angular-4-data-table-bootstrap-4/dist/utils/drag.js

An Angular 4 data table, with pagination, sorting, expandable rows etc. Bootstrap 4 version.

export function drag(event, _a) {
    var move = _a.move, up = _a.up;
    var startX = event.pageX;
    var startY = event.pageY;
    var x = startX;
    var y = startY;
    var moved = false;
    function mouseMoveHandler(event) {
        var dx = event.pageX - x;
        var dy = event.pageY - y;
        x = event.pageX;
        y = event.pageY;
        if (dx || dy)
            moved = true;
        move(event, dx, dy, x, y);
        event.preventDefault(); // to avoid text selection
    }
    function mouseUpHandler(event) {
        x = event.pageX;
        y = event.pageY;
        document.removeEventListener('mousemove', mouseMoveHandler);
        document.removeEventListener('mouseup', mouseUpHandler);
        if (up)
            up(event, x, y, moved);
    }
    document.addEventListener('mousemove', mouseMoveHandler);
    document.addEventListener('mouseup', mouseUpHandler);
}
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