refactor: move operations into separate module (#4582)

Co-authored-by: Alexandr <qwerty541zxc@gmail.com>

src/common/ops.js

@@ -0,0 +1,124 @@
+// @ts-check
+
+import toEmoji from "emoji-name-map";
+
+/**
+ * Returns boolean if value is either "true" or "false" else the value as it is.
+ *
+ * @param {string | boolean} value The value to parse.
+ * @returns {boolean | undefined } The parsed value.
+ */
+const parseBoolean = (value) => {
+  if (typeof value === "boolean") {
+    return value;
+  }
+
+  if (typeof value === "string") {
+    if (value.toLowerCase() === "true") {
+      return true;
+    } else if (value.toLowerCase() === "false") {
+      return false;
+    }
+  }
+  return undefined;
+};
+
+/**
+ * Parse string to array of strings.
+ *
+ * @param {string} str The string to parse.
+ * @returns {string[]} The array of strings.
+ */
+const parseArray = (str) => {
+  if (!str) {
+    return [];
+  }
+  return str.split(",");
+};
+
+/**
+ * Clamp the given number between the given range.
+ *
+ * @param {number} number The number to clamp.
+ * @param {number} min The minimum value.
+ * @param {number} max The maximum value.
+ * @returns {number} The clamped number.
+ */
+const clampValue = (number, min, max) => {
+  // @ts-ignore
+  if (Number.isNaN(parseInt(number, 10))) {
+    return min;
+  }
+  return Math.max(min, Math.min(number, max));
+};
+
+/**
+ * Lowercase and trim string.
+ *
+ * @param {string} name String to lowercase and trim.
+ * @returns {string} Lowercased and trimmed string.
+ */
+const lowercaseTrim = (name) => name.toLowerCase().trim();
+
+/**
+ * Split array of languages in two columns.
+ *
+ * @template T Language object.
+ * @param {Array<T>} arr Array of languages.
+ * @param {number} perChunk Number of languages per column.
+ * @returns {Array<T>} Array of languages split in two columns.
+ */
+const chunkArray = (arr, perChunk) => {
+  return arr.reduce((resultArray, item, index) => {
+    const chunkIndex = Math.floor(index / perChunk);
+
+    if (!resultArray[chunkIndex]) {
+      // @ts-ignore
+      resultArray[chunkIndex] = []; // start a new chunk
+    }
+
+    // @ts-ignore
+    resultArray[chunkIndex].push(item);
+
+    return resultArray;
+  }, []);
+};
+
+/**
+ * Parse emoji from string.
+ *
+ * @param {string} str String to parse emoji from.
+ * @returns {string} String with emoji parsed.
+ */
+const parseEmojis = (str) => {
+  if (!str) {
+    throw new Error("[parseEmoji]: str argument not provided");
+  }
+  return str.replace(/:\w+:/gm, (emoji) => {
+    return toEmoji.get(emoji) || "";
+  });
+};
+
+/**
+ * Get diff in minutes between two dates.
+ *
+ * @param {Date} d1 First date.
+ * @param {Date} d2 Second date.
+ * @returns {number} Number of minutes between the two dates.
+ */
+const dateDiff = (d1, d2) => {
+  const date1 = new Date(d1);
+  const date2 = new Date(d2);
+  const diff = date1.getTime() - date2.getTime();
+  return Math.round(diff / (1000 * 60));
+};
+
+export {
+  parseBoolean,
+  parseArray,
+  clampValue,
+  lowercaseTrim,
+  chunkArray,
+  parseEmojis,
+  dateDiff,
+};