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Mocha v9.0.0 Release Notes

Release Date: 2021-06-07 // almost 3 years ago

  • :boom: Breaking Changes

    Mocha is going ESM-first! This means that it will now use ESM import(test_file) to load the test files, instead of the CommonJS require(test_file). This is not a problem, as import can also load most files that require does. In the rare cases where this fails, it will fallback to require(...). This ESM-first approach is the next step in Mocha's ESM migration, and allows ESM loaders to load and transform the test file.

    • #4636: Remove deprecated utils.lookupFiles() (@juergba)

    • #4638: Limit the size of actual/expected for diff generation (@juergba)

    • 👍 #4389: Refactoring: Consuming log-symbols alternate to code for win32 in reporters/base (@MoonSupport)

    :tada: Enhancements

    🛠 :bug: Fixes

    • #4128: Fix: control stringification of error message (@syeutyu)

    :nut_and_bolt: Other