This is just a tutorial scenario and will not work.
You can find more examples and their parsed JS versions here.
/*
* This is just a tutorial scenario and will not work
*/
USE darq\io\file; // Will attach a core library to the JS engine
/*
* You can add a core or third-party library to the JS engine using the USE command.
* If there is no spaces between the address, you can write that without any quotes.
* This library will be parsed and attached to the JS engine before execution.
* The finding package procedure in this command will check one of the three steps:
1. If the "darq\io\file.darq" file exists, it will be parsed and attached to the JS engine.
2. If the "darq\io\file.js" file exists, it will be attached directly to the JS engine.
3. If the "darq\io\file" directory exists, it will USE all files or directories in that.
*/
USE "D:\My Libs\Text\Normalization"; // Will attach a third-party library to the JS engine
CONST source = OPENFILE(); // Using a command of the "darq\io\file" library, which will show an open file dialog
CONST destination = SAVEFILE("results", "Comma Separated Values Files (*.csv)|*.csv"); // Using a command of the "darq\io\file" library, which will show a save file dialog
/*
* All of the JS statements are accessible in a case-insensitive mode.
*/
const retries = parseInt(prompt("How many retry do you want to do, If it can not fetched?", 2));
var days = 100;
/*
* You can write pure JS everywhere...
*/
dailyChack: // Define a label to can do it again
/*
* All labelled procedures will parse as an isolate function:
function dailyChack() {
// No returner procedure
}
*/
FOR EACH row OF FILE(source).rows, DO // A human-readable version of a loop
/*
* A FILE object will have multiple types of return:
* text: // You can get or set the string of text content in the file
* bytes: // You can get or set the array of bytes in the file
* lines: // You can get or set the array of line strings in the file
* rows: // You can get or set the array of row objects in the file
* warps: // You can get or set the array of vertical line (concatenated cols) strings in the file
* cols: // You can get or set the array of column objects in the file
* cells: // You can get or set a flat array of all cells in the file
*/
checkItem:
LET trying BE 0;
TRY TO // Start a try block, you can write TRY instead.
FETCH "api.market.com/search", {
merchandise:row[5], // The column index 5, you can use DaRQ Selectors in the brackets too
type: "json"
}
THEN // If the fetching promise finished
IF FETCHED // If the data was received successfully
FOR EACH item OF RESPONSE.json() // Access to the RESPONSE object received in this workspace
APPEND destination, // Store new line, row or object on the selected database or file
SELECT // Collect all the cells of an object into a new object
"api.market.com" AS Reference,
*,
item Main_Price - item Discount AS Price, // If there is not a function named the identifier you use, you can chain its properties or functions without using dot('.') too
(IF item Count IS 0 "absent" ELSE item.Count) AS Numbers
FROM item;
ELSE
LOAD "www.market.com/search/merchandise="+row[5]
THEN // If the loading promise finished
IF LOADED DO // If the website document is loaded completely
FOR EACH item OF ALL "div table>tbody>tr",
APPEND destination, // Store new row or line on the database
COLLECT // Collect all the cells in an object, exactly like { name:value, ... }
"www.market.com" AS Reference,
NORMALIZE(CONCAT(item[".company-title>*"], " ")) AS Company_Name, // To normalize, all elements innerTexts of selected children of item using DaRQ Selector (in the brackets)
(NORMALIZE FIRST SPLIT CONCAT(item[".product-title>*"], " "), /\s+co\s*$/gi) AS Product_Name, // You can use multiple commands sequentially
URLDECODE item["img.product-image"].src AS Image,
NUMBER item[7] AS Main_Price,
NUMBER(item[":last-child"]) * Main_Price AS Discount, // You can switch between multiple types of calling commands to solve ambiguities...
Main_Price - Discount AS Price, // You are also able to use the previously named parameters
(IF item["td.numbers"] IS 0, "absent", ELSE item["td.numbers"]) AS Numbers;
/*
* To make your code more human-readable, you can use the following statements too:
BE // Instead of =
IS // Instead of ==
IS NOT // Instead of !=
EQUALS // Instead of ===
NOT EQUALS // Instead of !==
AND // Instead of &&
OR // Instead of ||
*/
CLICK ON "button#next-page";
/*
* There are multiple predefined commands to interact with your browser
CLICK // To click on one or all selected elements
HOVER // To make a mouse hover on one or all selected elements
SCROLL // To scroll on a selected element or specified location
*/
END;
ELSE LOG WARNING, `Could not load the page for the ${row[5]} merchandise!`;
CATCH DO // A simple catch block `catch { }` without needing to handle the exception variable
LET allow BE trying++ > retries;
LOG (IF allow, WARNING, ELSE ERROR), `Could not fetch data completely for the ${row[5]} merchandise!`;
IF allow, REDO checkItem;
END;
END;
IF --days > 0,
WAIT (24 * 60 * 60 * 10000)
AND // You can concatenate two procedures or commands using AND/OR commands for more clarity
RETRY dailyChack CATCH(problem) LOG ERROR problem; // A catch block `catch(problem) { }` using the named exception variable
ELSE STOP BROWSER; // To close the current BROWSER of this workspace
/*
* You can STOP some variables of the workspace too, using:
STOP browser // To close the inputted browser
STOP application // To close the inputted application
STOP window // To close the inputted window
STOP tab // To close the inputted tab
STOP document // To stop loading of the inputted document
STOP frame // To stop loading of the inputted iframe
*/