回答編集履歴
3
変数名をわかりやすく変更
test
CHANGED
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@@ -174,17 +174,17 @@
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const file = invoices.reduce((data,
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const file = invoices.reduce((data, currentInvoice) => {
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const item = preFile.flatMap(({ invoice_code, file_code, file_name }) =>
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// invoiceが対応しているアイテムのキー名を変えて新しいオブジェクトとして返す
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currentInvoice === invoice_code ? { value: file_code, label: file_name } : []
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)
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return { ...data, [
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return { ...data, [currentInvoice]: item }
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}, {})
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@@ -204,7 +204,7 @@
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// invoiceが対応しているアイテムのキー名を変えて新しいオブジェクトとして返す
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currentInvoice === invoice_code ? { value: file_code, label: file_name } : []
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@@ -214,7 +214,7 @@
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```JavaScript
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const item = preFile.filter(({ invoice_code }) =>
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const item = preFile.filter(({ invoice_code }) => currentInvoice === invoice_code).map(({ file_code, file_name }) => ({ value: file_code, label: file_name }))
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```
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2
読みやすく順番を編集
test
CHANGED
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@@ -2,6 +2,200 @@
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[動作デモ](https://codesandbox.io/s/funny-wozniak-8wyww?file=/src/index.js)
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```JavaScript
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// API
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const response = {
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invoice: [
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{
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invoice_code: "0000001",
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invoice_name: "請求書A"
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},
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{
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invoice_code: "0000002",
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invoice_name: "請求書B"
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},
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{
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invoice_code: "0000003",
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invoice_name: "請求書C"
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},
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{
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invoice_code: "0000004",
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invoice_name: "請求書D"
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}
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],
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file: [
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{
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invoice_code: "0000001",
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file_code: "0000001",
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file_name: "ファイル"
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},
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{
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invoice_code: "0000001",
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file_code: "0000002",
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file_name: "ファイルa"
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},
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{
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invoice_code: "0000001",
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file_code: "0000003",
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file_name: "ファイルb"
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},
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{
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invoice_code: "0000001",
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file_code: "0000004",
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file_name: "ファイルc"
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},
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{
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invoice_code: "0000001",
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file_code: "0000005",
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file_name: "ファイルd"
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},
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{
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invoice_code: "0000002",
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file_code: "0000009",
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file_name: "請求書Bファイル１"
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},
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{
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invoice_code: "0000002",
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file_code: "0000010",
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file_name: "請求書Bファイル２"
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},
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{
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invoice_code: "0000003",
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file_code: "0000011",
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file_name: "請求書Cファイル１"
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},
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{
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invoice_code: "0000003",
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file_code: "0000012",
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file_name: "請求書Cファイル２"
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},
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{
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invoice_code: "0000002",
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file_code: "0000013",
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file_name: "TLファイル１"
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},
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{
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invoice_code: "0000004",
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file_code: "0000014",
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file_name: "請求書00用ファイル"
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}
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]
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}
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const { invoice, file: preFile } = response
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// 存在するinvoiceのリスト
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const invoices = invoice.map(({ invoice_code }) => invoice_code)
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const file = invoices.reduce((data, invoice) => {
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const item = preFile.flatMap(({ invoice_code, file_code, file_name }) =>
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// invoiceが対応しているアイテムのキー名を変えて新しいオブジェクトとして返す
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182
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183
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invoice === invoice_code ? { value: file_code, label: file_name } : []
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)
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return { ...data, [invoice]: item }
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}, {})
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console.log(file)
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```
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5
199
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※`flatMap`の部分は`map`と`filter`をそれぞれ使っても良いと思います。
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200
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201
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```JavaScript
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@@ -25,201 +219,3 @@
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25
219
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```
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と同じ。
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[動作デモ](https://codesandbox.io/s/funny-wozniak-8wyww?file=/src/index.js)
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```JavaScript
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// API
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const response = {
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invoice: [
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{
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invoice_code: "0000001",
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invoice_name: "請求書A"
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},
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invoice_code: "0000002",
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invoice_name: "請求書B"
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invoice_code: "0000003",
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invoice_name: "請求書C"
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invoice_code: "0000004",
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invoice_name: "請求書D"
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}
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],
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file: [
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{
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invoice_code: "0000001",
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file_code: "0000001",
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file_name: "ファイル"
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},
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invoice_code: "0000001",
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file_code: "0000002",
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file_name: "ファイルa"
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{
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invoice_code: "0000001",
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file_code: "0000003",
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file_name: "ファイルb"
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invoice_code: "0000001",
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file_code: "0000004",
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file_name: "ファイルc"
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invoice_code: "0000001",
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file_code: "0000005",
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file_name: "ファイルd"
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invoice_code: "0000002",
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file_code: "0000009",
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file_name: "請求書Bファイル１"
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},
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{
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invoice_code: "0000002",
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file_code: "0000010",
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file_name: "請求書Bファイル２"
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},
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{
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invoice_code: "0000003",
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file_code: "0000011",
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file_name: "請求書Cファイル１"
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},
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{
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invoice_code: "0000003",
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file_code: "0000012",
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file_name: "請求書Cファイル２"
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},
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{
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invoice_code: "0000002",
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file_code: "0000013",
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file_name: "TLファイル１"
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},
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{
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invoice_code: "0000004",
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file_code: "0000014",
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file_name: "請求書00用ファイル"
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}
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]
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}
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const { invoice, file: preFile } = response
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// 存在するinvoiceのリスト
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|
200
|
-
|
|
201
|
-
const invoices = invoice.map(({ invoice_code }) => invoice_code)
|
|
202
|
-
|
|
203
|
-
|
|
204
|
-
|
|
205
|
-
const file = invoices.reduce((data, invoice) => {
|
|
206
|
-
|
|
207
|
-
const item = preFile.flatMap(({ invoice_code, file_code, file_name }) =>
|
|
208
|
-
|
|
209
|
-
// invoiceが対応しているアイテムのキー名を変えて新しいオブジェクトとして返す
|
|
210
|
-
|
|
211
|
-
invoice === invoice_code ? { value: file_code, label: file_name } : []
|
|
212
|
-
|
|
213
|
-
)
|
|
214
|
-
|
|
215
|
-
return { ...data, [invoice]: item }
|
|
216
|
-
|
|
217
|
-
}, {})
|
|
218
|
-
|
|
219
|
-
|
|
220
|
-
|
|
221
|
-
console.log(file)
|
|
222
|
-
|
|
223
|
-
|
|
224
|
-
|
|
225
|
-
```
|
1
内容の補足
test
CHANGED
|
@@ -4,12 +4,36 @@
|
|
|
4
4
|
|
|
5
5
|
※`flatMap`の部分は`map`と`filter`をそれぞれ使っても良いと思います。
|
|
6
6
|
|
|
7
|
+
```JavaScript
|
|
8
|
+
|
|
9
|
+
const item = preFile.flatMap(({ invoice_code, file_code, file_name }) =>
|
|
10
|
+
|
|
11
|
+
// invoiceが対応しているアイテムのキー名を変えて新しいオブジェクトとして返す
|
|
12
|
+
|
|
13
|
+
invoice === invoice_code ? { value: file_code, label: file_name } : []
|
|
14
|
+
|
|
15
|
+
)
|
|
16
|
+
|
|
17
|
+
```
|
|
18
|
+
|
|
19
|
+
は
|
|
20
|
+
|
|
21
|
+
```JavaScript
|
|
22
|
+
|
|
23
|
+
const item = preFile.filter(({ invoice_code }) => invoice === invoice_code).map(({ file_code, file_name }) => ({ value: file_code, label: file_name }))
|
|
24
|
+
|
|
25
|
+
```
|
|
26
|
+
|
|
27
|
+
と同じ。
|
|
28
|
+
|
|
29
|
+
|
|
30
|
+
|
|
31
|
+
|
|
32
|
+
|
|
7
33
|
|
|
8
34
|
|
|
9
35
|
[動作デモ](https://codesandbox.io/s/funny-wozniak-8wyww?file=/src/index.js)
|
|
10
36
|
|
|
11
|
-
|
|
12
|
-
|
|
13
37
|
```JavaScript
|
|
14
38
|
|
|
15
39
|
// API
|