error-ex

Easy error subclassing and stack customization

v1.3.2 URL: https://unpkg.com/error-ex@1.3.2/index.js

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error errors extend extending extension subclass stack custom

make-error

Make your own error types!

v1.3.6 URL: https://unpkg.com/make-error@1.3.6/index.js

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create custom derive error errors extend extending extension factory inherit make subclass

postcss-extend-rule

Use the @extend at-rule and functional selectors in CSS

v4.0.0 URL: https://unpkg.com/postcss-extend-rule@4.0.0/dist/index.mjs

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postcss css postcss-plugin extend matched matches match selectors subclassing subclasses subclass styling styles style placeholder placehold selectors selector chaining

super-error

Easily subclass errors

v2.6.1 URL: https://unpkg.com/super-error@2.6.1/index.js

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error class subclass inheritance

is-class-of

Returns true if A is a subclass of B or the same class as B.

v1.0.1 URL: https://unpkg.com/is-class-of@1.0.1/index.js

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