node.js - nodejs SyntaxError: Unexpected token -


i using elasticsearch-exporter export data elasticsearch.

the tool nodejs application.

when try use following command node exporter.js make tool list available options, crashes following exception

/home/me/storage/elasticsearch-exporter/log.js:54 exports.error = (...args) => !capture("error", args) && console.log(timestamp() + util.format(...args).red);                  ^^^  syntaxerror: unexpected token ...     @ exports.runinthiscontext (vm.js:53:16)     @ module._compile (module.js:374:25)     @ object.module._extensions..js (module.js:417:10)     @ module.load (module.js:344:32)     @ function.module._load (module.js:301:12)     @ module.require (module.js:354:17)     @ require (internal/module.js:12:17)     @ object.<anonymous> (/home/anas/storage/elasticsearch-exporter/exporter.js:9:11)     @ module._compile (module.js:410:26)     @ object.module._extensions..js (module.js:417:10)

here line exception thrown

exports.error = (...args) => !capture("error", args) && console.log(timestamp() + util.format(...args).red);

i think error related different version of nodejs not sure.

here output of node --version command v4.2.6

here output of npm --version command 3.10.6

yes, indeed, ... called spread operator , available since node.js 6

the elasticsearch-exporter project declares in package.json file works node version > 6

so since you're running node.js 4.2.6, either need upgrade node.js installation or fork elasticsearch-exporter project , modify work node.js 4.2.6.


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