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docs/ccxt/examples/js/coinone-fetch-tickers.js

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+
+
+import { nice as ansi } from 'ansicolor';
+import ololog from 'ololog';
+import asTable from 'as-table';
+
+import ccxt from '../../js/ccxt.js';
+
+const { noLocate } = ololog;
+const log = noLocate;
+
+const table = asTable.configure ({
+        delimiter: ' | '.dim,
+        right: true,
+    });
+
+const exchange = new ccxt.coinone ({
+    'verbose': process.argv.includes ('--verbose'),
+})
+
+let printTickersAsTable = function (exchange, tickers) {
+    log (exchange.id.green, exchange.iso8601 (exchange.milliseconds ()))
+    log ('Fetched', Object.values (tickers).length.toString ().green, 'tickers:')
+    log (table (ccxt.sortBy (Object.values (tickers), 'symbol', false)))
+}
+
+async function fetchAllAndPrint () {
+    const tickers = await exchange.fetchTickers ()
+    log ('---------------------------------------- fetchTickers ----------------------------------------')
+    printTickersAsTable (exchange, tickers)
+}
+
+async function fetchOneByOneAndPrint () {
+    const markets = await exchange.loadMarkets ()
+    const symbols = Object.keys (markets)
+    const tickers = []
+
+    log ('---------------------------------------- fetchTicker (one by one) ----------------------------------------')
+
+    for (let i = 0; i < symbols.length; i++) {
+        const ticker = await exchange.fetchTicker (symbols[i])
+        tickers.push (ticker)
+        log (`${i+1} / ${symbols.length}`)
+        log ('\u001b[1A'.repeat (2))  // cursor up
+    }
+
+    printTickersAsTable (exchange, tickers)
+}
+
+(async () => {
+    await fetchAllAndPrint ()
+    log ('\n')
+    await fetchOneByOneAndPrint ()
+}) ()