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[typescript] add tests and implementation for FieldArrayProps (#18)
* [typescript] add tests and implementation for FieldArrayProps * fix typings extension * fix default import * Upgraded ff and ffarrays deps * Upgraded react-final-form * generate new lock * make runtime match the expected type signatures regarding fieldState and meta * fix resubscribe test - value is in different location * value is under fields * Fix validation after final-form@4.0.0 breaking change
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‎.gitignore‎

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@@ -9,3 +9,5 @@ lib
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es
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npm-debug.log
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.DS_Store
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.idea
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yarn.lock

‎package-lock.json‎

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‎package-scripts.js‎

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description: 'flow check the entire project',
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script: 'flow check'
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},
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typescript: {
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description: 'typescript check the entire project',
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script: 'tsc'
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},
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validate: {
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description:
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'This runs several scripts to make sure things look good before committing or on clean install',
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default: concurrent.nps('lint', 'flow', 'build.andTest', 'test')
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default: concurrent.nps('lint', 'flow', 'typescript', 'build.andTest', 'test')
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}
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},
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options: {

‎package.json‎

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{
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"name": "react-final-form-arrays",
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"version": "1.0.2",
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"description":
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"A component for rendering and editing arrays 🏁 React Final Form",
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"description": "A component for rendering and editing arrays 🏁 React Final Form",
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"main": "dist/react-final-form-arrays.cjs.js",
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"jsnext:main": "dist/react-final-form-arrays.es.js",
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"module": "dist/react-final-form-arrays.es.js",
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"typings": "dist/index.d.js",
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"files": ["dist"],
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"typings": "dist/index.d.ts",
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"files": [
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"dist"
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],
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"scripts": {
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"start": "nps",
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"test": "nps test",
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"precommit": "lint-staged && npm start validate"
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},
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"author":
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"Erik Rasmussen <rasmussenerik@gmail.com> (http://github.com/erikras)",
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"author": "Erik Rasmussen <rasmussenerik@gmail.com> (http://github.com/erikras)",
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"license": "MIT",
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"repository": {
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"type": "git",
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"eslint-plugin-import": "^2.8.0",
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"eslint-plugin-jsx-a11y": "^6.0.2",
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"eslint-plugin-react": "^7.4.0",
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"final-form": "^2.0.0",
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"final-form-arrays": "^1.0.3",
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"flow": "^0.2.3",
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"final-form": "^4.0.4",
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"final-form-arrays": "^1.0.4",
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"flow-bin": "^0.61.0",
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"husky": "^0.14.3",
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"jest": "^21.2.1",
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"raf": "^3.4.0",
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"react": "^16.1.0",
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"react-dom": "^16.1.0",
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"react-final-form": "^1.1.0",
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"react-final-form": "^3.0.5",
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"rollup": "^0.52.0",
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"rollup-plugin-babel": "^3.0.2",
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"rollup-plugin-commonjs": "^8.2.6",
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"rollup-plugin-flow": "^1.1.1",
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"rollup-plugin-node-resolve": "^3.0.0",
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"rollup-plugin-replace": "^2.0.0",
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"rollup-plugin-uglify": "^2.0.1"
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"rollup-plugin-uglify": "^2.0.1",
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"typescript": "^2.6.2"
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},
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"peerDependencies": {
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"final-form": ">=2.0.0",
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"react": "^15.3.0 || ^16.0.0-0"
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},
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"jest": {
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"setupFiles": ["raf/polyfill"]
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"setupFiles": [
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"raf/polyfill"
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]
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},
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"lint-staged": {
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"*.{js*,ts,json,md,css}": ["prettier --write", "git add"]
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"*.{js*,ts*,json,md,css}": [
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"prettier --write",
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"git add"
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]
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},
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"bundlesize": [
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{

‎src/FieldArray.d.test.tsx‎

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import * as React from 'react'
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import { Form, Field } from 'react-final-form'
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import arrayMutators from 'final-form-arrays'
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import { FieldArray } from './index'
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const onSubmit = async (values: any) => {
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console.log(values)
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}
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const basic = () => (
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<Form
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onSubmit={onSubmit}
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mutators={{
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...arrayMutators
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}}
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>
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{({
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handleSubmit,
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mutators: { push, pop }, // injected from final-form-arrays above
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pristine,
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reset,
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submitting,
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values
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}) => {
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return (
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<form onSubmit={handleSubmit}>
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<div>
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<label>Company</label>
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<Field name="company" component="input" />
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</div>
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<div className="buttons">
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<button type="button" onClick={() => push('customers', undefined)}>
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Add Customer
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</button>
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<button type="button" onClick={() => pop('customers')}>
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Remove Customer
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</button>
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</div>
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<FieldArray name="customers">
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{({ fields }) =>
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fields.map((name, index) => (
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<div key={name}>
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<label>Cust. #{index + 1}</label>
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<Field
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name={`${name}.firstName`}
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component="input"
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placeholder="First Name"
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/>
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<Field
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name={`${name}.lastName`}
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component="input"
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placeholder="Last Name"
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/>
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<span
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onClick={() => fields.remove(index)}
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style={{ cursor: 'pointer' }}
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>
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❌
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</span>
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</div>
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))
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}
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</FieldArray>
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<div className="buttons">
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<button type="submit" disabled={submitting || pristine}>
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Submit
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</button>
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<button
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type="button"
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onClick={reset}
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disabled={submitting || pristine}
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>
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Reset
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</button>
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</div>
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<pre>{JSON.stringify(values)}</pre>
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</form>
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)
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}}
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</Form>
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)

‎src/FieldArray.js‎

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@@ -59,7 +59,9 @@ export default class FieldArray extends React.PureComponent<Props, State> {
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name,
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listener,
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subscription ? { ...subscription, length: true } : all,
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{ validate: this.validate }
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{
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getValidator: () => this.props.validate
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}
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)
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}
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}
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}
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validate = (value: ?any, allValues: Object) =>
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this.props.validate && this.props.validate(value, allValues)
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notify = (state: FieldState) => {
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setTimeout(() => this.setState({ state }))
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}
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render() {
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const { name, ...rest } = this.props
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let { value, length, ...meta } = this.state.state
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let {
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length,
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active,
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dirty,
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error,
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initial,
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invalid,
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pristine,
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submitError,
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submitFailed,
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submitSucceeded,
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touched,
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valid,
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visited,
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...fieldStateFunctions
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} = this.state.state
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const meta = {
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active,
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dirty,
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error,
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initial,
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invalid,
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pristine,
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submitError,
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submitFailed,
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submitSucceeded,
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touched,
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valid,
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visited
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}
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const fieldState = {
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...meta,
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...fieldStateFunctions
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}
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return renderComponent(
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{
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fields: {
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name,
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forEach: this.forEach,
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length,
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map: this.map,
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...this.mutators
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...this.mutators,
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...fieldState
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},
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meta,
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value,
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...rest
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},
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`FieldArray(${name})`

‎src/FieldArray.test.js‎

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const dom = TestUtils.renderIntoDocument(<Container />)
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expect(renderArray).toHaveBeenCalled()
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expect(renderArray).toHaveBeenCalledTimes(1)
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expect(renderArray.mock.calls[0][0].value).toEqual(['Odie'])
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expect(renderArray.mock.calls[0][0].fields.value).toEqual(['Odie'])
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const button = TestUtils.findRenderedDOMComponentWithTag(dom, 'button')
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TestUtils.Simulate.click(button)
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await sleep(2)
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expect(renderArray).toHaveBeenCalledTimes(4)
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expect(renderArray.mock.calls[3][0].value).toEqual(['Garfield'])
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expect(renderArray.mock.calls[3][0].fields.value).toEqual(['Garfield'])
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})
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it('should not resubscribe if name changes when not inside a <Form> (duh)', () => {

‎src/index.d.ts‎

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import * as React from 'react'
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import { FieldArrayProps } from 'final-form'
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import { FieldSubscription, FieldState } from 'final-form'
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export const version: string
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export var FieldArray: React.ComponentType<FieldArrayProps>
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export var version: string
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export const FieldArray: React.ComponentType<FieldArrayProps>
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export interface FieldArrayRenderProps {
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fields: {
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forEach: (iterator: (name: string, index: number) => void) => void
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insert: (index: number, value: any) => void
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map: (iterator: (name: string, index: number) => any) => any[]
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move: (from: number, to: number) => void
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name: string
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pop: () => any
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push: (value: any) => void
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remove: (index: number) => any
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shift: () => any
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swap: (indexA: number, indexB: number) => void
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unshift: (value: any) => void
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} & FieldState
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meta: Partial<{
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// TODO: Make a diff of `FieldState` without all the functions
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active: boolean
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dirty: boolean
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error: boolean
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initial: boolean
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invalid: boolean
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pristine: boolean
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submitError: boolean
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submitFailed: boolean
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submitSucceeded: boolean
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touched: boolean
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valid: boolean
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visited: boolean
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}>
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}
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export interface RenderableProps<T> {
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children?: ((props: T) => React.ReactNode) | React.ReactNode
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component?: React.ComponentType<T> | string
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render?: (props: T) => React.ReactNode
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}
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export interface FieldArrayProps
45+
extends RenderableProps<FieldArrayRenderProps> {
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name: string
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subscription?: FieldSubscription
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validate?: (value: any, allValues: object) => any
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}

‎tsconfig.json‎

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{
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"compilerOptions": {
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"lib": [
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"es2015",
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"dom"
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],
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"jsx": "react",
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"baseUrl": ".",
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"noEmit": true,
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"strict": true
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},
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"include": [
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"./src/**/*"
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]
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}

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