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eslint-plugin-lodash

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# Prefer _.isNil When checking that a value is undefined or null (but not false or ''), it is more concise to use _.isNil instead. ## Rule Details This rule takes no arguments. The following patterns are considered warnings: ```js var t = !_.isNull(x) && !_.isUndefined(x); var t = x === undefined || x === null; ``` The following patterns are not considered warnings: ```js var t = _.isNil(x); var t = _.isUndefined(x) || _.isNull(y); ``` ## When Not To Use It ##### This rule is only relevant for Lodash 4. If you don't use Lodash 4, you should not use this rule. If you do not want to enforce using `_.isNil`, and prefer using specific checks instead.