Add the ability to get historical data using a specified date range

Fixes DavideViolante#143

index.d.ts

@@ -13,4 +13,18 @@ declare module "investing-com-api" {
     price_low: number,
     price_close: number,
   }[]>;
+
+  export function getHistoricalData(
+    input: string,
+    resolution: '5' | '60' | 'D' | 'W' | 'M',
+    from: Date,
+    to: Date
+  ): Promise<{
+    date: number,
+    value: number,
+    price_open: number,
+    price_high: number,
+    price_low: number,
+    price_close: number,
+  }[]>;
 }

index.js

@@ -1,6 +1,7 @@
 const puppeteer = require('puppeteer');
 const { mapping } = require('./mapping');
 const { getJsonContent, mapResponse } = require('./functions');
+const getHistoricalData = require('./src/getHistoricalData')
 
 const validPeriod = ['P1D', 'P1W', 'P1M', 'P3M', 'P6M', 'P1Y', 'P5Y', 'MAX'];
 const validInterval = ['PT1M', 'PT5M', 'PT15M', 'PT30M', 'PT1H', 'PT5H', 'P1D', 'P1W', 'P1M'];
@@ -83,4 +84,7 @@ async function investing(input, period = 'P1M', interval = 'P1D', pointscount =
 
 // investing('1').then(console.log);
 
-exports.investing = investing;
+module.exports = {
+  investing,
+  getHistoricalData
+}

package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "lint": "eslint ./",
-    "test": "jest --forceExit",
+    "test": "jest",
     "coverage": "jest --coverage --forceExit"
   },
   "repository": {
@@ -31,7 +31,9 @@
   },
   "homepage": "https://github.com/DavideViolante/investing-com-api#readme",
   "jest": {
-    "coveragePathIgnorePatterns": ["functions.js"]
+    "coveragePathIgnorePatterns": [
+      "functions.js"
+    ]
   },
   "dependencies": {
     "puppeteer": "^22.15.0"
@@ -40,6 +42,7 @@
     "eslint": "^8.28.0",
     "eslint-config-google": "^0.14.0",
     "jest": "^29.3.1",
-    "jest-puppeteer": "^10.0.1"
+    "jest-puppeteer": "^10.0.1",
+    "nock": "^14.0.0-beta.15"
   }
 }