigs = this.serverless.service
+      .getAllFunctions()
+      .map(functionName => {
+        const func = this.serverless.service.getFunction(functionName);
+        return _.merge({ _functionName: functionName }, func);
+      });
 
     // Add Paths to OpenAPI Output from Function Configuration
     generator.readFunctions(funcConfigs);
@@ -116,24 +118,42 @@ export class ServerlessOpenApiDocumentation {
     // Process CLI Input options
     const config = this.processCliInput();
 
-    this.log(`${chalk.bold.yellow('[VALIDATION]')} Validating OpenAPI generated output\n`);
+    this.log(
+      `${chalk.bold.yellow(
+        "[VALIDATION]"
+      )} Validating OpenAPI generated output\n`
+    );
 
     const validation = generator.validate();
 
     if (validation.valid) {
-      this.log(`${chalk.bold.green('[VALIDATION]')} OpenAPI valid: ${chalk.bold.green('true')}\n\n`);
+      this.log(
+        `${chalk.bold.green("[VALIDATION]")} OpenAPI valid: ${chalk.bold.green(
+          "true"
+        )}\n\n`
+      );
     } else {
-      this.log(`${chalk.bold.red('[VALIDATION]')} Failed to validate OpenAPI document: \n\n`);
-      this.log(`${chalk.bold.green('Context:')} ${JSON.stringify(validation.context, null, 2)}\n`);
-
-      if (typeof validation.error === 'string') {
+      this.log(
+        `${chalk.bold.red(
+          "[VALIDATION]"
+        )} Failed to validate OpenAPI document: \n\n`
+      );
+      this.log(
+        `${chalk.bold.green("Context:")} ${JSON.stringify(
+          validation.context,
+          null,
+          2
+        )}\n`
+      );
+
+      if (typeof validation.error === "string") {
         this.log(`${validation.error}\n\n`);
       } else {
         for (const info of validation.error) {
-          this.log(chalk.grey('\n\n--------\n\n'));
-          this.log(' ', chalk.blue(info.dataPath), '\n');
-          this.log(' ', info.schemaPath, chalk.bold.yellow(info.message));
-          this.log(chalk.grey('\n\n--------\n\n'));
+          this.log(chalk.grey("\n\n--------\n\n"));
+          this.log(" ", chalk.blue(info.dataPath), "\n");
+          this.log(" ", info.schemaPath, chalk.bold.yellow(info.message));
+          this.log(chalk.grey("\n\n--------\n\n"));
           this.log(`${inspect(info, { colors: true, depth: 2 })}\n\n`);
         }
       }
@@ -145,46 +165,52 @@ export class ServerlessOpenApiDocumentation {
 
     let output;
     switch (config.format.toLowerCase()) {
-    case 'json':
-      output = JSON.stringify(definition, null, config.indent);
-      break;
-    case 'yaml':
-    default:
-      output = YAML.safeDump(definition, { indent: config.indent });
-      break;
+      case "json":
+        output = JSON.stringify(definition, null, config.indent);
+        break;
+      case "yaml":
+      default:
+        output = YAML.safeDump(definition, { indent: config.indent });
+        break;
     }
 
     fs.writeFileSync(config.file, output);
 
-    this.log(`${chalk.bold.green('[OUTPUT]')} To "${chalk.bold.red(config.file)}"\n`);
+    this.log(
+      `${chalk.bold.green("[OUTPUT]")} To "${chalk.bold.red(config.file)}"\n`
+    );
   }
 
   /**
    * Processes CLI input by reading the input from serverless
    * @returns config IConfigType
    */
-  private processCliInput (): IDefinitionType {
-    const config: IDefinitionType = {
+  private processCliInput(): DefinitionType {
+    const config: DefinitionType = {
       format: Format.yaml,
-      file: 'openapi.yml',
-      indent: 2,
+      file: "openapi.yml",
+      indent: 2
     };
 
     config.indent = this.serverless.processedInput.options.indent || 2;
-    config.format = this.serverless.processedInput.options.format || Format.yaml;
+    config.format =
+      this.serverless.processedInput.options.format || Format.yaml;
 
     if ([Format.yaml, Format.json].indexOf(config.format) < 0) {
-      throw new Error('Invalid Output Format Specified - must be one of "yaml" or "json"');
+      throw new Error(
+        'Invalid Output Format Specified - must be one of "yaml" or "json"'
+      );
     }
 
-    config.file = this.serverless.processedInput.options.output ||
-      ((config.format === 'yaml') ? 'openapi.yml' : 'openapi.json');
+    config.file =
+      this.serverless.processedInput.options.output ||
+      (config.format === "yaml" ? "openapi.yml" : "openapi.json");
 
     this.log(
-      `${chalk.bold.green('[OPTIONS]')}`,
+      `${chalk.bold.green("[OPTIONS]")}`,
       `format: "${chalk.bold.red(config.format)}",`,
       `output file: "${chalk.bold.red(config.file)}",`,
-      `indentation: "${chalk.bold.red(String(config.indent))}"\n\n`,
+      `indentation: "${chalk.bold.red(String(config.indent))}"\n\n`
     );
 
     return config;
diff --git a/src/__tests__/DefinitionGenerator.spec.ts b/src/__tests__/DefinitionGenerator.spec.ts
index e94cd0e..cd66dac 100644
--- a/src/__tests__/DefinitionGenerator.spec.ts
+++ b/src/__tests__/DefinitionGenerator.spec.ts
@@ -1,7 +1,7 @@
-import _ = require('lodash');
-import * as path from 'path';
-import * as Serverless from 'serverless';
-import { DefinitionGenerator } from '../DefinitionGenerator';
+import _ = require("lodash");
+import * as path from "path";
+import * as Serverless from "serverless";
+import { DefinitionGenerator } from "../DefinitionGenerator";
 
 class ServerlessInterface extends Serverless {
   public service: any = {};
@@ -11,43 +11,50 @@ class ServerlessInterface extends Serverless {
   public variables: any = {};
 }
 
-describe('OpenAPI Documentation Generator', () => {
+describe("OpenAPI Documentation Generator", () => {
   let sls: ServerlessInterface;
 
-  const servicePath = path.join(__dirname, '../../test/project');
+  const servicePath = path.join(__dirname, "../../test/project");
 
   beforeEach(async () => {
-
-    const serverlessYamlPath = path.join(servicePath, './serverless.yml');
+    const serverlessYamlPath = path.join(servicePath, "./serverless.yml");
     sls = new Serverless();
 
     sls.config.update({
-      servicePath,
+      servicePath
     });
 
     const config = await sls.yamlParser.parse(serverlessYamlPath);
-    sls.pluginManager.cliOptions = { stage: 'dev' };
+    sls.pluginManager.cliOptions = { stage: "dev" };
 
     await sls.service.load(config);
     await sls.variables.populateService();
 
-    if (!('documentation' in sls.service.custom)) {
-      throw new Error('Cannot find "documentation" in custom section of "serverless.yml"');
+    if (!("documentation" in sls.service.custom)) {
+      throw new Error(
+        'Cannot find "documentation" in custom section of "serverless.yml"'
+      );
     }
   });
 
-  it('Generates OpenAPI document', async () => {
-    const docGen = new DefinitionGenerator(sls.service.custom.documentation, servicePath);
+  it("Generates OpenAPI document", async () => {
+    const docGen = new DefinitionGenerator(
+      sls.service.custom.documentation,
+      servicePath
+    );
     expect(docGen).not.toBeNull();
   });
 
-  it('adds paths to OpenAPI output from function configuration', async () => {
-    const docGen = new DefinitionGenerator(sls.service.custom.documentation, servicePath);
+  it("adds paths to OpenAPI output from function configuration", async () => {
+    const docGen = new DefinitionGenerator(
+      sls.service.custom.documentation,
+      servicePath
+    );
 
     // implementation copied from ServerlessOpenApiDocumentation.ts
     await docGen.parse();
 
-    const funcConfigs = sls.service.getAllFunctions().map((functionName) => {
+    const funcConfigs = sls.service.getAllFunctions().map(functionName => {
       const func = sls.service.getFunction(functionName);
       return _.merge({ _functionName: functionName }, func);
     });
@@ -55,41 +62,38 @@ describe('OpenAPI Documentation Generator', () => {
     docGen.readFunctions(funcConfigs);
 
     // get the parameters from the `/create POST' endpoint
-    const actual = docGen.definition.paths['/create'].post.parameters;
+    const actual = docGen.definition.paths["/create"].post.parameters;
     const expected = [
       {
-        description: 'The username for a user to create',
-        in: 'path',
-        name: 'username',
+        description: "The username for a user to create",
+        in: "path",
+        name: "username",
         required: true,
         schema: {
-          pattern: '^[-a-z0-9_]+$',
-          type: 'string',
-        },
+          pattern: "^[-a-z0-9_]+$",
+          type: "string"
+        }
       },
       {
         allowEmptyValue: false,
         description: `The user's Membership Type`,
-        in: 'query',
-        name: 'membershipType',
+        in: "query",
+        name: "membershipType",
         required: false,
         schema: {
-          enum: [
-            'premium',
-            'standard',
-          ],
-          type: 'string',
-        },
+          enum: ["premium", "standard"],
+          type: "string"
+        }
       },
       {
-        description: 'A Session ID variable',
-        in: 'cookie',
-        name: 'SessionId',
+        description: "A Session ID variable",
+        in: "cookie",
+        name: "SessionId",
         required: false,
         schema: {
-          type: 'string',
-        },
-      },
+          type: "string"
+        }
+      }
     ];
 
     expect(actual).toEqual(expected);
diff --git a/src/index.ts b/src/index.ts
index e0e1541..c01caeb 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,4 @@
-import { ServerlessOpenApiDocumentation } from './ServerlessOpenApiDocumentation';
+import { ServerlessOpenApiDocumentation } from "./ServerlessOpenApiDocumentation";
 
 // tslint:disable-next-line no-default-export
 export default ServerlessOpenApiDocumentation;
diff --git a/src/parse.ts b/src/parse.ts
index 12bc1e0..eaaa76c 100644
--- a/src/parse.ts
+++ b/src/parse.ts
@@ -1,36 +1,12 @@
-import { JSONSchema7 } from 'json-schema';
-import * as $RefParser from 'json-schema-ref-parser';
-import * as _ from 'lodash';
-import * as path from 'path';
+import { JSONSchema7 } from "json-schema";
+import * as $RefParser from "json-schema-ref-parser";
+import * as _ from "lodash";
+import * as path from "path";
 
-import { IModel } from './types';
-import { cleanSchema } from './utils';
+import { Model } from "./types";
+import { cleanSchema } from "./utils";
 
-export async function parseModels (models: IModel[], root: string): Promise<{}> {
-  const schemas = {};
-
-  if (!_.isArrayLike(models)) {
-    throw new Error('Empty models');
-  }
-
-  for (const model of models) {
-    if (!model.schema) {
-      continue;
-    }
-
-    const schema = (typeof model.schema === 'string'
-      ? await $RefParser.bundle(path.resolve(root, model.schema))
-      : model.schema) as JSONSchema7;
-
-    _.assign(schemas, updateReferences(schema.definitions), {
-      [model.name]: updateReferences(cleanSchema(schema)),
-    });
-  }
-
-  return schemas;
-}
-
-function updateReferences (schema: JSONSchema7): JSONSchema7 {
+function updateReferences(schema: JSONSchema7): JSONSchema7 {
   if (!schema) {
     return schema;
   }
@@ -40,17 +16,44 @@ function updateReferences (schema: JSONSchema7): JSONSchema7 {
   if (cloned.$ref) {
     return {
       ...cloned,
-      $ref: cloned.$ref.replace('#/definitions', '#/components/schemas'),
+      $ref: cloned.$ref.replace("#/definitions", "#/components/schemas")
     };
   }
 
   for (const key of Object.getOwnPropertyNames(cloned)) {
     const value = cloned[key];
 
-    if (typeof value === 'object') {
+    if (typeof value === "object") {
       cloned[key] = updateReferences(value);
     }
   }
 
   return cloned;
 }
+
+export async function parseModels(
+  models: Array<Model>,
+  root: string
+): Promise<{}> {
+  const schemas = {};
+
+  if (!_.isArrayLike(models)) {
+    throw new Error("Empty models");
+  }
+
+  for (const model of models) {
+    if (!model.schema) {
+      continue;
+    }
+
+    const schema = (typeof model.schema === "string"
+      ? await $RefParser.bundle(path.resolve(root, model.schema))
+      : model.schema) as JSONSchema7;
+
+    _.assign(schemas, updateReferences(schema.definitions), {
+      [model.name]: updateReferences(cleanSchema(schema))
+    });
+  }
+
+  return schemas;
+}
diff --git a/src/types.ts b/src/types.ts
index 452d03d..d61f109 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,38 +1,38 @@
-import { JSONSchema7 } from 'json-schema';
+import { JSONSchema7 } from "json-schema";
 
-export interface IModel {
+export interface Model {
   name: string;
   description: string;
   contentType: string;
   schema: string | JSONSchema7;
-  examples: any[];
+  examples: Array<any>;
   example: object;
 }
 
-export interface IDefinitionConfig {
+export interface DefinitionConfig {
   title: string;
   description: string;
   version?: string;
-  models: IModel[];
+  models: Array<Model>;
 }
 
 export enum Format {
-  yaml = 'yaml',
-  json = 'json',
+  yaml = "yaml",
+  json = "json"
 }
 
-export interface IDefinitionType {
+export interface DefinitionType {
   file: string;
   format: Format;
   indent: number;
 }
 
-export interface IServerlessFunctionConfig {
+export interface ServerlessFunctionConfig {
   _functionName: string;
   handler: string;
   description?: string;
   environment?: object;
-  events?: any[];
+  events?: Array<any>;
 }
 
 // TODO: We could use another TS based OpenAPI project to get type information
@@ -40,48 +40,48 @@ export interface IServerlessFunctionConfig {
 // @see https://github.com/Mermade/awesome-openapi3#parsersmodelsvalidators
 
 // @see https://github.com/OAI/OpenAPI-Specification/blob/3.0.0/versions/3.0.0.md#operation-object
-export interface IOperation {
-  tags?: string[];
+export interface Operation {
+  tags?: Array<string>;
   summary?: string;
   description?: string;
   externalDocs?: any;
   operationId?: string;
-  parameters?: IParameterConfig[];
+  parameters?: Array<ParameterConfig>;
   requestBody?: any;
   responses?: any;
   callbacks?: any;
   deprecated?: boolean;
-  security?: any[];
-  servers?: any[];
+  security?: Array<any>;
+  servers?: Array<any>;
 }
 
 // @see https://github.com/OAI/OpenAPI-Specification/blob/3.0.0/versions/3.0.0.md#parameterObject
-export interface IParameterConfig {
+export interface ParameterConfig {
   name: string;
-  in: 'path' | 'query' | 'header' | 'cookie';
+  in: "path" | "query" | "header" | "cookie";
   description: string;
   required?: boolean;
   schema?: object;
   deprecated?: boolean;
   allowEmptyValue?: boolean;
-  style?: 'form' | 'simple';
+  style?: "form" | "simple";
   explode?: boolean;
   allowReserved?: boolean;
   example?: any;
-  examples?: any[];
+  examples?: Array<any>;
   content?: Map<string, any>;
 }
 
 // FIXME:
-export interface IDefinition {
+export interface Definition {
   openapi: string;
-  info: any;
-  servers?: any[];
-  paths: any;
+  info?: any;
+  servers?: Array<any>;
+  paths?: any;
   components?: any;
-  security?: any[];
-  tags?: any[];
-  externalDocs: any;
+  security?: Array<any>;
+  tags?: Array<any>;
+  externalDocs?: any;
 }
 
-export type ILog = (...str: string[]) => void;
+export type ILog = (...str: Array<string>) => void;
diff --git a/src/utils.ts b/src/utils.ts
index eb02269..3f7be8f 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,4 +1,3 @@
+import _ = require("lodash");
 
-import _ = require('lodash');
-
-export const cleanSchema = (schema) => _.omit(schema, '$schema', 'definitions');
+export const cleanSchema = schema => _.omit(schema, "$schema", "definitions");