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react-native-devtools-frontend/node_modules/ramda/src/lastIndexOf.js
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Jack Franklin 8b9aa2fca6 Prefer eslint-mocha for linting .only in tests
DISABLE_THIRD_PARTY_CHECK=new npm module causes package-lock change

We can get rid of a custom script and use ESLint for these rules.

Additionally this means editors will highlight the issue in the editor.

Change-Id: I552b52e7f07b4e7430b3f685dbc3b5fad36ffff2
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2052167
Reviewed-by: Paul Lewis <aerotwist@chromium.org>
Commit-Queue: Jack Franklin <jacktfranklin@chromium.org>
2020-02-12 18:12:22 +00:00

42 lines
1.1 KiB
JavaScript

var _curry2 = /*#__PURE__*/require('./internal/_curry2');
var _isArray = /*#__PURE__*/require('./internal/_isArray');
var equals = /*#__PURE__*/require('./equals');
/**
* Returns the position of the last occurrence of an item in an array, or -1 if
* the item is not included in the array. [`R.equals`](#equals) is used to
* determine equality.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig a -> [a] -> Number
* @param {*} target The item to find.
* @param {Array} xs The array to search in.
* @return {Number} the index of the target, or -1 if the target is not found.
* @see R.indexOf
* @example
*
* R.lastIndexOf(3, [-1,3,3,0,1,2,3,4]); //=> 6
* R.lastIndexOf(10, [1,2,3,4]); //=> -1
*/
var lastIndexOf = /*#__PURE__*/_curry2(function lastIndexOf(target, xs) {
if (typeof xs.lastIndexOf === 'function' && !_isArray(xs)) {
return xs.lastIndexOf(target);
} else {
var idx = xs.length - 1;
while (idx >= 0) {
if (equals(xs[idx], target)) {
return idx;
}
idx -= 1;
}
return -1;
}
});
module.exports = lastIndexOf;