Use `require` instead of `import`

[tnayuki]

I just started to use flow-runtime & babel-plugin-flow-runtime, because these are very powerful packages.

This is a:

• [ ] Bug Report
• [x] Feature Request
• [ ] Question
• [ ] Other

Which concerns:

• [ ] flow-runtime
• [X] babel-plugin-flow-runtime
• [ ] flow-runtime-validators
• [ ] flow-runtime-mobx
• [ ] flow-config-parser
• [ ] The documentation website

---

What is the current behaviour?

Currently babel-plugin-flow-runtime generates code like this:

import t from 'flow-runtime';
const User = t.type('User', t.object(
  t.property('id', t.number()),
  t.property('name', t.string())
));

---

What is the expected behaviour?

My proposal is generating code like this:

const t = require('flow-runtime');
const User = t.type('User', t.object(
  t.property('id', t.number()),
  t.property('name', t.string())
));

If I can use flow-runtime & babel-plugin-flow-runtime without adding another plugin to transpile import, it becomes non-intrusive.

---

Which package versions are you using?

---

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[jedwards1211]

I would say an option to choose between import and require is best. There are also cases where one would prefer to output import statements (e.g. for webpack)

[tnayuki]

I agree with an option is best. So I try to add the option and will make a PR.

[terreb]

@tnayuki, I know this was a long time ago, but have you managed to make a fix? Even when I add another plugin those damn imports flow-runtime generates are not transpiled for me and I get a crash of my RN app...

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[bu7ch]

@tnayuki you can : Save files with ES6 modules with .mjs extension and run it like: node --experimental-modules my-app.mjs