refactor, fetch abort

src/components/Sponsor/Web3Donation/components/Conversion/Conversion.tsx

@@ -1,6 +1,6 @@
-import { type ReactElement } from 'react'
+import { useEffect, type ReactElement, useState } from 'react'
 import styles from './Conversion.module.css'
-import type { GetToken } from '../../api/getTokens'
+import type { GetToken } from '../../hooks/useTokens'
 
 export function Conversion({
   amount,
@@ -9,12 +9,25 @@ export function Conversion({
   amount: string
   token: GetToken | undefined
 }): ReactElement {
-  const dollar = token?.price?.usd
+  const [dollar, setDollar] = useState('0.00')
-    ? (Number(amount) * token?.price?.usd).toFixed(2)
+  const [euro, setEuro] = useState('0.00')
-    : '0.00'
+
-  const euro = token?.price?.eur
+  useEffect(() => {
-    ? (Number(amount) * token?.price?.eur).toFixed(2)
+    if (!token?.price || !amount) {
-    : '0.00'
+      setDollar('0.00')
+      setEuro('0.00')
+      return
+    }
+
+    const dollar = token?.price?.usd
+      ? (Number(amount) * token?.price?.usd).toFixed(2)
+      : '0.00'
+    const euro = token?.price?.eur
+      ? (Number(amount) * token?.price?.eur).toFixed(2)
+      : '0.00'
+    setDollar(dollar)
+    setEuro(euro)
+  }, [token?.price, amount])
 
   return (
     <div className={styles.conversion}>

src/components/Sponsor/Web3Donation/components/Input/InputGroup.tsx

@@ -4,7 +4,7 @@ import { Conversion } from '../Conversion'
 import styles from './InputGroup.module.css'
 import { TokenSelect } from '../Tokens'
 import config from '@config/blog.config'
-import type { GetToken } from '../../api/getTokens'
+import type { GetToken } from '../../hooks/useTokens'
 
 export function InputGroup({
   amount,
@@ -23,7 +23,10 @@ export function InputGroup({
     <>
       <div className={styles.inputGroup}>
         <div className={styles.token}>
-          <TokenSelect setTokenSelected={setTokenSelected} />
+          <TokenSelect
+            selectedToken={token}
+            setTokenSelected={setTokenSelected}
+          />
         </div>
         <Input
           type="text"

src/components/Sponsor/Web3Donation/components/Send/SendErc20.tsx

@@ -1,7 +1,7 @@
 import { parseEther } from 'viem'
 import { useContractWrite, usePrepareContractWrite } from 'wagmi'
 import siteConfig from '@config/blog.config'
-import { abi } from './abi'
+import { abiErc20Transfer } from './abiErc20Transfer'
 import { useEffect } from 'react'
 
 export function SendErc20({
@@ -15,7 +15,7 @@ export function SendErc20({
 }) {
   const { config } = usePrepareContractWrite({
     address: tokenAddress,
-    abi,
+    abi: abiErc20Transfer,
     functionName: 'transfer',
     args: [siteConfig.author.ether, parseEther(amount)]
   })

src/components/Sponsor/Web3Donation/components/Send/abiErc20Transfer.ts

@@ -1,4 +1,4 @@
-export const abi = [
+export const abiErc20Transfer = [
   {
     constant: false,
     inputs: [

src/components/Sponsor/Web3Donation/components/Tokens/Token.tsx

@@ -3,7 +3,7 @@ import * as Select from '@radix-ui/react-select'
 import { formatCurrency } from '@coingecko/cryptoformat'
 import './Token.css'
 import { Check } from '@images/components/react'
-import type { GetToken } from '../../api/getTokens'
+import type { GetToken } from '../../hooks/useTokens'
 
 interface SelectItemProps extends HTMLAttributes<HTMLDivElement> {
   token: GetToken | undefined

src/components/Sponsor/Web3Donation/components/Tokens/TokenSelect.tsx

@@ -2,17 +2,22 @@ import * as Select from '@radix-ui/react-select'
 import './TokenSelect.css'
 import { Token } from './Token'
 import { ChevronDown, ChevronsDown, ChevronsUp } from '@images/components/react'
-import { useTokens } from '../../hooks/useTokens'
+import { useTokens } from '../../hooks/useTokens/useTokens'
 import { TokenLoading } from './TokenLoading'
-import type { GetToken } from '../../api/getTokens'
 import { useEffect } from 'react'
+import type { GetToken } from '../../hooks/useTokens'
+import { useAccount, useNetwork } from 'wagmi'
 
 export function TokenSelect({
+  selectedToken,
   setTokenSelected
 }: {
+  selectedToken: GetToken | undefined
   setTokenSelected: React.Dispatch<React.SetStateAction<GetToken>>
 }) {
   const { data: tokens, isLoading } = useTokens()
+  const { chain } = useNetwork()
+  const { address } = useAccount()
 
   const items = tokens?.map((token) => (
     <Token key={token.address} token={token} />
@@ -24,12 +29,16 @@ export function TokenSelect({
     setTokenSelected(token)
   }
 
-  // set default token data
+  // Set default token data to native token
-  useEffect(() => handleValueChange('0x0'), [])
+  useEffect(() => {
+    if (!chain?.id || !address || !tokens) return
 
-  return tokens ? (
+    handleValueChange('0x0')
+  }, [chain?.id, address, tokens])
+
+  return (
     <Select.Root
-      defaultValue={tokens?.[0].address}
+      defaultValue={selectedToken?.address}
       onValueChange={(value: `0x${string}`) => handleValueChange(value)}
       disabled={!tokens || isLoading}
     >
@@ -63,5 +72,5 @@ export function TokenSelect({
         </Select.Content>
       </Select.Portal>
     </Select.Root>
-  ) : null
+  )
 }

src/components/Sponsor/Web3Donation/hooks/useTokens/getTokens.ts

@@ -1,26 +1,15 @@
-export type GetToken = {
+import type { GetToken } from './types'
-  address: `0x${string}`
-  balance: number | undefined
-  chainId: number
-  name: string | null
-  symbol: string | null
-  decimals: number | null
-  logo: string | null
-  price: {
-    usd: number | null
-    eur: number | null
-  }
-}
 
 export async function getTokens(
   address: `0x${string}`,
-  chainId: number
+  chainId: number,
+  signal?: AbortSignal
 ): Promise<GetToken[]> {
   if (!address || !chainId) return []
 
   // const url = `http://localhost:3000/api/balance?address=${address}&chainId=${chainId}`
   const url = `https://web3.kremalicious.com/api/balance?address=${address}&chainId=${chainId}`
-  const response = await fetch(url)
+  const response = await fetch(url, { signal })
   const json: GetToken[] = await response.json()
 
   if (!json) console.error(response.statusText)

src/components/Sponsor/Web3Donation/hooks/useTokens/index.tsx

@@ -0,0 +1,2 @@
+export * from './useTokens'
+export * from './types'

src/components/Sponsor/Web3Donation/hooks/useTokens/types.ts

@@ -0,0 +1,13 @@
+export type GetToken = {
+  address: `0x${string}`
+  balance: number | undefined
+  chainId: number
+  name: string | null
+  symbol: string | null
+  decimals: number | null
+  logo: string | null
+  price: {
+    usd: number | null
+    eur: number | null
+  }
+}

src/components/Sponsor/Web3Donation/hooks/useTokens/useTokens.tsx

@@ -1,6 +1,7 @@
 import { useState, useEffect } from 'react'
 import { useAccount, useNetwork } from 'wagmi'
-import { getTokens, type GetToken } from '../api/getTokens'
+import { getTokens } from './getTokens'
+import type { GetToken } from './types'
 
 export function useTokens() {
   const { address } = useAccount()
@@ -11,23 +12,35 @@ export function useTokens() {
   const [isError, setIsError] = useState<boolean>()
 
   useEffect(() => {
+    const abortController = new AbortController()
+    const { signal } = abortController
+
     async function init() {
-      if (!address || !chain) return
+      if (!address || !chain?.id) return
 
       setIsLoading(true)
 
       try {
-        const tokens = await getTokens(address, chain.id)
+        const tokens = await getTokens(address, chain.id, signal)
         setData(tokens)
         setIsLoading(false)
-      } catch (error) {
+      } catch (error: any) {
         setIsError(true)
         setIsLoading(false)
-        console.error((error as Error).message)
+        if ((error as Error).name !== 'AbortError') {
+          console.error((error as Error).message)
+        }
       }
     }
     init()
-  }, [address, chain])
+
+    return () => {
+      abortController.abort()
+      setData(undefined)
+      setIsLoading(undefined)
+      setIsError(undefined)
+    }
+  }, [address, chain?.id])
 
   return { data, isLoading, isError }
 }

src/components/Sponsor/Web3Donation/index.tsx

@@ -6,7 +6,7 @@ import Alert, { getTransactionMessage } from './components/Alert/Alert'
 import { InputGroup } from './components/Input'
 import styles from './index.module.css'
 import { SendNative, SendErc20 } from './components/Send'
-import type { GetToken } from './api/getTokens'
+import type { GetToken } from './hooks/useTokens'
 
 export default function Web3Donation(): ReactElement {
   const { address: account } = useAccount()