mirror of
https://github.com/kremalicious/metamask-extension.git
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14d85b1332
A few inconsistencies in JSDoc formatting have been fixed throughout the project. Many issues remain; these were just the few things that were easy to fix with a regular expression. The changes include: * Using lower-case for primitive types, but capitalizing non-primitive types * Separating the parameter identifier and the description with a dash * Omitting a dash between the return type and the return description * Ensuring the parameter type is first and the identifier is second (in a few places it was backwards) * Using square brackets to denote when a parameter is optional, rather than putting "(optional)" in the parameter description * Including a type and identifier with every parameter * Fixing inconsistent spacing, except where it's used for alignment * Remove incorrectly formatted `@deprecated` tags that reference non- existent properties * Remove lone comment block without accompanying function Additionally, one parameter was renamed for clarity.
65 lines
2.2 KiB
JavaScript
65 lines
2.2 KiB
JavaScript
import { useMemo } from 'react'
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import { useSelector } from 'react-redux'
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import {
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getTokenExchangeRates,
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getConversionRate,
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getCurrentCurrency,
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getShouldShowFiat,
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} from '../selectors'
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import { getTokenFiatAmount } from '../helpers/utils/token-util'
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/**
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* Get the token balance converted to fiat and formatted for display
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*
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* @param {string} [tokenAddress] - The token address
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* @param {string} [tokenAmount] - The token balance
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* @param {string} [tokenSymbol] - The token symbol
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* @param {Object} [overrides] - A configuration object that allows the caller to explicitly pass an exchange rate or
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* ensure fiat is shown even if the property is not set in state.
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* @param {number} [overrides.exchangeRate] - An exhchange rate to use instead of the one selected from state
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* @param {boolean} [overrides.showFiat] - If truthy, ensures the fiat value is shown even if the showFiat value from state is falsey
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* @param {boolean} hideCurrencySymbol Indicates whether the returned formatted amount should include the trailing currency symbol
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* @return {string} - The formatted token amount in the user's chosen fiat currency
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*/
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export function useTokenFiatAmount(
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tokenAddress,
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tokenAmount,
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tokenSymbol,
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overrides = {},
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hideCurrencySymbol,
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) {
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const contractExchangeRates = useSelector(getTokenExchangeRates)
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const conversionRate = useSelector(getConversionRate)
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const currentCurrency = useSelector(getCurrentCurrency)
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const userPrefersShownFiat = useSelector(getShouldShowFiat)
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const showFiat = overrides.showFiat ?? userPrefersShownFiat
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const tokenExchangeRate =
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overrides.exchangeRate ?? contractExchangeRates[tokenAddress]
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const formattedFiat = useMemo(
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() =>
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getTokenFiatAmount(
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tokenExchangeRate,
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conversionRate,
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currentCurrency,
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tokenAmount,
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tokenSymbol,
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true,
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hideCurrencySymbol,
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),
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[
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tokenExchangeRate,
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conversionRate,
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currentCurrency,
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tokenAmount,
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tokenSymbol,
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hideCurrencySymbol,
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],
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)
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if (!showFiat || currentCurrency.toUpperCase() === tokenSymbol) {
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return undefined
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}
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return formattedFiat
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}
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