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Firefox-SCsCC/src/content/refreshPrices.js

27 lines
923 B
JavaScript

import preferences from './storage/preferences';
import currRates from './storage/currRates';
import { formatPrice } from './utils/priceUtils';
export default () => {
const dataNodes = document.querySelectorAll('data.scscc');
dataNodes.forEach((dataNode) => {
const fromCurr = dataNode.dataset.curr;
const currRate = currRates.get(fromCurr, preferences.get('toCurr'));
let replTxtNode;
if (fromCurr === preferences.get('toCurr') || !currRate) {
replTxtNode = document.createTextNode(dataNode.title);
dataNode.parentNode.replaceChild(replTxtNode, dataNode);
} else {
const newPrice = parseFloat(dataNode.value) * currRate;
const replTxt = formatPrice(newPrice, preferences.get());
if (dataNode.textContent !== newPrice) {
replTxtNode = document.createTextNode(replTxt);
dataNode.replaceChild(replTxtNode, dataNode.firstChild);
}
}
});
};