Angular/TypeScript: Can't resolve all parameters when setting constructor property

Question

I'm trying to import this fork of mark.js with the import statement,

import { Mark } from 'mark.ts'

When I attempt to set the constructor property,

constructor(private mark: Mark) { }

I get the error,

Can't resolve all parameters...

My understanding of TypeScript is very limited, and I assume this is some kind of issue with the import statement, so I haven't included any other code. Let me know if it's necessary.

Doing that destroys the module resolution. "mark.ts" is the actual module name. — J. Adam Connor
– J. Adam Connor, Commented Apr 30, 2017 at 17:53
Yeah, I just tried to rename the module directory, but that didn't resolve the issue. — J. Adam Connor
– J. Adam Connor, Commented Apr 30, 2017 at 17:56

Julia Passynkova · Accepted Answer · 2017-04-30 17:57:04Z

3

Import { Mark } from 'mark.ts' change capital I to a small 'i' like
```
import { Mark } from 'mark.ts'
```
You can inject into constructor only Angular services annotated with @Injectable or Parents components or Angular OpaqueToken tokens.
You also can create a custom class, instantiate the object using new and pass it into a constructor of another object but you will do it manually not via Angular DI system.

answered Apr 30, 2017 at 17:57

Julia Passynkova

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1 Comment

J. Adam Connor Over a year ago

The capital "I" in "Import" was actually a typo in my question. As for the rest, thanks for clarifying. I think I actually knew 2 at one point, but it seems to have left my head.

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