data-source-loader-qq

data-source loader for gu.qq with lru-cache

Install

$ npm install data-source-loader-qq --save

Usage

const Loader = require('data-source-loader-qq')

new Loader('sz000002', 'DAY').get(new Date)
.then(({
  open,
  close,
  high,
  low,
  volume
}) => {

  // do something ...
})

new Loader(code, span, {request, loaded})

• code string stock code
• span Enum<MONTH|WEEK|DAY|MINUTE60|MINUTE30|MINITE15|MINITE5> time span
• request function(url, {code, span})=
• loaded function(data)=NOOP method to execute when the data loaded.

get(time)

Gets a candlestick data by time

• time Date the specified time.

Returns Candlestick

struct Candlestick

• open
• high
• low
• close
• volume
• time

get(...times)

• times Array<Date>

Gets the latest datum.

Returns Array<Candlestick>

between([from: Date, to: Date])

• from Date left-closed border of a region
• to Date right-closed border of a region

Returns Array<Candlestick>

License

MIT