clone-regexp

Clone and modify a RegExp instance

v3.0.0 URL: https://unpkg.com/clone-regexp@3.0.0/index.js

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regexp regex regular expression clone duplicate modify mutate

events-intercept

event interceptors - like middleware for EventEmitter

v2.0.0 URL: https://unpkg.com/events-intercept@2.0.0/lib/events-intercept.js

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event events emit intercept tap hook report mutate EventEmitter

weapon-regex

Weapon regeX mutates regular expressions for use in mutation testing.

v1.3.3 URL: https://unpkg.com/weapon-regex@1.3.3

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regex regexp regular expression mutate mutation mutator

mutate-fs

Mutate the filesystem behavior for tests.

v2.1.1 URL: https://unpkg.com/mutate-fs@2.1.1/index.js

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file system munge mutate mock fs

lutils

A few reliable utils.

v2.4.0 URL: https://unpkg.com/lutils@2.4.0/index.js

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merge extend clone type recursive assign deep immutable mutate typeof type guard