app/node_modules/mathjax-full/js/output/common/Wrappers/scriptbase.js

"use strict";
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        extendStatics = Object.setPrototypeOf ||
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};
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommonScriptbaseMixin = void 0;
var MmlNode_js_1 = require("../../../core/MmlTree/MmlNode.js");
function CommonScriptbaseMixin(Base) {
    var _a;
    return _a = (function (_super) {
            __extends(class_1, _super);
            function class_1() {
                var args = [];
                for (var _i = 0; _i < arguments.length; _i++) {
                    args[_i] = arguments[_i];
                }
                var _this = _super.apply(this, __spreadArray([], __read(args), false)) || this;
                _this.baseScale = 1;
                _this.baseIc = 0;
                _this.baseRemoveIc = false;
                _this.baseIsChar = false;
                _this.baseHasAccentOver = null;
                _this.baseHasAccentUnder = null;
                _this.isLineAbove = false;
                _this.isLineBelow = false;
                _this.isMathAccent = false;
                var core = _this.baseCore = _this.getBaseCore();
                if (!core)
                    return _this;
                _this.setBaseAccentsFor(core);
                _this.baseScale = _this.getBaseScale();
                _this.baseIc = _this.getBaseIc();
                _this.baseIsChar = _this.isCharBase();
                _this.isMathAccent = _this.baseIsChar &&
                    (_this.scriptChild && !!_this.scriptChild.coreMO().node.getProperty('mathaccent'));
                _this.checkLineAccents();
                _this.baseRemoveIc = !_this.isLineAbove && !_this.isLineBelow &&
                    (!_this.constructor.useIC || _this.isMathAccent);
                return _this;
            }
            Object.defineProperty(class_1.prototype, "baseChild", {
                get: function () {
                    return this.childNodes[this.node.base];
                },
                enumerable: false,
                configurable: true
            });
            Object.defineProperty(class_1.prototype, "scriptChild", {
                get: function () {
                    return this.childNodes[1];
                },
                enumerable: false,
                configurable: true
            });
            class_1.prototype.getBaseCore = function () {
                var core = this.getSemanticBase() || this.childNodes[0];
                while (core &&
                    ((core.childNodes.length === 1 &&
                        (core.node.isKind('mrow') ||
                            (core.node.isKind('TeXAtom') && core.node.texClass !== MmlNode_js_1.TEXCLASS.VCENTER) ||
                            core.node.isKind('mstyle') || core.node.isKind('mpadded') ||
                            core.node.isKind('mphantom') || core.node.isKind('semantics'))) ||
                        (core.node.isKind('munderover') && core.isMathAccent))) {
                    this.setBaseAccentsFor(core);
                    core = core.childNodes[0];
                }
                if (!core) {
                    this.baseHasAccentOver = this.baseHasAccentUnder = false;
                }
                return core || this.childNodes[0];
            };
            class_1.prototype.setBaseAccentsFor = function (core) {
                if (core.node.isKind('munderover')) {
                    if (this.baseHasAccentOver === null) {
                        this.baseHasAccentOver = !!core.node.attributes.get('accent');
                    }
                    if (this.baseHasAccentUnder === null) {
                        this.baseHasAccentUnder = !!core.node.attributes.get('accentunder');
                    }
                }
            };
            class_1.prototype.getSemanticBase = function () {
                var fence = this.node.attributes.getExplicit('data-semantic-fencepointer');
                return this.getBaseFence(this.baseChild, fence);
            };
            class_1.prototype.getBaseFence = function (fence, id) {
                var e_1, _a;
                if (!fence || !fence.node.attributes || !id) {
                    return null;
                }
                if (fence.node.attributes.getExplicit('data-semantic-id') === id) {
                    return fence;
                }
                try {
                    for (var _b = __values(fence.childNodes), _c = _b.next(); !_c.done; _c = _b.next()) {
                        var child = _c.value;
                        var result = this.getBaseFence(child, id);
                        if (result) {
                            return result;
                        }
                    }
                }
                catch (e_1_1) { e_1 = { error: e_1_1 }; }
                finally {
                    try {
                        if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
                    }
                    finally { if (e_1) throw e_1.error; }
                }
                return null;
            };
            class_1.prototype.getBaseScale = function () {
                var child = this.baseCore;
                var scale = 1;
                while (child && child !== this) {
                    var bbox = child.getOuterBBox();
                    scale *= bbox.rscale;
                    child = child.parent;
                }
                return scale;
            };
            class_1.prototype.getBaseIc = function () {
                return this.baseCore.getOuterBBox().ic * this.baseScale;
            };
            class_1.prototype.getAdjustedIc = function () {
                var bbox = this.baseCore.getOuterBBox();
                return (bbox.ic ? 1.05 * bbox.ic + .05 : 0) * this.baseScale;
            };
            class_1.prototype.isCharBase = function () {
                var base = this.baseCore;
                return (((base.node.isKind('mo') && base.size === null) ||
                    base.node.isKind('mi') || base.node.isKind('mn')) &&
                    base.bbox.rscale === 1 && Array.from(base.getText()).length === 1);
            };
            class_1.prototype.checkLineAccents = function () {
                if (!this.node.isKind('munderover'))
                    return;
                if (this.node.isKind('mover')) {
                    this.isLineAbove = this.isLineAccent(this.scriptChild);
                }
                else if (this.node.isKind('munder')) {
                    this.isLineBelow = this.isLineAccent(this.scriptChild);
                }
                else {
                    var mml = this;
                    this.isLineAbove = this.isLineAccent(mml.overChild);
                    this.isLineBelow = this.isLineAccent(mml.underChild);
                }
            };
            class_1.prototype.isLineAccent = function (script) {
                var node = script.coreMO().node;
                return (node.isToken && node.getText() === '\u2015');
            };
            class_1.prototype.getBaseWidth = function () {
                var bbox = this.baseChild.getOuterBBox();
                return bbox.w * bbox.rscale - (this.baseRemoveIc ? this.baseIc : 0) + this.font.params.extra_ic;
            };
            class_1.prototype.computeBBox = function (bbox, recompute) {
                if (recompute === void 0) { recompute = false; }
                var w = this.getBaseWidth();
                var _a = __read(this.getOffset(), 2), x = _a[0], y = _a[1];
                bbox.append(this.baseChild.getOuterBBox());
                bbox.combine(this.scriptChild.getOuterBBox(), w + x, y);
                bbox.w += this.font.params.scriptspace;
                bbox.clean();
                this.setChildPWidths(recompute);
            };
            class_1.prototype.getOffset = function () {
                return [0, 0];
            };
            class_1.prototype.baseCharZero = function (n) {
                var largeop = !!this.baseCore.node.attributes.get('largeop');
                var scale = this.baseScale;
                return (this.baseIsChar && !largeop && scale === 1 ? 0 : n);
            };
            class_1.prototype.getV = function () {
                var bbox = this.baseCore.getOuterBBox();
                var sbox = this.scriptChild.getOuterBBox();
                var tex = this.font.params;
                var subscriptshift = this.length2em(this.node.attributes.get('subscriptshift'), tex.sub1);
                return Math.max(this.baseCharZero(bbox.d * this.baseScale + tex.sub_drop * sbox.rscale), subscriptshift, sbox.h * sbox.rscale - (4 / 5) * tex.x_height);
            };
            class_1.prototype.getU = function () {
                var bbox = this.baseCore.getOuterBBox();
                var sbox = this.scriptChild.getOuterBBox();
                var tex = this.font.params;
                var attr = this.node.attributes.getList('displaystyle', 'superscriptshift');
                var prime = this.node.getProperty('texprimestyle');
                var p = prime ? tex.sup3 : (attr.displaystyle ? tex.sup1 : tex.sup2);
                var superscriptshift = this.length2em(attr.superscriptshift, p);
                return Math.max(this.baseCharZero(bbox.h * this.baseScale - tex.sup_drop * sbox.rscale), superscriptshift, sbox.d * sbox.rscale + (1 / 4) * tex.x_height);
            };
            class_1.prototype.hasMovableLimits = function () {
                var display = this.node.attributes.get('displaystyle');
                var mo = this.baseChild.coreMO().node;
                return (!display && !!mo.attributes.get('movablelimits'));
            };
            class_1.prototype.getOverKU = function (basebox, overbox) {
                var accent = this.node.attributes.get('accent');
                var tex = this.font.params;
                var d = overbox.d * overbox.rscale;
                var t = tex.rule_thickness * tex.separation_factor;
                var delta = (this.baseHasAccentOver ? t : 0);
                var T = (this.isLineAbove ? 3 * tex.rule_thickness : t);
                var k = (accent ? T : Math.max(tex.big_op_spacing1, tex.big_op_spacing3 - Math.max(0, d))) - delta;
                return [k, basebox.h * basebox.rscale + k + d];
            };
            class_1.prototype.getUnderKV = function (basebox, underbox) {
                var accent = this.node.attributes.get('accentunder');
                var tex = this.font.params;
                var h = underbox.h * underbox.rscale;
                var t = tex.rule_thickness * tex.separation_factor;
                var delta = (this.baseHasAccentUnder ? t : 0);
                var T = (this.isLineBelow ? 3 * tex.rule_thickness : t);
                var k = (accent ? T : Math.max(tex.big_op_spacing2, tex.big_op_spacing4 - h)) - delta;
                return [k, -(basebox.d * basebox.rscale + k + h)];
            };
            class_1.prototype.getDeltaW = function (boxes, delta) {
                var e_2, _a, e_3, _b;
                if (delta === void 0) { delta = [0, 0, 0]; }
                var align = this.node.attributes.get('align');
                var widths = boxes.map(function (box) { return box.w * box.rscale; });
                widths[0] -= (this.baseRemoveIc && !this.baseCore.node.attributes.get('largeop') ? this.baseIc : 0);
                var w = Math.max.apply(Math, __spreadArray([], __read(widths), false));
                var dw = [];
                var m = 0;
                try {
                    for (var _c = __values(widths.keys()), _d = _c.next(); !_d.done; _d = _c.next()) {
                        var i = _d.value;
                        dw[i] = (align === 'center' ? (w - widths[i]) / 2 :
                            align === 'right' ? w - widths[i] : 0) + delta[i];
                        if (dw[i] < m) {
                            m = -dw[i];
                        }
                    }
                }
                catch (e_2_1) { e_2 = { error: e_2_1 }; }
                finally {
                    try {
                        if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
                    }
                    finally { if (e_2) throw e_2.error; }
                }
                if (m) {
                    try {
                        for (var _e = __values(dw.keys()), _f = _e.next(); !_f.done; _f = _e.next()) {
                            var i = _f.value;
                            dw[i] += m;
                        }
                    }
                    catch (e_3_1) { e_3 = { error: e_3_1 }; }
                    finally {
                        try {
                            if (_f && !_f.done && (_b = _e.return)) _b.call(_e);
                        }
                        finally { if (e_3) throw e_3.error; }
                    }
                }
                [1, 2].map(function (i) { return dw[i] += (boxes[i] ? boxes[i].dx * boxes[0].scale : 0); });
                return dw;
            };
            class_1.prototype.getDelta = function (noskew) {
                if (noskew === void 0) { noskew = false; }
                var accent = this.node.attributes.get('accent');
                var _a = this.baseCore.getOuterBBox(), sk = _a.sk, ic = _a.ic;
                return ((accent && !noskew ? sk : 0) + this.font.skewIcFactor * ic) * this.baseScale;
            };
            class_1.prototype.stretchChildren = function () {
                var e_4, _a, e_5, _b, e_6, _c;
                var stretchy = [];
                try {
                    for (var _d = __values(this.childNodes), _e = _d.next(); !_e.done; _e = _d.next()) {
                        var child = _e.value;
                        if (child.canStretch(2)) {
                            stretchy.push(child);
                        }
                    }
                }
                catch (e_4_1) { e_4 = { error: e_4_1 }; }
                finally {
                    try {
                        if (_e && !_e.done && (_a = _d.return)) _a.call(_d);
                    }
                    finally { if (e_4) throw e_4.error; }
                }
                var count = stretchy.length;
                var nodeCount = this.childNodes.length;
                if (count && nodeCount > 1) {
                    var W = 0;
                    var all = (count > 1 && count === nodeCount);
                    try {
                        for (var _f = __values(this.childNodes), _g = _f.next(); !_g.done; _g = _f.next()) {
                            var child = _g.value;
                            var noStretch = (child.stretch.dir === 0);
                            if (all || noStretch) {
                                var _h = child.getOuterBBox(noStretch), w = _h.w, rscale = _h.rscale;
                                if (w * rscale > W)
                                    W = w * rscale;
                            }
                        }
                    }
                    catch (e_5_1) { e_5 = { error: e_5_1 }; }
                    finally {
                        try {
                            if (_g && !_g.done && (_b = _f.return)) _b.call(_f);
                        }
                        finally { if (e_5) throw e_5.error; }
                    }
                    try {
                        for (var stretchy_1 = __values(stretchy), stretchy_1_1 = stretchy_1.next(); !stretchy_1_1.done; stretchy_1_1 = stretchy_1.next()) {
                            var child = stretchy_1_1.value;
                            child.coreMO().getStretchedVariant([W / child.bbox.rscale]);
                        }
                    }
                    catch (e_6_1) { e_6 = { error: e_6_1 }; }
                    finally {
                        try {
                            if (stretchy_1_1 && !stretchy_1_1.done && (_c = stretchy_1.return)) _c.call(stretchy_1);
                        }
                        finally { if (e_6) throw e_6.error; }
                    }
                }
            };
            return class_1;
        }(Base)),
        _a.useIC = true,
        _a;
}
exports.CommonScriptbaseMixin = CommonScriptbaseMixin;
//# sourceMappingURL=scriptbase.js.map