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Add ability to override Profile.format with custom delegate
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| **New Features** | ||
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| * Added the `AssetClass` enumeration to describe instrument types (e.g. stocks, futures, options, etc). | ||
| * Added the `Profile.asset` property which references an `AssetClass` item, assuming the asset class can be inferred from the instrument's symbol. | ||
| * Added the `Profile.setPriceFormatterCustom` function which allows the consumer to specify their own price format function, completely overriding the default price formatting logic. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| const Enum = require('@barchart/common-js/lang/Enum'); | ||
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| module.exports = (() => { | ||
| 'use strict'; | ||
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| /** | ||
| * An enumeration for instrument types (e.g. stock, future, etc). | ||
| * | ||
| * @public | ||
| * @exported | ||
| * @extends {Enum} | ||
| * @param {String} code | ||
| * @param {String} description | ||
| * @param {Number} id | ||
| */ | ||
| class AssetClass extends Enum { | ||
| constructor(code, description, id) { | ||
| super(code, description); | ||
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| this._id = id; | ||
| } | ||
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| /** | ||
| * A unique numeric identifier assigned by Barchart. | ||
| * | ||
| * @public | ||
| * @returns {Number} | ||
| */ | ||
| get id() { | ||
| return this._id; | ||
| } | ||
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| toJSON() { | ||
| return this._id; | ||
| } | ||
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| /** | ||
| * Converts the string-based identifier into an enumeration item. | ||
| * | ||
| * @public | ||
| * @static | ||
| * @param {String} code | ||
| * @returns {AssetClass|null} | ||
| */ | ||
| static parse(code) { | ||
| return Enum.fromCode(UnitCode, code); | ||
| } | ||
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| /** | ||
| * Converts the numeric identifier into an enumeration item. | ||
| * | ||
| * @public | ||
| * @static | ||
| * @param {Number} id | ||
| * @returns {AssetClass|null} | ||
| */ | ||
| static fromId(id) { | ||
| return Enum.getItems(AssetClass).find(x => x.id === id) || null; | ||
| } | ||
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| /** | ||
| * A stock. | ||
| * | ||
| * @public | ||
| * @static | ||
| * @returns {AssetClass} | ||
| */ | ||
| static get STOCK() { | ||
| return STOCK; | ||
| } | ||
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| /** | ||
| * A stock option. | ||
| * | ||
| * @public | ||
| * @static | ||
| * @returns {AssetClass} | ||
| */ | ||
| static get STOCK_OPTION() { | ||
| return STOCK_OPTION; | ||
| } | ||
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| /** | ||
| * A future. | ||
| * | ||
| * @public | ||
| * @static | ||
| * @returns {AssetClass} | ||
| */ | ||
| static get FUTURE() { | ||
| return FUTURE; | ||
| } | ||
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| /** | ||
| * A future option. | ||
| * | ||
| * @public | ||
| * @static | ||
| * @returns {AssetClass} | ||
| */ | ||
| static get FUTURE_OPTION() { | ||
| return FUTURE_OPTION; | ||
| } | ||
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| /** | ||
| * A foreign exchange instrument. | ||
| * | ||
| * @public | ||
| * @static | ||
| * @returns {AssetClass} | ||
| */ | ||
| static get FOREX() { | ||
| return FOREX; | ||
| } | ||
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| toString() { | ||
| return `[AssetClass (id=${this.id}, code=${this.code})]`; | ||
| } | ||
| } | ||
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| const STOCK = new AssetClass('STK', 'U.S. Equity', 1); | ||
| const STOCK_OPTION = new AssetClass('STKOPT', 'Equity Option', 34); | ||
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| const FUTURE = new AssetClass('FUT', 'Future', 2); | ||
| const FUTURE_OPTION = new AssetClass('FUTOPT', 'Future Option', 12); | ||
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| const FOREX = new AssetClass('FOREX', 'FOREX', 10); | ||
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| return AssetClass; | ||
| })(); |
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