feat: util to check if pesa, also fix indents

utils/index.js

@@ -1,12 +1,20 @@
-Array.prototype.equals = function( array ) {
-    return this.length == array.length &&
-           this.every( function(item,i) { return item == array[i] } );
-}
+const { pesa } = require('pesa');
+
+Array.prototype.equals = function (array) {
+  return (
+    this.length == array.length &&
+    this.every(function (item, i) {
+      return item == array[i];
+    })
+  );
+};
 
 function slug(str) {
-    return str.replace(/(?:^\w|[A-Z]|\b\w)/g, function(letter, index) {
+  return str
+    .replace(/(?:^\w|[A-Z]|\b\w)/g, function (letter, index) {
       return index == 0 ? letter.toLowerCase() : letter.toUpperCase();
-    }).replace(/\s+/g, '');
+    })
+    .replace(/\s+/g, '');
 }
 
 function getRandomString() {
@@ -14,7 +22,7 @@ function getRandomString() {
 }
 
 async function sleep(seconds) {
-    return new Promise(resolve => {
+  return new Promise((resolve) => {
     setTimeout(resolve, seconds * 1000);
   });
 }
@@ -29,18 +37,16 @@ function stringReplace(str, args) {
     args = [args];
   }
 
-    if(str==undefined) return str;
+  if (str == undefined) return str;
 
   let unkeyed_index = 0;
   return str.replace(/\{(\w*)\}/g, (match, key) => {
     if (key === '') {
       key = unkeyed_index;
-            unkeyed_index++
+      unkeyed_index++;
     }
     if (key == +key) {
-            return args[key] !== undefined
-                ? args[key]
-                : match;
+      return args[key] !== undefined ? args[key] : match;
     }
   });
 }
@@ -49,19 +55,21 @@ function getQueryString(params) {
   if (!params) return '';
   let parts = [];
   for (let key in params) {
-        if (key!=null && params[key]!=null) {
-            parts.push(encodeURIComponent(key) + '=' + encodeURIComponent(params[key]))
+    if (key != null && params[key] != null) {
+      parts.push(
+        encodeURIComponent(key) + '=' + encodeURIComponent(params[key])
+      );
     }
   }
   return parts.join('&');
 }
 
 function asyncHandler(fn) {
-    return (req, res, next) => Promise.resolve(fn(req, res, next))
-        .catch((err) => {
+  return (req, res, next) =>
+    Promise.resolve(fn(req, res, next)).catch((err) => {
       console.log(err);
       // handle error
-            res.status(err.statusCode || 500).send({error: err.message});
+      res.status(err.statusCode || 500).send({ error: err.message });
     });
 }
 
@@ -70,12 +78,12 @@ function asyncHandler(fn) {
  * @param {Number} n
  */
 function range(n) {
-    return Array.from(Array(4)).map((d, i) => i)
+  return Array.from(Array(4)).map((d, i) => i);
 }
 
-function unique(list, key = it => it) {
+function unique(list, key = (it) => it) {
   var seen = {};
-    return list.filter(item => {
+  return list.filter((item) => {
     var k = key(item);
     return seen.hasOwnProperty(k) ? false : (seen[k] = true);
   });
@@ -96,6 +104,10 @@ function getDuplicates(array) {
   return duplicates;
 }
 
+function isPesa(value) {
+  return value instanceof pesa().constructor;
+}
+
 module.exports = {
   _,
   slug,
@@ -106,5 +118,6 @@ module.exports = {
   asyncHandler,
   range,
   unique,
-    getDuplicates
-}
+  getDuplicates,
+  isPesa,
+};