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https://github.com/kremalicious/metamask-extension.git
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3732c5f71e
ESLint rules have been added to enforce our JSDoc conventions. These rules were introduced by updating `@metamask/eslint-config` to v9. Some of the rules have been disabled because the effort to fix all lint errors was too high. It might be easiest to enable these rules one directory at a time, or one rule at a time. Most of the changes in this PR were a result of running `yarn lint:fix`. There were a handful of manual changes that seemed obvious and simple to make. Anything beyond that and the rule was left disabled.
106 lines
3.2 KiB
JavaScript
106 lines
3.2 KiB
JavaScript
import { useMemo } from 'react';
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import { useSelector } from 'react-redux';
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import {
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formatCurrency,
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getValueFromWeiHex,
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} from '../helpers/utils/confirm-tx.util';
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import { getCurrentCurrency } from '../selectors';
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import {
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getConversionRate,
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getNativeCurrency,
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} from '../ducks/metamask/metamask';
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import { conversionUtil } from '../../shared/modules/conversion.utils';
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/**
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* Defines the shape of the options parameter for useCurrencyDisplay
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*
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* @typedef {Object} UseCurrencyOptions
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* @property {string} [displayValue] - When present is used in lieu of formatting the inputValue
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* @property {string} [prefix] - String to prepend to the final result
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* @property {number} [numberOfDecimals] - Number of significant decimals to display
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* @property {string} [denomination] - Denomination (wei, gwei) to convert to for display
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* @property {string} [currency] - Currency type to convert to. Will override nativeCurrency
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*/
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/**
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* Defines the return shape of the second value in the tuple
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*
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* @typedef {Object} CurrencyDisplayParts
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* @property {string} [prefix] - string to prepend to the value for display
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* @property {string} value - string representing the value, formatted for display
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* @property {string} [suffix] - string to append to the value for display
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*/
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/**
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* useCurrencyDisplay hook
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*
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* Given a hexadecimal encoded value string and an object of parameters used for formatting the
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* display, produce both a fully formed string and the pieces of that string used for displaying
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* the currency to the user
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*
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* @param {string} inputValue - The value to format for display
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* @param {UseCurrencyOptions} opts - An object for options to format the inputValue
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* @returns {[string, CurrencyDisplayParts]}
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*/
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export function useCurrencyDisplay(
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inputValue,
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{ displayValue, prefix, numberOfDecimals, denomination, currency, ...opts },
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) {
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const currentCurrency = useSelector(getCurrentCurrency);
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const nativeCurrency = useSelector(getNativeCurrency);
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const conversionRate = useSelector(getConversionRate);
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const isUserPreferredCurrency = currency === currentCurrency;
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const value = useMemo(() => {
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if (displayValue) {
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return displayValue;
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}
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if (
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currency === nativeCurrency ||
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(!isUserPreferredCurrency && !nativeCurrency)
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) {
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return conversionUtil(inputValue, {
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fromNumericBase: 'hex',
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toNumericBase: 'dec',
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fromDenomination: 'WEI',
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numberOfDecimals: numberOfDecimals || 2,
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toDenomination: denomination,
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});
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} else if (isUserPreferredCurrency && conversionRate) {
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return formatCurrency(
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getValueFromWeiHex({
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value: inputValue,
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fromCurrency: nativeCurrency,
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toCurrency: currency,
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conversionRate,
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numberOfDecimals: numberOfDecimals || 2,
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toDenomination: denomination,
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}),
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currency,
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);
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}
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return null;
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}, [
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inputValue,
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nativeCurrency,
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conversionRate,
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displayValue,
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numberOfDecimals,
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denomination,
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currency,
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isUserPreferredCurrency,
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]);
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let suffix;
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if (!opts.hideLabel) {
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suffix = opts.suffix || currency?.toUpperCase();
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}
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return [
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`${prefix || ''}${value}${suffix ? ` ${suffix}` : ''}`,
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{ prefix, value, suffix },
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];
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}
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