fix: just bundle for non-html entry

[lili21]

fix #1005

[DeMoorJasper]

What about htm or something that gets transpiled to html?

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[lili21]

You can do that with parcel ? didn't know that before.

[lili21]

any suggestion ?

[DeMoorJasper]

This issue basically comes down to using the wrong command (serve instead of watch).
But if you really wanna change this in the code you could do this:

  async serve(port = 1234, https = false) {
    let entryType = this.parser.getAsset(this.mainFile, {}, this.options).type;
    if (entryType === 'html') {
      this.server = await Server.serve(this, port, https);
    }
    this.bundle();
    return this.server;
  }

  if (command.name() === 'serve') {
    const server = await bundler.serve(command.port || 1234, command.https);
    if (server && command.open) {
      await require('./utils/openInBrowser')(
        `${command.https ? 'https' : 'http'}://localhost:${
          server.address().port
        }`,
        command.open
      );
    }
  } else {
    bundler.bundle();
  }

[DeMoorJasper]

Just wondering, this isn't related to the issue? The issue was about never starting a dev server if target is not browser as that makes no sense.
But this wouldn't start a server even if the target is browser which does make sense even for js entryAssets (although in practise perhaps a very niche use-case, this is why parcel watch exists)

[devongovett]

I think there are valid use cases for running the server when the entry point isn't an HTML file. Maybe your HTML is served separately, or generated dynamically from a different server, for example.