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Avoid using the values toString method in _.invert if it’s not a function. [closes #3260]

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John-David Dalton
2017-07-12 07:42:33 -07:00
parent 534296bba4
commit 01148a1df8
1 changed files with 5 additions and 0 deletions
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5
invert.js
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@@ -1,3 +1,5 @@
const toString = Object.prototype.toString
/** /**
* Creates an object composed of the inverted keys and values of `object`. * Creates an object composed of the inverted keys and values of `object`.
* If `object` contains duplicate values, subsequent values overwrite * If `object` contains duplicate values, subsequent values overwrite
@@ -17,6 +19,9 @@
function invert(object) { function invert(object) {
const result = {} const result = {}
Object.keys(object).forEach((value, key) => { Object.keys(object).forEach((value, key) => {
if (value != null && typeof value.toString != 'function') {
value = toString.call(value)
}
result[value] = key result[value] = key
}) })
return result return result