app/node_modules/mathjax-full/js/util/lengths.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.px = exports.emRounded = exports.em = exports.percent = exports.length2em = exports.MATHSPACE = exports.RELUNITS = exports.UNITS = exports.BIGDIMEN = void 0;
exports.BIGDIMEN = 1000000;
exports.UNITS = {
    px: 1,
    'in': 96,
    cm: 96 / 2.54,
    mm: 96 / 25.4
};
exports.RELUNITS = {
    em: 1,
    ex: .431,
    pt: 1 / 10,
    pc: 12 / 10,
    mu: 1 / 18
};
exports.MATHSPACE = {
    veryverythinmathspace: 1 / 18,
    verythinmathspace: 2 / 18,
    thinmathspace: 3 / 18,
    mediummathspace: 4 / 18,
    thickmathspace: 5 / 18,
    verythickmathspace: 6 / 18,
    veryverythickmathspace: 7 / 18,
    negativeveryverythinmathspace: -1 / 18,
    negativeverythinmathspace: -2 / 18,
    negativethinmathspace: -3 / 18,
    negativemediummathspace: -4 / 18,
    negativethickmathspace: -5 / 18,
    negativeverythickmathspace: -6 / 18,
    negativeveryverythickmathspace: -7 / 18,
    thin: .04,
    medium: .06,
    thick: .1,
    normal: 1,
    big: 2,
    small: 1 / Math.sqrt(2),
    infinity: exports.BIGDIMEN
};
function length2em(length, size, scale, em) {
    if (size === void 0) { size = 0; }
    if (scale === void 0) { scale = 1; }
    if (em === void 0) { em = 16; }
    if (typeof length !== 'string') {
        length = String(length);
    }
    if (length === '' || length == null) {
        return size;
    }
    if (exports.MATHSPACE[length]) {
        return exports.MATHSPACE[length];
    }
    var match = length.match(/^\s*([-+]?(?:\.\d+|\d+(?:\.\d*)?))?(pt|em|ex|mu|px|pc|in|mm|cm|%)?/);
    if (!match) {
        return size;
    }
    var m = parseFloat(match[1] || '1'), unit = match[2];
    if (exports.UNITS.hasOwnProperty(unit)) {
        return m * exports.UNITS[unit] / em / scale;
    }
    if (exports.RELUNITS.hasOwnProperty(unit)) {
        return m * exports.RELUNITS[unit];
    }
    if (unit === '%') {
        return m / 100 * size;
    }
    return m * size;
}
exports.length2em = length2em;
function percent(m) {
    return (100 * m).toFixed(1).replace(/\.?0+$/, '') + '%';
}
exports.percent = percent;
function em(m) {
    if (Math.abs(m) < .001)
        return '0';
    return (m.toFixed(3).replace(/\.?0+$/, '')) + 'em';
}
exports.em = em;
function emRounded(m, em) {
    if (em === void 0) { em = 16; }
    m = (Math.round(m * em) + .05) / em;
    if (Math.abs(m) < .001)
        return '0em';
    return m.toFixed(3).replace(/\.?0+$/, '') + 'em';
}
exports.emRounded = emRounded;
function px(m, M, em) {
    if (M === void 0) { M = -exports.BIGDIMEN; }
    if (em === void 0) { em = 16; }
    m *= em;
    if (M && m < M)
        m = M;
    if (Math.abs(m) < .1)
        return '0';
    return m.toFixed(1).replace(/\.0$/, '') + 'px';
}
exports.px = px;
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