"use strict"; import { formatFixed, parseFixed } from "@ethersproject/bignumber/fixednumber"; import { Logger } from "@ethersproject/logger"; import { version } from "./_version"; const logger = new Logger(version); const names = [ "wei", "kwei", "mwei", "gwei", "szabo", "finney", "ether", ]; // Some environments have issues with RegEx that contain back-tracking, so we cannot // use them. export function commify(value) { let comps = String(value).split("."); if (comps.length > 2 || !comps[0].match(/^-?[0-9]*$/) || (comps[1] && !comps[1].match(/^[0-9]*$/)) || value === "." || value === "-.") { logger.throwArgumentError("invalid value", "value", value); } // Make sure we have at least one whole digit (0 if none) let whole = comps[0]; let negative = ""; if (whole.substring(0, 1) === "-") { negative = "-"; whole = whole.substring(1); } // Make sure we have at least 1 whole digit with no leading zeros while (whole.substring(0, 1) === "0") { whole = whole.substring(1); } if (whole === "") { whole = "0"; } let suffix = ""; if (comps.length === 2) { suffix = "." + (comps[1] || "0"); } let formatted = []; while (whole.length) { if (whole.length <= 3) { formatted.unshift(whole); break; } else { let index = whole.length - 3; formatted.unshift(whole.substring(index)); whole = whole.substring(0, index); } } return negative + formatted.join(",") + suffix; } export function formatUnits(value, unitName) { if (typeof (unitName) === "string") { let index = names.indexOf(unitName); if (index !== -1) { unitName = 3 * index; } } return formatFixed(value, (unitName != null) ? unitName : 18); } export function parseUnits(value, unitName) { if (typeof (unitName) === "string") { let index = names.indexOf(unitName); if (index !== -1) { unitName = 3 * index; } } return parseFixed(value, (unitName != null) ? unitName : 18); } export function formatEther(wei) { return formatUnits(wei, 18); } export function parseEther(ether) { return parseUnits(ether, 18); }