How to use the @babel/helpers.ensure function in @babel/helpers
To help you get started, we’ve selected a few @babel/helpers examples, based on popular ways it is used in public projects.
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babel / babel / packages / babel-core / src / transformation / file / file.js View on Github 
addHelper(name: string): Object {
const declar = this.declarations[name];
if (declar) return t.cloneNode(declar);
const generator = this.get("helperGenerator");
if (generator) {
const res = generator(name);
if (res) return res;
}
// make sure that the helper exists
helpers.ensure(name);
const uid = (this.declarations[name] = this.scope.generateUidIdentifier(
name,
));
const dependencies = {};
for (const dep of helpers.getDependencies(name)) {
dependencies[dep] = this.addHelper(dep);
}
const { nodes, globals } = helpers.get(
name,
dep => dependencies[dep],
uid,
Object.keys(this.scope.getAllBindings()),
);@babel/helpers
Collection of helper functions used by Babel transforms.
