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@wealthsimple/angular-directives

ws-directives

Angular directives shared between our UIs.

installation

install it locally with npm

npm install --save @wealthsimple/angular-directives

or with yarn

yarn add @wealthsimple/angular-directives

make sure you also have the following installed:

• angularjs
• wealthsimple-fabric
• angular-animate
• angular-ui-router
• angular-translate

Check peerDependencies in package.json for specific versions.

usage

Checkout out our fancy Github page!

local development

1. run yarn install to install dev dependencies
2. run yarn start:dev o watch & build files, and serve up the examples page.
3. open http://localhost:8080 in your browser to preview your changes.

As you make changes, the output will be rebuilt and the browser will re-load your changes automatically.

hooking your local copy into another project

Use yarn link if you'd like to reference this library locally from another ng project

• run yarn link in root of this library
• run yarn link @wealthsimple/angular-directives in the root of the other ng project to refer to your local version of this library.

publishing

If you have merge rights, you should also have the ability to release new versions (you know who to ask for access).

We currently publish on the npm package registry.

Once you merge a change to master, follow the steps below to issue a new release of this package:

1. prepare a PR with a new version number.

Please follow semantic versioning. Seriously, this is super important. If you don't and downstream users are careless with their shrinkwrapping strategy, you may break them.

Once you've picked a new version number, update the version field in package.json to that version. This is what NPM will use. Also run this command locally:

npm run prepublishOnly

This will regenerate the github-pages content in docs.

Before making a PR, make sure to run yarn install to update the package-lock.json file

Get this PRed up and approved, then merge it.

At this point gh-pages is using the new code

2. prepare a new release

• Go to the 'releases' tab in github.
• Hit the 'draft new release button'. Use the master branch only please. This will prompt you to enter some info about what's in the new release. Be descriptive! This serves as our changelog, and your colleagues will thank you. Screenshots of new controls/features are handy too.

3. publish

For npm you need to manually publish. Go to your terminal, rebase latest master, and run:

npm login
npm publish

This runs the unit tests and uploads the source to npm's registry. Note that as of 5.0.0 we don't distribute transpiled ES5/CSS any more. Consumers are expected to transpile the ES6/SCSS using their own toolchain.

3. consume

In the consumer (e.g. Terminal), update your package.json to the newest version of "@wealthsimple/angular-directives": "^7.X.X" and run yarn install to ensure your package-lock.json is synced.

My awesome new feature requires me to use amazing-3rdparty-lib.js. Can I add it as a dependency?

Sure, make a PR. Get someone from #web-tech-maintenance to review it though, so we can check that the license is in line with policies, etc. Be aware that this is the start of the conversation though. Pulling in new libs requires a little extra diligence from the broader team.

Also think about whether it should be a dependency or a peerDependency.

Dependencies:

These are for things that you don't expect consumers to also be using. So, really specific libs that are implementation details of a component for example.

Generally it should be pretty rare to add new dependencies.

PeerDependencies:

Peer dependencies are for things that you expect consumers to also be using directly. We expect consumers to install them alongside ws-directives (npm will give them an error if they don't).

So for example, AngularJS is a peer dependency.

Most of the time, new deps will be peer dependencies.

To add a peerDependency, do three things:

1. add it to peerDependencies in package.json: specify a version range that we'll commit to working with. Our webpack config loads the list of peerDependencies and marks them as external, meaning if you import them in code, webpack won't include them in our bundle.
2. also add a specific version to devDependencies so you can develop against it
3. but since it's not in the bundle, you'll have to edit index.html to pull the lib in from a CDN. I recommend http://unpkg.com, which is a thin wrapper over the npm registry exposed as a CDN.

Can I use underscore/lodash/ramda? Pleaaase?

My default stance is: yes in consuming projects, but probably not in ws-directives. Those libs are pretty big and I don't want to force consumers to include them.

The good news is we do expect consumers to target modern JavaScript runtimes, with polyfills as necessary (e.g. core-js). Which means you can use array.map, array.prototype.includes, array.prototype.reduce, array.prototype.filter, Array.prototype.forEach, etc. That should cover most of your underscore needs. If it doesn't, post in #web-tech-maintenance and we'll discuss it.

How can I check that I got it right?

1. Run the unit tests to make sure the new lib is available to the test setup: yarn run test.
2. Run the example page in devmode to make sure you got any CDN additions right: yarn start:dev, open http://localhost:8080.
3. Look at the bundle stats report to make sure the dep is included or not included as appropriate: yarn build:docs && open docs/report.html