{
  "version": 3,
  "sources": ["../../src/playlist/view.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { store, getContext, getElement } from '@wordpress/interactivity';\n\n/**\n * Internal dependencies\n */\nimport { initWaveformPlayer, logPlayError } from '../utils/waveform-utils';\n\n/**\n * Store player state for each element.\n */\nconst playerState = new WeakMap();\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, uniqueId } = getContext();\n\t\t\t\treturn currentId === uniqueId;\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\tcontext.currentId = context.uniqueId;\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\n\t// If a player already exists, load the new track without recreating.\n\tif ( existing?.instance ) {\n\t\texisting.instance\n\t\t\t.loadTrack( track.url, track.title, track.artist, {\n\t\t\t\tartwork: track.image,\n\t\t\t} )\n\t\t\t.then( () => {\n\t\t\t\texisting.url = track.url;\n\t\t\t\tif ( shouldAutoPlay ) {\n\t\t\t\t\texisting.instance.play()?.catch( logPlayError );\n\t\t\t\t}\n\t\t\t} )\n\t\t\t.catch( logPlayError );\n\t\treturn;\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};\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\tautoPlay: shouldAutoPlay,\n\t\tlabels,\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( uniqueId ) => uniqueId === 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\n\t// Store state for cleanup, including instance for loadTrack reuse.\n\tplayerState.set( ref, {\n\t\turl: track.url,\n\t\tinstance: player.instance,\n\t\tdestroy: player.destroy,\n\t} );\n}\n"],
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