@babel/types/lib/utils/inherit.js

Babel Types is a Lodash-esque utility library for AST nodes

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = inherit;
function inherit(key, child, parent) {
  if (child && parent) {
    child[key] = Array.from(new Set([].concat(child[key], parent[key]).filter(Boolean)));
  }
}

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