micromatch / micromatch/picomatch
different results picomatch vs minimatch
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Description
hello, I'm simply trying to migrate from minimatch to picomatch in Lerna-Lite, I didn't write the code myself using these globbing (it came directly from Lerna's author), I only maintain the project as much as I could while trying to modernize it. However trying to switch to picomatch causes some unit tests to fail, with some of the patterns shown below. Relevant code usage can be found here, which again came from the original Lerna's repo
const options = {
matchBase: true,
// dotfiles inside ignored directories should also match
dot: true,
};
const pattern = '!**/examples/**';
const p1 = 'packages/pkg-2/examples/.eslintrc.yaml';
picomatch(pattern, options)(p1); => true
minimatch(p1, pattern, options); => false
const p2 = 'packages/pkg-2/examples/do-a-thing/index.js';
picomatch(pattern, options)(p2); => true
minimatch(p2, pattern, options); => false
const p3 = 'packages/pkg-2/examples/and-another-thing/package.json';
picomatch(pattern, options)(p3); => true
minimatch(p3, pattern, options); => false
const pattern2 = '!*.md';
const p4 = 'packages/pkg-2/examples/do-a-thing/index.js';
picomatch(pattern2, options)(p4); => true
minimatch(p4, pattern2, options); => true
I'm not sure if it's related to #89 but any help would be appreciated to understand why the result are different since I don't use globs that often but I would really like to migrate to a much smaller lib
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start in packages/core/src/utils/collect-updates/lib/make-diff-predicate.ts and reproduce the listed patterns with picomatch and minimatch, including the matchBase and dot options. Compare the results with the failing unit tests mentioned in the issue; done means the behavioral difference is explained and the expected matcher behavior is established.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript, typescript
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100