May 2019
Intermediate to advanced
496 pages
10h 38m
English
Content preview from Mastering React Test-Driven Development
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Splitting apart the saga
This chapter is a little different in that I've already started off the root saga. There are no tests for this yet—shock!—but it should help you understand the structure we're aiming for. We'll fill in each of the methods as we go along. Naturally, if this wasn't a teaching exercise I wouldn't have written this method first—I would have filled it out as I wrote the tests.
The file we'll be working on is named src/middleware/sharingSagas.js. If you open that now, you'll notice two parts to it. First, there's a middleware function named duplicateForSharing:
export const duplicateForSharing = store => next => action => { if (action.type === 'SUBMIT_EDIT_LINE') { store.dispatch({ type: 'SHARE_NEW_ACTION', innerAction: ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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