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Overview

In the AIO application, we offer the reader the option to download each example as a full self-contained runnable project packaged as a zip file. These zip files are generated by the utility in this folder.

Example zipper

The exampleZipper.js tool is very similar to the Stackblitz's builder.js. The latter creates an HTML file with all the examples' files and the former creates a zip file instead. They both use the stackblitz.json file to flag an example as something to stackblitz or zip. For example:

{
  "description": "Tour of Heroes: Part 6",
  "files":[
    "!**/*.d.ts",
    "!**/*.js",
    "!**/*.[1,2].*"
  ],
  "tags": ["tutorial", "tour", "heroes", "http"]
}

The zipper will use this information for creating new zips.

Two kinds of examples

There are mainly two kinds of AIO docs examples: The ones based on the Angular CLI and the ones based on SystemJS. The majority of the examples are CLI-based with only some of the ngUpgrade examples using SystemJS.

Some of the CLI-based examples require small tweaks to the default layout/configuration (for example, to add support for Angular elements, i18n, universal, etc.). These example types have separate boilerplate directories with the files that are different from the default cli boilerplate.

There are appropriate package.json files for each type of example in the boilerplate directories. If there is no special package.json file for an example type, the one from the cli boilerplate directory will be used instead.

The exampleZipper.js won't include any System.js related files for CLI-based projects.

The zipper.json

As mentioned, the tool uses the stackblitz.json as a flag and also a configuration file for the zipper. The problem is that not all examples have a stackblitz but they could offer a zip instead.

In those cases, you can create a zipper.json file with the same syntax. It will be ignored by the stackblitz tool.

Executing the zip generation

generateZips.js will create a zip for each stackblitz.json or zipper.json it finds.

Where? At src/generated/zips/.

Then the <live-example> embedded component will look at this folder to get the zip it needs for the example.

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