From 363723fc84f7b8477592e0105aeb331ec9a017af Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Mon, 14 Aug 2017 05:01:11 +0200 Subject: node_modules --- node_modules/es5-ext/array/#/e-last-index-of.js | 31 +++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 node_modules/es5-ext/array/#/e-last-index-of.js (limited to 'node_modules/es5-ext/array/#/e-last-index-of.js') diff --git a/node_modules/es5-ext/array/#/e-last-index-of.js b/node_modules/es5-ext/array/#/e-last-index-of.js new file mode 100644 index 000000000..15dbe05b8 --- /dev/null +++ b/node_modules/es5-ext/array/#/e-last-index-of.js @@ -0,0 +1,31 @@ +"use strict"; + +var numberIsNaN = require("../../number/is-nan") + , toPosInt = require("../../number/to-pos-integer") + , value = require("../../object/valid-value") + , lastIndexOf = Array.prototype.lastIndexOf + , objHasOwnProperty = Object.prototype.hasOwnProperty + , abs = Math.abs + , floor = Math.floor; + +module.exports = function (searchElement /*, fromIndex*/) { + var i, fromIndex, val; + if (!numberIsNaN(searchElement)) { + // Jslint: ignore + return lastIndexOf.apply(this, arguments); + } + + value(this); + fromIndex = arguments[1]; + if (isNaN(fromIndex)) fromIndex = toPosInt(this.length) - 1; + else if (fromIndex >= 0) fromIndex = floor(fromIndex); + else fromIndex = toPosInt(this.length) - floor(abs(fromIndex)); + + for (i = fromIndex; i >= 0; --i) { + if (objHasOwnProperty.call(this, i)) { + val = this[i]; + if (numberIsNaN(val)) return i; // Jslint: ignore + } + } + return -1; +}; -- cgit v1.2.3