u

coretool.js

@@ -4,7 +4,7 @@
 module.exports = {
   sleep: (ms) => new Promise((resolve, reject) => setTimeout(resolve, ms)),
 
-  parseJsonPossible(value) {
+  parseJsonPossible (value) {
     try {
       return JSON.parse(value)
     } catch (e) {
@@ -13,99 +13,101 @@ module.exports = {
   },
 
   // 按顺序展开，哪怕嵌套。
-  stringifyOrdered (obj, {cmp, cycles = false, space = '', replacer, schemaColumns, excludeKeys = []} = {}) {
+  stringifyOrdered (obj, { cmp, cycles = false, space = '', replacer, schemaColumns, excludeKeys = [] } = {}) {
-
     /* 这个解决方法不考虑缺省值，不能把嵌套对象也按顺序展开。*/
-//    return JSON.stringify(obj, Object.keys(schemaColumns || entity).sort().filter(key => ! excludeKeys.includes(key))) // JSON.stringify 可根据第二个数组参数的顺序排序，但这导致了嵌套对象不能按顺序展开。
+    //    return JSON.stringify(obj, Object.keys(schemaColumns || entity).sort().filter(key => ! excludeKeys.includes(key))) // JSON.stringify 可根据第二个数组参数的顺序排序，但这导致了嵌套对象不能按顺序展开。
 
     let newObj = {}
     if (schemaColumns) {
-      for (let key in schemaColumns){
+      for (let key in schemaColumns) {
-        if (schemaColumns.hasOwnProperty(key) && ! schemaColumns[key].hashExclusive && ! excludeKeys.includes(key)) {
+        if (schemaColumns.hasOwnProperty(key) && !schemaColumns[key].hashExclusive && !excludeKeys.includes(key)) {
           // JSON.stringify (包括本函数）会把 NaN 或 Infinity 输出为 null，会把 undefined 忽略掉。
           // 而在 typeorm sqlite 数据库中，undefined 会自动存为 schemaColumns[key].default 或 null。从数据库读出时，就会和事先JSON.stringify的结果不一致。
           // 为了和 torm 数据库保持一致习惯，对schemaColumns里的键值应当把 undefined 也设为 default 或 null。
           if (obj[key] === undefined || Number.isNaN(obj[key]) || obj[key] === Infinity) {
             newObj[key] = typeof schemaColumns[key].default === 'undefined' ? null : schemaColumns[key].default
             obj[key] = newObj[key] // 确保内存中的数据和数据库保持一致
-          }else {
+          } else {
             newObj[key] = obj[key]
           }
         }
       }
-    }else{
+    } else {
       newObj = obj
     }
 
     /* 以下代码来自 https://github.com/substack/json-stable-stringify 可把嵌套的复杂值也按顺序输出，例如 { c: 8, b: [{z:6,y:5,x:4},7], a: 3 } */
-    if (typeof space === 'number') space = Array(space+1).join(' ')
+    if (typeof space === 'number') space = Array(space + 1).join(' ')
-    var cycles = (typeof cycles === 'boolean') ? cycles : false
+    var cycles = typeof cycles === 'boolean' ? cycles : false
-    var replacer = replacer || function(key, value) { return value }
+    var replacer =
+      replacer ||
+      function (key, value) {
+        return value
+      }
 
-    var cmp = cmp && (function (f) {
+    var cmp =
+      cmp &&
+      (function (f) {
         return function (node) {
-            return function (a, b) {
+          return function (a, b) {
-                var aobj = { key: a, value: node[a] }
+            var aobj = { key: a, value: node[a] }
-                var bobj = { key: b, value: node[b] }
+            var bobj = { key: b, value: node[b] }
-                return f(aobj, bobj)
+            return f(aobj, bobj)
-            }
+          }
         }
-    })(cmp)
+      })(cmp)
 
     var seen = []
     return (function stringify (parent, key, node, level) {
-        var indent = space ? ('\n' + new Array(level + 1).join(space)) : ''
+      var indent = space ? '\n' + new Array(level + 1).join(space) : ''
-        var colonSeparator = space ? ': ' : ':'
+      var colonSeparator = space ? ': ' : ':'
 
-        if (node && node.toJSON && typeof node.toJSON === 'function') {
+      if (node && node.toJSON && typeof node.toJSON === 'function') {
-            node = node.toJSON()
+        node = node.toJSON()
+      }
+
+      node = replacer.call(parent, key, node)
+
+      if (node === undefined) {
+        return
+      }
+      if (typeof node !== 'object' || node === null) {
+        return JSON.stringify(node)
+      }
+      if (Array.isArray(node)) {
+        var out = []
+        for (var i = 0; i < node.length; i++) {
+          var item = stringify(node, i, node[i], level + 1) || JSON.stringify(null)
+          out.push(indent + space + item)
         }
+        return '[' + out.join(',') + indent + ']'
+      } else {
+        if (seen.indexOf(node) !== -1) {
+          if (cycles) return JSON.stringify('__cycle__')
+          throw new TypeError('Converting circular structure to JSON')
+        } else seen.push(node)
 
-        node = replacer.call(parent, key, node)
+        var keys = Object.keys(node).sort(cmp && cmp(node))
+        var out = []
+        for (var i = 0; i < keys.length; i++) {
+          var key = keys[i]
+          var value = stringify(node, key, node[key], level + 1)
 
-        if (node === undefined) {
+          if (!value) continue
-            return
+
-        }
+          var keyValue = JSON.stringify(key) + colonSeparator + value
-        if (typeof node !== 'object' || node === null) {
+
-            return JSON.stringify(node)
+          out.push(indent + space + keyValue)
-        }
-        if (Array.isArray(node)) {
-            var out = []
-            for (var i = 0; i < node.length; i++) {
-                var item = stringify(node, i, node[i], level+1) || JSON.stringify(null)
-                out.push(indent + space + item)
-            }
-            return '[' + out.join(',') + indent + ']'
-        }
-        else {
-            if (seen.indexOf(node) !== -1) {
-                if (cycles) return JSON.stringify('__cycle__')
-                throw new TypeError('Converting circular structure to JSON')
-            }
-            else seen.push(node)
-
-            var keys = Object.keys(node).sort(cmp && cmp(node))
-            var out = []
-            for (var i = 0; i < keys.length; i++) {
-                var key = keys[i]
-                var value = stringify(node, key, node[key], level+1)
-
-                if(!value) continue
-
-                var keyValue = JSON.stringify(key)
-                    + colonSeparator
-                    + value
-                
-                out.push(indent + space + keyValue)
-            }
-            seen.splice(seen.indexOf(node), 1)
-            return '{' + out.join(',') + indent + '}'
         }
+        seen.splice(seen.indexOf(node), 1)
+        return '{' + out.join(',') + indent + '}'
+      }
     })({ '': newObj }, '', newObj, 0)
   },
 
-  name2port(name='') {
+  alpha_to_digit (name = '') {
-    let port = name.toLowerCase()
+    let port = name
+      .toLowerCase()
       .replace(/[abc]/g, 2)
       .replace(/[def]/g, 3)
       .replace(/[ghi]/g, 4)
@@ -117,7 +119,7 @@ module.exports = {
     return parseInt(port)
   },
 
-  randomNumber ({ length, min, max } = {}) {
+  randomize_number ({ length, min, max } = {}) {
     // 长度为 length 的随机数字，或者 (min||0) <= num < max
     var num = 0
     if (typeof length === 'number' && length > 0) {
@@ -138,7 +140,10 @@ module.exports = {
     if (salt && typeof salt === 'string') data = data + salt
     const inputEncoding = input // my.INPUT_LIST.indexOf(option.input)>=0?option.input:my.INPUT // 'utf8', 'ascii' or 'latin1' for string data, default to utf8 if not specified; ignored for Buffer, TypedArray, or DataView.
     const outputEncoding = output === 'buf' ? undefined : output // (my.OUTPUT_LIST.indexOf(output)>=0?output:my.OUTPUT)  // option.output: 留空=》默认输出hex格式；或者手动指定 'buf', hex', 'latin1' or 'base64'
-    return require('crypto').createHash(hasher).update(data, inputEncoding).digest(outputEncoding)
+    return require('crypto')
+      .createHash(hasher)
+      .update(data, inputEncoding)
+      .digest(outputEncoding)
   },
 
   /**
@@ -189,5 +194,4 @@ module.exports = {
     }
     return null // null 代表一切非法的regcode
   },
-
 }