typescript - import core functions

Question

I have successfully installed a typescript sandbox (this one) and I have managed to create a simple service and a few components.

I would like to access this set of helper functions. It seems to be part of the typescript core. However, I am not sure how I could get access to that core.

tried import {ArrayUtilities} from 'core' and a few other random tries.

jeorfevre · Accepted Answer · 2016-05-04 20:14:32Z

2

unfortunatly, you can't do that. Typescript core is compiler features, they are not done in order to use them in your typescript code but done to perform compiling over existing ts files.

Here is the updated link for the ressource you wanted to integrate (source is updated by microsoft/google): https://github.com/Microsoft/TypeScript/blob/master/src/compiler/core.ts

Here is more information about the language architecture : https://github.com/Microsoft/TypeScript/wiki/Architectural-Overview

use instead javascript arrays function for example : http://www.w3schools.com/jsref/jsref_obj_array.asp

edited May 4, 2016 at 20:14

answered May 4, 2016 at 20:06

jeorfevre

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4 Comments

NoIdeaHowToFixThis Over a year ago

ok, thanks. how would you proceed then? I need some basic functions to manipulate [] and in this case distinct. It feels odd having to rewrite everything from scratch.

jeorfevre Over a year ago

ok.why not to use javascript arrays methods provided natively : w3schools.com/js/js_array_methods.asp . Do you find the methods you need?

NoIdeaHowToFixThis Over a year ago

distinct (unique) is missing but I can code it up. Just surprised that the list of helpers in typescript is so thin. Tnx for your help.

jeorfevre Over a year ago

in this case, you can have an Array.filter( distinc clauses) that will return an array it's really a simple solution. w3schools.com/jsref/jsref_filter.asp . not many helpers in ts, but a great simple langage. Learning curve is pretty flat & easy. have fun

basarat · Accepted Answer · 2016-05-05 00:35:50Z

1

I would like to access this set of helper functions. It seems to be part of the typescript core

The are a part of the TypeScript compiler (also that link is really really old. The latest source is here https://github.com/Microsoft/TypeScript/)

You cannot use the compiler code base implicitly. i.e. it doesn't magically become available to your code. TypeScript has no runtime.

You can however use the typecript compiler expilicity by taking a depenency on the typescript module. (npm install typescript and then import ts = require('typescript'). However it feels like a big overkill for just a few array functions. You would be better off copy / pasting in your codebase 🌹

answered May 5, 2016 at 0:35

basarat

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