yahoo-exchange

yahoo-exchange

npm : https://www.npmjs.com/package/yahoo-exchange

getExchangeDataArray(pair, callback, errorHandler): void

• pair : string or Array<string>
• callback : (Array<number>, pair) => any

Array<number> : [Now, Changes, Changes percent, Previous Close, Open, Bid, Ask]

Warning!

Bid and Ask can be returned NaN by some pair. If you find a pair that has errors, please write the pair at the following link.

A known error

JPYKRW : NaN

Example

• getExchangeDataArray('USDKRW', data => console.log(data)); // [ 1070.02, -1.77, -0.17, 1071.79, 1071.77, 1070.02, 1071.02 ]
  

• getExchangeDataArray('USDKRW', data => console.log(data), error => console.log('[Error]' + error));
  // [ 1070.02, -1.77, -0.17, 1071.79, 1071.77, 1070.02, 1071.02 ] or [Error] error message
  

• getExchangeDataArray('USDKRW', (data,pair) => console.log(data,pair), error => console.log('[Error]' + error));
  // [ 1070.02, -1.77, -0.17, 1071.79, 1071.77, 1070.02, 1071.02 ] USDRKW or [Error] error message
  

• getExchangeDataArray('USDKRW', (data,pair) => console.log(data,pair), (error,pair) => console.log(`[Error:${pair}]${error}`));
   // [ 1070.02, -1.77, -0.17, 1071.79, 1071.77, 1070.02, 1071.02 ] USDKRW or [Error:USDKRW] error message
  

• getExchangeDataArray(['USDKRW', 'JPYKRW'], data => console.log(data));
  // [ 1070.02, -1.77, -0.17, 1071.79, 1071.77, 1070.02, 1071.02 ]
  // [ 10.054, -0.055, -0.54, 10.109, 10.109, NaN, NaN ]
  

• getExchangeDataArray(['USDKRW', 'JPYKRW'], data => console.log(data), error => console.log('[Error]' + error));
  // [ 1070.02, -1.77, -0.17, 1071.79, 1071.77, 1070.02, 1071.02 ] or [Error] error message
  // [ 10.054, -0.055, -0.54, 10.109, 10.109, NaN, NaN ] or [Error] error message
  

•  getExchangeDataArray(['USDKRW', 'JPYKRW'], (data,pair) => console.log(data, pair)), error => console.log('[Error]' + error));
   // [ 1070.02, -1.77, -0.17, 1071.79, 1071.77, 1070.02, 1071.02 ] USDKRW or [Error] error message
   // [ 10.054, -0.055, -0.54, 10.109, 10.109, NaN, NaN ] JPYKRW or [Error] error message
  

•  getExchangeDataArray(['USDKRW', 'JPYKRW'], (data,pair) => console.log(data, pair)), (error,pair) => console.log(`[Error:${pair}]${error}`));
   // [ 1070.02, -1.77, -0.17, 1071.79, 1071.77, 1070.02, 1071.02 ] USDKRW or [Error:USDKRW] error message
   // [ 10.054, -0.055, -0.54, 10.109, 10.109, NaN, NaN ] JPYKRW or [Error:JPYKRW] error message
  

Warning

getExchangeDataArray does not return Arrays to Callback.

getData(pair, callback, errorHandler): void @deprecated

deprecated Since version 1.0. Will be deleted in version 2.0. Use getExchangeDataArray instead.

Example

• getData('USDKRW', data => console.log(data)); // [
  

• getData('USDKRW', data => console.log(data), error => console.log('[Error]' + error));
  // 1070 or [Error] error message
  

• getData('USDKRW', (data,pair) => console.log(data,pair), error => console.log('[Error]' + error));
  // 1070 USDRKW or [Error] error message
  

• getData('USDKRW', (data,pair) => console.log(data,pair), (error,pair) => console.log(`[Error:${pair}]${error}`));
   // 1070 USDKRW or [Error:USDKRW] error message
  

getDataArray(pair, callback, errorHandler): void @deprecated

deprecated Since version 1.0. Will be deleted in version 2.0. Use getExchangeDataArray instead.

Example

• getDataArray(['USDKRW', 'JPYKRW'], data => console.log(data));
  // 1070
  // 970
  

• getDataArray(['USDKRW', 'JPYKRW'], data => console.log(data), error => console.log('[Error]' + error));
  // 1070 or [Error] error message
  // 970 or [Error] error message
  

•  getDataArray(['USDKRW', 'JPYKRW'], (data,pair) => console.log(data, pair)), error => console.log('[Error]' + error));
   // 1070 USDKRW or [Error] error message
   // 970 JPYKRW or [Error] error message
  

•  getDataArray(['USDKRW', 'JPYKRW'], (data,pair) => console.log(data, pair)), (error,pair) => console.log(`[Error:${pair}]${error}`));
   // 1070 USDKRW or [Error:USDKRW] error message
   // 970 JPYKRW or [Error:JPYKRW] error message
  

Warning

getDataArray does not return Array to Callback.

getPairArray(currency: Array, base: Array): Array

It Returns a pair array.

Example

•  const currency = ['USD','JPY'];
   const base = ['KRW'];
   getPairArray(currency,base);
   // ['USDKRW','JPYKRW'];
  

test.js

• const yahooExchange = require('yahoo-exchange');
  /**
   * yahooExchange.getData('USDKRW', data => console.log(data));
   * yahooExchange.getDataArray(['USDKRW', 'JPYKRW'], data => console.log(data));
   * yahooExchange.getData('USDKRW', (data, pair) => console.log(data, pair));
   * yahooExchange.getDataArray(['USDKRW', 'JPYKRW'], (data, pair) => console.log(data, pair));
   * yahooExchange.getData('USDKRW', (data, pair) => console.log(data, pair), (error,pair) => console.log(`[Error] ${pair}\n${error}`));
   * yahooExchange.getDataArray(['USDKRW', 'JPYKRW'], (data, pair) => console.log(data, pair), (error,pair) => console.log(`[Error] ${pair}\n${error}`));
   */
  yahooExchange.getExchangeDataArray('USDKRW', data => console.log(data));
  yahooExchange.getExchangeDataArray(['USDKRW', 'JPYKRW'], data => console.log(data));
  yahooExchange.getExchangeDataArray('USDKRW', (data, pair) => console.log(data, pair));
  yahooExchange.getExchangeDataArray(['USDKRW', 'JPYKRW'], (data, pair) => console.log(data, pair));
  yahooExchange.getExchangeDataArray('USDKRW', (data, pair) => console.log(data, pair), (error, pair) => console.log(`[Error] ${pair}\n${error}`));
  yahooExchange.getExchangeDataArray(['USDKRW', 'JPYKRW'], (data, pair) => console.log(data, pair), (error, pair) => console.log(`[Error] ${pair}\n${error}`));