@blockly/fixed-edges 
A Blockly MetricsManager that makes fixed edges more easily configurable.
Installation
Yarn
yarn add @blockly/fixed-edges
npm
npm install @blockly/fixed-edges --save
Usage
import * as Blockly from 'blockly';
import {FixedEdgesMetricsManager} from '@blockly/fixed-edges';
// Configure fixed edges
FixedEdgesMetricsManager.setFixedEdges({
  top: true,
  left: true,
});
// Inject Blockly.
const workspace = Blockly.inject('blocklyDiv', {
  toolbox: toolboxCategories,
  plugins: {
    metricsManager: FixedEdgesMetricsManager,
  },
});
API
setFixedEdges: Configures which edges are fixed. This does not prevent fixed edges set by no scrollbars or single-direction scrollbars.
License
Apache 2.0