wehub-resource-sync
110 lines
4.4 KiB
JavaScript
110 lines
4.4 KiB
JavaScript
// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
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// ┃ ██████ ██████ ██████ █ █ █ █ █ █▄ ▀███ █ ┃
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// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█ ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄ ▀█ █ ▀▀▀▀▀ ┃
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// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄ █ ▄▄▄▄▄ ┃
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// ┃ █ ██████ █ ▀█▄ █ ██████ █ ███▌▐███ ███████▄ █ ┃
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// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
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// ┃ Copyright (c) 2017, the Perspective Authors. ┃
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// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
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// ┃ This file is part of the Perspective library, distributed under the terms ┃
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// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
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// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
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import "/node_modules/@perspective-dev/viewer/dist/cdn/perspective-viewer.js";
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import "/node_modules/@perspective-dev/viewer-datagrid/dist/cdn/perspective-viewer-datagrid.js";
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import "/node_modules/@perspective-dev/viewer-charts/dist/cdn/perspective-viewer-charts.js";
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import perspective from "/node_modules/@perspective-dev/client/dist/cdn/perspective.js";
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var SECURITIES = [
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"AAPL.N",
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"AMZN.N",
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"QQQ.N",
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"NVDA.N",
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"TSLA.N",
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"FB.N",
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"MSFT.N",
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"TLT.N",
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"XIV.N",
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"YY.N",
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"CSCO.N",
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"GOOGL.N",
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"PCLN.N",
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];
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var CLIENTS = [
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"Homer",
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"Marge",
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"Bart",
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"Lisa",
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"Maggie",
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"Moe",
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"Lenny",
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"Carl",
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"Krusty",
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];
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// Create 5 random rows of data.
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function newRows() {
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var rows = [];
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for (var x = 0; x < 50; x++) {
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rows.push({
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name: SECURITIES[Math.floor(Math.random() * SECURITIES.length)],
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client: CLIENTS[Math.floor(Math.random() * CLIENTS.length)],
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lastUpdate: new Date(),
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chg: Math.random() * 20 - 10,
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bid: Math.random() * 10 + 90,
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ask: Math.random() * 10 + 100,
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vol: Math.random() * 10 + 100,
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});
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}
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return rows;
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}
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// Get element from the DOM.
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var elem = document.getElementsByTagName("perspective-viewer")[0];
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// Create a new Perspective WebWorker instance.
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var worker = await perspective.worker();
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// Create a new Perspective table in our `worker`, and limit it it 500 rows.
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const table = await worker.table(newRows(), {
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name: "streaming",
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limit: 500,
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});
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// Load the `table` in the `<perspective-viewer>` DOM reference.
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await elem.load(worker);
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elem.restore({
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plugin: "Datagrid",
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columns_config: {
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"(+)chg": { fg_gradient: 7.93, number_fg_mode: "bar" },
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"(-)chg": { fg_gradient: 8.07, number_fg_mode: "bar" },
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chg: { bg_gradient: 9.97, number_bg_mode: "gradient" },
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},
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plugin_config: {
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editable: false,
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scroll_lock: true,
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},
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settings: true,
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table: "streaming",
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theme: "Pro Light",
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group_by: ["name"],
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split_by: ["client"],
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columns: ["(-)chg", "chg", "(+)chg"],
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filter: [],
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sort: [["chg", "desc"]],
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expressions: {
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"(-)chg": 'if("chg"<0){"chg"}else{0}',
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"(+)chg": 'if("chg">0){"chg"}else{0}',
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},
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aggregates: { "(-)chg": "avg", chg: "avg", "(+)chg": "avg" },
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});
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// Add more rows every 50ms using the `update()` method on the `table` directly.
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(function postRow() {
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table.update(newRows());
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setTimeout(postRow, 10);
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})();
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