angular-tradingview-widget
Version:
Angular component for rendering the TradingView Advanced Real-Time Chart Widget
142 lines • 15.5 kB
JavaScript
import { Component, Input } from '@angular/core';
import { BarStyles, CONTAINER_ID, IntervalTypes, SCRIPT_ID, Themes } from './tradingview-widget.model';
import * as i0 from "@angular/core";
export class TradingviewWidgetComponent {
constructor() {
this._defaultConfig = {
symbol: 'NASDAQ:AAPL',
allow_symbol_change: true,
autosize: false,
enable_publishing: false,
height: 610,
hideideas: true,
hide_legend: false,
hide_side_toolbar: true,
hide_top_toolbar: false,
interval: IntervalTypes.D,
locale: 'en',
save_image: true,
show_popup_button: false,
style: BarStyles.CANDLES,
theme: Themes.LIGHT,
timezone: 'Etc/UTC',
toolbar_bg: '#F1F3F6',
widgetType: 'widget',
width: 980,
withdateranges: false
};
this.style = {};
this.containerId = CONTAINER_ID;
}
set widgetConfig(value) {
this._widgetConfig = value;
this.cleanWidget();
this.initWidget();
}
get widgetConfig() {
return this._widgetConfig || this._defaultConfig;
}
ngOnInit() {
this.appendScript(this.initWidget.bind(this));
}
initWidget() {
/* global TradingView */
if (typeof TradingView === 'undefined' || !this.getContainer())
return;
const { widgetType, ...widgetConfig } = this.widgetConfig;
const config = { ...widgetConfig, container_id: this.containerId };
if (config.autosize) {
delete config.width;
delete config.height;
}
if (config.popup_width && typeof config.popup_width === 'number') {
config.popup_width = config.popup_width.toString();
}
if (config.popup_height && typeof config.popup_height === 'number') {
config.popup_height = config.popup_height.toString();
}
if (config.autosize) {
this.style = {
width: '100%',
height: '100%'
};
}
/* global TradingView */
if (!!widgetType)
new TradingView[widgetType](config);
else
console.error(`Can not create "TradingView", because "widgetType" is missing`);
}
;
appendScript(onload) {
if (!this.canUseDOM()) {
onload();
return;
}
if (this.scriptExists()) {
/* global TradingView */
if (typeof TradingView === 'undefined') {
this.updateOnloadListener(onload);
return;
}
onload();
return;
}
const script = document.createElement('script');
script.id = SCRIPT_ID;
script.type = 'text/javascript';
script.async = true;
script.src = 'https://s3.tradingview.com/tv.js';
script.onload = onload;
document.getElementsByTagName('head')[0].appendChild(script);
}
;
canUseDOM() {
return typeof window !== 'undefined' &&
window.document &&
window.document.createElement;
}
scriptExists() {
return this.getScriptElement() !== null;
}
updateOnloadListener(onload) {
const script = this.getScriptElement() || {};
const oldOnload = script.onload.bind(this);
return script.onload = () => {
oldOnload();
onload();
};
}
;
getScriptElement() {
return document.getElementById(SCRIPT_ID);
}
cleanWidget() {
if (!this.canUseDOM())
return;
const container = this.getContainer();
if (container) {
container.innerHTML = '';
}
}
;
getContainer() {
return document.getElementById(this.containerId);
}
}
TradingviewWidgetComponent.ɵfac = function TradingviewWidgetComponent_Factory(t) { return new (t || TradingviewWidgetComponent)(); };
TradingviewWidgetComponent.ɵcmp = /*@__PURE__*/ i0.ɵɵdefineComponent({ type: TradingviewWidgetComponent, selectors: [["tradingview-widget"]], inputs: { widgetConfig: "widgetConfig" }, decls: 1, vars: 1, consts: [[3, "id"]], template: function TradingviewWidgetComponent_Template(rf, ctx) { if (rf & 1) {
i0.ɵɵelement(0, "section", 0);
} if (rf & 2) {
i0.ɵɵproperty("id", ctx.containerId);
} }, encapsulation: 2 });
(function () { (typeof ngDevMode === "undefined" || ngDevMode) && i0.ɵsetClassMetadata(TradingviewWidgetComponent, [{
type: Component,
args: [{ selector: 'tradingview-widget', template: `
<section [id]="containerId"> </section>
` }]
}], function () { return []; }, { widgetConfig: [{
type: Input,
args: ['widgetConfig']
}] }); })();
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{ Component, Input, OnInit } from '@angular/core';\r\nimport { BarStyles, CONTAINER_ID, IntervalTypes, ITradingViewWidget, SCRIPT_ID, Themes } from './tradingview-widget.model';\r\n\r\ndeclare const TradingView: any;\r\n\r\n@Component({\r\n  selector: 'tradingview-widget',\r\n  template: `\r\n    <section [id]=\"containerId\"> </section>\r\n  `,\r\n  styles: []\r\n})\r\nexport class TradingviewWidgetComponent implements OnInit {\r\n\r\n  private _widgetConfig!: ITradingViewWidget;\r\n  private _defaultConfig: ITradingViewWidget = {\r\n    symbol: 'NASDAQ:AAPL',\r\n    allow_symbol_change: true,\r\n    autosize: false,\r\n    enable_publishing: false,\r\n    height: 610,\r\n    hideideas: true,\r\n    hide_legend: false,\r\n    hide_side_toolbar: true,\r\n    hide_top_toolbar: false,\r\n    interval: IntervalTypes.D,\r\n    locale: 'en',\r\n    save_image: true,\r\n    show_popup_button: false,\r\n    style: BarStyles.CANDLES,\r\n    theme: Themes.LIGHT,\r\n    timezone: 'Etc/UTC',\r\n    toolbar_bg: '#F1F3F6',\r\n    widgetType: 'widget',\r\n    width: 980,\r\n    withdateranges: false\r\n  };\r\n\r\n  style: {} = {};\r\n  containerId = CONTAINER_ID;\r\n\r\n  @Input('widgetConfig') set widgetConfig (value: ITradingViewWidget) {\r\n      this._widgetConfig = value;\r\n      this.cleanWidget();\r\n      this.initWidget();\r\n   }\r\n\r\n   get widgetConfig (): ITradingViewWidget {\r\n    return this._widgetConfig || this._defaultConfig;\r\n  }\r\n\r\n  constructor() { }\r\n\r\n  ngOnInit(): void {\r\n    this.appendScript(this.initWidget.bind(this));\r\n  }\r\n\r\n  initWidget () {\r\n    /* global TradingView */\r\n    if (typeof TradingView === 'undefined' || !this.getContainer()) return;\r\n    \r\n    const { widgetType, ...widgetConfig } = this.widgetConfig;\r\n    const config = { ...widgetConfig, container_id: this.containerId };\r\n\r\n    if (config.autosize) {\r\n      delete config.width;\r\n      delete config.height;\r\n    }\r\n\r\n\r\n    if (config.popup_width && typeof config.popup_width === 'number') {\r\n      config.popup_width = config.popup_width.toString();\r\n    }\r\n\r\n    if (config.popup_height && typeof config.popup_height === 'number') {\r\n      config.popup_height = config.popup_height.toString();\r\n    }\r\n\r\n    if(config.autosize) {\r\n      this.style = {\r\n        width: '100%',\r\n        height: '100%'\r\n      };\r\n    }\r\n    /* global TradingView */\r\n    if(!!widgetType)\r\n      new TradingView[widgetType](config);\r\n    else \r\n      console.error(`Can not create \"TradingView\", because \"widgetType\" is missing`)\r\n  };\r\n\r\n  appendScript (onload : (() => any)) {\r\n    if (!this.canUseDOM()) {\r\n      onload();\r\n      return;\r\n    }\r\n\r\n    if (this.scriptExists()) {\r\n      /* global TradingView */\r\n      if (typeof TradingView === 'undefined') {\r\n        this.updateOnloadListener(onload);\r\n        return;\r\n      }\r\n      onload();\r\n      return;\r\n    }\r\n    const script = document.createElement('script');\r\n    script.id = SCRIPT_ID;\r\n    script.type = 'text/javascript';\r\n    script.async = true;\r\n    script.src = 'https://s3.tradingview.com/tv.js';\r\n    script.onload = onload;\r\n    document.getElementsByTagName('head')[0].appendChild(script);\r\n  };\r\n  \r\n  canUseDOM () {\r\n    return typeof window !== 'undefined' &&\r\n    window.document &&\r\n    window.document.createElement\r\n  }\r\n\r\n  scriptExists () {\r\n    return this.getScriptElement() !== null;\r\n  }\r\n\r\n  updateOnloadListener (onload: (() => any)) {\r\n    const script = this.getScriptElement() || {} as any;\r\n    const oldOnload = script.onload.bind(this);\r\n    return script.onload = () => {\r\n      oldOnload();\r\n      onload();\r\n    };\r\n  };\r\n\r\n  getScriptElement () {\r\n    return document.getElementById(SCRIPT_ID);\r\n  }\r\n\r\n  cleanWidget () {\r\n    if (!this.canUseDOM()) return;\r\n    const container = this.getContainer();\r\n    if(container) {\r\n      container.innerHTML = '';\r\n    }\r\n  };\r\n\r\n  getContainer () {\r\n    return document.getElementById(this.containerId);\r\n  }\r\n\r\n    \r\n\r\n}\r\n"]}