Fix ambiguous import on standalone helper components (fixes #72)

[ghengeveld]

Description

This resolves an issue with ambiguous imports, where helpers such as Fulfilled clash with React.Fulfilled. The solution is to rename all helper components to IfX, e.g. IfFulfilled.

This also fixes #72 the TypeScript definitions for helper components.

Breaking changes

All helper components are renamed without backwards compatibility. To upgrade:

• replace <Initial with <IfInitial
• replace <Pending with <IfPending
• replace <Fulfilled with <IfFulfilled
• replace <Rejected with <IfRejected
• replace <Settled with <IfSettled

Checklist

Make sure you check all the boxes. You can omit items that are not applicable.

• Added / updated the unit tests
• Added / updated the documentation
• Updated the PropTypes
• Updated the TypeScript type definitions

[codecov]

Codecov Report

Merging #73 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master      #73   +/-   ##
=======================================
  Coverage   99.28%   99.28%           
=======================================
  Files           9        9           
  Lines         703      703           
  Branches      158      158           
=======================================
  Hits          698      698           
  Misses          5        5

Impacted Files	Coverage Δ
packages/react-async/src/Async.js	100% <100%> (ø)	⬆️
packages/react-async/src/helpers.js	100% <100%> (ø)	⬆️

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[ghengeveld]

This branch was just published as 8.0.0-alpha.0 and can be installed via react-async@next.

[ghengeveld]

Released in v8.0.0