es6-module-loader: using traceur to only transpile modules

[Owen Densmore]

The es6-module-loader dynamically supports <script type="module"> using traceur as its transpiler:

  https://github.com/ModuleLoader/es6-module-loader

Because Canary is > 95% es6 complete, I would like to configure traceur to transpile *only* import/export modules.

I tried doing this with the options below, which failed .. producing several errors.

Is there a way to configure traceur to only transpile modules? Should this work?

System.traceurOptions = { arrowFunctions: false, blockBinding: false, classes: false, computedPropertyNames: false, defaultParameters: false, destructuring: false, forOf: false, generators: false, numericLiterals: false, propertyMethods: false, propertyNameShorthand: false, restParameters: false, spread: false, symbols: false, templateLiterals: false, unicodeEscapeSequences: false, unicodeExpressions: false }

[John J Barton]

Setting the options false should work.  If you open an issue with the example and errors I'll take a look.

It sounds like you want --outputLanguage=es6.

jjb

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[Owen Densmore]

On Tuesday, March 1, 2016 at 6:58:41 PM UTC-7, johnjbarton wrote:

Setting the options false should work.  If you open an issue with the example and errors I'll take a look.

It sounds like you want --outputLanguage=es6.

jjb

Hi John. Thanks for the suggestion.

There is demo code and discussion in an issue for the module loader:

    https://github.com/ModuleLoader/es6-module-loader/issues/477 

How would I put your option into the System.traceurOptions object? Just add outputLanguage:"es6" to the others?

System.traceurOptions = { arrowFunctions: false, blockBinding: false, classes: false, computedPropertyNames: false, defaultParameters: false, destructuring: false, forOf: false, generators: false, numericLiterals: false, propertyMethods: false, propertyNameShorthand: false, restParameters: false, spread: false, symbols: false, templateLiterals: false, unicodeEscapeSequences: false, unicodeExpressions: false };

[John J Barton]

No, remove all of the other options, include only outputLanguage: es6.