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LeoJS API Access Sample Extension

For Leo script samples with LeoJS and UI interaction, see scripting-samples-leojs

This is a sample extension that shows you how to access and use LeoJS from another extension through its exposed instance of the leoGlobals 'g' object.

It grabs the extension, and the g object is what is actually exported by the activation method

const extension = vscode.extensions.getExtension('boltex.leojs');
const g = await extension.activate();

To run and try it. with LeoJS installed, and this extension started (see Running the Sample below) Open the command palette with CTRL+SHIFT+P and type 'Hello'.

This should access LeoJs and display a message about the number of Leo documents opened along with the headline of the currently selected node.

There is also a hook that is setup as example of usage of Leo 'hooks'with g.registerHandler. Inserting a node triggers a hook that is registered on the "create-node" event like so:

g.registerHandler("create-node", newNodeHandler);

Demo

demo

VS Code API

vscode module

Contribution Points

Running the Sample

  • Run npm install in terminal to install dependencies
  • Run the Run Extension target in the Debug View. This will:
    • Start a task npm: watch to compile the code
    • Run the extension in a new VS Code window