feat: init vc-form component

pull/22/head
tjz 2018-05-02 21:35:42 +08:00
parent c04144afd9
commit b5cd8f5714
9 changed files with 1128 additions and 0 deletions

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// export this package's api
import { createForm, createFormField } from './src/'
export { createForm, createFormField }

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import createReactClass from 'create-react-class'
import AsyncValidator from 'async-validator'
import warning from 'warning'
import get from 'lodash/get'
import set from 'lodash/set'
import createFieldsStore from './createFieldsStore'
import { cloneElement } from '../../_util/vnode'
import {
argumentContainer,
identity,
normalizeValidateRules,
getValidateTriggers,
getValueFromEvent,
hasRules,
getParams,
isEmptyObject,
flattenArray,
} from './utils'
const DEFAULT_TRIGGER = 'onChange'
function createBaseForm (option = {}, mixins = []) {
const {
validateMessages,
onFieldsChange,
onValuesChange,
mapProps = identity,
mapPropsToFields,
fieldNameProp,
fieldMetaProp,
fieldDataProp,
formPropName = 'form',
// @deprecated
withRef,
} = option
return function decorate (WrappedComponent) {
const Form = createReactClass({
mixins,
getInitialState () {
const fields = mapPropsToFields && mapPropsToFields(this.props)
this.fieldsStore = createFieldsStore(fields || {})
this.instances = {}
this.cachedBind = {}
this.clearedFieldMetaCache = {};
// HACK: https://github.com/ant-design/ant-design/issues/6406
['getFieldsValue',
'getFieldValue',
'setFieldsInitialValue',
'getFieldsError',
'getFieldError',
'isFieldValidating',
'isFieldsValidating',
'isFieldsTouched',
'isFieldTouched'].forEach(key => {
this[key] = (...args) => {
if (process.env.NODE_ENV !== 'production') {
warning(
false,
'you should not use `ref` on enhanced form, please use `wrappedComponentRef`. ' +
'See: https://github.com/react-component/form#note-use-wrappedcomponentref-instead-of-withref-after-rc-form140'
)
}
return this.fieldsStore[key](...args)
}
})
return {
submitting: false,
}
},
componentWillReceiveProps (nextProps) {
if (mapPropsToFields) {
this.fieldsStore.updateFields(mapPropsToFields(nextProps))
}
},
onCollectCommon (name, action, args) {
const fieldMeta = this.fieldsStore.getFieldMeta(name)
if (fieldMeta[action]) {
fieldMeta[action](...args)
} else if (fieldMeta.originalProps && fieldMeta.originalProps[action]) {
fieldMeta.originalProps[action](...args)
}
const value = fieldMeta.getValueFromEvent
? fieldMeta.getValueFromEvent(...args)
: getValueFromEvent(...args)
if (onValuesChange && value !== this.fieldsStore.getFieldValue(name)) {
const valuesAll = this.fieldsStore.getAllValues()
const valuesAllSet = {}
valuesAll[name] = value
Object.keys(valuesAll).forEach(key => set(valuesAllSet, key, valuesAll[key]))
onValuesChange(this.props, set({}, name, value), valuesAllSet)
}
const field = this.fieldsStore.getField(name)
return ({ name, field: { ...field, value, touched: true }, fieldMeta })
},
onCollect (name_, action, ...args) {
const { name, field, fieldMeta } = this.onCollectCommon(name_, action, args)
const { validate } = fieldMeta
const newField = {
...field,
dirty: hasRules(validate),
}
this.setFields({
[name]: newField,
})
},
onCollectValidate (name_, action, ...args) {
const { field, fieldMeta } = this.onCollectCommon(name_, action, args)
const newField = {
...field,
dirty: true,
}
this.validateFieldsInternal([newField], {
action,
options: {
firstFields: !!fieldMeta.validateFirst,
},
})
},
getCacheBind (name, action, fn) {
if (!this.cachedBind[name]) {
this.cachedBind[name] = {}
}
const cache = this.cachedBind[name]
if (!cache[action]) {
cache[action] = fn.bind(this, name, action)
}
return cache[action]
},
recoverClearedField (name) {
if (this.clearedFieldMetaCache[name]) {
this.fieldsStore.setFields({
[name]: this.clearedFieldMetaCache[name].field,
})
this.fieldsStore.setFieldMeta(name, this.clearedFieldMetaCache[name].meta)
delete this.clearedFieldMetaCache[name]
}
},
getFieldDecorator (name, fieldOption) {
const props = this.getFieldProps(name, fieldOption)
return (fieldElem) => {
const fieldMeta = this.fieldsStore.getFieldMeta(name)
const originalProps = fieldElem.props
if (process.env.NODE_ENV !== 'production') {
const valuePropName = fieldMeta.valuePropName
warning(
!(valuePropName in originalProps),
`\`getFieldDecorator\` will override \`${valuePropName}\`, ` +
`so please don't set \`${valuePropName}\` directly ` +
`and use \`setFieldsValue\` to set it.`
)
const defaultValuePropName =
`default${valuePropName[0].toUpperCase()}${valuePropName.slice(1)}`
warning(
!(defaultValuePropName in originalProps),
`\`${defaultValuePropName}\` is invalid ` +
`for \`getFieldDecorator\` will set \`${valuePropName}\`,` +
` please use \`option.initialValue\` instead.`
)
}
fieldMeta.originalProps = originalProps
fieldMeta.ref = fieldElem.ref
return cloneElement(fieldElem, {
...props,
...this.fieldsStore.getFieldValuePropValue(fieldMeta),
})
}
},
getFieldProps (name, usersFieldOption = {}) {
if (!name) {
throw new Error('Must call `getFieldProps` with valid name string!')
}
if (process.env.NODE_ENV !== 'production') {
warning(
this.fieldsStore.isValidNestedFieldName(name),
'One field name cannot be part of another, e.g. `a` and `a.b`.'
)
warning(
!('exclusive' in usersFieldOption),
'`option.exclusive` of `getFieldProps`|`getFieldDecorator` had been remove.'
)
}
delete this.clearedFieldMetaCache[name]
const fieldOption = {
name,
trigger: DEFAULT_TRIGGER,
valuePropName: 'value',
validate: [],
...usersFieldOption,
}
const {
rules,
trigger,
validateTrigger = trigger,
validate,
} = fieldOption
const fieldMeta = this.fieldsStore.getFieldMeta(name)
if ('initialValue' in fieldOption) {
fieldMeta.initialValue = fieldOption.initialValue
}
const inputProps = {
...this.fieldsStore.getFieldValuePropValue(fieldOption),
ref: this.getCacheBind(name, `${name}__ref`, this.saveRef),
}
if (fieldNameProp) {
inputProps[fieldNameProp] = name
}
const validateRules = normalizeValidateRules(validate, rules, validateTrigger)
const validateTriggers = getValidateTriggers(validateRules)
validateTriggers.forEach((action) => {
if (inputProps[action]) return
inputProps[action] = this.getCacheBind(name, action, this.onCollectValidate)
})
// make sure that the value will be collect
if (trigger && validateTriggers.indexOf(trigger) === -1) {
inputProps[trigger] = this.getCacheBind(name, trigger, this.onCollect)
}
const meta = {
...fieldMeta,
...fieldOption,
validate: validateRules,
}
this.fieldsStore.setFieldMeta(name, meta)
if (fieldMetaProp) {
inputProps[fieldMetaProp] = meta
}
if (fieldDataProp) {
inputProps[fieldDataProp] = this.fieldsStore.getField(name)
}
return inputProps
},
getFieldInstance (name) {
return this.instances[name]
},
getRules (fieldMeta, action) {
const actionRules = fieldMeta.validate.filter((item) => {
return !action || item.trigger.indexOf(action) >= 0
}).map((item) => item.rules)
return flattenArray(actionRules)
},
setFields (maybeNestedFields, callback) {
const fields = this.fieldsStore.flattenRegisteredFields(maybeNestedFields)
this.fieldsStore.setFields(fields)
if (onFieldsChange) {
const changedFields = Object.keys(fields)
.reduce((acc, name) => set(acc, name, this.fieldsStore.getField(name)), {})
onFieldsChange(this.props, changedFields, this.fieldsStore.getNestedAllFields())
}
this.forceUpdate(callback)
},
resetFields (ns) {
const newFields = this.fieldsStore.resetFields(ns)
if (Object.keys(newFields).length > 0) {
this.setFields(newFields)
}
if (ns) {
const names = Array.isArray(ns) ? ns : [ns]
names.forEach(name => delete this.clearedFieldMetaCache[name])
} else {
this.clearedFieldMetaCache = {}
}
},
setFieldsValue (changedValues, callback) {
const { fieldsMeta } = this.fieldsStore
const values = this.fieldsStore.flattenRegisteredFields(changedValues)
const newFields = Object.keys(values).reduce((acc, name) => {
const isRegistered = fieldsMeta[name]
if (process.env.NODE_ENV !== 'production') {
warning(
isRegistered,
'Cannot use `setFieldsValue` until ' +
'you use `getFieldDecorator` or `getFieldProps` to register it.'
)
}
if (isRegistered) {
const value = values[name]
acc[name] = {
value,
}
}
return acc
}, {})
this.setFields(newFields, callback)
if (onValuesChange) {
const allValues = this.fieldsStore.getAllValues()
onValuesChange(this.props, changedValues, allValues)
}
},
saveRef (name, _, component) {
if (!component) {
// after destroy, delete data
this.clearedFieldMetaCache[name] = {
field: this.fieldsStore.getField(name),
meta: this.fieldsStore.getFieldMeta(name),
}
this.fieldsStore.clearField(name)
delete this.instances[name]
delete this.cachedBind[name]
return
}
this.recoverClearedField(name)
const fieldMeta = this.fieldsStore.getFieldMeta(name)
if (fieldMeta) {
const ref = fieldMeta.ref
if (ref) {
if (typeof ref === 'string') {
throw new Error(`can not set ref string for ${name}`)
}
ref(component)
}
}
this.instances[name] = component
},
validateFieldsInternal (fields, {
fieldNames,
action,
options = {},
}, callback) {
const allRules = {}
const allValues = {}
const allFields = {}
const alreadyErrors = {}
fields.forEach((field) => {
const name = field.name
if (options.force !== true && field.dirty === false) {
if (field.errors) {
set(alreadyErrors, name, { errors: field.errors })
}
return
}
const fieldMeta = this.fieldsStore.getFieldMeta(name)
const newField = {
...field,
}
newField.errors = undefined
newField.validating = true
newField.dirty = true
allRules[name] = this.getRules(fieldMeta, action)
allValues[name] = newField.value
allFields[name] = newField
})
this.setFields(allFields)
// in case normalize
Object.keys(allValues).forEach((f) => {
allValues[f] = this.fieldsStore.getFieldValue(f)
})
if (callback && isEmptyObject(allFields)) {
callback(isEmptyObject(alreadyErrors) ? null : alreadyErrors,
this.fieldsStore.getFieldsValue(fieldNames))
return
}
const validator = new AsyncValidator(allRules)
if (validateMessages) {
validator.messages(validateMessages)
}
validator.validate(allValues, options, (errors) => {
const errorsGroup = {
...alreadyErrors,
}
if (errors && errors.length) {
errors.forEach((e) => {
const fieldName = e.field
const field = get(errorsGroup, fieldName)
if (typeof field !== 'object' || Array.isArray(field)) {
set(errorsGroup, fieldName, { errors: [] })
}
const fieldErrors = get(errorsGroup, fieldName.concat('.errors'))
fieldErrors.push(e)
})
}
const expired = []
const nowAllFields = {}
Object.keys(allRules).forEach((name) => {
const fieldErrors = get(errorsGroup, name)
const nowField = this.fieldsStore.getField(name)
// avoid concurrency problems
if (nowField.value !== allValues[name]) {
expired.push({
name,
})
} else {
nowField.errors = fieldErrors && fieldErrors.errors
nowField.value = allValues[name]
nowField.validating = false
nowField.dirty = false
nowAllFields[name] = nowField
}
})
this.setFields(nowAllFields)
if (callback) {
if (expired.length) {
expired.forEach(({ name }) => {
const fieldErrors = [{
message: `${name} need to revalidate`,
field: name,
}]
set(errorsGroup, name, {
expired: true,
errors: fieldErrors,
})
})
}
callback(isEmptyObject(errorsGroup) ? null : errorsGroup,
this.fieldsStore.getFieldsValue(fieldNames))
}
})
},
validateFields (ns, opt, cb) {
const { names, callback, options } = getParams(ns, opt, cb)
const fieldNames = names
? this.fieldsStore.getValidFieldsFullName(names)
: this.fieldsStore.getValidFieldsName()
const fields = fieldNames
.filter(name => {
const fieldMeta = this.fieldsStore.getFieldMeta(name)
return hasRules(fieldMeta.validate)
}).map((name) => {
const field = this.fieldsStore.getField(name)
field.value = this.fieldsStore.getFieldValue(name)
return field
})
if (!fields.length) {
if (callback) {
callback(null, this.fieldsStore.getFieldsValue(fieldNames))
}
return
}
if (!('firstFields' in options)) {
options.firstFields = fieldNames.filter((name) => {
const fieldMeta = this.fieldsStore.getFieldMeta(name)
return !!fieldMeta.validateFirst
})
}
this.validateFieldsInternal(fields, {
fieldNames,
options,
}, callback)
},
isSubmitting () {
if (process.env.NODE_ENV !== 'production' && process.env.NODE_ENV !== 'test') {
warning(
false,
'`isSubmitting` is deprecated. ' +
'Actually, it\'s more convenient to handle submitting status by yourself.'
)
}
return this.state.submitting
},
submit (callback) {
if (process.env.NODE_ENV !== 'production' && process.env.NODE_ENV !== 'test') {
warning(
false,
'`submit` is deprecated.' +
'Actually, it\'s more convenient to handle submitting status by yourself.'
)
}
const fn = () => {
this.setState({
submitting: false,
})
}
this.setState({
submitting: true,
})
callback(fn)
},
render () {
const { wrappedComponentRef, ...restProps } = this.props
const formProps = {
[formPropName]: this.getForm(),
}
if (withRef) {
if (process.env.NODE_ENV !== 'production' && process.env.NODE_ENV !== 'test') {
warning(
false,
'`withRef` is deprecated, please use `wrappedComponentRef` instead. ' +
'See: https://github.com/react-component/form#note-use-wrappedcomponentref-instead-of-withref-after-rc-form140'
)
}
formProps.ref = 'wrappedComponent'
} else if (wrappedComponentRef) {
formProps.ref = wrappedComponentRef
}
const props = mapProps.call(this, {
...formProps,
...restProps,
})
return <WrappedComponent {...props}/>
},
})
return argumentContainer(Form, WrappedComponent)
}
}
export default createBaseForm

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import scrollIntoView from 'dom-scroll-into-view'
import has from 'lodash/has'
import createBaseForm from './createBaseForm'
import { mixin as formMixin } from './createForm'
import { getParams } from './utils'
function computedStyle (el, prop) {
const getComputedStyle = window.getComputedStyle
const style =
// If we have getComputedStyle
getComputedStyle
// Query it
// TODO: From CSS-Query notes, we might need (node, null) for FF
? getComputedStyle(el)
// Otherwise, we are in IE and use currentStyle
: el.currentStyle
if (style) {
return style[
// Switch to camelCase for CSSOM
// DEV: Grabbed from jQuery
// https://github.com/jquery/jquery/blob/1.9-stable/src/css.js#L191-L194
// https://github.com/jquery/jquery/blob/1.9-stable/src/core.js#L593-L597
prop.replace(/-(\w)/gi, (word, letter) => {
return letter.toUpperCase()
})
]
}
return undefined
}
function getScrollableContainer (n) {
let node = n
let nodeName
/* eslint no-cond-assign:0 */
while ((nodeName = node.nodeName.toLowerCase()) !== 'body') {
const overflowY = computedStyle(node, 'overflowY')
// https://stackoverflow.com/a/36900407/3040605
if (
node !== n &&
(overflowY === 'auto' || overflowY === 'scroll') &&
node.scrollHeight > node.clientHeight
) {
return node
}
node = node.parentNode
}
return nodeName === 'body' ? node.ownerDocument : node
}
const mixin = {
getForm () {
return {
...formMixin.getForm.call(this),
validateFieldsAndScroll: this.validateFieldsAndScroll,
}
},
validateFieldsAndScroll (ns, opt, cb) {
const { names, callback, options } = getParams(ns, opt, cb)
const newCb = (error, values) => {
if (error) {
const validNames = this.fieldsStore.getValidFieldsName()
let firstNode
let firstTop
for (const name of validNames) {
if (has(error, name)) {
const instance = this.getFieldInstance(name)
if (instance) {
const node = instance.$el
const top = node.getBoundingClientRect().top
if (firstTop === undefined || firstTop > top) {
firstTop = top
firstNode = node
}
}
}
}
if (firstNode) {
const c = options.container || getScrollableContainer(firstNode)
scrollIntoView(firstNode, c, {
onlyScrollIfNeeded: true,
...options.scroll,
})
}
}
if (typeof callback === 'function') {
callback(error, values)
}
}
return this.validateFields(names, options, newCb)
},
}
function createDOMForm (option) {
return createBaseForm({
...option,
}, [mixin])
}
export default createDOMForm

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import set from 'lodash/set'
import createFormField, { isFormField } from './createFormField'
import {
flattenFields,
getErrorStrs,
startsWith,
} from './utils'
function partOf (a, b) {
return b.indexOf(a) === 0 && ['.', '['].indexOf(b[a.length]) !== -1
}
class FieldsStore {
constructor (fields) {
this.fields = this.flattenFields(fields)
this.fieldsMeta = {}
}
updateFields (fields) {
this.fields = this.flattenFields(fields)
}
flattenFields (fields) {
return flattenFields(
fields,
(_, node) => isFormField(node),
'You must wrap field data with `createFormField`.'
)
}
flattenRegisteredFields (fields) {
const validFieldsName = this.getAllFieldsName()
return flattenFields(
fields,
path => validFieldsName.indexOf(path) >= 0,
'You cannot set field before registering it.'
)
}
setFieldsInitialValue = (initialValues) => {
const flattenedInitialValues = this.flattenRegisteredFields(initialValues)
const fieldsMeta = this.fieldsMeta
Object.keys(flattenedInitialValues).forEach(name => {
if (fieldsMeta[name]) {
this.setFieldMeta(name, {
...this.getFieldMeta(name),
initialValue: flattenedInitialValues[name],
})
}
})
}
setFields (fields) {
const fieldsMeta = this.fieldsMeta
const nowFields = {
...this.fields,
...fields,
}
const nowValues = {}
Object.keys(fieldsMeta)
.forEach((f) => { nowValues[f] = this.getValueFromFields(f, nowFields) })
Object.keys(nowValues).forEach((f) => {
const value = nowValues[f]
const fieldMeta = this.getFieldMeta(f)
if (fieldMeta && fieldMeta.normalize) {
const nowValue =
fieldMeta.normalize(value, this.getValueFromFields(f, this.fields), nowValues)
if (nowValue !== value) {
nowFields[f] = {
...nowFields[f],
value: nowValue,
}
}
}
})
this.fields = nowFields
}
resetFields (ns) {
const { fields } = this
const names = ns
? this.getValidFieldsFullName(ns)
: this.getAllFieldsName()
return names.reduce((acc, name) => {
const field = fields[name]
if (field && 'value' in field) {
acc[name] = {}
}
return acc
}, {})
}
setFieldMeta (name, meta) {
this.fieldsMeta[name] = meta
}
getFieldMeta (name) {
this.fieldsMeta[name] = this.fieldsMeta[name] || {}
return this.fieldsMeta[name]
}
getValueFromFields (name, fields) {
const field = fields[name]
if (field && 'value' in field) {
return field.value
}
const fieldMeta = this.getFieldMeta(name)
return fieldMeta && fieldMeta.initialValue
}
getAllValues = () => {
const { fieldsMeta, fields } = this
return Object.keys(fieldsMeta)
.reduce((acc, name) => set(acc, name, this.getValueFromFields(name, fields)), {})
}
getValidFieldsName () {
const { fieldsMeta } = this
return fieldsMeta
? Object.keys(fieldsMeta).filter(name => !this.getFieldMeta(name).hidden)
: []
}
getAllFieldsName () {
const { fieldsMeta } = this
return fieldsMeta ? Object.keys(fieldsMeta) : []
}
getValidFieldsFullName (maybePartialName) {
const maybePartialNames = Array.isArray(maybePartialName)
? maybePartialName : [maybePartialName]
return this.getValidFieldsName()
.filter(fullName => maybePartialNames.some(partialName => (
fullName === partialName || (
startsWith(fullName, partialName) &&
['.', '['].indexOf(fullName[partialName.length]) >= 0
)
)))
}
getFieldValuePropValue (fieldMeta) {
const { name, getValueProps, valuePropName } = fieldMeta
const field = this.getField(name)
const fieldValue = 'value' in field
? field.value : fieldMeta.initialValue
if (getValueProps) {
return getValueProps(fieldValue)
}
return { [valuePropName]: fieldValue }
}
getField (name) {
return {
...this.fields[name],
name,
}
}
getNotCollectedFields () {
return this.getValidFieldsName()
.filter(name => !this.fields[name])
.map(name => ({
name,
dirty: false,
value: this.getFieldMeta(name).initialValue,
}))
.reduce((acc, field) => set(acc, field.name, createFormField(field)), {})
}
getNestedAllFields () {
return Object.keys(this.fields)
.reduce(
(acc, name) => set(acc, name, createFormField(this.fields[name])),
this.getNotCollectedFields()
)
}
getFieldMember (name, member) {
return this.getField(name)[member]
}
getNestedFields (names, getter) {
const fields = names || this.getValidFieldsName()
return fields.reduce((acc, f) => set(acc, f, getter(f)), {})
}
getNestedField (name, getter) {
const fullNames = this.getValidFieldsFullName(name)
if (
fullNames.length === 0 || // Not registered
(fullNames.length === 1 && fullNames[0] === name) // Name already is full name.
) {
return getter(name)
}
const isArrayValue = fullNames[0][name.length] === '['
const suffixNameStartIndex = isArrayValue ? name.length : name.length + 1
return fullNames
.reduce(
(acc, fullName) => set(
acc,
fullName.slice(suffixNameStartIndex),
getter(fullName)
),
isArrayValue ? [] : {}
)
}
getFieldsValue = (names) => {
return this.getNestedFields(names, this.getFieldValue)
}
getFieldValue = (name) => {
const { fields } = this
return this.getNestedField(name, (fullName) => this.getValueFromFields(fullName, fields))
}
getFieldsError = (names) => {
return this.getNestedFields(names, this.getFieldError)
}
getFieldError = (name) => {
return this.getNestedField(
name,
(fullName) => getErrorStrs(this.getFieldMember(fullName, 'errors'))
)
}
isFieldValidating = (name) => {
return this.getFieldMember(name, 'validating')
}
isFieldsValidating = (ns) => {
const names = ns || this.getValidFieldsName()
return names.some((n) => this.isFieldValidating(n))
}
isFieldTouched = (name) => {
return this.getFieldMember(name, 'touched')
}
isFieldsTouched = (ns) => {
const names = ns || this.getValidFieldsName()
return names.some((n) => this.isFieldTouched(n))
}
// @private
// BG: `a` and `a.b` cannot be use in the same form
isValidNestedFieldName (name) {
const names = this.getAllFieldsName()
return names.every(n => !partOf(n, name) && !partOf(name, n))
}
clearField (name) {
delete this.fields[name]
delete this.fieldsMeta[name]
}
}
export default function createFieldsStore (fields) {
return new FieldsStore(fields)
}

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import createBaseForm from './createBaseForm'
export const mixin = {
getForm () {
return {
getFieldsValue: this.fieldsStore.getFieldsValue,
getFieldValue: this.fieldsStore.getFieldValue,
getFieldInstance: this.getFieldInstance,
setFieldsValue: this.setFieldsValue,
setFields: this.setFields,
setFieldsInitialValue: this.fieldsStore.setFieldsInitialValue,
getFieldDecorator: this.getFieldDecorator,
getFieldProps: this.getFieldProps,
getFieldsError: this.fieldsStore.getFieldsError,
getFieldError: this.fieldsStore.getFieldError,
isFieldValidating: this.fieldsStore.isFieldValidating,
isFieldsValidating: this.fieldsStore.isFieldsValidating,
isFieldsTouched: this.fieldsStore.isFieldsTouched,
isFieldTouched: this.fieldsStore.isFieldTouched,
isSubmitting: this.isSubmitting,
submit: this.submit,
validateFields: this.validateFields,
resetFields: this.resetFields,
}
},
}
function createForm (options) {
return createBaseForm(options, [mixin])
}
export default createForm

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class Field {
constructor (fields) {
Object.assign(this, fields)
}
}
export function isFormField (obj) {
return obj instanceof Field
}
export default function createFormField (field) {
if (isFormField(field)) {
return field
}
return new Field(field)
}

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// export this package's api
import createForm from './createForm'
import createFormField from './createFormField'
import formShape from './propTypes'
export { createForm, createFormField, formShape }

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import PropTypes from '../../_util/vue-types'
const formShape = PropTypes.shape({
getFieldsValue: PropTypes.func,
getFieldValue: PropTypes.func,
getFieldInstance: PropTypes.func,
setFieldsValue: PropTypes.func,
setFields: PropTypes.func,
setFieldsInitialValue: PropTypes.func,
getFieldDecorator: PropTypes.func,
getFieldProps: PropTypes.func,
getFieldsError: PropTypes.func,
getFieldError: PropTypes.func,
isFieldValidating: PropTypes.func,
isFieldsValidating: PropTypes.func,
isFieldsTouched: PropTypes.func,
isFieldTouched: PropTypes.func,
isSubmitting: PropTypes.func,
submit: PropTypes.func,
validateFields: PropTypes.func,
resetFields: PropTypes.func,
}).loose
export default formShape

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import hoistStatics from 'hoist-non-react-statics'
function getDisplayName (WrappedComponent) {
return WrappedComponent.displayName || WrappedComponent.name || 'WrappedComponent'
}
export function argumentContainer (Container, WrappedComponent) {
/* eslint no-param-reassign:0 */
Container.displayName = `Form(${getDisplayName(WrappedComponent)})`
Container.WrappedComponent = WrappedComponent
return hoistStatics(Container, WrappedComponent)
}
export function identity (obj) {
return obj
}
export function flattenArray (arr) {
return Array.prototype.concat.apply([], arr)
}
export function treeTraverse (path = '', tree, isLeafNode, errorMessage, callback) {
if (isLeafNode(path, tree)) {
callback(path, tree)
} else if (tree === undefined) {
return
} else if (Array.isArray(tree)) {
tree.forEach((subTree, index) => treeTraverse(
`${path}[${index}]`,
subTree,
isLeafNode,
errorMessage,
callback
))
} else { // It's object and not a leaf node
if (typeof tree !== 'object') {
console.error(errorMessage)
return
}
Object.keys(tree).forEach(subTreeKey => {
const subTree = tree[subTreeKey]
treeTraverse(
`${path}${path ? '.' : ''}${subTreeKey}`,
subTree,
isLeafNode,
errorMessage,
callback
)
})
}
}
export function flattenFields (maybeNestedFields, isLeafNode, errorMessage) {
const fields = {}
treeTraverse(undefined, maybeNestedFields, isLeafNode, errorMessage, (path, node) => {
fields[path] = node
})
return fields
}
export function normalizeValidateRules (validate, rules, validateTrigger) {
const validateRules = validate.map((item) => {
const newItem = {
...item,
trigger: item.trigger || [],
}
if (typeof newItem.trigger === 'string') {
newItem.trigger = [newItem.trigger]
}
return newItem
})
if (rules) {
validateRules.push({
trigger: validateTrigger ? [].concat(validateTrigger) : [],
rules,
})
}
return validateRules
}
export function getValidateTriggers (validateRules) {
return validateRules
.filter(item => !!item.rules && item.rules.length)
.map(item => item.trigger)
.reduce((pre, curr) => pre.concat(curr), [])
}
export function getValueFromEvent (e) {
// To support custom element
if (!e || !e.target) {
return e
}
const { target } = e
return target.type === 'checkbox' ? target.checked : target.value
}
export function getErrorStrs (errors) {
if (errors) {
return errors.map((e) => {
if (e && e.message) {
return e.message
}
return e
})
}
return errors
}
export function getParams (ns, opt, cb) {
let names = ns
let options = opt
let callback = cb
if (cb === undefined) {
if (typeof names === 'function') {
callback = names
options = {}
names = undefined
} else if (Array.isArray(names)) {
if (typeof options === 'function') {
callback = options
options = {}
} else {
options = options || {}
}
} else {
callback = options
options = names || {}
names = undefined
}
}
return {
names,
options,
callback,
}
}
export function isEmptyObject (obj) {
return Object.keys(obj).length === 0
}
export function hasRules (validate) {
if (validate) {
return validate.some((item) => {
return item.rules && item.rules.length
})
}
return false
}
export function startsWith (str, prefix) {
return str.lastIndexOf(prefix, 0) === 0
}