Trying to use typescript with Koa.
koa-respond
and @koa/cors
do not have @types
packages so I added a file ambient-types.d.ts
in my src with these declarations
declare module 'koa-respond'
declare module '@koa/cors'
However I still get these errors from ts
Try `npm install @types/koa__cors` if it exists or add a new declaration (.d.ts) file containing `declare module 'koa__cors';`
src/server.ts(7,26): error TS7016: Could not find a declaration file for module 'koa-respond'. '/home/hayk/projects/learning/koa/koala/backend/node_modules/koa-respond/lib/koa-respond.js' implicitly has an 'any' type.
Try `npm install @types/koa-respond` if it exists or add a new declaration (.d.ts) file containing `declare module 'koa-respond';`
This is my tsconfig.json
{
"compilerOptions": {
"module": "commonjs",
"target": "es2017",
"noImplicitAny": true,
"outDir": "./dist",
"sourceMap": true
},
"include": [
"./src/**/*"
]
}
And I run like this nodemon --watch 'src/**/*' -e ts,tsx --exec 'ts-node' ./index.ts
According to my testing, you need to specify the --files
option to ts-node
to force it to load all the files matching the include
setting in your tsconfig.json
, otherwise ambient-types.d.ts
never gets loaded.
nodemon --watch 'src/**/*' -e ts,tsx --exec 'ts-node --files' ./index.ts
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