85 lines
2.5 KiB
Vue
85 lines
2.5 KiB
Vue
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<template>
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<textarea :class="cx('root')" :value="d_value" :name="name" :disabled="disabled" :aria-invalid="invalid || undefined" :data-p="dataP" @input="onInput" v-bind="attrs"></textarea>
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</template>
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<script>
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import { cn } from '@primeuix/utils';
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import { mergeProps } from 'vue';
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import BaseTextarea from './BaseTextarea.vue';
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export default {
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name: 'Textarea',
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extends: BaseTextarea,
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inheritAttrs: false,
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observer: null,
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mounted() {
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if (this.autoResize) {
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this.observer = new ResizeObserver(() => {
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// Firefox has issues without the requestAnimationFrame - ResizeObserver loop completed with undelivered notifications.
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requestAnimationFrame(() => {
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this.resize();
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});
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});
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this.observer.observe(this.$el);
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}
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},
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updated() {
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if (this.autoResize) {
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this.resize();
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}
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},
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beforeUnmount() {
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if (this.observer) {
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this.observer.disconnect();
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}
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},
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methods: {
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resize() {
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if (!this.$el.offsetParent) return;
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const currentHeight = this.$el.style.height;
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const currentHeightValue = parseInt(currentHeight) || 0;
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const initialScrollHeight = this.$el.scrollHeight;
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const needsExpanding = !currentHeightValue || initialScrollHeight > currentHeightValue;
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const needsShrinking = currentHeightValue && initialScrollHeight < currentHeightValue;
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if (needsShrinking) {
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this.$el.style.height = 'auto';
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this.$el.style.height = `${this.$el.scrollHeight}px`;
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} else if (needsExpanding) {
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this.$el.style.height = `${initialScrollHeight}px`;
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}
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},
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onInput(event) {
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if (this.autoResize) {
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this.resize();
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}
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this.writeValue(event.target.value, event);
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}
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},
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computed: {
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attrs() {
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return mergeProps(
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this.ptmi('root', {
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context: {
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filled: this.$filled,
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disabled: this.disabled
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}
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}),
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this.formField
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);
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},
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dataP() {
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return cn({
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invalid: this.$invalid,
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fluid: this.$fluid,
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filled: this.$variant === 'filled',
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[this.size]: this.size
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});
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}
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}
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};
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</script>
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