![]() ![]() Replacement expressions other than arrays and objects are substituted inline, which means that they can participate in constant folding. Replacement expressions must either be a JSON object (null, boolean, number, string, array, or object) or a single identifier. Here is what a simple transform looks like:ĬLI JS Go echo 'let x: number = 1' | esbuild -loader=ts let x = 1 require( 'esbuild').transformSync( 'let x: number = 1', , This makes it ideal for use in environments without a file system (such as a browser) or as part of another tool chain. The transform API call operates on a single string without access to a file system. The form -foo is used for enabling boolean flags such as -minify, the form -foo=bar is used for flags that have a single value and are only specified once such as -platform=, and the form -foo:bar is used for flags that have multiple values and can be re-specified multiple times such as -external. If you are using the command-line API, it may be helpful to know that the flags come in one of three forms: -foo, -foo=bar, or -foo:bar. If you are using Go be sure to check out the automatically generated Go documentation. You may also find the TypeScript type definitions for esbuild helpful as a reference. ![]() If you are using JavaScript be sure to check out the JS-specific details section below. It's important to understand which one you should be using because they work differently. There are two main API calls in esbuild's API: transform and build. The concepts and parameters are largely identical between the three languages so they will be presented together here instead of having separate documentation for each language. Easy, no? Just one line of code and you have a Minifier/Formatter for JSON data.The API can be accessed in one of three ways: on the command line, in JavaScript, and in Go. If you want to reverse the process, just click on the Minify button. ![]() If you run the program and paste some JSON into the first box and click Format, the formatted JSON is shown in the second box. JsonConvert.DeserializeObject(MiniBox.Text), Formatting.Indented) Īwait new MessageDialog("Error parsing JSON: ").ShowAsync() If (!string.IsNullOrWhiteSpace(MiniBox.Text))įormBox.Text = JsonConvert.SerializeObject( Select the Click event handler and press F12 to create the event handler in code and type this code: private async void FormatJsonClick(object sender, RoutedEventArgs e) Then, in MainPage.xaml, add the handler for the Click handler for the Format button: >" Margin="5" Click="FormatJsonClick"/> In the Solution Explorer, right click in References and select “Manage NuGet packages” and add the library Newtonsoft.Json. To process the JSON data, we use the Newtonsoft Json.NET library ( ). In MainPage.xaml, we add the two textboxes, one for the minified JSON and the other for the processed JSON: The first step is to create a UWP program in Visual Studio: So I decided to create a Windows UWP program to process the JSON data. You can go to online sites (just do a search for “json formatter” in your preferred search engine) and format the JSON data, to get the formatted output.īut, as a developer, I wanted to create a program that does that. On the other side, I have formatted JSON data and want to save space, minimizing it. ![]() Many times, the data is minimized and it’s very difficult to analyze what’s coming. I have the same problem and, sometimes, I also have to debug the received data to see what’s coming from the server. Nowadays it’s very common to receive JSON data from many sources and to process it in our programs. ![]()
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