@antv/x6/es/types/modifier.js

JavaScript diagramming library that uses SVG and HTML for rendering.

// eslint-disable-next-line
export var ModifierKey;
(function (ModifierKey) {
    function parse(modifiers) {
        const or = [];
        const and = [];
        if (Array.isArray(modifiers)) {
            or.push(...modifiers);
        }
        else {
            modifiers.split('|').forEach((item) => {
                if (item.indexOf('&') === -1) {
                    or.push(item);
                }
                else {
                    and.push(...item.split('&'));
                }
            });
        }
        return { or, and };
    }
    ModifierKey.parse = parse;
    function equals(modifiers1, modifiers2) {
        if (modifiers1 != null && modifiers2 != null) {
            const m1 = parse(modifiers1);
            const m2 = parse(modifiers2);
            const or1 = m1.or.sort();
            const or2 = m2.or.sort();
            const and1 = m1.and.sort();
            const and2 = m2.and.sort();
            const equal = (a1, a2) => {
                return (a1.length === a2.length &&
                    (a1.length === 0 || a1.every((a, i) => a === a2[i])));
            };
            return equal(or1, or2) && equal(and1, and2);
        }
        if (modifiers1 == null && modifiers2 == null) {
            return true;
        }
        return false;
    }
    ModifierKey.equals = equals;
    function isMatch(e, modifiers, strict) {
        if (modifiers == null ||
            (Array.isArray(modifiers) && modifiers.length === 0)) {
            return strict
                ? e.altKey !== true &&
                    e.ctrlKey !== true &&
                    e.metaKey !== true &&
                    e.shiftKey !== true
                : true;
        }
        const { or, and } = parse(modifiers);
        const match = (key) => {
            const name = `${key.toLowerCase()}Key`;
            return e[name] === true;
        };
        return or.some((key) => match(key)) && and.every((key) => match(key));
    }
    ModifierKey.isMatch = isMatch;
})(ModifierKey || (ModifierKey = {}));
//# sourceMappingURL=modifier.js.map