Parse Duration
This commit is contained in:
commit
610c13fcef
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@ -1,13 +1,16 @@
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on: push
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on: push
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name: Main Workflow
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name: Main Workflow
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jobs:
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jobs:
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runNpmStuff:
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tests:
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strategy:
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matrix:
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node: ['16', '14', '12']
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name: Run NPM Stuff
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name: Run NPM Stuff
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runs-on: ubuntu-latest
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runs-on: ubuntu-latest
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steps:
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steps:
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- uses: actions/checkout@v1
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- uses: actions/checkout@v1
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- uses: actions/setup-node@v2
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- uses: actions/setup-node@v2
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with:
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with:
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node-version: '16'
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node-version: ${{matrix.node}}
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- run: npm install
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- run: npm install
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- run: npm test
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- run: npm test
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@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## Unreleased
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## Unreleased
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### Added
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- Tracklists using duration instead of timestamps are now supported.
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## 1.0.5 - 2021-07-21
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## 1.0.5 - 2021-07-21
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### Changed
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### Changed
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19
README.md
19
README.md
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@ -8,7 +8,7 @@ Generate CUE sheet from timestamps in youtube video description.
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2. The video has timestamps in the video description.
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2. The video has timestamps in the video description.
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3. The video is publicly available on Youtube.
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3. The video is publicly available on Youtube.
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`youtube-cue` will read the video description, get the timestamps and generate a [CUE sheet][cue] accordingly.
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`youtube-cue` will read the video description, get the timestamps and generate a [CUE sheet][cue] accordingly. It will also work if track durations are used instead of timestamps.
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## Anti-features
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## Anti-features
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@ -37,10 +37,19 @@ You need to pass 2 parameters, a Youtube URL and a output CUE filename. YouTube
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--help, Show help
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--help, Show help
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--audio-file, Input Audio File (optional) that is written to the CUE sheet
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--audio-file, Input Audio File (optional) that is written to the CUE sheet
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The default audio file is set to %VIDEOTITLE.m4a
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The default audio file is set to %VIDEOTITLE.m4a
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The default output file is set to %VIDEOTITLE.cue
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The default output file is set to %VIDEOTITLE.cue
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where $VIDEOTITLE is the title of the YouTube video.
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where $VIDEOTITLE is the title of the YouTube video.
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Generally the parser detects whether numbers are positional timestamps or track durations.
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To enforce a desired interpretation you can use these flags:
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--timestamps Parse as positional timestamps (relative to the start of the playlist)
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--durations Parse as track durations
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The above 2 are only needed to force behaviour in
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very specific edge cases, they should not be required for most files.
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Examples
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Examples
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$ youtube-cue --audio-file audio.m4a "https://www.youtube.com/watch?v=THzUassmQwE"
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$ youtube-cue --audio-file audio.m4a "https://www.youtube.com/watch?v=THzUassmQwE"
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@ -66,7 +75,7 @@ function ytdl.album() {
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## HACKING
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## HACKING
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- If this video does not work on a specific video, please attach the complete output
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- If it does not work on a specific video, please attach the complete output
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- Pull Requests are welcome that add support for a better parser without breaking the existing tests
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- Pull Requests are welcome that add support for a better parser without breaking the existing tests
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- Please add tests for any new functionality
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- Please add tests for any new functionality
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21
index.js
21
index.js
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@ -4,6 +4,7 @@ import getArtistTitle from 'get-artist-title'
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import {parse} from './src/parser.js'
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import {parse} from './src/parser.js'
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import {generate} from './src/cue.js'
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import {generate} from './src/cue.js'
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import minimist from 'minimist'
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import minimist from 'minimist'
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import exit from 'process'
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let argv = minimist(process.argv.slice(2), {
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let argv = minimist(process.argv.slice(2), {
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string: 'audio-file'
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string: 'audio-file'
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@ -22,6 +23,15 @@ if (argv._.length <1 || argv.help ){
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where $VIDEOTITLE is the title of the YouTube video.
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where $VIDEOTITLE is the title of the YouTube video.
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Generally the parser detects whether numbers are positional timestamps or track durations.
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To enforce a desired interpretation you can use these flags:
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--timestamps Parse as positional timestamps (relative to the start of the playlist)
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--durations Parse as track durations
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The above 2 are only needed to force behaviour in very specific edge cases, they should
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not be required for most files.
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Examples
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Examples
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$ youtube-cue --audio-file audio.m4a "https://www.youtube.com/watch?v=THzUassmQwE"
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$ youtube-cue --audio-file audio.m4a "https://www.youtube.com/watch?v=THzUassmQwE"
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"T A Y L O R S W I F T – Folklore [Full album].cue" saved
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"T A Y L O R S W I F T – Folklore [Full album].cue" saved
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@ -35,13 +45,22 @@ if (argv._.length <1 || argv.help ){
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let output_file = argv._[1]? argv._[1] : `${info.videoDetails.title}.cue`
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let output_file = argv._[1]? argv._[1] : `${info.videoDetails.title}.cue`
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let forceTimestamps = argv['timestamps']? argv['timestamps'] : false;
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let forceDurations = argv['durations']? argv['durations'] : false;
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if (forceTimestamps && forceDurations) {
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console.error("You can't pass both --timestamps and durations");
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exit(1)
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}
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let res = getArtistTitle(info.videoDetails.title,{
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let res = getArtistTitle(info.videoDetails.title,{
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defaultArtist: "Unknown Artist",
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defaultArtist: "Unknown Artist",
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defaultTitle: info.videoDetails.title
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defaultTitle: info.videoDetails.title
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});
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});
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let [artist, album] = res
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let [artist, album] = res
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artist = (info.videoDetails.media ? info.videoDetails.media.artist : artist)
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artist = (info.videoDetails.media ? info.videoDetails.media.artist : artist)
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let tracks = parse(info.videoDetails.description, {artist})
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let tracks = parse(info.videoDetails.description, {artist, forceTimestamps, forceDurations})
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generate({tracks, artist, audioFile, album}, output_file)
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generate({tracks, artist, audioFile, album}, output_file)
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console.log(`"${output_file}" saved`)
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console.log(`"${output_file}" saved`)
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})
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})
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@ -1,6 +1,6 @@
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{
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{
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"name": "youtube-cue",
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"name": "youtube-cue",
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"version": "1.0.5",
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"version": "1.0.6-beta.0",
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"description": "Generates Cue sheet from Youtube URL",
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"description": "Generates Cue sheet from Youtube URL",
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"main": "index.js",
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"main": "index.js",
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"scripts": {
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"scripts": {
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172
src/parser.js
172
src/parser.js
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@ -21,93 +21,171 @@
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* It is suggested to check their lengths and pick one to parse as the Track Title
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* It is suggested to check their lengths and pick one to parse as the Track Title
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*/
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*/
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const TS_REGEX = /^((?<trackl>\d{1,3})\.)? *(?<text_1>.*?) *[\(\[]?(?<start_ts>((?<start_hh>\d{1,2}):)?(?<start_mm>\d{1,2}):(?<start_ss>\d{1,2})) *-? *[\)\]]?(?<end_ts>(?<end_hh>\d{1,2}:)?(?<end_mm>\d{1,2}):(?<end_ss>\d{1,2}))? *((?<trackr>\d{1,3})\.)? *(?<text_2>.*?)$/;
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const TS_REGEX = /^((?<trackl>\d{1,3})\.)? *(?<text_1>.*?) *[\(\[]?(?<start_ts>((?<start_hh>\d{1,2}):)?(?<start_mm>\d{1,2}):(?<start_ss>\d{1,2})) *-? *[\)\]]?(?<end_ts>(?<end_hh>\d{1,2}:)?(?<end_mm>\d{1,2}):(?<end_ss>\d{1,2}))? *((?<trackr>\d{1,3})\.)? *(?<text_2>.*?)$/;
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import getArtistTitle from 'get-artist-title'
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import getArtistTitle from "get-artist-title";
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var _options = {};
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var _options = {};
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function convertTime(h,m,s) {
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// Returns number of total seconds
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return (+h) * 60 * 60 + (+m) * 60 + (+s)
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function convertTime(h, m, s) {
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return +h * 60 * 60 + +m * 60 + +s;
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}
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}
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// Only picks out lines which have a timestamp in them
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var filterTimestamp = function(line) {
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var filterTimestamp = function(line) {
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return TS_REGEX.test(line)
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return TS_REGEX.test(line);
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};
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};
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// Parse each line as per the regex
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var firstPass = function(line) {
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var firstPass = function(line) {
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let matches = line.match(TS_REGEX);
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let matches = line.match(TS_REGEX);
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let track = matches.groups['trackl'] ? +matches.groups['trackl'] : (matches.groups['trackr'] ? +matches.groups['trackr'] : null)
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let track = matches.groups["trackl"]
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? +matches.groups["trackl"]
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: matches.groups["trackr"]
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? +matches.groups["trackr"]
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: null;
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return {
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return {
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track: track,
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track: track,
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start: {
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start: {
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ts: matches.groups['start_ts'].length<6 ? `00:${matches.groups['start_ts']}` : matches.groups['start_ts'],
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ts:
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hh: matches.groups['start_hh'] ? +matches.groups['start_hh'] : 0,
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matches.groups["start_ts"].length < 6
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? `00:${matches.groups["start_ts"]}`
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: matches.groups["start_ts"],
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hh: matches.groups["start_hh"] ? +matches.groups["start_hh"] : 0,
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// These 2 are always set
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// These 2 are always set
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mm: +matches.groups['start_mm'],
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mm: +matches.groups["start_mm"],
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ss: +matches.groups['start_ss'],
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ss: +matches.groups["start_ss"],
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},
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},
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end: (matches.groups['end_ts']!==undefined ? {
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end:
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ts: matches.groups['end_ts']? matches.groups['end_ts'] : null,
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matches.groups["end_ts"] !== undefined
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hh: matches.groups['end_hh']? +matches.groups['end_hh'] : null,
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? {
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mm: matches.groups['end_mm']? +matches.groups['end_mm'] : null,
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ts: matches.groups["end_ts"] ? matches.groups["end_ts"] : null,
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ss: matches.groups['end_ss']? +matches.groups['end_ss'] : null,
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hh: matches.groups["end_hh"] ? +matches.groups["end_hh"] : null,
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} : null),
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mm: matches.groups["end_mm"] ? +matches.groups["end_mm"] : null,
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ss: matches.groups["end_ss"] ? +matches.groups["end_ss"] : null,
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}
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: null,
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_: {
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_: {
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left_text: matches.groups['text_1'],
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left_text: matches.groups["text_1"],
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right_text: matches.groups['text_2']
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right_text: matches.groups["text_2"],
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}
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},
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}
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};
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};
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};
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// Add a calc attribute with total seconds
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var calcTimestamp = function(obj) {
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var calcTimestamp = function(obj) {
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if(obj.end) {
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if (obj.end) {
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obj.end.calc = convertTime(obj.end.hh,obj.end.mm,obj.end.ss)
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obj.end.calc = convertTime(obj.end.hh, obj.end.mm, obj.end.ss);
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}
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}
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obj.start.calc = convertTime(obj.start.hh,obj.start.mm,obj.start.ss)
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obj.start.calc = convertTime(obj.start.hh, obj.start.mm, obj.start.ss);
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return obj
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return obj;
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}
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};
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// Pick the longer "text" from left or right side.
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var parseTitle = function(obj) {
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var parseTitle = function(obj) {
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obj.title = obj._.left_text.length > obj._.right_text.length
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obj.title =
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? obj._.left_text : obj._.right_text;
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obj._.left_text.length > obj._.right_text.length
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return obj
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? obj._.left_text
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}
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: obj._.right_text;
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return obj;
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};
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// Parse the text as the title/artist
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var parseArtist = function(obj) {
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var parseArtist = function(obj) {
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let [artist, title] = getArtistTitle(obj.title, {
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let [artist, title] = getArtistTitle(obj.title, {
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defaultArtist: _options.artist,
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defaultArtist: _options.artist,
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defaultTitle: obj.title
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defaultTitle: obj.title,
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});
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});
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obj.artist = artist
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obj.artist = artist;
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obj.title = title
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obj.title = title;
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return obj
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return obj;
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};
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};
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// If track numbers are not present, add them accordingly
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var addTrack = function(obj, index) {
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var addTrack = function(obj, index) {
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if (obj.track==null) {
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if (obj.track == null) {
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obj.track = index+1
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obj.track = index + 1;
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}
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}
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return obj
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return obj;
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}
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};
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// Add "end" timestamps as next start timestamps
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var addEnd = function(obj, index, arr) {
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var addEnd = function(obj, index, arr) {
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if (!obj.end) {
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if (!obj.end) {
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if(arr.length!=index+1) {
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if (arr.length != index + 1) {
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let next = arr[index+1]
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let next = arr[index + 1];
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obj.end = next.start
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obj.end = next.start;
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return obj
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return obj;
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}
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}
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}
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}
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return obj
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return obj;
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}
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};
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export function parse (text, options = { artist: 'Unknown' }) {
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var timeToObject = function(obj) {
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let d = new Date(obj.calc * 1000).toISOString();
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obj.hh = +d.substr(11, 2);
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obj.mm = +d.substr(14, 2);
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obj.ss = +d.substr(17, 2);
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obj.ts = d.substr(11, 8);
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return obj;
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};
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// Instead of timestamps, some tracklists use durations
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// If durations are provided, use them to re-calculate
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// the starting and ending timestamps
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var fixDurations = function(list) {
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for (let i in list) {
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if (i == 0) {
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// Set the first one to start of track.
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list[i].start.hh = list[i].start.mm = list[i].start.ss = 0;
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// And end at the right time
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list[i].end = { calc: list[i].start.calc };
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list[i].start.calc = 0;
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} else {
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// All the others tracks start at the end of the previous one
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// And end at start time + duration
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let previous = list[i - 1];
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list[i].end = { calc: previous.end.calc + list[i].start.calc };
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list[i].start.calc = previous.end.calc;
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}
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list[i].start = timeToObject(list[i].start);
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list[i].end = timeToObject(list[i].end);
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}
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};
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export function parse(
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text,
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options = { artist: "Unknown", forceTimestamps: false, forceDurations: false }
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) {
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_options = options;
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_options = options;
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return text
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let durations = false;
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.split('\n')
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let result = text
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.split("\n")
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.filter(filterTimestamp)
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.filter(filterTimestamp)
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.map(firstPass)
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.map(firstPass)
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.map(calcTimestamp)
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.map(calcTimestamp);
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|
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if (!options.forceTimestamps) {
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// If our timestamps are not in increasing order
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// Assume that we've been given a duration list instead
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if (result[0].start.calc!=0) {
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result.forEach((current, index, list) => {
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|
if (index > 0) {
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let previous = list[index - 1];
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if (current.start.calc < previous.start.calc) {
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durations = true;
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}
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}
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|
});
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|
}
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|
|
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|
if (durations || options.forceDurations == true) {
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|
fixDurations(result);
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|
}
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|
}
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|
|
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|
return result
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.map(parseTitle)
|
.map(parseTitle)
|
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.map(parseArtist)
|
.map(parseArtist)
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.map(addTrack)
|
.map(addTrack)
|
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.map(addEnd)
|
.map(addEnd);
|
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}
|
}
|
||||||
|
|
|
@ -5,10 +5,10 @@ import { parse } from "../src/parser.js";
|
||||||
|
|
||||||
const TEXT = `
|
const TEXT = `
|
||||||
00:40 The Coders - Hello World
|
00:40 The Coders - Hello World
|
||||||
12:23 This is not the end
|
1:00 This is not the end
|
||||||
Something else in the middle
|
Something else in the middle
|
||||||
1:23:11 Not the last song
|
1:23 Not the last song
|
||||||
01. Screens 0:00 - 5:40
|
01. Screens 1:40 - 5:40
|
||||||
02. Inharmonious Slog 5:40 - 10:11
|
02. Inharmonious Slog 5:40 - 10:11
|
||||||
03. The Everyday Push 10:11 - 15:46
|
03. The Everyday Push 10:11 - 15:46
|
||||||
04. Storm 15:46 - 19:07
|
04. Storm 15:46 - 19:07
|
||||||
|
@ -65,15 +65,153 @@ describe("Parser", function() {
|
||||||
|
|
||||||
it("should parse timestamps with square brackets", function() {
|
it("should parse timestamps with square brackets", function() {
|
||||||
let result = parse(`[00:00:00] 1. Steve Kroeger x Skye Holland - Through The Dark
|
let result = parse(`[00:00:00] 1. Steve Kroeger x Skye Holland - Through The Dark
|
||||||
[00:02:53] 2. Gabri Ponte x Jerome - Lonely `)
|
[00:02:53] 2. Gabri Ponte x Jerome - Lonely `);
|
||||||
assert.deepEqual(result[0], {
|
assert.deepEqual(result[0], {
|
||||||
artist: "Steve Kroeger x Skye Holland",
|
artist: "Steve Kroeger x Skye Holland",
|
||||||
title: "Through The Dark",
|
title: "Through The Dark",
|
||||||
track: 1,
|
track: 1,
|
||||||
start: { ts: "00:00:00", hh: 0, mm: 0, ss: 0, calc: 0 },
|
start: { ts: "00:00:00", hh: 0, mm: 0, ss: 0, calc: 0 },
|
||||||
end: { ts: "00:02:53", hh: 0, mm: 2, ss: 53, calc: 173 },
|
end: { ts: "00:02:53", hh: 0, mm: 2, ss: 53, calc: 173 },
|
||||||
_: { left_text: "", right_text: "Steve Kroeger x Skye Holland - Through The Dark" },
|
_: {
|
||||||
})
|
left_text: "",
|
||||||
|
right_text: "Steve Kroeger x Skye Holland - Through The Dark",
|
||||||
|
},
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
it("should parse durations when given", function() {
|
||||||
|
let result = parse(`1. Artist - Title 6:19
|
||||||
|
2. Another Artist - Another Title 6:59
|
||||||
|
3. Yet Another Artist - Yet another title 5:12`);
|
||||||
|
assert.deepEqual(result[0], {
|
||||||
|
artist: "Artist",
|
||||||
|
title: "Title",
|
||||||
|
track: 1,
|
||||||
|
start: { ts: "00:00:00", hh: 0, mm: 0, ss: 0, calc: 0 },
|
||||||
|
end: { ts: "00:06:19", hh: 0, mm: 6, ss: 19, calc: 379 },
|
||||||
|
_: { left_text: "Artist - Title", right_text: "" },
|
||||||
|
});
|
||||||
|
|
||||||
|
assert.deepEqual(result[1], {
|
||||||
|
artist: "Another Artist",
|
||||||
|
title: "Another Title",
|
||||||
|
track: 2,
|
||||||
|
start: { ts: "00:06:19", hh: 0, mm: 6, ss: 19, calc: 379 },
|
||||||
|
end: { ts: "00:13:18", hh: 0, mm: 13, ss: 18, calc: 798 },
|
||||||
|
_: { left_text: "Another Artist - Another Title", right_text: "" },
|
||||||
|
});
|
||||||
|
assert.deepEqual(result[2], {
|
||||||
|
artist: "Yet Another Artist",
|
||||||
|
title: "Yet another title",
|
||||||
|
track: 3,
|
||||||
|
start: { ts: "00:13:18", hh: 0, mm: 13, ss: 18, calc: 798 },
|
||||||
|
end: { ts: "00:18:30", hh: 0, mm: 18, ss: 30, calc: 1110 },
|
||||||
|
_: {
|
||||||
|
left_text: "Yet Another Artist - Yet another title",
|
||||||
|
right_text: "",
|
||||||
|
},
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
it("should parse as timestamps if first timestamp is 00:00", function() {
|
||||||
|
let result = parse(`1. Artist - Title 00:00
|
||||||
|
2. Another Artist - Another Title 01:00
|
||||||
|
3. Yet Another Artist - Yet another title 02:00`);
|
||||||
|
assert.deepEqual(result[0], {
|
||||||
|
artist: "Artist",
|
||||||
|
title: "Title",
|
||||||
|
track: 1,
|
||||||
|
start: { ts: "00:00:00", hh: 0, mm: 0, ss: 0, calc: 0 },
|
||||||
|
end: { ts: "00:01:00", hh: 0, mm: 1, ss: 0, calc: 60 },
|
||||||
|
_: { left_text: "Artist - Title", right_text: "" },
|
||||||
|
});
|
||||||
|
|
||||||
|
assert.deepEqual(result[1], {
|
||||||
|
artist: "Another Artist",
|
||||||
|
title: "Another Title",
|
||||||
|
track: 2,
|
||||||
|
end: { ts: "00:02:00", hh: 0, mm: 2, ss: 0, calc: 120 },
|
||||||
|
start: { ts: "00:01:00", hh: 0, mm: 1, ss: 0, calc: 60 },
|
||||||
|
_: { left_text: "Another Artist - Another Title", right_text: "" },
|
||||||
|
});
|
||||||
|
assert.deepEqual(result[2], {
|
||||||
|
artist: "Yet Another Artist",
|
||||||
|
title: "Yet another title",
|
||||||
|
track: 3,
|
||||||
|
end: null,
|
||||||
|
start: { ts: "00:02:00", hh: 0, mm: 2, ss: 0, calc: 120 },
|
||||||
|
_: { left_text: "Yet Another Artist - Yet another title", right_text: "" },
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
it("should parse durations as timestamps when forced", function() {
|
||||||
|
let result = parse(
|
||||||
|
`1. Artist - Title 5:00
|
||||||
|
2. Another Artist - Another Title 4:20`,
|
||||||
|
{ forceTimestamps: true }
|
||||||
|
);
|
||||||
|
assert.deepEqual(result[0].end, {
|
||||||
|
ts: "00:4:20",
|
||||||
|
hh: 0,
|
||||||
|
mm: 4,
|
||||||
|
ss: 20,
|
||||||
|
calc: 260,
|
||||||
|
});
|
||||||
|
assert.deepEqual(result[1].start, {
|
||||||
|
ts: "00:4:20",
|
||||||
|
hh: 0,
|
||||||
|
mm: 4,
|
||||||
|
ss: 20,
|
||||||
|
calc: 260,
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
it("should parse timestamps as durations when forced", function() {
|
||||||
|
let result = parse(
|
||||||
|
`1. Artist - Title 1:00
|
||||||
|
2. Another Artist - Another Title 1:15`,
|
||||||
|
{ forceDurations: true }
|
||||||
|
);
|
||||||
|
assert.deepEqual(result[0], {
|
||||||
|
track: 1,
|
||||||
|
_: { left_text: "Artist - Title", right_text: "" },
|
||||||
|
title: "Title",
|
||||||
|
artist: "Artist",
|
||||||
|
end: {
|
||||||
|
ts: "00:01:00",
|
||||||
|
hh: 0,
|
||||||
|
mm: 1,
|
||||||
|
ss: 0,
|
||||||
|
calc: 60,
|
||||||
|
},
|
||||||
|
start: {
|
||||||
|
ts: "00:00:00",
|
||||||
|
hh: 0,
|
||||||
|
mm: 0,
|
||||||
|
ss: 0,
|
||||||
|
calc: 0,
|
||||||
|
},
|
||||||
|
});
|
||||||
|
assert.deepEqual(result[1], {
|
||||||
|
track: 2,
|
||||||
|
_: { left_text: "Another Artist - Another Title", right_text: "" },
|
||||||
|
title: "Another Title",
|
||||||
|
artist: "Another Artist",
|
||||||
|
start: {
|
||||||
|
ts: "00:01:00",
|
||||||
|
hh: 0,
|
||||||
|
mm: 1,
|
||||||
|
ss: 0,
|
||||||
|
calc: 60,
|
||||||
|
},
|
||||||
|
end: {
|
||||||
|
ts: "00:02:15",
|
||||||
|
hh: 0,
|
||||||
|
mm: 2,
|
||||||
|
ss: 15,
|
||||||
|
calc: 135,
|
||||||
|
},
|
||||||
|
});
|
||||||
});
|
});
|
||||||
|
|
||||||
it("should parse taylor swift", function() {
|
it("should parse taylor swift", function() {
|
||||||
|
|
Loading…
Reference in New Issue