RutwikPatel13 · April 27, 2024 09:20
diff --git a/script.js b/script.js
 // 1. login to https://www.isin.com/ and then head over to https://www.isin.com/isin-database/ page
 // 2. open the chrome console by pressing F12, and paste the script inside the console.
 // output: a json file named `all-data.json` containing list of dictionaries of info about the companies.

 const org = ["nobiskrug", "swm", "vattenfall", 
              // and all the other companies you need to extract information about
            ];
 function downloadJSON(data) {
    const dataStr = JSON.stringify(data, null, 2);
    const blob = new Blob([dataStr], { type: 'application/json' });
    const url = URL.createObjectURL(blob);
    const link = document.createElement('a');
    link.href = url;
    link.download = 'all-data.json';
    document.body.appendChild(link);
    link.click();
    document.body.removeChild(link);
    URL.revokeObjectURL(url);
 }

 async function fetchTableDataByISIN(isinList) {
    const results = [];
    console.log('Starting data fetch...');

    const startTime = performance.now(); // Start timing for total processing

    for (let i = 0; i < isinList.length; i++) {
        const isin = isinList[i];
        const individualStartTime = performance.now(); // Start timing for this ISIN

        console.log(`Processing ${i + 1}/${isinList.length}: ${isin}`);

        try {
            // Change the input value
            document.getElementById('isin').value = isin;
            
            // Change the dropdown to 'By Title'
            const dropdown = document.querySelector('select[name="search_select"]');
            dropdown.value = 'title';

            // Create a FormData object from the form
            const form = dropdown.closest('form');
            const formData = new FormData(form);

            // Promise for the fetch request
            const fetchPromise = fetch(form.action, {
                method: form.method,
                body: formData,
                redirect: 'manual' // try to prevent automatic navigation
            });

            // Promise for the timeout
            const timeoutPromise = new Promise((resolve, reject) => {
                setTimeout(() => {
                    reject(new Error('Request timed out after 10000 milliseconds'));
                }, 10000);
            });

            // Use Promise.race to race fetch against the timeout
            // const response = await Promise.race([fetchPromise, timeoutPromise]);
            const response = await Promise.race([fetchPromise]);

            if (!response.ok) throw new Error('Failed to fetch data');

            const text = await response.text();

            // Parse the response HTML
            const parser = new DOMParser();
            const doc = parser.parseFromString(text, "text/html");

            // Check if the table exists in the response
            const table = doc.querySelector('.data_report_Table');
            if (table) {
                const headers = Array.from(table.querySelectorAll('th[scope="col"]')).map(th => th.textContent.trim());
                const rows = table.querySelectorAll('tr.temRow_dt_intfc524c84e8baaee.report_entry');
                const tableData = Array.from(rows).map(row => {
                    const cells = row.querySelectorAll('td');
                    const rowData = {};
                    cells.forEach((cell, index) => {
                        rowData[headers[index]] = cell.textContent.trim();
                    });
                    return rowData;
                });

                results.push({ isin, data: tableData });

            } else {
                results.push({ isin, error: 'No table found' });
            }
        } catch (error) {
            console.error(`Error processing ISIN ${isin}: ${error.message}`);
            results.push({ isin, error: error.message });
        }

        const individualEndTime = performance.now(); // End timing for this ISIN
        console.log(`Processed ${isin} in ${(individualEndTime - individualStartTime).toFixed(2)} ms`);
    }

    const endTime = performance.now(); // End timing for total processing
    console.log(`Data fetching completed in ${(endTime - startTime).toFixed(2)} ms.`);
    downloadJSON(results);
    return results;
 }

 // Example use case
 // fetchTableDataByISIN(org.slice(0,10)).then(data => console.log(data));
 fetchTableDataByISIN(org).then(data => console.log(data));
	// 1. login to https://www.isin.com/ and then head over to https://www.isin.com/isin-database/ page
	// 2. open the chrome console by pressing F12, and paste the script inside the console.
	// output: a json file named `all-data.json` containing list of dictionaries of info about the companies.

	const org = ["nobiskrug", "swm", "vattenfall",
	// and all the other companies you need to extract information about
	];
	function downloadJSON(data) {
	const dataStr = JSON.stringify(data, null, 2);
	const blob = new Blob([dataStr], { type: 'application/json' });
	const url = URL.createObjectURL(blob);
	const link = document.createElement('a');
	link.href = url;
	link.download = 'all-data.json';
	document.body.appendChild(link);
	link.click();
	document.body.removeChild(link);
	URL.revokeObjectURL(url);
	}

	async function fetchTableDataByISIN(isinList) {
	const results = [];
	console.log('Starting data fetch...');

	const startTime = performance.now(); // Start timing for total processing

	for (let i = 0; i < isinList.length; i++) {
	const isin = isinList[i];
	const individualStartTime = performance.now(); // Start timing for this ISIN

	console.log(`Processing ${i + 1}/${isinList.length}: ${isin}`);

	try {
	// Change the input value
	document.getElementById('isin').value = isin;

	// Change the dropdown to 'By Title'
	const dropdown = document.querySelector('select[name="search_select"]');
	dropdown.value = 'title';

	// Create a FormData object from the form
	const form = dropdown.closest('form');
	const formData = new FormData(form);

	// Promise for the fetch request
	const fetchPromise = fetch(form.action, {
	method: form.method,
	body: formData,
	redirect: 'manual' // try to prevent automatic navigation
	});

	// Promise for the timeout
	const timeoutPromise = new Promise((resolve, reject) => {
	setTimeout(() => {
	reject(new Error('Request timed out after 10000 milliseconds'));
	}, 10000);
	});

	// Use Promise.race to race fetch against the timeout
	// const response = await Promise.race([fetchPromise, timeoutPromise]);
	const response = await Promise.race([fetchPromise]);

	if (!response.ok) throw new Error('Failed to fetch data');

	const text = await response.text();

	// Parse the response HTML
	const parser = new DOMParser();
	const doc = parser.parseFromString(text, "text/html");

	// Check if the table exists in the response
	const table = doc.querySelector('.data_report_Table');
	if (table) {
	const headers = Array.from(table.querySelectorAll('th[scope="col"]')).map(th => th.textContent.trim());
	const rows = table.querySelectorAll('tr.temRow_dt_intfc524c84e8baaee.report_entry');
	const tableData = Array.from(rows).map(row => {
	const cells = row.querySelectorAll('td');
	const rowData = {};
	cells.forEach((cell, index) => {
	rowData[headers[index]] = cell.textContent.trim();
	});
	return rowData;
	});

	results.push({ isin, data: tableData });

	} else {
	results.push({ isin, error: 'No table found' });
	}
	} catch (error) {
	console.error(`Error processing ISIN ${isin}: ${error.message}`);
	results.push({ isin, error: error.message });
	}

	const individualEndTime = performance.now(); // End timing for this ISIN
	console.log(`Processed ${isin} in ${(individualEndTime - individualStartTime).toFixed(2)} ms`);
	}

	const endTime = performance.now(); // End timing for total processing
	console.log(`Data fetching completed in ${(endTime - startTime).toFixed(2)} ms.`);
	downloadJSON(results);
	return results;
	}

	// Example use case
	// fetchTableDataByISIN(org.slice(0,10)).then(data => console.log(data));
	fetchTableDataByISIN(org).then(data => console.log(data));