resize_rows.js

var ResizeRows = function(table){
    this.table = table; //hold Tabulator object
    this.startColumn = false;
    this.startY = false;
    this.startHeight = false;
    this.handle = null;
    this.prevHandle = null;
};

ResizeRows.prototype.initializeRow = function(row){
    var self = this,
    rowEl = row.getElement();

    var handle = document.createElement('div');
    handle.className = "tabulator-row-resize-handle";

    var prevHandle = document.createElement('div');
    prevHandle.className = "tabulator-row-resize-handle prev";

    handle.addEventListener("click", function(e){
        e.stopPropagation();
    });

    var handleDown = function(e){
        self.startRow = row;
        self._mouseDown(e, row, handle);
    };

    handle.addEventListener("mousedown", handleDown);
    handle.addEventListener("touchstart", handleDown, {passive: true});

    prevHandle.addEventListener("click", function(e){
        e.stopPropagation();
    });


    var prevHandleDown =  function(e){
        var prevRow = self.table.rowManager.prevDisplayRow(row);

        if(prevRow){
            self.startRow = prevRow;
            self._mouseDown(e, prevRow, prevHandle);
        }
    };

    prevHandle.addEventListener("mousedown",prevHandleDown);
    prevHandle.addEventListener("touchstart",prevHandleDown, {passive: true});

    rowEl.appendChild(handle);
    rowEl.appendChild(prevHandle);
};

ResizeRows.prototype._mouseDown = function(e, row, handle){
    var self = this;

    self.table.element.classList.add("tabulator-block-select");

    function mouseMove(e){
        row.setHeight(self.startHeight + ((typeof e.screenY === "undefined" ? e.touches[0].screenY : e.screenY) - self.startY));
    }

    function mouseUp(e){

        // //block editor from taking action while resizing is taking place
        // if(self.startColumn.modules.edit){
        //  self.startColumn.modules.edit.blocked = false;
        // }

        document.body.removeEventListener("mouseup", mouseMove);
        document.body.removeEventListener("mousemove", mouseMove);

        handle.removeEventListener("touchmove", mouseMove);
        handle.removeEventListener("touchend", mouseUp);

        self.table.element.classList.remove("tabulator-block-select");

        self.table.options.rowResized.call(this.table, row.getComponent());
    }

    e.stopPropagation(); //prevent resize from interfereing with movable columns

    //block editor from taking action while resizing is taking place
    // if(self.startColumn.modules.edit){
    //  self.startColumn.modules.edit.blocked = true;
    // }

    self.startY = typeof e.screenY === "undefined" ? e.touches[0].screenY : e.screenY;
    self.startHeight = row.getHeight();

    document.body.addEventListener("mousemove", mouseMove);
    document.body.addEventListener("mouseup", mouseUp);

    handle.addEventListener("touchmove", mouseMove, {passive: true});
    handle.addEventListener("touchend", mouseUp);
};

Tabulator.prototype.registerModule("resizeRows", ResizeRows);