Error: Cannot find module 'react'
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:636:15)
    at Function.Module._load (internal/modules/cjs/loader.js:562:25)
    at Module.require (internal/modules/cjs/loader.js:692:17)
    at require (internal/modules/cjs/helpers.js:25:18)
    at Object.<anonymous> (/Users/james/workspace/dna-info/widget/node_modules/chai-enzyme/build/reactNodeToString.js:8:14)
    at Module._compile (internal/modules/cjs/loader.js:778:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Module.require (internal/modules/cjs/loader.js:692:17)
    at require (internal/modules/cjs/helpers.js:25:18)
    at Object.<anonymous> (/Users/james/workspace/dna-info/widget/node_modules/chai-enzyme/build/assertions/contain.js:8:26)
    at Module._compile (internal/modules/cjs/loader.js:778:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Module.require (internal/modules/cjs/loader.js:692:17)
    at require (internal/modules/cjs/helpers.js:25:18)
    at Object.<anonymous> (/Users/james/workspace/dna-info/widget/node_modules/chai-enzyme/build/index.js:15:16)
    at Module._compile (internal/modules/cjs/loader.js:778:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Module.require (internal/modules/cjs/loader.js:692:17)
    at require (internal/modules/cjs/helpers.js:25:18)
    at Object.<anonymous> (/Users/james/workspace/dna-info/widget/tests/ChartComponent.spec.tsx:5:1)
    at Module._compile (internal/modules/cjs/loader.js:778:30)
    at Module.m._compile (/Users/james/workspace/dna-info/widget/node_modules/ts-node/src/index.ts:473:23)
    at Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Object.require.extensions.(anonymous function) [as .tsx] (/Users/james/workspace/dna-info/widget/node_modules/ts-node/src/index.ts:476:12)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Module.require (internal/modules/cjs/loader.js:692:17)
    at require (internal/modules/cjs/helpers.js:25:18)
    at /Users/james/workspace/dna-info/widget/node_modules/mocha/lib/mocha.js:334:36
    at Array.forEach (<anonymous>)
    at Mocha.loadFiles (/Users/james/workspace/dna-info/widget/node_modules/mocha/lib/mocha.js:331:14)
    at Mocha.run (/Users/james/workspace/dna-info/widget/node_modules/mocha/lib/mocha.js:811:10)
    at Object.exports.singleRun (/Users/james/workspace/dna-info/widget/node_modules/mocha/lib/cli/run-helpers.js:108:16)
    at exports.runMocha (/Users/james/workspace/dna-info/widget/node_modules/mocha/lib/cli/run-helpers.js:142:13)
    at Object.exports.handler.argv [as handler] (/Users/james/workspace/dna-info/widget/node_modules/mocha/lib/cli/run.js:292:3)
    at Object.runCommand (/Users/james/workspace/dna-info/widget/node_modules/mocha/node_modules/yargs/lib/command.js:242:26)
    at Object.parseArgs [as _parseArgs] (/Users/james/workspace/dna-info/widget/node_modules/mocha/node_modules/yargs/yargs.js:1087:28)
    at Object.parse (/Users/james/workspace/dna-info/widget/node_modules/mocha/node_modules/yargs/yargs.js:566:25)
    at Object.exports.main (/Users/james/workspace/dna-info/widget/node_modules/mocha/lib/cli/cli.js:68:6)
    at Object.<anonymous> (/Users/james/workspace/dna-info/widget/node_modules/mocha/bin/mocha:154:29)
    at Module._compile (internal/modules/cjs/loader.js:778:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
    at Module.load (internal/modules/cjs/loader.js:653:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
    at Function.Module._load (internal/modules/cjs/loader.js:585:3)
    at Function.Module.runMain (internal/modules/cjs/loader.js:831:12)
    at startup (internal/bootstrap/node.js:283:19)
    at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)