Initial commit

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*

jest.config.js

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+module.exports = {
+  preset: "ts-jest",
+  testEnvironment: "jsdom",
+};

package.json

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+{
+  "name": "useFormo",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "devDependencies": {
+    "@testing-library/react-hooks": "^5.0.3",
+    "@types/jest": "^26.0.20",
+    "@types/react": "^17.0.2",
+    "fp-ts": "^2.9.5",
+    "jest": "^26.6.3",
+    "react": "^17.0.1",
+    "react-dom": "^17.0.1",
+    "ts-jest": "^26.5.1",
+    "tsd": "^0.14.0",
+    "typescript": "^4.1.5"
+  },
+  "peerDependencies": {
+    "fp-ts": "^2.9.5",
+    "react": "^17.0.1"
+  }
+}

src/FieldProps.ts

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+import { Option } from "fp-ts/Option";
+
+export type FieldProps<V, Label, FieldError> = {
+  name: string;
+  value: V;
+  onChange: (value: V) => unknown;
+  onBlur: () => unknown;
+  label: Label;
+  issues: Option<FieldError>;
+  disabled?: boolean;
+};

src/Validator.ts

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+import { NonEmptyArray } from "fp-ts/lib/NonEmptyArray";
+import { ReaderTaskEither } from "fp-ts/lib/ReaderTaskEither";
+
+export type Validator<I, O, E> = ReaderTaskEither<I, NonEmptyArray<E>, O>;