tsc is a compiler for converting TypeScript into plain JavaScript.
tsc is a compiler for converting TypeScript into plain JavaScript targeting either the ECMAScript 3 or ECMAScript 5 specifications.
Questions tagged [tsc]
927 questions
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votes
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Better way of defining the return type of closure function inside typescript .d.ts file
I am declaring the function in my typescript definition file .d.ts. It returns a complex predefined object. Need help with the same.
I used the npx -p typescript tsc src/handler.js --declaration --allowJs --emitDeclarationOnly --outDir types the…
Gary
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1 answer
How does TypeScript allow assignment of null to type null[]?
I am learning typescript and I see a few counter-intuitive practices when it comes to null and undefined.
const a: null[] = null;
const b: null[] = [null];
const c: null[] = undefined;
const d: null[] = [undefined];
All the above statements do not…
shishir
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2 answers
I'm getting this error on build using tsc
I'm getting this error on the build using tsc
Can someone check this, please?
node_modules/@types/node/index.d.ts:75:11 - error TS2300: Duplicate identifier 'IteratorResult'.
75 interface IteratorResult { }
I'm using latest typescript and…
Carlos Vieira
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votes
1 answer
My application doesn't seem to picking up my angular material/dialog module. How can i fix this so that it works?
I would like to use two material ui components for my angular application.
They are MatDialog, and MatDialogConfig. I'm not sure if I have something in the wrong place or not but basically all my modules work fine except this one. Both my…
evan
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1 answer
Defining constant/ro properties on objects with TypeScript
Using TypeScript, is there any way to enforce non-reassignment?
Say I have this:
fn.foo = 5;
fn.foo = 6;
is there a way to get a compile error on the second line? As soon as I assign the foo property, it should be ReadOnly I suppose.
My case foo…
Alexander Mills
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votes
2 answers
typescript augment "rx" module => Invalid module name
I am writing a node module that also contains types, since I'm using it with a typescript project. The module depends on "rx": "^4.0.6". This version of rx contains the types internally in rx/ts. What I want to do is augment the rx types with 2…
XeniaSis
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1 answer
Why is tsc called twice in this npm start script?
The package.json example at this link includes the following start commands:
"start": "tsc && concurrently \"npm run tsc:w\" \"npm run lite\" ",
What explicitly does the above command do?
I think that the "concurrently \"npm run tsc:w\" \"npm…
CodeMed
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1 answer
tsc compiles ES6 code into ES5
'I am using TS 2.2 and I tried compiling my ES6 module ( js file) using tsc and it did compile into valid ES5 code. I was using google's Tracur OR some other tool int he past to do so. I believe, this feature, of compiling js files from ES6 to ES5,…
user2225263
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Why is it possible to declare a variable of 'anyTextString' type in TypeScript?
Why tsc doesn't complain for this line of code:
let a: 'my text string';
and allows a to be of type 'my text string'?
And... Isn't this bug-prone if, let's say, someone takes advantage of implicit type inference, and just puts a ':' instead of…
ebu_sho
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votes
2 answers
Visual Studio Code - Strangely Typescript compiler (tsc) not exists
I'm getting this error pressing Ctrl+Shift+B trying to compiling a Typescript file:
(Translated)
"tsc" is not recognized as an internal or external command...
It's not supposed to be already included???
Pedro Mora
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1 answer
How can i compile a file containing different libraries (e.g. jquery, jquery-ui, other 3rd party libs) with typescript
I am working on a project that contains multiple libraries (Jquery, jq-ui, fileupload plugins and some other 3rd party plugins) i am converting my project to typescript but in order to work with those libraries I need a .d.ts file to include in my…
Aamir Shah
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1 answer
Tsickle says "Error No inputs were found in config file" if I call it with tsconfig.json in a different directory
Calling tsickle with
tsickle --externs=target/externs.js -- -p target/src
I get this error:
Error No inputs were found in config file 'target/src/tsconfig.json'. Specified 'include' paths were '["./my/pathes/**/*.ts"]' and 'exclude' paths were…
peterh
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