From 852e82d5a9e741a980ed0e60e70713b0f9bd5b68 Mon Sep 17 00:00:00 2001
From: "luk.lu" <luk.lu@faronear.org>
Date: Wed, 20 Jul 2022 17:00:50 +0800
Subject: [PATCH] u

---
 coretool.js | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 85 insertions(+), 5 deletions(-)

diff --git a/coretool.js b/coretool.js
index 8cbb25f..e417d55 100644
--- a/coretool.js
+++ b/coretool.js
@@ -4,7 +4,7 @@
 module.exports = {
   sleep: (ms) => new Promise((resolve, reject) => setTimeout(resolve, ms)),
 
-  parseJsonPossible (value) {
+  parse_json_anyway (value) {
     try {
       return JSON.parse(value)
     } catch (e) {
@@ -13,7 +13,7 @@ module.exports = {
   },
 
   // 按顺序展开，哪怕嵌套。
-  stringifyOrdered (obj, { cmp, cycles = false, space = '', replacer, schemaColumns, excludeKeys = [] } = {}) {
+  stringify_by_keyorder (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。
 
@@ -135,7 +135,7 @@ module.exports = {
     return num
   },
 
-  hash (data, { hasher = 'sha256', salt, input = 'utf8', output = 'hex' } = {}) {
+  hash_easy (data, { hasher = 'sha256', salt, input = 'utf8', output = 'hex' } = {}) {
     if (typeof data !== 'string' && !(data instanceof Buffer) && !(data instanceof DataView)) data = JSON.stringify(data)
     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.
@@ -154,7 +154,7 @@ module.exports = {
    * @return {*}
    * @memberof TICrypto
    */
-  aiid2regcode (aiid) {
+  aiid_to_regcode (aiid) {
     const alphabet = 'e5fcdg3hqa4b1n0pij2rstuv67mwx89klyz'
     const base = 16367
     let num = (aiid + base) * (base - alphabet.length)
@@ -176,7 +176,7 @@ module.exports = {
    * @return {*}
    * @memberof TICrypto
    */
-  regcode2aiid (code) {
+  regcode_to_aiid (code) {
     if (typeof code === 'string' && /^[a-zA-Z0-9]+$/.test(code)) {
       const alphabet = 'e5fcdg3hqa4b1n0pij2rstuv67mwx89klyz'
       const base = 16367
@@ -194,4 +194,84 @@ module.exports = {
     }
     return null // null 代表一切非法的regcode
   },
+
+  isEmpty (value) {
+    switch (typeof value) {
+      case 'number':
+        if (value === 0 || value !== value) return true
+        return false
+      case 'object':
+        for (var attr in value) {
+          return false
+        }
+        /*	  	  if (JSON.stringify(value)==='{}'){
+            return true;
+          }
+          if (Object.keys(value).length===0){ // Object.keys(null) 会出错。
+            return true;
+          } */
+        return true
+      case 'string':
+        return value === '' ? true : false
+      case 'undefined':
+        return true
+      case 'boolean':
+        return value
+    }
+    return true
+  },
+
+  get_jstype (o) {
+    // 返回：一个字符串，表示标量类型 undefined,boolean,number,string 以及对象类型 Null, Object, Array, String, Boolean, Number, Function
+    var t = typeof o
+    return t === 'object' || t === 'function' // function是特殊的，typeof 结果是function, 但 Object.prototype.toString.call 结果是 [object Function]。我选用大写形式。
+      ? Object.prototype.toString.call(o).slice(8, -1) // 可以是 Null, Object, Function, Boolean, String, Number, Array (如果 o===undefined, 那就是Undefined), 还可能是 Date, Math, Uint8Array(如果是个Buffer)
+      : t // 可以是 undefined, boolean, number, string
+  },
+
+  read_varchain (path, root) {
+    var parent = root || globalThis || global || window || {}
+    var names = path.split('.')
+    for (var i in names) {
+      if (typeof parent === 'object' && names[i].match(/^\w+\(\)$/) && typeof parent[names[i].substring(0, names[i].length - 2)] === 'function') {
+        // 支持 xxx.myfunc().yyy 的函数形式作为一个路径节点。
+        parent = parent[names[i].substring(0, names[i].length - 2)]()
+      } else if (typeof parent === 'object' && names[i].match(/^\w+$/) && typeof parent[names[i]] != 'undefined' && parent[names[i]] != null) {
+        parent = parent[names[i]]
+      } else {
+        return null
+      }
+    }
+    return parent === null || parent === undefined ? null : parent
+  },
+
+  set_varchain (path, root, value) {
+    var parent = root || global || window || {}
+    var names = path.split('.')
+    for (var i = 0; i < names.length - 1; i++) {
+      if (typeof parent === 'object' && names[i].match(/^\w+$/)) {
+        if (typeof parent[names[i]] !== 'object') parent[names[i]] = {}
+        parent = parent[names[i]]
+      } else {
+        return null
+      }
+    }
+    return (parent[names[names.length - 1]] = value)
+  },
+
+  /**
+   * 对数组中的对象，按对象的key进行sortType排序
+   * @param key 数组中的对象为object,按object中的key进行排序
+   * @param sortType true为降序；false为升序
+   * 用法：
+   * var ary=[{id:1,name:"b"},{id:2,name:"b"}];
+   * ary.sort(keysort('name',true));
+   * ary.sort(keysort('name',false));
+   * ary.sort(keysort('id',false));
+   */
+  keysort (key, sortType) {
+    return function (a, b) {
+      return sortType ? ~~(a[key] < b[key]) : ~~(a[key] > b[key])
+    }
+  },
 }