From 683a09a261a0fa4967532c27b65ea4cc010cf174 Mon Sep 17 00:00:00 2001
From: qjuly <1719483930@qq.com>
Date: Fri, 8 Jul 2022 13:23:57 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B7=BB=E5=8A=A0=20#27=20=E4=BB=BB?=
 =?UTF-8?q?=E5=8A=A1.=E5=AD=97=E7=AC=A6=E4=B8=B2=E7=9A=84=E8=BD=AC?=
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---
 src/canvas/index.ts |  9 --------
 src/string/index.ts | 52 ++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 44 insertions(+), 17 deletions(-)

diff --git a/src/canvas/index.ts b/src/canvas/index.ts
index ee7012a..b8a90b5 100644
--- a/src/canvas/index.ts
+++ b/src/canvas/index.ts
@@ -1,12 +1,3 @@
-/**
- * @func isSupportWebP
- * @returns {boolean}
- * @desc 判断浏览器是否支持webP格式图片
- */
-export function isSupportWebP() {
-  return !![].map && document.createElement('canvas').toDataURL('image/webp').indexOf('data:image/webp') == 0;
-}
-
 /**
  * @func getImageBase64Url
  * @param {HTMLImageElement} image
diff --git a/src/string/index.ts b/src/string/index.ts
index 231daea..2ed256c 100644
--- a/src/string/index.ts
+++ b/src/string/index.ts
@@ -21,7 +21,7 @@ export const randomString = (len: number) => {
  */
 export const firstUpperCase = (str: string) => {
   return str.charAt(0).toUpperCase() + str.slice(1);
-}
+};
 
 /**
  * @func telEncrypt
@@ -31,7 +31,7 @@ export const firstUpperCase = (str: string) => {
  */
 export const telEncrypt = (tel: number) => {
   return tel.toString().replace(/(\d{3})\d{4}(\d{4})/, '$1****$2');
-}
+};
 
 /**
  * @func getKebabCase
@@ -40,8 +40,8 @@ export const telEncrypt = (tel: number) => {
  * @desc  转换成短横线命名
  */
 export const getKebabCase = (str: string) => {
-  return str.replace(/[A-Z]/g, (item) => '-' + item.toLowerCase())
-}
+  return str.replace(/[A-Z]/g, item => '-' + item.toLowerCase());
+};
 /**
  * @func getCamelCase
  * @param {string} str
@@ -49,9 +49,45 @@ export const getKebabCase = (str: string) => {
  * @desc  转换成驼峰命名
  */
 export const getCamelCase = (str: string) => {
-  return str.replace(/-([a-z])/g, (i, item) => item.toUpperCase())
-}
-
-
+  return str.replace(/-([a-z])/g, (i, item) => item.toUpperCase());
+};
 
+/**
+ * @func getEscapeString
+ * @param {string} str
+ * @returns {string}
+ * @desc 字符串的转义,将`&`, `<`, `>`, `"`, `'`分别转义为`&amp;`, `&lt;`,  `&gt;`, `&quot;`, `&#x27;`
+ */
+export const getEscapeString = (str: string): string => {
+  const ESCAPE = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#x27;',
+  };
+  const ESCAPE_EXPR = /(&|<|>|"|')/g;
+  return ('' + str).replace(ESCAPE_EXPR, match => {
+    return ESCAPE[match];
+  });
+};
 
+/**
+ * @func getUnEscapeString
+ * @param {string} str
+ * @returns {string}
+ * @desc 字符串的反转义,将`&amp;`, `&lt;`,  `&gt;`, `&quot;`, `&#x27;`替换为转义前的符号
+ */
+export const getUnEscapeString = (str: string): string => {
+  const UN_ESCAPE = {
+    '&amp;': '&',
+    '&lt;': '<',
+    '&gt;': '>',
+    '&quot;': '"',
+    '&#x27;': "'",
+  };
+  const UN_ESCAPE_EXPR = /(&amp;|&lt;|&gt;|&quot;|&#x27;)/g;
+  return ('' + str).replace(UN_ESCAPE_EXPR, match => {
+    return UN_ESCAPE[match];
+  });
+};