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14 lines
352 B
14 lines
352 B
var safeCb = require('./safeCb');
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exports = function(arr, predicate, ctx, dir) {
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dir = dir || 1;
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predicate = safeCb(predicate, ctx);
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var len = arr.length;
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var i = dir > 0 ? 0 : len - 1;
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while (i >= 0 && i < len) {
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if (predicate(arr[i], i, arr)) return i;
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i += dir;
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}
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return -1;
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};
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module.exports = exports;
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