How can moment js be imported with typescript

Question

I m trying to learn Typescript  While I don t think it s relevant  I m using VSCode for this demo   I have a package json that has these pieces in it        devDependencies          gulp     3 9 1        jspm     0 16 33        typescript     1 8 10          jspm          moment    npm moment  2 12 0          Then I have a Typescript class main js like this   import moment from  moment   export class Main       My gulpfile js looks like this   var gulp   require  gulp    var typescript   require  gulp-tsb    var compilerOptions                              rootDir    src                             sourceMap   true                           target    es5                            module    amd                            declaration   false                           noImplicitAny   false                           noResolve   true                           removeComments   true                           noLib   false                           emitDecoratorMetadata   true                           experimentalDecorators   true                          var typescriptCompiler   typescript create compilerOptions   gulp task  build   function       return gulp src   src        pipe typescriptCompiler         pipe gulp dest   dest           When I run gulp build  I get the message      main ts 1 25   Cannot file module  moment     If I use import moment   require  moment    then jspm will work and bring in the module when I run the application  but I m still receiving the build error  I also tried   npm install typings -g typings install moment --ambient --save   Instead of making the problem better though  it got worse  Now I get the above error on build as well as the following      typings browser ambient moment index d ts 9 21   Cannot find namespace  moment     If I go to the file provided by typings and add at the bottom of the file   declare module  moment    export   moment      I can get the second error to go away  but I still need the require statement to get moment to work in my main ts file and am still getting the first build error   Do I need to create my own  d ts file for moment or is there just some setup piece I m missing

User · Accepted Answer

Update  Apparently  moment now provides its own type definitions  according to sivabudh at least from 2 14 1 upwards   thus you do not need typings or  types at all   import   as moment from  moment  should load the type definitions provided with the npm package   That said however  as said in moment pull 3319 issuecomment-263752265 the moment team seems to have some issues in maintaining those definitions  they are still searching someone who maintains them      You need to install moment typings without the --ambient flag   Then include it using import   as moment from  moment

How can moment.js be imported with typescript?

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