50 lines
1.5 KiB
HTML
50 lines
1.5 KiB
HTML
<span class="compose-box-length {{overLimit ? 'over-char-limit' : ''}}"
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aria-label="{{lengthLabel}}">
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{{lengthToDisplayDeferred || '0'}}
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</span>
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<style>
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.compose-box-length {
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grid-area: length;
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justify-self: right;
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color: var(--main-theme-color);
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font-size: 1.3em;
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align-self: center;
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}
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.compose-box-length.over-char-limit {
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color: var(--warning-color);
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}
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</style>
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<script>
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import { CHAR_LIMIT } from '../../_static/statuses'
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import { mark, stop } from '../../_utils/marks'
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import { store } from '../../_store/store'
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import { scheduleIdleTask } from '../../_utils/scheduleIdleTask'
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export default {
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oncreate () {
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let { lengthToDisplay } = this.get()
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this.set({lengthToDisplayDeferred: lengthToDisplay})
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// perf improvement for keyboard input latency
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this.observe('lengthToDisplay', () => {
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scheduleIdleTask(() => {
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mark('set lengthToDisplayDeferred')
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let { lengthToDisplay } = this.get() || {} // TODO: wtf svelte?
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this.set({lengthToDisplayDeferred: lengthToDisplay})
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stop('set lengthToDisplayDeferred')
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})
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}, {init: false})
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},
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store: () => store,
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computed: {
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lengthToDisplay: (length) => CHAR_LIMIT - length,
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lengthLabel: (overLimit, lengthToDisplayDeferred) => {
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if (overLimit) {
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return `${lengthToDisplayDeferred} characters over limit`
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} else {
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return `${lengthToDisplayDeferred} characters remaining`
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}
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}
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}
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}
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</script> |