ace-diff/src/visuals/getMode.js

A diff/merging wrapper for Ace Editor built on google-diff-match-patch

const C = require('../constants');

module.exports = function getMode(acediff, editor) {
  let { mode } = acediff.options;
  if (editor === C.EDITOR_LEFT && acediff.options.left.mode !== null) {
    mode = acediff.options.left.mode;
  }
  if (editor === C.EDITOR_RIGHT && acediff.options.right.mode !== null) {
    mode = acediff.options.right.mode;
  }
  return mode;
};