Commit68127d0

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Documents impact of partial actions

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Lines changed: 4 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -3,6 +3,8 @@ import * as redux from 'redux'`
`3`	`3`	`import{api}from'../api'`
`4`	`4`	`import*asstatefrom'../reducers/index'`
`5`	`5`
	`6`	`+// API actions contain details on the initial request and an eventual error or`
	`7`	`+// response`
`6`	`8`	`typeAPIAction<Q,S>={`
`7`	`9`	`request?:Q`
`8`	`10`	`response?:S`
`@@ -14,7 +16,8 @@ export type Action =`
`14`	`16`	`{type:'INCREMENT_COUNTER',delta:number}`
`15`	`17`	`\|{type:'RESET_COUNTER'}`
`16`	`18`
`17`		`-// API Requests`
	`19`	`+// API Requests implemented as partial actions`
	`20`	`+// See: https://goo.gl/FYWGpr`
`18`	`21`	`\|({type:'SAVE_COUNT'}&APIAction<{value:number},{}>)`
`19`	`22`	`\|({type:'LOAD_COUNT'}&APIAction<undefined,{value:number}>)`
`20`	`23`

Lines changed: 5 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -13,6 +13,9 @@ export type All = {`
`13`	`13`
`14`	`14`	`functionisSaving(state:boolean=false,action:Action):boolean{`
`15`	`15`	`if(action.type==='SAVE_COUNT'){`
	`16`	+// `SAVE_COUNT` is a partial action. We'll check its payload to determine
	`17`	`+// whether this instance describes its resolution.`
	`18`	`+// See: https://goo.gl/FYWGpr`
`16`	`19`	`return!action.response&&!action.error`
`17`	`20`	`}`
`18`	`21`	`returnstate`
`@@ -51,6 +54,8 @@ function counter (state: Counter = initialState, action: Action): Counter {`
`51`	`54`	`case'LOAD_COUNT':{`
`52`	`55`	`const{ response}=action`
`53`	`56`	`if(response){`
	`57`	+// If `response` is set, `LOAD_COUNT` is "resolved"
	`58`	`+// See: https://goo.gl/FYWGpr`
`54`	`59`	`return{value:response.value}`
`55`	`60`	`}`
`56`	`61`	`}`

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