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feat: Adding max and min functions #32

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feat: Adding max and min functions #32

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16 changes: 16 additions & 0 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -189,4 +189,20 @@ SMPTE.isFramerateSupported = function (framerate) {
return SMPTE.supportedFrameRates.includes(framerate);
};

/**
* Gets the maximum timecode
* @param {Array.<SMPTE>} args List of timecode objects
*/
SMPTE.max = function (...args) {
return args.reduce((max, timecode) => timecode.frameCount > max.frameCount ? timecode : max);
};

/**
* Gets the minimum timecode
* @param {Array.<SMPTE>} args List of timecode objects
*/
SMPTE.min = function (...args) {
return args.reduce((min, timecode) => timecode.frameCount < min.frameCount ? timecode : min);
};

export default SMPTE;
52 changes: 52 additions & 0 deletions test/unit/timecode.static.js
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Expand Up @@ -258,4 +258,56 @@ describe('SMPTE', function () {
.to.equal(new SMPTE(timecode, FrameRate.FR_60).frameCount);
});
});

describe('.max()', function () {
it('should properly return the maximum timecode', function () {
const timecodeList = [
new SMPTE('00:00:03:00'),
new SMPTE('01:20:01:15'),
new SMPTE('00:00:05:10'),
new SMPTE('00:01:12:13'),
new SMPTE('00:00:00:10'),
];

expect(SMPTE.max(...timecodeList).toString()).to.equal('01:20:01:15');
});

it('should properly return the maximum timecode (multiple framerate)', function () {
const timecodeList = [
new SMPTE('00:00:03:00', FrameRate.FR_30),
new SMPTE('01:20:01:15', FrameRate.FR_59_94),
new SMPTE('00:00:05:10', FrameRate.FR_25),
new SMPTE('00:01:12;13', FrameRate.FR_29_97, true),
new SMPTE('00:00:00:10', FrameRate.FR_24),
];

expect(SMPTE.max(...timecodeList).toString()).to.equal('01:20:01:15');
});
});

describe('.min()', function () {
it('should properly return the minimum timecode', function () {
const timecodeList = [
new SMPTE('00:00:03:00'),
new SMPTE('01:20:01:15'),
new SMPTE('00:00:05:10'),
new SMPTE('00:01:12:13'),
new SMPTE('00:00:00:10'),
];

expect(SMPTE.min(...timecodeList).toString()).to.equal('00:00:00:10');
});

it('should properly return the minimum timecode (multiple framerate)', function () {
const timecodeList = [
new SMPTE('00:00:03:00', FrameRate.FR_30),
new SMPTE('01:20:01:15', FrameRate.FR_59_94),
new SMPTE('00:00:05:10', FrameRate.FR_25),
new SMPTE('00:01:12;13', FrameRate.FR_29_97, true),
new SMPTE('00:00:00:10', FrameRate.FR_24),
];

expect(SMPTE.min(...timecodeList).toString()).to.equal('00:00:00:10');
});
});
});