TypeError: merge is not a function
at Object. (/usr/lib/node_modules/@mapbox/geojson-merge/geojson-merge:15:39)
at Module._compile (module.js:571:32)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:488:32)
at tryModuleLoad (module.js:447:12)
at Function.Module._load (module.js:439:3)
at Module.runMain (module.js:605:10)
at run (bootstrap_node.js:420:7)
at startup (bootstrap_node.js:139:9)
at bootstrap_node.js:535:3`
I've installed with npm -g install @mapbox/geojson-merge:
`/usr/lib/nodemodules/@mapbox/geojson-merge/geojson-merge:15 process.stdout.write(JSON.stringify(merge(argv..map(function(n) { ^
TypeError: merge is not a function at Object. (/usr/lib/node_modules/@mapbox/geojson-merge/geojson-merge:15:39)
at Module._compile (module.js:571:32)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:488:32)
at tryModuleLoad (module.js:447:12)
at Function.Module._load (module.js:439:3)
at Module.runMain (module.js:605:10)
at run (bootstrap_node.js:420:7)
at startup (bootstrap_node.js:139:9)
at bootstrap_node.js:535:3`