Rejuvenate code base

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• Use latest version of ava.
• Configure xo
• Use renovate
• Ignore and remove generated lib directory
• Migrate from @babel/polyfill (replace with regenerator-runtime/runtime where possible)

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(See what has been done for @aureooms/js-tape, @aureooms/texshake, and @aureooms/js-fingertree)

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• Use https://github.com/commitizen/cz-cli.

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• Define our own extension of the conventional commit convention (see https://gitmoji.carloscuesta.me for ideas):

• • i18n
• • ui
• • ux
• • remove
• • trash
• • lint
• • hotfix
• • deployment
• • initial
• • security
• • release
• • progress
• • upgrade
• • downgrade
• • pin
• • deprecate
• • config
• • typo
• • revert
• • merge
• • license
• • ignore
• • experiment

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• Use lgtm and their shields.io badges:

Alerts: /lgtm/alerts/:host/:user/:repo.svg
Code Quality: /lgtm/grade/:language/:host/:user/:repo.svg

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• Use newest code-climate test reporter in .travis.yml:

language: node_js

node_js:
  - node

install:
  - npm install

before_script:
  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
  - chmod +x ./cc-test-reporter
  - ./cc-test-reporter before-build

script:
  - npm run cover

after_script:
  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT

after_success:
  - bash <(curl -s https://codecov.io/bash)        || true
  - coveralls                 < coverage/lcov.info || true

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• Use np for releases.

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• Use gitmoji-cli for commits?

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• Use assert or power-assert or console.assert together with a babel plugin for unassert or equivalent.
• Get correct line numbering in ava output?

See functional-data-structure/finger-tree@258211e.

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• Use cronometro for benchmarks.

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• Use transform-remove-console to remove console.debug calls.

See functional-data-structure/finger-tree@258211e.

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• Use @pika/pack for bundling. In particular, find a way to produce a node-friendly distribution, a bundler-friendly distribution (see the webpack docs on tree shaking), and a CDN friendly distribution.

The preact distribution is a good example. It uses microbundle which, unlike @pika/pack, looks configurable and alive.

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• Use the sideEffects key in package.json.

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• Use flow static type checker.

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• Do NOT transform generator and async syntax with Babel. Those are supported by modern browsers and node 14.

See

• https://caniuse.com/es6-generators
• https://caniuse.com/async-functions
• https://runkit.com/aureooms/browsers-list-coverage-of-es6-generators-and-async-functions
• https://babeljs.io/docs/en/babel-preset-env#no-targets
• https://babeljs.io/docs/en/babel-preset-env#browserslist-integration