ES2015 “import” not working in node v6.0.0 with with –harmony_modules option

They’re just not implemented yet.

Node 6.0.0 uses a version of V8 with most of ES6 features completed. Unfortunately modules isn’t one of those completed features.

node --v8-options | grep harmony 

in progress harmony flags are not fully implemented and usually are not working:

–es_staging (enable test-worthy harmony features (for internal use only))
–harmony (enable all completed harmony features)
–harmony_shipping (enable all shipped harmony features)
–harmony_object_observe (enable “harmony Object.observe” (in progress))
–harmony_modules (enable “harmony modules” (in progress))
–harmony_function_sent (enable “harmony function.sent” (in progress))
–harmony_sharedarraybuffer (enable “harmony sharedarraybuffer” (in progress))
–harmony_simd (enable “harmony simd” (in progress))
–harmony_do_expressions (enable “harmony do-expressions” (in progress))
–harmony_iterator_close (enable “harmony iterator finalization” (in progress))
–harmony_tailcalls (enable “harmony tail calls” (in progress))
–harmony_object_values_entries (enable “harmony Object.values / Object.entries” (in progress))
–harmony_object_own_property_descriptors (enable “harmony Object.getOwnPropertyDescriptors()” (in progress))
–harmony_regexp_property (enable “harmony unicode regexp property classes” (in progress))
–harmony_function_name (enable “harmony Function name inference”)
–harmony_regexp_lookbehind (enable “harmony regexp lookbehind”)
–harmony_species (enable “harmony Symbol.species”)
–harmony_instanceof (enable “harmony instanceof support”)
–harmony_default_parameters (enable “harmony default parameters”)
–harmony_destructuring_assignment (enable “harmony destructuring assignment”)
–harmony_destructuring_bind (enable “harmony destructuring bind”)
–harmony_tostring (enable “harmony toString”)
–harmony_regexps (enable “harmony regular expression extensions”)
–harmony_unicode_regexps (enable “harmony unicode regexps”)
–harmony_sloppy (enable “harmony features in sloppy mode”)
–harmony_sloppy_let (enable “harmony let in sloppy mode”)
–harmony_sloppy_function (enable “harmony sloppy function block scoping”)
–harmony_proxies (enable “harmony proxies”)
–harmony_reflect (enable “harmony Reflect API”)
–harmony_regexp_subclass (enable “harmony regexp subclassing”)

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