cross-platform development: maintain common codebase with platform dependent code

[Tom Verbeek]

We are building cross-platform applications with Flutter. Is there a preferred way to keep a common code base for platform dependent code.

For instance we use dart:html for web specific code, but when compiling the code on macOS it fails with a lot of messages like

Launching lib/main.dart on macOS in debug mode...


Compiler message:
lib/pages/spaceDetails.dart:2:8: Error: Not found: 'dart:html'
import 'dart:html' as h;

I understand that dart:html is not available on macOS but how do I maintain a common codebase?

Are there ways to make import statements platform dependent?

Thx,

Tom.

[Chris Sells]

You can do that with conditional imports: https://dart.dev/guides/libraries/create-library-packages#conditionally-importing-and-exporting-library-files

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[Tom Verbeek]

wow, nice. Thx!

On Wednesday, March 18, 2020 at 5:40:33 PM UTC+1, Chris Sells wrote:

You can do that with conditional imports: https://dart.dev/guides/libraries/create-library-packages#conditionally-importing-and-exporting-library-files

On Wed, Mar 18, 2020 at 9:38 AM Tom Verbeek <techn...@gmail.com> wrote:

We are building cross-platform applications with Flutter. Is there a preferred way to keep a common code base for platform dependent code.

For instance we use dart:html for web specific code, but when compiling the code on macOS it fails with a lot of messages like

Launching lib/main.dart on macOS in debug mode...


Compiler message:
lib/pages/spaceDetails.dart:2:8: Error: Not found: 'dart:html'
import 'dart:html' as h;

I understand that dart:html is not available on macOS but how do I maintain a common codebase?

Are there ways to make import statements platform dependent?

Thx,

Tom.

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