fix(package): fix potential security vulnerabilities

Author: bigslycat

babel.config.js

@@ -11,7 +11,7 @@ const env = modules => [
   },
 ];
 
-module.exports = {
+const config /* : any */ = {
   plugins: ['@babel/plugin-proposal-class-properties'],
   presets: ['@babel/flow', env()],
   env: {
@@ -20,3 +20,5 @@ module.exports = {
     },
   },
 };
+
+module.exports = config;

package.json

@@ -26,39 +26,39 @@
     }
   },
   "devDependencies": {
-    "@babel/core": "^7.9.0",
-    "@babel/plugin-proposal-class-properties": "^7.8.3",
-    "@babel/preset-env": "^7.9.5",
-    "@babel/preset-flow": "^7.9.0",
-    "@rollup/plugin-commonjs": "^11.1.0",
+    "@babel/core": "^7.12.9",
+    "@babel/plugin-proposal-class-properties": "^7.12.1",
+    "@babel/preset-env": "^7.12.7",
+    "@babel/preset-flow": "^7.12.1",
+    "@rollup/plugin-commonjs": "^17.0.0",
     "@semantic-release/changelog": "^5.0.1",
     "@semantic-release/commit-analyzer": "^8.0.1",
     "@semantic-release/git": "^9.0.0",
-    "@semantic-release/github": "^7.0.5",
-    "@semantic-release/npm": "^7.0.5",
+    "@semantic-release/github": "^7.2.0",
+    "@semantic-release/npm": "^7.0.8",
     "@semantic-release/release-notes-generator": "^9.0.1",
     "babel-core": "^7.0.0-bridge.0",
     "babel-eslint": "^10.1.0",
-    "babel-jest": "^25.3.0",
-    "eslint": "^6.8.0",
-    "eslint-config-airbnb-base": "^14.1.0",
-    "eslint-config-prettier": "^6.10.1",
-    "eslint-plugin-flowtype": "^4.7.0",
-    "eslint-plugin-import": "^2.20.2",
-    "eslint-plugin-prettier": "^3.1.3",
-    "flow-bin": "^0.123.0",
-    "flow-typed": "^3.1.0",
-    "husky": "^4.2.5",
-    "jest": "^25.3.0",
-    "markdownlint": "^0.20.1",
-    "prettier": "^2.0.4",
-    "rollup": "^2.6.1",
+    "babel-jest": "^26.6.3",
+    "eslint": "^7.14.0",
+    "eslint-config-airbnb-base": "^14.2.1",
+    "eslint-config-prettier": "^6.15.0",
+    "eslint-plugin-flowtype": "^5.2.0",
+    "eslint-plugin-import": "^2.22.1",
+    "eslint-plugin-prettier": "^3.1.4",
+    "flow-bin": "^0.138.0",
+    "flow-typed": "^3.2.1",
+    "husky": "^4.3.0",
+    "jest": "^26.6.3",
+    "markdownlint": "^0.22.0",
+    "prettier": "^2.2.1",
+    "rollup": "^2.34.0",
     "rollup-plugin-babel": "^4.4.0",
     "rollup-plugin-clear": "^2.0.7",
     "rollup-plugin-flow-entry": "^0.3.4",
-    "semantic-release": "^17.0.6",
-    "shx": "^0.3.2",
-    "typescript": "^3.8.3"
+    "semantic-release": "^17.3.0",
+    "shx": "^0.3.3",
+    "typescript": "^4.1.2"
   },
   "repository": "bigslycat/typed-contracts",
   "keywords": [

src/Contract.js

@@ -47,12 +47,9 @@ function curry2(fn) {
     args.length > 1 ? fn(args[0], args[1]) : value => fn(args[0], value);
 }
 
-declare export function of/* :: <T> */ (
+export function of /* :: <T> */(
   validate: (valueName: string, value: mixed) => ValidationError | T,
-): Contract<T>;
-
-// eslint-disable-next-line no-redeclare
-export function of(validate) {
+): Contract<T> {
   const maybe = curry2((valueName, value) =>
     value == null ? value : validate(valueName, value),
   );
@@ -62,9 +59,9 @@ export function of(validate) {
   );
 
   const contract = (...args) => {
-    if (args.length > 1) return validate(args[0], args[1]);
+    if (args.length > 1) return validate((args[0]: any), args[1]);
 
-    const result = value => validate(args[0], value);
+    const result = value => validate((args[0]: any), value);
 
     result.maybe = maybe(args[0]);
     result.optional = optional(args[0]);
@@ -88,5 +85,5 @@ export function of(validate) {
   contract.mapResult = mapResult;
   contract.match = match;
 
-  return contract;
+  return (contract: any);
 }