feat(utils): 新增 toSingleLineString

src/utils/index.ts

@@ -86,6 +86,7 @@ export * from './signal'
 export * from './swap'
 export * from './toFullWidthString'
 export * from './toHalfWidthString'
+export * from './toSingleLineString'
 export * from './traverse'
 export * from './TreeData'
 export * from './wait'

src/utils/toSingleLineString.test.ts

@@ -0,0 +1,17 @@
+import { toSingleLineString } from './toSingleLineString'
+
+describe('toSingleLineString', () => {
+  test('ok', () => {
+    expect(toSingleLineString('a\rb')).toBe('a b')
+    expect(toSingleLineString('a\r\n\n\r\nb')).toBe('a b')
+    expect(toSingleLineString('a\r\n\n\r\nb\r\n')).toBe('a b')
+    expect(toSingleLineString('a\r\n\n\r\nb\r\nc')).toBe('a b c')
+    expect(toSingleLineString('\r\n\n\r\n')).toBe('')
+    expect(toSingleLineString('a\rb\ncvldlddd', 5)).toBe('a ...')
+    expect(
+      toSingleLineString('a\rb\ncvldlddd', {
+        length: 5,
+      }),
+    ).toBe('a ...')
+  })
+})

src/utils/toSingleLineString.ts

@@ -0,0 +1,24 @@
+import { truncate } from 'lodash-uni'
+import type { TruncateOptions } from 'lodash'
+
+/**
+ * 将多行字符串转换为单行字符串。
+ *
+ * @param value 要转换的字符串
+ * @returns 返回结果
+ */
+export function toSingleLineString(
+  value: string,
+  truncateOptions?: number | TruncateOptions,
+): string {
+  let res = value.replace(/[\r\n]+/g, ' ').trim()
+  if (truncateOptions) {
+    res = truncate(
+      res,
+      typeof truncateOptions === 'number'
+        ? { length: truncateOptions }
+        : truncateOptions,
+    )
+  }
+  return res
+}