standard format

coretool.js

@@ -19,25 +19,19 @@ module.exports = {
     }
     Object.freeze(obj)
     const propNames = Object.getOwnPropertyNames(obj)
-    propNames.forEach(prop => {
+    propNames.forEach((prop) => {
       const propValue = obj[prop]
       // for nested object
-      if (
+      if (propValue && typeof propValue === 'object' && !Object.isFrozen(propValue)) {
-        propValue && typeof propValue === 'object' &&
-        !Object.isFrozen(propValue)
-      ) {
         deepFreeze(propValue)
       }
       // for nested array
       if (Array.isArray(propValue)) {
-        propValue.forEach(item => {
+        propValue.forEach((item) => {
-          if (
+          if (item && typeof item === 'object' && !Object.isFrozen(item)) {
-            item && typeof item === 'object' &&
-            !Object.isFrozen(item)
-          ) {
             deepFreeze(item)
           }
-        });
+        })
         Object.freeze(propValue) // Freeze the array itself
       }
     })
@@ -316,30 +310,34 @@ module.exports = {
   },
 
   number_precision (number, precision = 4) {
-    if (isFinite(number)) // null, '', '0', [] 
+    if (isFinite(number)) {
+      // 包括 null, '', '0', [] 都 isFinite
       return Number(Number(number).toFixed(precision))
-    else // undefined, NaN, Infinity, {}
+    } else {
+      // undefined, NaN, Infinity, {}
       return 0
+    }
   },
 
   // 返回新的数组
   filter_story (story) {
     if (Array.isArray(story)) {
-      return story.filter(section => Object.values(section || {}).some(val => !this.is_empty(val))) // (section.text || section.image || section.video)?.trim?.()
+      return story.filter((section) => Object.values(section || {}).some((val) => !this.is_empty(val))) // (section.text || section.image || section.video)?.trim?.()
     } else {
       return []
     }
   },
 
-  is_empty (data) { // empty: undefined, null, false, 0, NaN, '', '空格，tab, \n等', [], {}
+  is_empty (data) {
+    // empty: undefined, null, false, 0, NaN, '', '空格，tab, \n等', [], {}
     if (data) {
-      if (typeof (data) === 'string' && data.trim() === '') {
+      if (typeof data === 'string' && data.trim() === '') {
         return true
       }
       if (Array.isArray(data) && data.length === 0) {
         return true
       }
-      if (typeof (data) === 'object' && Object.keys(data).length === 0) {
+      if (typeof data === 'object' && Object.keys(data).length === 0) {
         return true
       }
       return false
@@ -351,12 +349,13 @@ module.exports = {
    * 对数组中的对象，按对象的key进行sortType排序
    */
   keysort_array (arr, key, order = 'ASC') {
-    if (Array.isArray(arr) && typeof (key) === 'string' && key) {
+    if (Array.isArray(arr) && typeof key === 'string' && key) {
-      return arr.sort((a, b) => { // 负数： a, b. 正数: b, a
+      return arr.sort((a, b) => {
-        if (typeof (a[key]) === 'number' && typeof (b[key]) === 'number') {
+        // 负数： a, b. 正数: b, a
-          return (order === 'DESC') ? b[key] - a[key] : a[key] - b[key]
+        if (typeof a[key] === 'number' && typeof b[key] === 'number') {
-        } else if (typeof (a[key]) === 'string' && typeof (b[key]) === 'string') {
+          return order === 'DESC' ? b[key] - a[key] : a[key] - b[key]
-          return (order === 'DESC') ? b[key].localeCompare(a[key]) : a[key].localeCompare(b[key])
+        } else if (typeof a[key] === 'string' && typeof b[key] === 'string') {
+          return order === 'DESC' ? b[key].localeCompare(a[key]) : a[key].localeCompare(b[key])
         } else {
           return 0
         }
@@ -366,7 +365,8 @@ module.exports = {
     }
   },
 
-  objectize_array (arr, key) { // 是 Object.keys/values/entries 的反向操作，相当于 Array.objectize，把数据转成对象
+  objectize_array (arr, key) {
+    // 是 Object.keys/values/entries 的反向操作，相当于 Array.objectize，把数据转成对象
     return arr.reduce((obj, item) => ({ ...obj, [item[key]]: item }), {})
   },
 
@@ -381,15 +381,16 @@ module.exports = {
   },
 
   has_module (module) {
-    if (typeof (module) === 'string' && module) {
+    if (typeof module === 'string' && module) {
-      return module.paths.some(modulesPath => fs.existsSync(path.join(modulesPath, module)))
+      return module.paths.some((modulesPath) => fs.existsSync(path.join(modulesPath, module)))
     } else {
       return false
     }
   },
 
-  segment_number (sizeBytes = '') { // segment a number with a space between each 3 digits
+  segment_number (sizeBytes = '') {
-    let segmented = (sizeBytes).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ')
+    // segment a number with a space between each 3 digits
+    let segmented = sizeBytes.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ')
     const parts = segmented.split(' ')
     parts[parts.length - 3] += 'm'
     parts[parts.length - 2] += 'k'
@@ -408,12 +409,11 @@ module.exports = {
     // 如果用 path.extname:
     // if (/^\./.test(filename)) filename = `added$filename` // path.extname('.abc') 结果为 ''，所以要添加前缀
     // return path.extname(filename).toLowerCase() // openAi*Ext 是包含 . 的，所以用 path.extname
-
   },
 
   delete_undefined (obj, { depth } = {}) {
     // delete all undefined properties recursively inside an obect
-    Object.keys(obj).forEach(key => {
+    Object.keys(obj).forEach((key) => {
       if (typeof obj[key] === 'undefined') {
         delete obj[key]
       } else if (typeof obj[key] === 'object') {
@@ -421,5 +421,4 @@ module.exports = {
       }
     })
   },
-
 }