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July 30, 2018 18:53
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Iterable Objects
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Object.prototype[Symbol.iterator] = function() { | |
let obj = this; | |
let keyit = Object.keys(obj)[Symbol.iterator](); | |
return {next() { | |
let {done, value} = keyit.next(); | |
if (done) { | |
return {done}; | |
} | |
return {done, value: { | |
key: value, value: obj[value] | |
}}; | |
}}; | |
}; |
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function iterize(obj, type) { | |
obj[Symbol.iterator] = function() { | |
let keyit = Object.keys(obj)[Symbol.iterator](); | |
return {next() { | |
let {done, value} = keyit.next(); | |
if (done) { | |
return {done}; | |
} else if(type && type === "array") { | |
return {done, value: [ | |
value, | |
obj[value] | |
]}; | |
} else if(type && type === "object") { | |
return {done, value: { | |
key: value, value: obj[value] | |
}}; | |
} | |
return {done, value: obj[value]}; | |
}}; | |
}; | |
return obj; | |
} |
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