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API

There are two fundamental operations supported by tools.deps.alpha: resolve-deps and make-classpath.

resolve-deps

Usage: (resolve-deps deps-map resolve-args)

Args:

  • deps-map - a dependency map (as typically found in deps.edn). A map with the following keys:
    • :deps - a map of library to coordinate (which may be maven, git, local, etc)
    • :paths - a vector of string paths which are project-specific classpath roots
    • :aliases - a map from keyword (the alias) to a resolve-args map
    • <providers> - provider-specific attributes with qualified key names
  • resolve-args - a map with the following optional keys:
    • :extra-deps - a map of library to coordinate to add to initial dependency list
    • :default-deps - a map of library to coordinate to use if no coordinate is specified anywhere in expansion.
    • :override-deps - a map of library to coordinate to use instead of coordinate found by expansion.

Returns:

  • a lib-map - map of library to a resolved dep. Resolved deps have the coordinate, the dependents needing the dep (informational), and a path

make-classpath

Usage: (make-classpath lib-map paths classpath-args)

Args:

  • lib-map - a library map, as returned by resolve-deps
  • paths - a vector of string paths
  • classpath-args - a map with the following optional keys:
    • :classpath-overrides - a map from library to a path to use for that library
    • :extra-paths - a vector of extra string paths within this project

Returns:

  • a classpath string

Example usage

(require '[clojure.tools.deps.alpha :as deps])

(->
  '{:deps {org.clojure/clojure {:mvn/version "1.9.0"}
           org.clojure/core.async {:mvn/version "0.4.474"}}
    :mvn/repos {"central" {:url "https://repo1.maven.org/maven2/"}
                "clojars" {:url "https://repo.clojars.org/"}}}
  (deps/resolve-deps nil)
  (deps/make-classpath nil nil))