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77 lines
2.4 KiB
Markdown
77 lines
2.4 KiB
Markdown
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@datahub/utils
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==============================================================================
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Description
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-
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This contains a set of utility *functions* & *types*, shareable and useful in a generic way __*across*__ Data Hub packages.
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The goal here is not to serve as a 'bin' for code that may not fit into other packages and need to be shared, but to create a way to easily transport and host highly reusable and abstracted base functions that are independent of any application state.
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**Functions should have**
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- a well defined and thought out interface
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- abide by the single responsibility principle, the open-closed principle
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- be clearly named, unambiguously and adequately describe their use
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- be properly namespaced
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- be unit tested
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Good examples of utility functions that makes sense to be included here would be
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- an `Array` utility like groupBy that takes a collection of records and returns a map, keyed by values from records in the collection.
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- a URL helper like `getAbsoluteUrl` that builds an absolute URL string from a relative URL.
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Other non-function code snippets that make sense here would be base types.
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A good example would be
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- the generic type `ArrayElement<T>` where `ArrayElement` is `type ArrayElement<T extends Array<any>> = T[0]`
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Installation
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------------------------------------------------------------------------------
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```
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ember install @datahub/utils
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```
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Usage
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------------------------------------------------------------------------------
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```typescript
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import { ArrayElement } from '@datahub/utils/types/array';
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import { getAbsoluteUrl } from '@datahub/utils/url';
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```
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Table of Contents
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------------------------------------------------------------------------------
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### Installation
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* `mint checkout wherehows-frontend
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* `cd wherehows-web/@datahub/utils`
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* `yarn install`
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### Linting
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* `yarn lint:hbs`
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* `yarn lint:js`
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* `yarn lint:js --fix`
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### Running tests
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* `ember test` – Runs the test suite on the current Ember version
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* `ember test --server` – Runs the test suite in "watch mode"
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* `ember try:each` – Runs the test suite against multiple Ember versions
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### Running the dummy application
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* `ember serve`
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* Visit the dummy application at [http://localhost:4200](http://localhost:4200).
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For more information on using ember-cli, visit [https://ember-cli.com/](https://ember-cli.com/).
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License
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------------------------------------------------------------------------------
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This project is licensed under the [MIT License](LICENSE.md).
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