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Merged
merged 5 commits into from
Jul 8, 2021
Merged

chore(mapDispatchToProps): port to typescript #1760

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d9200e1
chore(mapDispatchToProps): port to typescript
tony-go Jul 7, 2021
b1e300f
chore: resolve conflicts
tony-go Jul 7, 2021
86f3f91
Merge branch 'typescript-port' into ts-port-mdtp
tony-go Jul 7, 2021
5331a1e
fix: types
tony-go Jul 8, 2021
eb87735
fix: add FixTypeLater
tony-go Jul 8, 2021
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18 changes: 13 additions & 5 deletions src/connect/mapDispatchToProps.js → src/connect/mapDispatchToProps.ts
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Original file line number Diff line number Diff line change
@@ -1,21 +1,29 @@
import { ActionCreatorsMapObject, Dispatch } from 'redux'
import { FixTypeLater } from '../types'
import bindActionCreators from '../utils/bindActionCreators'
import { wrapMapToPropsConstant, wrapMapToPropsFunc } from './wrapMapToProps'

export function whenMapDispatchToPropsIsFunction(mapDispatchToProps) {
export function whenMapDispatchToPropsIsFunction(
mapDispatchToProps: ActionCreatorsMapObject | FixTypeLater
) {
return typeof mapDispatchToProps === 'function'
? wrapMapToPropsFunc(mapDispatchToProps, 'mapDispatchToProps')
: undefined
}

export function whenMapDispatchToPropsIsMissing(mapDispatchToProps) {
export function whenMapDispatchToPropsIsMissing(mapDispatchToProps: undefined) {
return !mapDispatchToProps
? wrapMapToPropsConstant((dispatch) => ({ dispatch }))
? wrapMapToPropsConstant((dispatch: Dispatch) => ({
dispatch,
}))
: undefined
}

export function whenMapDispatchToPropsIsObject(mapDispatchToProps) {
export function whenMapDispatchToPropsIsObject(
mapDispatchToProps: ActionCreatorsMapObject
) {
return mapDispatchToProps && typeof mapDispatchToProps === 'object'
? wrapMapToPropsConstant((dispatch) =>
? wrapMapToPropsConstant((dispatch: Dispatch) =>
bindActionCreators(mapDispatchToProps, dispatch)
)
: undefined
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10 changes: 8 additions & 2 deletions src/connect/wrapMapToProps.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { Dispatch } from 'redux'
import { ActionCreatorsMapObject, Dispatch, ActionCreator } from 'redux'

import { FixTypeLater } from '../types'
import verifyPlainObject from '../utils/verifyPlainObject'
Expand All @@ -20,7 +20,13 @@ export function wrapMapToPropsConstant(
// could be a dispatch function in some cases (ex: whenMapDispatchToPropsIsMissing)
// and a state object in some others (ex: whenMapStateToPropsIsMissing)
// eslint-disable-next-line no-unused-vars
getConstant: (dispatch: Dispatch) => { dispatch?: Dispatch }
getConstant: (dispatch: Dispatch) =>
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✋ This should probably be reworked to be more generic and flexible - maybe like:

getConstant: <T>(value: T) => ( () => T)

In other words, whatever you pass in, it returns a function that returns that thing.

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It doesn't match with the usage of wrapMapToPropsConstant made by whenMapDispatchToPropsIsMissing:

 wrapMapToPropsConstant((dispatch: Dispatch) => ({
      dispatch,
 }))

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Good point, it's not just a passthrough

| {
dispatch?: Dispatch
dependsOnOwnProps?: boolean
}
| ActionCreatorsMapObject
| ActionCreator<any>
) {
return function initConstantSelector(dispatch: Dispatch) {
const constant = getConstant(dispatch)
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5 changes: 3 additions & 2 deletions src/utils/bindActionCreators.ts
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Expand Up @@ -3,8 +3,9 @@ import { ActionCreatorsMapObject, Dispatch } from 'redux'
export default function bindActionCreators(
actionCreators: ActionCreatorsMapObject,
dispatch: Dispatch
) {
const boundActionCreators: ActionCreatorsMapObject<any> = {}
): ActionCreatorsMapObject {
const boundActionCreators: ActionCreatorsMapObject = {}

for (const key in actionCreators) {
const actionCreator = actionCreators[key]
if (typeof actionCreator === 'function') {
Expand Down