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chore: use jest-serializer-ansi-escapes #161

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merged 3 commits into from Jul 9, 2022
Merged

chore: use jest-serializer-ansi-escapes #161

merged 3 commits into from Jul 9, 2022

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mrazauskas
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Similar to jestjs/jest#12935

jest-serializer-ansi-escapes is a replacement for Jest’s internal pretty-format/ConvertAnsi plugin. It serializes cursor control as well as color and style ANSI escapes.

Currently in tests of jest-watch-typeahead cursor control escapes are snapped by mocking ansi-escapes. This works, but as you can see in the snapshots jest-serializer-ansi-escapes plugin is catching few more missing sequences.

Other difference – the mocking solution depends on ansi-escapes; the plugin is simply serialising vanilla sequences. Hence, using it makes easier to replace ansi-escapes in the future.

[MOCK - cursorSavePosition]
[MOCK - cursorLeft]
<dim>›</> <dim>src/</></>fi</><dim>le-2.js</>
<moveCursorToRow6Column14>
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In ansi-escapes position is zero based, but in vanilla escapes it is 1 base and also row argument goes first. That’s why [MOCK - cursorTo(13, 5)] becomes <moveCursorToRow6Column14>

@@ -1,34 +1,9 @@
import { KEYS } from 'jest-watcher';
import type { Config } from '@jest/types';
import { jest } from '@jest/globals';
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Import is not used anymore.

@@ -4,36 +4,11 @@ import {
JestHookEmitter,
UpdateConfigCallback,
} from 'jest-watcher';
import stripAnsi from 'strip-ansi';
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The dependency is still used in code. So I left it in package.json.

@SimenB
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SimenB commented Jul 9, 2022

@mrazauskas thanks! Could you add support for node 12 in engines?

EDIT: never mind, just dropped it

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thanks! way better 👍

@SimenB SimenB merged commit a0ac757 into jest-community:main Jul 9, 2022
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SimenB commented Jul 9, 2022

Seems there's a v2 (#163), should we update?

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github-actions bot commented Jul 9, 2022

🎉 This PR is included in version 2.0.0 🎉

The release is available on:

Your semantic-release bot 📦🚀

@mrazauskas
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Thanks! I will send a PR for v2 bit later. It had improved serialization of reset sequences. I was sticking with v1 here to keep diffs smaller (;

@mrazauskas mrazauskas deleted the chore-use-jest-serializer-ansi-escapes branch July 10, 2022 02:42
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2 participants