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Your application / package is configured with the mint.json file (which is a JSON file).

An example mint.json file of looks like this:

  "name": "my-app",
  "source-directories": [
  "dependencies": {
    "mint-codemirror": {
      "repository": "",
      "constraint": "5.0.0 <= v < 6.0.0"

All the fields are validated so if something is not right you will get a nice error message!

Here are all the possible fields (dot notation denotes a nested object):

Path Purpose
name The name of your application or package.
source-directories The directories which contains source files of your application.
test-directories The directories which contains tests for your application.
dependencies Contains the dependencies.
application Contains application specific information (can be omitted in packages)
application.head A path to an HTML file which can contain links to external resources.
application.title The initial title of the application.
application.meta An object which contains informations which is converted to META tags.
application.icon A path to an image file which is converted to different icons like [favicons](
application.orientation [PWA] The orientation of the application, either portrait or landscape [PWA] The name of the application.
application.theme-color [PWA] The theme color of the application.
application.display [PWA] The display property of the application, one of: fullscreen standalone minimal-ui browser
formatter.indent-size Specifies how many spaces is used to indent code blocks.
external.javascripts Specify path to the JavaScript files you want to include.
external.stylesheets Specify path to the CSS files you want to include.


The dependencies array contains all the packages that your application needs.

Each is an object that has a:

  • repository field pointing to Git repository which uniquely identifies it
  • constraint field that is the version information in one of two formats:
    • 0.0.0 <= v < 1.0.0 where the v is the resolvable version
    • master:1.0.0 where the first part is the Git reference (of a branch, commit hash or tag) followed by a colon and the version the package should resolve as this is necessary because the version is only specified by tags.