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REF: debounce save action

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This commit is contained in:
Ivan Vershigora 2020-10-26 14:00:14 +03:00
parent 0a54ae0d7f
commit 1eafae3ca2
2 changed files with 14 additions and 15 deletions
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1
package.json
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@ -105,6 +105,7 @@
"eslint-plugin-standard": "4.0.1",
"events": "1.1.1",
"frisbee": "3.1.4",
"lodash": "4.17.20",
"lottie-ios": "3.1.8",
"lottie-react-native": "3.5.0",
"metro-react-native-babel-preset": "0.63.0",

28
screen/send/coinControl.js
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@ -1,5 +1,6 @@
import React, { useMemo, useState, useContext, useEffect } from 'react';
import React, { useMemo, useState, useContext, useEffect, useRef } from 'react';
import PropTypes from 'prop-types';
import _debounce from 'lodash/debounce';
import Modal from 'react-native-modal';
import { ListItem, Avatar, Badge } from 'react-native-elements';
import { StyleSheet, FlatList, KeyboardAvoidingView, View, TextInput, Platform, Keyboard, TouchableWithoutFeedback } from 'react-native';
@ -78,24 +79,21 @@ const mStyles = StyleSheet.create({
const OutputModalContent = ({ output, wallet, onBackdrop }) => {
const { colors } = useTheme();
const { txMetadata, saveToDisk } = useContext(BlueStorageContext);
const [formChanged, setFormChanged] = useState(false);
const [frozen, setFrozen] = useState(wallet.getUTXOMetadata(output.txid, output.vout).frozen || false);
const [memo, setMemo] = useState(wallet.getUTXOMetadata(output.txid, output.vout).memo || txMetadata[output.txid]?.memo || '');
const onFreeze = async value => {
setFrozen(value);
setFormChanged(true);
};
const onMemoChange = async value => {
setMemo(value);
setFormChanged(true);
};
const onFreeze = value => setFrozen(value);
const onMemoChange = value => setMemo(value);
// save on form change
// save on form change. Because effect called on each event, debounce it.
const debouncedSave = useRef(
_debounce(async (frozen, memo) => {
wallet.setUTXOMetadata(output.txid, output.vout, { frozen, memo });
await saveToDisk();
}, 500),
);
useEffect(() => {
if (!formChanged) return
wallet.setUTXOMetadata(output.txid, output.vout, { frozen, memo });
saveToDisk();
}, [frozen, memo]); // eslint-disable-line react-hooks/exhaustive-deps
debouncedSave.current(frozen, memo);
}, [frozen, memo]);
return (
<>