Cannot read property 'base64encode' of undefined

Question

(SystemJS) Cannot read property 'base64encode' of undefined
    TypeError: Cannot read property 'base64encode' of undefined
        at Object.base64encode (http://localhost:3000/node_modules/typescript/lib/typescript.js:12103:18)
        at Object.getSourceMappingURL (http://localhost:3000/node_modules/typescript/lib/typescript.js:74018:46)
        at printSourceFileOrBundle (http://localhost:3000/node_modules/typescript/lib/typescript.js:74639:48)
        at emitJsFileOrBundle (http://localhost:3000/node_modules/typescript/lib/typescript.js:74588:13)
        at emitSourceFileOrBundle (http://localhost:3000/node_modules/typescript/lib/typescript.js:74545:13)
        at forEachEmittedFile (http://localhost:3000/node_modules/typescript/lib/typescript.js:74454:30)
        at Object.emitFiles (http://localhost:3000/node_modules/typescript/lib/typescript.js:74535:9)
        at emitWorker (http://localhost:3000/node_modules/typescript/lib/typescript.js:79069:33)
        at http://localhost:3000/node_modules/typescript/lib/typescript.js:79029:66
        at runWithCancellationToken (http://localhost:3000/node_modules/typescript/lib/typescript.js:79120:24)
    Error loading http://localhost:3000/doom3TokenizerTest.ts

Answer 1

应该是缺少依赖，或者版本不兼容吧