refactor: migrate to using arrow functions (#2033)

Author: rickstaa

src/calculateRank.js

@@ -9,7 +9,7 @@
  * @param {number} to The value to calculate the probability for.
  * @returns {number} Probability.
  */
-function normalcdf(mean, sigma, to) {
+const normalcdf = (mean, sigma, to) => {
   var z = (to - mean) / Math.sqrt(2 * sigma * sigma);
   var t = 1 / (1 + 0.3275911 * Math.abs(z));
   var a1 = 0.254829592;
@@ -24,7 +24,7 @@ function normalcdf(mean, sigma, to) {
     sign = -1;
   }
   return (1 / 2) * (1 + sign * erf);
-}
+};
 
 /**
  * Calculates the users rank.
@@ -38,15 +38,15 @@ function normalcdf(mean, sigma, to) {
  * @param {number} stargazers The number of stars.
  * @returns {{level: string, score: number}}} The users rank.
  */
-function calculateRank({
+const calculateRank = ({
   totalRepos,
   totalCommits,
   contributions,
   followers,
   prs,
   issues,
   stargazers,
-}) {
+}) => {
   const COMMITS_OFFSET = 1.65;
   const CONTRIBS_OFFSET = 1.65;
   const ISSUES_OFFSET = 1;
@@ -98,7 +98,7 @@ function calculateRank({
   })();
 
   return { level, score: normalizedScore };
-}
+};
 
 export { calculateRank };
 export default calculateRank;

src/common/utils.js

@@ -42,64 +42,64 @@ const renderError = (message, secondaryMessage = "") => {
  * @param {string} str String to encode.
  * @returns {string} Encoded string.
  */
-function encodeHTML(str) {
+const encodeHTML = (str) => {
   return str
     .replace(/[\u00A0-\u9999<>&](?!#)/gim, (i) => {
       return "&#" + i.charCodeAt(0) + ";";
     })
     .replace(/\u0008/gim, "");
-}
+};
 
 /**
  * Retrieves num with suffix k(thousands) precise to 1 decimal if greater than 999.
  *
  * @param {number} num The number to format.
  * @returns {string|number} The formatted number.
  */
-function kFormatter(num) {
+const kFormatter = (num) => {
   return Math.abs(num) > 999
     ? Math.sign(num) * parseFloat((Math.abs(num) / 1000).toFixed(1)) + "k"
     : Math.sign(num) * Math.abs(num);
-}
+};
 
 /**
  * Checks if a string is a valid hex color.
  *
  * @param {string} hexColor String to check.
  * @returns {boolean} True if the given string is a valid hex color.
  */
-function isValidHexColor(hexColor) {
+const isValidHexColor = (hexColor) => {
   return new RegExp(
     /^([A-Fa-f0-9]{8}|[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}|[A-Fa-f0-9]{4})$/,
   ).test(hexColor);
-}
+};
 
 /**
  * Returns boolean if value is either "true" or "false" else the value as it is.
  *
  * @param {string} value The value to parse.
  * @returns {boolean | string} The parsed value.
  */
-function parseBoolean(value) {
+const parseBoolean = (value) => {
   if (value === "true") {
     return true;
   } else if (value === "false") {
     return false;
   } else {
     return value;
   }
-}
+};
 
 /**
  * Parse string to array of strings.
  *
  * @param {string} str The string to parse.
  * @returns {string[]} The array of strings.
  */
-function parseArray(str) {
+const parseArray = (str) => {
   if (!str) return [];
   return str.split(",");
-}
+};
 
 /**
  * Clamp the given number between the given range.
@@ -109,21 +109,21 @@ function parseArray(str) {
  * @param {number} max The maximum value.
  * returns {number} The clamped number.
  */
-function clampValue(number, min, max) {
+const clampValue = (number, min, max) => {
   // @ts-ignore
   if (Number.isNaN(parseInt(number))) return min;
   return Math.max(min, Math.min(number, max));
-}
+};
 
 /**
  * Check if the given string is a valid gradient.
  *
  * @param {string[]} colors Array of colors.
  * @returns {boolean} True if the given string is a valid gradient.
  */
-function isValidGradient(colors) {
+const isValidGradient = (colors) => {
   return isValidHexColor(colors[1]) && isValidHexColor(colors[2]);
-}
+};
 
 /**
  * Retrieves a gradient if color has more than one valid hex codes else a single color.
@@ -132,7 +132,7 @@ function isValidGradient(colors) {
  * @param {string} fallbackColor The fallback color.
  * @returns {string | string[]} The gradient or color.
  */
-function fallbackColor(color, fallbackColor) {
+const fallbackColor = (color, fallbackColor) => {
   let gradient = null;
 
   let colors = color ? color.split(",") : [];
@@ -144,7 +144,7 @@ function fallbackColor(color, fallbackColor) {
     (gradient ? gradient : isValidHexColor(color) && `#${color}`) ||
     fallbackColor
   );
-}
+};
 
 /**
  * Send GraphQL request to GitHub API.
@@ -153,15 +153,15 @@ function fallbackColor(color, fallbackColor) {
  * @param {import('axios').AxiosRequestConfig['headers']} headers Request headers.
  * @returns {Promise<any>} Request response.
  */
-function request(data, headers) {
+const request = (data, headers) => {
   // @ts-ignore
   return axios({
     url: "https://api.github.com/graphql",
     method: "post",
     headers,
     data,
   });
-}
+};
 
 /**
  * Auto layout utility, allows us to layout things vertically or horizontally with
@@ -174,7 +174,7 @@ function request(data, headers) {
  * @param {"column" | "row"?=} props.direction Direction to layout items.
  * @returns {string[]} Array of items with proper layout.
  */
-function flexLayout({ items, gap, direction, sizes = [] }) {
+const flexLayout = ({ items, gap, direction, sizes = [] }) => {
   let lastSize = 0;
   // filter() for filtering out empty strings
   return items.filter(Boolean).map((item, i) => {
@@ -186,7 +186,7 @@ function flexLayout({ items, gap, direction, sizes = [] }) {
     lastSize += size + gap;
     return `<g transform="${transform}">${item}</g>`;
   });
-}
+};
 
 /**
  * Returns theme based colors with proper overrides and defaults.
@@ -201,7 +201,7 @@ function flexLayout({ items, gap, direction, sizes = [] }) {
  * @param {string} args.fallbackTheme Fallback theme.
  *
  */
-function getCardColors({
+const getCardColors = ({
   title_color,
   text_color,
   icon_color,
@@ -210,7 +210,7 @@ function getCardColors({
   ring_color,
   theme,
   fallbackTheme = "default",
-}) {
+}) => {
   const defaultTheme = themes[fallbackTheme];
   const selectedTheme = themes[theme] || defaultTheme;
   const defaultBorderColor =
@@ -248,7 +248,7 @@ function getCardColors({
   );
 
   return { titleColor, iconColor, textColor, bgColor, borderColor, ringColor };
-}
+};
 
 /**
  * Split text over multiple lines based on the card width.
@@ -258,7 +258,7 @@ function getCardColors({
  * @param {number} maxLines Maximum number of lines.
  * @returns {string[]} Array of lines.
  */
-function wrapTextMultiline(text, width = 59, maxLines = 3) {
+const wrapTextMultiline = (text, width = 59, maxLines = 3) => {
   const fullWidthComma = "，";
   const encoded = encodeHTML(text);
   const isChinese = encoded.includes(fullWidthComma);
@@ -283,7 +283,7 @@ function wrapTextMultiline(text, width = 59, maxLines = 3) {
   // Remove empty lines if text fits in less than maxLines lines
   const multiLineText = lines.filter(Boolean);
   return multiLineText;
-}
+};
 
 const noop = () => {};
 // return console instance based on the environment
@@ -349,7 +349,7 @@ class MissingParamError extends Error {
  * @param {number} fontSize Font size.
  * @returns {number} Text length.
  */
-function measureText(str, fontSize = 10) {
+const measureText = (str, fontSize = 10) => {
   // prettier-ignore
   const widths = [
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -381,7 +381,7 @@ function measureText(str, fontSize = 10) {
       )
       .reduce((cur, acc) => acc + cur) * fontSize
   );
-}
+};
 
 /** @param {string} name */
 const lowercaseTrim = (name) => name.toLowerCase().trim();
@@ -394,7 +394,7 @@ const lowercaseTrim = (name) => name.toLowerCase().trim();
  * @param {number} perChunk Number of languages per column.
  * @returns {Array<T>} Array of languages split in two columns.
  */
-function chunkArray(arr, perChunk) {
+const chunkArray = (arr, perChunk) => {
   return arr.reduce((resultArray, item, index) => {
     const chunkIndex = Math.floor(index / perChunk);
 
@@ -406,20 +406,20 @@ function chunkArray(arr, perChunk) {
 
     return resultArray;
   }, []);
-}
+};
 
 /**
  * Parse emoji from string.
  *
  * @param {string} str String to parse emoji from.
  * @returns {string} String with emoji parsed.
  */
-function parseEmojis(str) {
+const parseEmojis = (str) => {
   if (!str) throw new Error("[parseEmoji]: str argument not provided");
   return str.replace(/:\w+:/gm, (emoji) => {
     return toEmoji.get(emoji) || "";
   });
-}
+};
 
 export {
   ERROR_CARD_LENGTH,

src/fetchers/repo-fetcher.js

@@ -60,7 +60,7 @@ const urlExample = "/api/pin?username=USERNAME&repo=REPO_NAME";
  * @param {string} reponame GitHub repository name.
  * @returns {Promise<import("./types").RepositoryData>} Repository data.
  */
-async function fetchRepo(username, reponame) {
+const fetchRepo = async (username, reponame) => {
   if (!username && !reponame) {
     throw new MissingParamError(["username", "repo"], urlExample);
   }
@@ -100,7 +100,7 @@ async function fetchRepo(username, reponame) {
       starCount: data.organization.repository.stargazers.totalCount,
     };
   }
-}
+};
 
 export { fetchRepo };
 export default fetchRepo;

src/fetchers/stats-fetcher.js

@@ -188,12 +188,12 @@ const totalStarsFetcher = async (username, repoToHide) => {
  * @param {boolean} include_all_commits Include all commits.
  * @returns {Promise<import("./types").StatsData>} Stats data.
  */
-async function fetchStats(
+const fetchStats = async (
   username,
   count_private = false,
   include_all_commits = false,
   exclude_repo = [],
-) {
+) => {
   if (!username) throw new MissingParamError(["username"]);
 
   const stats = {
@@ -275,7 +275,7 @@ async function fetchStats(
   });
 
   return stats;
-}
+};
 
 export { fetchStats };
 export default fetchStats;

src/fetchers/top-languages-fetcher.js

@@ -57,7 +57,7 @@ const fetcher = (variables, token) => {
  * @param {string[]} exclude_repo List of repositories to exclude.
  * @returns {Promise<import("./types").TopLangData>} Top languages data.
  */
-async function fetchTopLanguages(username, exclude_repo = []) {
+const fetchTopLanguages = async (username, exclude_repo = []) => {
   if (!username) throw new MissingParamError(["username"]);
 
   const res = await retryer(fetcher, { login: username });
@@ -136,7 +136,7 @@ async function fetchTopLanguages(username, exclude_repo = []) {
     }, {});
 
   return topLangs;
-}
+};
 
 export { fetchTopLanguages };
 export default fetchTopLanguages;

src/translations.js

@@ -367,9 +367,9 @@ const availableLocales = Object.keys(repoCardLocales["repocard.archived"]);
  * @param {string} locale The locale to check.
  * @returns {boolean} Boolean specifying whether the locale is available or not.
  */
-function isLocaleAvailable(locale) {
+const isLocaleAvailable = (locale) => {
   return availableLocales.includes(locale.toLowerCase());
-}
+};
 
 export {
   isLocaleAvailable,