JavaScript解析包含名称-值对的文本

const str = `First Name: John
Last name : Doe
Address :London`,

      result = str
        .split("\n")
        .reduce((acc, substr) => {
          const [prop, value] = substr.split(/\s*:\s*/)
          acc[prop] = value
          return acc
        }, {})
        
console.log(result)

.as-console-wrapper{min-height:100%;}