105 lines
3 KiB
Svelte
105 lines
3 KiB
Svelte
<script lang="ts">
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import {onDestroy} from "svelte"
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import cx from "classnames"
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import type {Maybe, MaybeAsync} from "@welshman/lib"
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import Microphone from "@assets/icons/microphone.svg?dataurl"
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import Stop from "@assets/icons/record.svg?dataurl"
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import Icon from "@lib/components/Icon.svelte"
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import Button from "@lib/components/Button.svelte"
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import Spinner from "@lib/components/Spinner.svelte"
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import {errorMessage} from "@lib/util"
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import DictationEnable from "@app/components/DictationEnable.svelte"
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import {startDictation, transcribe} from "@app/dictation"
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import {getSetting} from "@app/settings"
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import {pushModal} from "@app/modal"
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import {pushToast} from "@app/toast"
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type Props = {
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recording?: boolean
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onTranscript: (text: string) => MaybeAsync<void>
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}
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let {recording = $bindable(false), onTranscript}: Props = $props()
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// Room noise idles just below this, so the pulse follows quiet speech too.
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const onLevel = (level: number) => {
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loud = level > 0.03
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}
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const start = async () => {
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if (getSetting("openrouter_key")) {
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// Granting microphone access can sit on a permission prompt for a while, so hold the button
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// until it resolves — a second click would open a stream nothing is left holding on to.
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loading = true
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try {
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finish = await startDictation(onLevel)
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recording = true
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} catch (error) {
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console.error(error)
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pushToast({theme: "error", message: "Failed to access your microphone."})
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} finally {
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loading = false
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}
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} else {
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pushModal(DictationEnable)
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}
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}
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const stop = async () => {
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if (finish) {
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const audio = finish()
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finish = undefined
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recording = false
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loading = true
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loud = false
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try {
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const text = await transcribe(await audio)
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await onTranscript(text)
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} catch (error) {
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console.error(error)
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pushToast({theme: "error", message: `Failed to transcribe: ${errorMessage(error)}`})
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} finally {
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loading = false
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}
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}
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}
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const toggle = () => (recording ? stop() : start())
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// Held outside of state because only the recording flag drives the markup, and clearing this
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// before the recorder has finished flushing is what keeps a second stop from re-entering.
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let finish: Maybe<() => Promise<Blob>>
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let loading = $state(false)
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let loud = $state(false)
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const buttonClass = $derived(
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cx(
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"button button-circle tip tip-left h-10 w-10 min-w-10",
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recording ? "button-error" : "button-primary",
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{"pulse-scale": loud},
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),
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)
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onDestroy(() => {
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finish?.()
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})
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</script>
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<Button
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class={buttonClass}
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data-tip={recording ? "Stop and transcribe" : "Record a message"}
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aria-label={recording ? "Stop recording" : "Start dictation"}
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disabled={loading}
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onclick={toggle}>
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{#if loading}
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<Spinner size="xs" />
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{:else if recording}
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<Icon icon={Stop} />
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{:else}
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<Icon icon={Microphone} />
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{/if}
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</Button>
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