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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | 44x 2x | import { MILLISECONDS } from "./constants";
import { IlrclibResponse, ILyrics } from "types/lyrics";
function convertTimestampToMs(
minutes: string,
seconds: string,
centiseconds: string
): number {
return (
parseInt(minutes) * MILLISECONDS.MINUTE +
parseInt(seconds) * MILLISECONDS.SECOND +
parseInt(centiseconds) * MILLISECONDS.CENTISECOND
);
}
function parseSyncedLyrics(
syncedLyrics: IlrclibResponse["syncedLyrics"]
): ILyrics["lyrics"]["lines"] {
const lines = syncedLyrics?.split("\n").filter((line) => line.trim());
const mappedLines = lines?.map((line, index, array) => {
const timeMatch = RegExp(/\[(\d{2}):(\d{2})\.(\d{2})\]/).exec(line);
Iif (!timeMatch) return null;
const [, minutes, seconds, centiseconds] = timeMatch;
const startTimeMs = convertTimestampToMs(
minutes,
seconds,
centiseconds
).toString();
let endTimeMs = startTimeMs;
if (index < array.length - 1) {
const nextTimeMatch = RegExp(/\[(\d{2}):(\d{2})\.(\d{2})\]/).exec(
array[index + 1]
);
Iif (nextTimeMatch) {
const [, nextMin, nextSec, nextCent] = nextTimeMatch;
endTimeMs = convertTimestampToMs(nextMin, nextSec, nextCent).toString();
}
} else {
endTimeMs = (parseInt(startTimeMs) + 5000).toString();
}
const words = line.replace(/\[\d{2}:\d{2}\.\d{2}\]/, "").trim();
return {
startTimeMs,
endTimeMs,
words,
syllables: [],
};
});
return (
mappedLines?.filter(
(line): line is NonNullable<typeof line> => line !== null
) || []
);
}
function parseUnsyncedLyrics(
plainLyrics: IlrclibResponse["plainLyrics"]
): ILyrics["lyrics"]["lines"] {
const lines = plainLyrics?.split("\n").filter((line) => line.trim());
return (
lines?.map((line) => ({
startTimeMs: "0",
endTimeMs: "0",
words: line.trim(),
syllables: [],
})) || []
);
}
function getInstrumentalLine(): ILyrics["lyrics"]["lines"] {
return [
{
startTimeMs: "0",
endTimeMs: "0",
words: "♪ Instrumental ♪",
syllables: [],
},
];
}
function getLines(lrclibResponse: IlrclibResponse, hasSync: boolean) {
Iif (lrclibResponse.instrumental) {
return getInstrumentalLine();
}
Iif (hasSync) {
return parseSyncedLyrics(lrclibResponse.syncedLyrics);
}
return parseUnsyncedLyrics(lrclibResponse.plainLyrics);
}
export function normalizeLrcLibLyrics(
lrclibResponse: IlrclibResponse
): ILyrics {
const hasSync = !!lrclibResponse.syncedLyrics?.includes("[");
const syncType = hasSync ? "LINE_SYNCED" : "UNSYNCED";
const lines = getLines(lrclibResponse, hasSync);
return {
lyrics: {
syncType: syncType,
lines: lines,
provider: "lrclib",
providerLyricsId: lrclibResponse.id.toString(),
providerDisplayName: "LRCLib",
syncLyricsUri: `https://lrclib.net/api/get/${lrclibResponse.id}`,
isDenseTypeface: false,
alternatives: [],
language: "en",
isRtlLanguage: false,
fullscreenAction: "FULLSCREEN_LYRICS",
},
colors: {
background: -9013642,
text: -16777216,
highlightText: -1,
},
hasVocalRemoval: false,
};
}
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