56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
/**
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* Thin wrapper around localStorage.getItem(). Parses JSON and returns undefined if the value
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* is not set yet.
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*/
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export function getLocal(key, fallback = undefined) {
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const itemRaw = localStorage.getItem(key);
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return itemRaw === null ? fallback : JSON.parse(itemRaw);
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}
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/**
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* Thin wrapper around localStorage.setItem(). Converts value to JSON.
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*/
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export function setLocal(key, value) {
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localStorage.setItem(key, JSON.stringify(value));
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}
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/**
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* Thin wrapper around localStorage.getItem(). Parses JSON and returns undefined if the value
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* is not set yet.
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*/
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export function getSession(key, fallback = undefined) {
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const itemRaw = sessionStorage.getItem(key);
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return itemRaw === null ? fallback : JSON.parse(itemRaw);
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}
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/**
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* Thin wrapper around localStorage.setItem(). Converts value to JSON.
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*/
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export function setSession(key, value) {
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sessionStorage.setItem(key, JSON.stringify(value));
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}
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export function formatCredits(amount, precision) {
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return amount.toFixed(precision || 1).replace(/\.?0+$/, "");
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}
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export function formatFullPrice(amount, precision) {
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let formated = "";
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const quantity = amount.toString().split(".");
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const fraction = quantity[1];
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if (fraction) {
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// Set precision
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precision = precision || 1;
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const decimals = fraction.split("");
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const first = decimals.filter(number => number != "0")[0];
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const index = decimals.indexOf(first);
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// Set format fraction
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formated = "." + fraction.substring(0, index + precision);
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}
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return parseFloat(quantity[0] + formated);
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}
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