Use triple equals instead of double equalsv
This rule is aimed at eliminating the type-unsafe equality operators.
Examples of incorrect code for this rule:
a == b
foo == true
bananas != 1
value == undefined
typeof foo == 'undefined'
'hello' != 'world'
0 == 0
true == true
foo == null
Examples of correct code for this rule:
a === b
foo === true
bananas !== 1
value === undefined
typeof foo === 'undefined'
'hello' !== 'world'
0 === 0
true === true
foo === null