Anki/ts/routes/deck-options/WeightsInput.svelte

<!--
Copyright: Ankitects Pty Ltd and contributors
License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
-->
<script lang="ts">
    export let value: number[];
    export let defaults: number[];

    let stringValue: string;
    $: stringValue = render(value);

    function render(weights: number[]): string {
        return weights.map((v) => v.toFixed(4)).join(", ");
    }

    function update(this: HTMLInputElement): void {
        value = this.value
            .replace(/ /g, "")
            .split(",")
            .filter((e) => e)
            .map((v) => Number(v));
    }
</script>

<textarea
    value={stringValue}
    on:blur={update}
    class="w-100"
    placeholder={render(defaults)}
></textarea>