'use strict';

const length = [
    // absolute length units https://www.w3.org/TR/css-values-3/#lengths
    'cm', 'mm', 'q', 'in', 'pt', 'pc', 'px',
    // font-relative length units https://drafts.csswg.org/css-values-4/#font-relative-lengths
    'em', 'rem',
    'ex', 'rex',
    'cap', 'rcap',
    'ch', 'rch',
    'ic', 'ric',
    'lh', 'rlh',
    // viewport-percentage lengths https://drafts.csswg.org/css-values-4/#viewport-relative-lengths
    'vw', 'svw', 'lvw', 'dvw',
    'vh', 'svh', 'lvh', 'dvh',
    'vi', 'svi', 'lvi', 'dvi',
    'vb', 'svb', 'lvb', 'dvb',
    'vmin', 'svmin', 'lvmin', 'dvmin',
    'vmax', 'svmax', 'lvmax', 'dvmax',
    // container relative lengths https://drafts.csswg.org/css-contain-3/#container-lengths
    'cqw', 'cqh', 'cqi', 'cqb', 'cqmin', 'cqmax'
];
const angle = ['deg', 'grad', 'rad', 'turn'];    // https://www.w3.org/TR/css-values-3/#angles
const time = ['s', 'ms'];                        // https://www.w3.org/TR/css-values-3/#time
const frequency = ['hz', 'khz'];                 // https://www.w3.org/TR/css-values-3/#frequency
const resolution = ['dpi', 'dpcm', 'dppx', 'x']; // https://www.w3.org/TR/css-values-3/#resolution
const flex = ['fr'];                             // https://drafts.csswg.org/css-grid/#fr-unit
const decibel = ['db'];                          // https://www.w3.org/TR/css3-speech/#mixing-props-voice-volume
const semitones = ['st'];                        // https://www.w3.org/TR/css3-speech/#voice-props-voice-pitch

exports.angle = angle;
exports.decibel = decibel;
exports.flex = flex;
exports.frequency = frequency;
exports.length = length;
exports.resolution = resolution;
exports.semitones = semitones;
exports.time = time;