@wordpress/block-library/build-module/playlist/view.mjs.map

Block library for the WordPress editor.

{
  "version": 3,
  "sources": ["../../src/playlist/view.js"],
  "sourcesContent": ["import { store, getContext, getElement } from '@wordpress/interactivity';\nimport {\n\tinitWaveformPlayer,\n\tlogPlayError,\n\tsetupPlayButtonArtwork,\n\tupdateSeekControlLabel,\n} from '../utils/waveform-utils';\n\n/**\n * Store player state for each element.\n */\nconst playerState = new WeakMap();\nconst playlistPlayerState = new Map();\n\nconst { state } = store(\n\t'core/playlist',\n\t{\n\t\tstate: {\n\t\t\tplaylists: {},\n\t\t\tget isCurrentTrack() {\n\t\t\t\tconst { currentId, trackId } = getContext();\n\t\t\t\treturn currentId === trackId;\n\t\t\t},\n\t\t\tget isCurrentTrackPlaying() {\n\t\t\t\tconst { currentId, isPlaying, trackId } = getContext();\n\t\t\t\treturn currentId === trackId && !! isPlaying;\n\t\t\t},\n\t\t\tget trackButtonActionLabel() {\n\t\t\t\tconst { labelPauseTrack, labelSelectTrack } = getContext();\n\t\t\t\treturn state.isCurrentTrackPlaying\n\t\t\t\t\t? labelPauseTrack\n\t\t\t\t\t: labelSelectTrack;\n\t\t\t},\n\t\t},\n\t\tactions: {\n\t\t\tchangeTrack() {\n\t\t\t\tconst context = getContext();\n\t\t\t\tif ( context.currentId === context.trackId ) {\n\t\t\t\t\tconst player = playlistPlayerState.get(\n\t\t\t\t\t\tcontext.playlistId\n\t\t\t\t\t)?.instance;\n\t\t\t\t\tif ( player?.isPlaying ) {\n\t\t\t\t\t\tcontext.isPlaying = false;\n\t\t\t\t\t\tplayer.pause();\n\t\t\t\t\t} else {\n\t\t\t\t\t\tplayer?.play()?.catch( logPlayError );\n\t\t\t\t\t}\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tcontext.isPlaying = false;\n\t\t\t\tcontext.currentId = context.trackId;\n\t\t\t},\n\t\t},\n\t\tcallbacks: {\n\t\t\tinitWaveformPlayer() {\n\t\t\t\tconst context = getContext();\n\t\t\t\tconst { ref } = getElement();\n\n\t\t\t\tif ( ! context.currentId || ! ref ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst track =\n\t\t\t\t\tstate.playlists[ context.playlistId ]?.tracks[\n\t\t\t\t\t\tcontext.currentId\n\t\t\t\t\t];\n\t\t\t\tif ( ! track?.url ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tconst existing = playerState.get( ref );\n\n\t\t\t\t// Skip if we already initialized with this exact URL.\n\t\t\t\tif ( existing?.url === track.url ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Autoplay if we're switching from a different track (user action),\n\t\t\t\t// but not on initial page load (when existing has no URL).\n\t\t\t\tconst shouldAutoPlay = !! existing?.url;\n\n\t\t\t\tinitPlayer( ref, track, shouldAutoPlay, context );\n\t\t\t},\n\t\t},\n\t},\n\t{ lock: true }\n);\n\n/**\n * Initialize the waveform player for a given element.\n *\n * @param {Element} ref            - The container element.\n * @param {Object}  track          - The track data.\n * @param {boolean} shouldAutoPlay - Whether to auto-play after initialization.\n * @param {Object}  context        - The Interactivity API context.\n */\nfunction initPlayer( ref, track, shouldAutoPlay, context ) {\n\tconst existing = playerState.get( ref );\n\tconst showPlayButtonArtwork = context.showPlayButtonArtwork === true;\n\tconst playerArtwork = showPlayButtonArtwork ? '' : track.image;\n\n\t// If a player already exists, load the new track without recreating.\n\tif ( existing?.instance ) {\n\t\tconst shouldRecreatePlayer =\n\t\t\t!! existing.instance.artworkEl !== !! playerArtwork;\n\n\t\tif ( shouldRecreatePlayer ) {\n\t\t\texisting.destroy?.();\n\t\t\tplayerState.delete( ref );\n\t\t} else {\n\t\t\tplaylistPlayerState.set( context.playlistId, existing );\n\t\t\texisting.instance\n\t\t\t\t.loadTrack( track.url, track.title, track.artist, {\n\t\t\t\t\tartwork: playerArtwork,\n\t\t\t\t\tartworkAlt: playerArtwork ? track.imageAlt : '',\n\t\t\t\t} )\n\t\t\t\t.then( () => {\n\t\t\t\t\texisting.url = track.url;\n\t\t\t\t\tif ( existing.instance.artworkEl ) {\n\t\t\t\t\t\texisting.instance.artworkEl.alt = track.imageAlt || '';\n\t\t\t\t\t}\n\t\t\t\t\t// loadTrack() preserves the previous explicit seekLabel option.\n\t\t\t\t\tupdateSeekControlLabel(\n\t\t\t\t\t\texisting.instance,\n\t\t\t\t\t\ttrack.title || ref.dataset.labelSeek\n\t\t\t\t\t);\n\t\t\t\t\tif ( showPlayButtonArtwork ) {\n\t\t\t\t\t\tsetupPlayButtonArtwork(\n\t\t\t\t\t\t\texisting.container,\n\t\t\t\t\t\t\ttrack.image\n\t\t\t\t\t\t);\n\t\t\t\t\t}\n\t\t\t\t\tif ( shouldAutoPlay ) {\n\t\t\t\t\t\texisting.instance.play()?.catch( logPlayError );\n\t\t\t\t\t}\n\t\t\t\t} )\n\t\t\t\t.catch( logPlayError );\n\t\t\treturn;\n\t\t}\n\t}\n\n\t// Read translated labels from server-rendered data attributes.\n\tconst labels = {\n\t\tplay: ref.dataset.labelPlay,\n\t\tpause: ref.dataset.labelPause,\n\t\tseek: ref.dataset.labelSeek,\n\t\tseekValueText: ref.dataset.labelSeekValue,\n\t};\n\n\t// Initialize using the shared core.\n\tconst player = initWaveformPlayer( ref, {\n\t\tsrc: track.url,\n\t\ttitle: track.title,\n\t\tartist: track.artist,\n\t\timage: track.image,\n\t\timageAlt: track.imageAlt,\n\t\twaveformColor: ref.dataset.waveformPlayerColor,\n\t\twaveformGradient: ref.dataset.waveformPlayerGradient,\n\t\tbackgroundColor: ref.dataset.waveformPlayerBackgroundColor,\n\t\tbackgroundGradient: ref.dataset.waveformPlayerBackgroundGradient,\n\t\tautoPlay: shouldAutoPlay,\n\t\tlabels,\n\t\twaveformStyle: context.waveformStyle,\n\t\tshowPlayButtonArtwork,\n\t\tonEnded: () => {\n\t\t\t// Advance to next track (autoPlay handles playback).\n\t\t\tconst currentIndex = context.tracks.findIndex(\n\t\t\t\t( trackId ) => trackId === context.currentId\n\t\t\t);\n\t\t\tconst nextTrack = context.tracks[ currentIndex + 1 ];\n\t\t\tif ( nextTrack ) {\n\t\t\t\tcontext.currentId = nextTrack;\n\t\t\t}\n\t\t},\n\t} );\n\tconst setIsPlaying = ( isPlaying ) => {\n\t\tcontext.isPlaying = isPlaying;\n\t};\n\tconst onPlay = () => setIsPlaying( true );\n\tconst onPause = () => setIsPlaying( false );\n\tplayer.container.addEventListener( 'waveformplayer:play', onPlay );\n\tplayer.container.addEventListener( 'waveformplayer:pause', onPause );\n\tplayer.container.addEventListener( 'waveformplayer:ended', onPause );\n\tconst destroy = () => {\n\t\tplayer.container.removeEventListener( 'waveformplayer:play', onPlay );\n\t\tplayer.container.removeEventListener( 'waveformplayer:pause', onPause );\n\t\tplayer.container.removeEventListener( 'waveformplayer:ended', onPause );\n\t\tplayer.destroy();\n\t};\n\n\t// Store state for cleanup, including instance for loadTrack reuse.\n\tconst nextState = {\n\t\turl: track.url,\n\t\tinstance: player.instance,\n\t\tcontainer: player.container,\n\t\tdestroy,\n\t};\n\tplayerState.set( ref, nextState );\n\tplaylistPlayerState.set( context.playlistId, nextState );\n}\n"],
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