Differential D15784 Diff 46588 cashtab/src/helpers/index.js

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cashtab/src/helpers/index.js

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	export const storedCashtabCacheToMap = storedCashtabCache => {			export const storedCashtabCacheToMap = storedCashtabCache => {
	return {			return {
	...storedCashtabCache,			...storedCashtabCache,
	tokens: new Map(storedCashtabCache.tokens),			tokens: new Map(storedCashtabCache.tokens),
	};			};
	};			};

	/**			/**
				* Convert stored cashtabWallet, which includes Map type stored as keyvalue array to some keys
				* to include actual Maps at these keys
				* @param {JSON} storedCashtabWallet
				* @returns {object}
				*/
				export const cashtabWalletFromJSON = storedCashtabWallet => {
				// If you are pulling a pre-2.9.0 wallet out of storage, no conversion necessary
				// Cashtab will find this wallet invalid and migrate it
				// But, you need to ber able to handle pulling old wallets from storage
				if (
				'Path1899' in storedCashtabWallet \|\|
				// Pre 2.9.0 wallet
				(Array.isArray(storedCashtabWallet.paths) &&
				storedCashtabWallet.paths.length > 0 &&
				typeof storedCashtabWallet.paths[0].path !== 'undefined')
				) {
				return storedCashtabWallet;
				}
				return {
				...storedCashtabWallet,
				paths: new Map(storedCashtabWallet.paths),
				state: {
				...storedCashtabWallet.state,
				tokens: new Map(storedCashtabWallet.state.tokens),
				},
				};
				};

				/**
				* Store Map objects as keyvalue arrays before saving in localforage
				* @param {object} cashtabWallet
				* @returns {JSON}
				*/
				export const cashtabWalletToJSON = cashtabWallet => {
				if (!(cashtabWallet.paths instanceof Map)) {
				// Cashtab wallets before 2.9.0 were already JSON
				// We do not plan to ever use this function on such a wallet
				// Handle so we can be sure no errors are thrown
				return cashtabWallet;
				}
				return {
				...cashtabWallet,
				paths: Array.from(cashtabWallet.paths.entries()),
				state: {
				...cashtabWallet.state,
				tokens: Array.from(cashtabWallet.state.tokens.entries()),
				},
				};
				};

				/**
				* Convert cashtab wallets to JSON for localforage writing
				* @param {array} wallets array of valid cashtab wallets
				* @returns {array} jsonWallets
				*/
				export const cashtabWalletsToJSON = wallets => {
				const jsonWallets = [];
				for (const wallet of wallets) {
				jsonWallets.push(cashtabWalletToJSON(wallet));
				}
				return jsonWallets;
				};

				/**
				* Convert cashtab wallets from JSON after reading from localforage
				* @param {array} storedWallets array of stored JSON cashtab wallets
				* @returns {array} wallets
				*/
				export const cashtabWalletsFromJSON = storedWallets => {
				const wallets = [];
				for (const storedWallet of storedWallets) {
				wallets.push(cashtabWalletFromJSON(storedWallet));
				}
				return wallets;
				};

				/**
	* Get the width of a given string of text			* Get the width of a given string of text
	* Useful to customize the width of a component according to the size of displayed text			* Useful to customize the width of a component according to the size of displayed text
	*			*
	* Note			* Note
	* It is not practical to unit test this function as document is an html document			* It is not practical to unit test this function as document is an html document
	* @param {html} document document global of a rendered web page			* @param {html} document document global of a rendered web page
	* @param {string} text text to get width of			* @param {string} text text to get width of
	* @param {string} font e.g. '16px Poppins'			* @param {string} font e.g. '16px Poppins'
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