diff --git a/snippets/toHash.md b/snippets/toHash.md index 0711dc607..1e176b15d 100644 --- a/snippets/toHash.md +++ b/snippets/toHash.md @@ -1,8 +1,8 @@ ### toHash -Reduces a given Array Like into a value hash(keyed data store) +Reduces a given Array-like into a value hash (keyed data store). -Given an Iterable or Array like structure we call Array.prototype.reduce.call on the provided object to step over it and return an Object keyed by the reference value +Given an Iterable or Array-like structure, call `Array.prototype.reduce.call()` on the provided object to step over it and return an Object, keyed by the reference value. ```js const toHash = ( object, key ) => @@ -12,11 +12,10 @@ const toHash = ( object, key ) => ```js toHash([ 4,3,2,1 ]); // { 0: 4, 1: 3, 2: 2, 1: 1 } toHash([ { a: 'label' } ], 'a'); // { label: { a: 'label' } } - -// A more in depth example +// A more in depth example: let users = [ { id: 1, first: 'Jon' }, { id: 2, first: 'Joe' }, { id: 3, first: 'Moe' } ]; let managers = [ { manager: 1, employees: [ 2, 3 ] } ]; -// We use function here because we want a bindable reference but a closure referencing the hash would work too +// We use function here because we want a bindable reference, but a closure referencing the hash would work, too. managers.forEach( manager => manager.employees = manager.employees.map( function( id ){ @@ -25,5 +24,5 @@ managers.forEach( manager => toHash( users, 'id' ) ) ); -managers // [ { manager:1, employees: [ { id: 2, first: "Joe" }, { id: 3, first: "Moe" } ] } ] +managers; // [ { manager:1, employees: [ { id: 2, first: "Joe" }, { id: 3, first: "Moe" } ] } ] ```