Vue textarea autosize

<template>
	<div>
    	<textarea
          ref="text-input"
          v-model="text"
          :style="{
            height: textareaHeight
          }"
          rows="1"
          @input="onTextInput"
        />
    </div>
</template>

<script lang="ts">

@Component
export default class App extends Vue {
  textareaHeight = ''
  text = ''
  minTextareaHeight = 40

  onTextInput() {
      this.$nextTick(() => {
        this.textareaHeight = 'auto'

        this.$nextTick(() => {
          const comp = this.$refs['text-input'] as HTMLTextAreaElement | undefined

          if (comp) {
            const scrollHeight = comp.scrollHeight

            let newHeight: number

            if (scrollHeight >= this.minTextareaHeight) {
              newHeight = scrollHeight
            } else {
              newHeight = this.minTextareaHeight
            }

            this.textareaHeight = `${newHeight}px`
          }
        })
      })
   }
}
</script>

Similar codes

2 votes256 views2 answers
Key value typescript
TypeScript
0 vote326 views1 answer
Typescript get class properties
TypeScript
5 votes229 views5 answers
Combine two lists c#
TypeScript
18 votes265 views2 answers
Keys of array exist in array
TypeScript
0 vote249 views1 answer
Check if that inex exisits array c#
TypeScript
51 votes383 views3 answers
Remove duplicates from a list of lists python
TypeScript
-1 vote231 views1 answer
How to install typescript on linux
TypeScript
4 votes245 views3 answers
Flutter unfocus textfield
TypeScript
0 vote226 views1 answer
Flutter real device ios vscode
TypeScript
0 vote248 views1 answer
Create dict of value to index from list python
TypeScript