![]() Next, if you take a look in the contracts/ folder, you'll see Lock. npx hardhat is your starting point to find out what tasks are available to run. The list of available tasks includes the built-in ones and also those that came with any installed plugins. To get help for a specific task run: npx hardhat help Typechain Generate Typechain typings for compiled contracts Run Runs a user-defined script after compiling the project Node Starts a JSON-RPC server on top of Hardhat Network verbose Enables Hardhat verbose loggingĬlean Clears the cache and deletes all artifactsĬompile Compiles the entire project, building all artifactsĬoverage Generates a code coverage report for testsįlatten Flattens and prints contracts and their dependencies max-memory The maximum amount of memory that Hardhat can use. help Shows this message, or a task's help if its name is provided This guide will take you through the installation of our recommended setup, but as most of Hardhat's functionality comes from plugins, you are free to customize it or choose a completely different path. You can get to this window by either clicking on the coverage indicator on the status bar, or by executing the SFDX: Show Code Coverage from the command palette. In order to have code coverage in your extension, we need to reimplement this test runner a bit, injecting additional instructions there. Users and plugins can override existing tasks, making those workflows customizable and extendable. Reimplementing test runner For launching tests of VSCode extension, VSCode itself provides test runner that does a lot of boilerplate and launches testing framework (Mocha by default). Tip You can also run code coverage from the Test Explorer tool window. Analyze code coverage On the Test menu, select Analyze Code Coverage for All Tests. Tasks can call other tasks, allowing complex workflows to be defined. The code coverage feature is available only in Visual Studio Enterprise edition. For example, npx hardhat compile runs the built-in compile task. ![]() Every time you're running Hardhat from the command-line, you're running a task. Hardhat Runner is designed around the concepts of tasks and plugins. It's a flexible and extensible task runner that helps you manage and automate the recurring tasks inherent to developing smart contracts and dApps. Hardhat Runner is the main component you interact with when using Hardhat. Spend fewer hours writing questionable test cases and more time developing useful features for your users. It consists of different components for editing, compiling, debugging and deploying your smart contracts and dApps, all of which work together to create a complete development environment. Hardhat is a development environment for Ethereum software.
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