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JS Library for using Polygon.io with TradingView charting.

JavaScript 100.00%

stocks crypto charting polygonio tradingview js lib

tradingview-adapter's Introduction

Polygon.io TradingView Adapter

JS Library for using Polygon.io with TradingView charting.

Installation

	npm i @polygon.io/tradingview-adapter --save-dev

Usage

import PolygonAdapter from '@polygon.io/tradingview-adapter'

const client = new PolygonAdapter({
	apikey: 'YOUR_APIKEY',
	realtimeEnabled: true 	// True(default) = Use websockets for updates. False = use polling for new data.
})

const widget = new TradingView.widget({
	fullscreen: true,
	symbol: 'AAPL',
	interval: '1D',
	timezone: 'America/New_York',
	container_id: "tv_chart_container", /* ID of the container element */
	datafeed: client, /* Our Polygon.io Adapter */
	library_path: "/charting_library/", /* Where your TV Library files reside */
	locale: "en",
	disabled_features: ["use_localstorage_for_settings"],
	enabled_features: ["study_templates"],
	charts_storage_url: 'http://saveload.tradingview.com',
	charts_storage_api_version: "1.1",
	client_id: 'tradingview.com',
	user_id: 'public_user_id',
	theme: 'Light', /* Light or Dark */
})

Currently only stocks are supported at 1min and 1day intervals. This will be fixed soon.

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tradingview-adapter's Issues

Interagtion tradingview

Hello, I operate according to readme.md commands. But I couldn't do the integration process. What are the guidelines to follow regarding this? Could you help

The library I use is:

https://github.com/tradingview/charting_library

is there anyway to show crypto data

unfortunately there is no documentation of how to implements this in other markets
any idea?

resolveSymbol method not working !

Hello,
we integrated this charting library and the polygon provider months ago, it was work correctly, now it's not working because of this method called: resolveSymbol, I almost sure that the problem is that you changed something in the Endpoint api request so you have to fix it to work with the new changes you made to the API endpoint/s, here is the full code of the NOT working mehtod:

resolveSymbol( symbol, cb, cberr ){
		console.log('resolve symbol:', symbol)
		let TickerTypeMap = {
			'STOCKS': 'stock',
			'FX': 'forex',
			'CRYPTO': 'bitcoin',
		}
		axios.get(`${BASE_URL}/v2/reference/tickers/${symbol}?apiKey=${this.apikey}`).then(( data ) => {
			console.log('DATAAA', data)
			let c = Get( data, 'data.results', {} )
			let intFirst = Get( c, 'aggs.intraday.first', false )
			let dayFirst = Get( c, 'aggs.daily.first', false )
			cb({
				name: c.ticker.ticker,
				ticker: c.ticker.ticker,
				type: TickerTypeMap[ c.ticker.type ] || 'stocks',
				exchange: c.ticker.exchange,
				timezone: 'America/New_York',
				first_intraday: intFirst,
				has_intraday: ( intFirst != false ),
				first_daily: dayFirst,
				has_daily: ( dayFirst != false ),
				supported_resolutions: SUPPORTED_RESOLUTIONS,
			})
		})
	}

Thank you.

Getting resolveSymbol to work

Not sure if Polygon changed data format since this was built but I was having some issues integrating the adapter into tradingview charts. Updating resolveSymbol as follows solved the problem for me. Figured I'd share in case anyone else is having the same problem.

	resolveSymbol( symbol, cb, cberr ){
		console.log('resolve symbol:', symbol)
		let TickerTypeMap = {
			'STOCKS': 'stock',
			'FX': 'forex',
			'CRYPTO': 'bitcoin',
		}
		axios.get(`${BASE_URL}/v2/reference/tickers?search=${symbol}&perpage=50&page=1&apiKey=${this.apikey}`).then(( data ) => {
			console.log('DATAAA', data)
			let c = Get( data, 'data.tickers[0]', {} )
			console.log('c',c)
			cb({
				name: c.name,
				ticker: c.ticker,
				type: TickerTypeMap[ c.market ] || 'stocks',
				exchange: c.primaryExch,
				minmov: 1,
				pricescale: 100,
				session:'0900-1630',
				timezone: 'America/New_York',
				has_intraday: true,
				supported_resolutions: SUPPORTED_RESOLUTIONS,
			})
		})
	}

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