existential-default

Check for the existential value of a variable. Assign value by default.

v1.3.1 URL: https://unpkg.com/existential-default@1.3.1/index.js

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default existence existential exists operator

existential

The missing existential operator for JavaScript. Returns true unless a variable is null or undefined

v1.0.3 URL: https://unpkg.com/existential@1.0.3/index.js

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existential operator existence exists

existential-assign

Check for the existential value of a variable/object. Assign one if the value doesn't exist.

v1.3.1 URL: https://unpkg.com/existential-assign@1.3.1/index.js

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assign default existence existential exists operator

existential-default-deep

Check for the existential value of a variable. Assign value by default.

v1.0.0 URL: https://unpkg.com/existential-default-deep@1.0.0/index.js

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default existence existential exists operator

elv

Elvis operator functionality for JavaScript.

v2.2.0 URL: https://unpkg.com/elv@2.2.0/lib/index.js

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elvis existential is defined coalesce truthy exists