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Use ES module exports #4454

Merged
merged 21 commits into from
Sep 11, 2017
Merged

Use ES module exports #4454

merged 21 commits into from
Sep 11, 2017

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SimenB
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@SimenB SimenB commented Sep 9, 2017

Summary
This converts most of the commonjs usage into ESM exports.
I took care to not change to default export for entrypoints, meaning that those importing individual modules can still use require without issue.

Might consider adding no-commonjs lint rule (https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-commonjs.md), but there are still lots of places we have to use CJS?

Test plan
./jest

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Codecov Report

Merging #4454 into master will increase coverage by 0.11%.
The diff coverage is 64.65%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master    #4454      +/-   ##
==========================================
+ Coverage   56.74%   56.86%   +0.11%     
==========================================
  Files         189      186       -3     
  Lines        6485     6294     -191     
  Branches        3        3              
==========================================
- Hits         3680     3579     -101     
+ Misses       2804     2714      -90     
  Partials        1        1
Impacted Files Coverage Δ
...kages/jest-circus/src/format_node_assert_errors.js 0% <ø> (ø) ⬆️
...ackages/jest-haste-map/src/lib/extract_requires.js 100% <ø> (ø) ⬆️
...ckages/jest-cli/src/reporters/coverage_reporter.js 54.45% <ø> (-0.45%) ⬇️
packages/jest-util/src/null_console.js 0% <ø> (ø) ⬆️
packages/jest-cli/src/pattern_prompt.js 100% <ø> (ø) ⬆️
packages/jest-config/src/set_from_argv.js 95% <ø> (-0.24%) ⬇️
packages/jest-cli/src/test_scheduler.js 16.94% <ø> (-0.7%) ⬇️
packages/jest-runtime/src/should_instrument.js 58.82% <ø> (-4.34%) ⬇️
packages/jest-cli/src/search_source.js 69.84% <ø> (-0.48%) ⬇️
...es/jest-cli/src/lib/handle_deprecation_warnings.js 0% <ø> (ø) ⬆️
... and 169 more

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@cpojer cpojer merged commit 9c429cd into jestjs:master Sep 11, 2017
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cpojer commented Sep 11, 2017

Woah, nice work @SimenB. Thank you for your continued efforts to modernize the codebase.

@SimenB SimenB deleted the export branch September 11, 2017 01:56
tabrindle pushed a commit to tabrindle/jest that referenced this pull request Oct 2, 2017
* Use ESM exports in jest-config

* Use ESM exports in eslint-plugin-jest

* Use ESM exports in jest-changed-files

* Use ESM exports in jest-circus

* Use ESM exports in jest-diff

* Use ESM exports in jest-editor-support

* Use ESM exports in jest-haste-map

* Use ESM exports in jest-jasmine2

* Use ESM exports in jest-message-util

* Use ESM exports in jest-regex-util

* Use ESM exports in jest-repl

* Use ESM exports in jest-resolve

* Use ESM exports in jest-runner

* Use ESM exports in jest-runtime

* Use ESM exports in jest-snapshot

* Use ESM exports in jest-test-typescript-parser

* Use ESM exports in jest-util

* Use ESM exports in jest-validate

* Fix flow errors

* Activate eslint plugin to enforce correct ESM usage

* Use ESM exports in jest-cli
tabrindle pushed a commit to tabrindle/jest that referenced this pull request Oct 11, 2017
* Use ESM exports in jest-config

* Use ESM exports in eslint-plugin-jest

* Use ESM exports in jest-changed-files

* Use ESM exports in jest-circus

* Use ESM exports in jest-diff

* Use ESM exports in jest-editor-support

* Use ESM exports in jest-haste-map

* Use ESM exports in jest-jasmine2

* Use ESM exports in jest-message-util

* Use ESM exports in jest-regex-util

* Use ESM exports in jest-repl

* Use ESM exports in jest-resolve

* Use ESM exports in jest-runner

* Use ESM exports in jest-runtime

* Use ESM exports in jest-snapshot

* Use ESM exports in jest-test-typescript-parser

* Use ESM exports in jest-util

* Use ESM exports in jest-validate

* Fix flow errors

* Activate eslint plugin to enforce correct ESM usage

* Use ESM exports in jest-cli
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4 participants