Travis build: 891
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@ -8,7 +8,6 @@ Use `Object.keys(obj)` to iterate over the object's keys.
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Use `Array.prototype.reduce()` to create a new object with the same values and mapped keys using `fn`.
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```js
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const deepMapKeys = (obj, f) =>
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Array.isArray(obj)
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? obj.map(val => deepMapKeys(val, f))
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@ -6,7 +6,6 @@ Use the `in` operator to check if `target` exists in `obj`.
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If found, return the value of `obj[target]`, otherwise use `Object.values(obj)` and `Array.prototype.reduce()` to recursively call `dig` on each nested object until the first matching key/value pair is found.
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```js
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const dig = (obj, target) =>
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target in obj
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? obj[target]
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@ -8,7 +8,6 @@ Otherwise, return the product of `n` and the factorial of `n - 1`.
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Throws an exception if `n` is a negative number.
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```js
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const factorial = n =>
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n < 0
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? (() => {
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@ -17,7 +17,7 @@ const sum = pipeAsyncFunctions(
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x => x + 3,
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async x => (await x) + 4
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);
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(async () => {
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(async() => {
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console.log(await sum(5)); // 15 (after one second)
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})();
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```
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@ -9,9 +9,9 @@ The `func` is invoked with three arguments (`value, index, array`).
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const remove = (arr, func) =>
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Array.isArray(arr)
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? arr.filter(func).reduce((acc, val) => {
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arr.splice(arr.indexOf(val), 1);
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return acc.concat(val);
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}, [])
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arr.splice(arr.indexOf(val), 1);
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return acc.concat(val);
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}, [])
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: [];
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```
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