87 lines
2.6 KiB
JavaScript
87 lines
2.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var bignumber_1 = require("@ethersproject/bignumber");
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var logger_1 = require("@ethersproject/logger");
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var _version_1 = require("./_version");
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var logger = new logger_1.Logger(_version_1.version);
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var names = [
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"wei",
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"kwei",
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"mwei",
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"gwei",
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"szabo",
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"finney",
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"ether",
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];
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// Some environments have issues with RegEx that contain back-tracking, so we cannot
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// use them.
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function commify(value) {
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var comps = String(value).split(".");
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if (comps.length > 2 || !comps[0].match(/^-?[0-9]*$/) || (comps[1] && !comps[1].match(/^[0-9]*$/)) || value === "." || value === "-.") {
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logger.throwArgumentError("invalid value", "value", value);
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}
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// Make sure we have at least one whole digit (0 if none)
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var whole = comps[0];
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var negative = "";
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if (whole.substring(0, 1) === "-") {
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negative = "-";
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whole = whole.substring(1);
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}
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// Make sure we have at least 1 whole digit with no leading zeros
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while (whole.substring(0, 1) === "0") {
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whole = whole.substring(1);
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}
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if (whole === "") {
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whole = "0";
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}
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var suffix = "";
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if (comps.length === 2) {
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suffix = "." + (comps[1] || "0");
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}
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while (suffix.length > 2 && suffix[suffix.length - 1] === "0") {
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suffix = suffix.substring(0, suffix.length - 1);
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}
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var formatted = [];
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while (whole.length) {
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if (whole.length <= 3) {
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formatted.unshift(whole);
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break;
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}
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else {
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var index = whole.length - 3;
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formatted.unshift(whole.substring(index));
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whole = whole.substring(0, index);
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}
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}
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return negative + formatted.join(",") + suffix;
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}
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exports.commify = commify;
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function formatUnits(value, unitName) {
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if (typeof (unitName) === "string") {
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var index = names.indexOf(unitName);
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if (index !== -1) {
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unitName = 3 * index;
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}
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}
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return bignumber_1.formatFixed(value, (unitName != null) ? unitName : 18);
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}
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exports.formatUnits = formatUnits;
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function parseUnits(value, unitName) {
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if (typeof (unitName) === "string") {
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var index = names.indexOf(unitName);
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if (index !== -1) {
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unitName = 3 * index;
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}
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}
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return bignumber_1.parseFixed(value, (unitName != null) ? unitName : 18);
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}
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exports.parseUnits = parseUnits;
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function formatEther(wei) {
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return formatUnits(wei, 18);
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}
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exports.formatEther = formatEther;
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function parseEther(ether) {
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return parseUnits(ether, 18);
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}
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exports.parseEther = parseEther;
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//# sourceMappingURL=index.js.map
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