Issue In Dart, single-item iterables can be created in various ways. [‘item’]; // A single-item list Iterable.generate(1, (_) => ‘item’); // A single-item generated Iterable How do these methods compare in terms of speed and memory usage, during both creation
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Bitwise operations, wrong result in Dart2Js
Issue I’m doing ZigZag encoding on 32bit integers with Dart. This is the source code that I’m using: int _encodeZigZag(int instance) => (instance << 1) ^ (instance >> 31); int _decodeZigZag(int instance) => (instance >> 1) ^ (-(instance & 1));
Continue readingWhich dart2js command is launched by DartEditor?
Issue After reading article found at https://www.dartlang.org/articles/web-ui/tools.html, I tried to compile my application by following it. My application stored in web/app.html can be successfully compiled to Javascript under DartEditor by using “Run as Javascript” command. When I try to use
Continue readingIs there any tool like gruntjs can convert dart to js when project file changes?
Issue I’m looking for a tool like “gruntjs” which can monitor my dart project, and when file changes, it’s able to: convert dart files to javascript files restart my custom dart command: dart app.dart I don’t find any plugin for
Continue readingCompile dart in the browser
Issue In my application I generate big dart classes. Right now I compile them on the server, which takes CPU time. It would be much better to compile the Dart code within the browser. The code is then loaded via
Continue reading$ in '–global-js-name==', JQuery compatibility and Sublime Text – Build Systems
Issue By default JS script generated by dart2js has global name $ same as JQuery so it can be problematic to use both simultaneously. To solve this problem dart2js has parameter –global-js-name=={GLOBAL NAME} but {GLOBAL NAME} must match \$[a-z]* (example:
Continue reading'Mi' is not a subtype of type 'IF' with dart2js
Issue I’m facing an issue with dart2js since today, dart2js go to the end without any error, but when i launch my webapp on a browser (Chrome) the console send this error “Uncaught type ‘Mi’ is not a subtype of
Continue readingAdding children to SelectElement in Dart
Issue I am creating a (very large) select element that needs to be added in several places on a single page. Instead of recreating it for every instance I am making a single prototype and then doing a deep clone
Continue readingHow to use javascript polyfills with dart2js
Issue I want to use indexedDB polyfill with Dart code compiled to Javascript. When i just added required script, dart2js code does not recognize window.indexedDB property as IDBFactory instance and produce UnknownJavaScriptObject interceptor. I tried to force constructor.name on elements
Continue reading"Run as JavaScript" does not work with my dart web app?
Issue I cannot find the reason why my app does not work when compiled to JavaScript using dart2js. I have tried debugging my compiled JavaScript app using Google DevTools but found it very difficult to understand both the debugger and
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