mirror of
https://github.com/CompassConnections/Compass.git
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4c76b643e3
- Implemented `AudioPlayer` for custom audio playback controls. - Added `useAudioRecorder` hook for managing microphone audio recording with visual feedback. - Introduced audio transcription API integration using OpenAI Whisper. - Created `blobToBase64` utility to encode recorded blobs for API consumption. - Added IndexedDB-based `recording-store` for saving in-progress recordings. - Developed `VoiceAutofillSection` for guided recording, playback, transcription, and editing.
23 lines
794 B
TypeScript
23 lines
794 B
TypeScript
/**
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* Base64-encodes a Blob, without the `data:...;base64,` prefix.
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*
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* FileReader rather than `Buffer`/`btoa`: it streams, so a multi-megabyte audio recording does not
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* have to be materialised as a JS string of char codes first.
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*/
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export function blobToBase64(blob: Blob): Promise<string> {
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return new Promise((resolve, reject) => {
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const reader = new FileReader()
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reader.onerror = () => reject(reader.error ?? new Error('Failed to read blob'))
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reader.onload = () => {
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const result = reader.result
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if (typeof result !== 'string') {
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reject(new Error('Unexpected FileReader result'))
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return
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}
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const comma = result.indexOf(',')
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resolve(comma === -1 ? result : result.slice(comma + 1))
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}
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reader.readAsDataURL(blob)
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})
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}
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