feat(utils): 新增 toFullWidthString

src/utils/index.ts

@@ -82,6 +82,7 @@ export * from './sampleIndex'
 export * from './selectDom'
 export * from './signal'
 export * from './swap'
+export * from './toFullWidthString'
 export * from './toHalfWidthString'
 export * from './traverse'
 export * from './TreeData'

src/utils/toFullWidthString.test.ts

@@ -0,0 +1,13 @@
+import { toFullWidthString } from './toFullWidthString'
+
+describe('toFullWidthString', () => {
+  test('ok', () => {
+    expect(toFullWidthString(' ')).toBe('　')
+    expect(toFullWidthString('1234567890')).toBe('１２３４５６７８９０')
+    expect(toFullWidthString('abcdefghijklmnopqrstuvwxyz')).toBe(
+      'ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ',
+    )
+    expect(toFullWidthString(',@!#&()%{}')).toBe('，＠！＃＆（）％｛｝')
+    expect(toFullWidthString('[]"".$*')).not.toBe('【】“”。￥×')
+  })
+})

src/utils/toFullWidthString.ts

@@ -0,0 +1,20 @@
+/**
+ * 转换为全角字符串。
+ *
+ * @param value 要转换的字符串
+ * @returns 返回转换后的全角字符串
+ */
+export function toFullWidthString(value: string): string {
+  let result = ''
+  for (let i = 0; i < value.length; i++) {
+    const charCode = value.charCodeAt(i)
+    if (charCode === 32) {
+      result += String.fromCharCode(12288)
+    } else if (charCode < 127) {
+      result += String.fromCharCode(value.charCodeAt(i) + 65248)
+    } else {
+      result += String.fromCharCode(value.charCodeAt(i))
+    }
+  }
+  return result
+}

src/utils/toHalfWidthString.ts

@@ -9,7 +9,7 @@ export function toHalfWidthString(value: string): string {
   for (let i = 0; i < value.length; i++) {
     const charCode = value.charCodeAt(i)
     if (charCode === 12288) {
-      result += String.fromCharCode(charCode - 12256)
+      result += String.fromCharCode(32)
     } else if (charCode > 65280 && charCode < 65375) {
       result += String.fromCharCode(charCode - 65248)
     } else {