feat: add license field (#101)

src/deno_json/mod.rs

@@ -565,6 +565,7 @@ pub struct ConfigFileJson {
   pub exclude: Option<Value>,
   pub node_modules_dir: Option<bool>,
   pub vendor: Option<bool>,
+  pub license: Option<Value>,
   pub publish: Option<Value>,
 
   pub name: Option<String>,
@@ -1294,6 +1295,15 @@ impl ConfigFile {
     }
   }
 
+  pub fn to_license(&self) -> Option<String> {
+    self.json.license.as_ref().and_then(|value| match value {
+      Value::String(license) if !license.trim().is_empty() => {
+        Some(license.trim().to_string())
+      }
+      _ => None,
+    })
+  }
+
   /// Return any tasks that are defined in the configuration file as a sequence
   /// of JSON objects providing the name of the task and the arguments of the
   /// task in a detail field.

src/workspace/mod.rs

@@ -78,6 +78,7 @@ pub struct JsrPackageConfig {
   pub name: String,
   pub member_dir: WorkspaceDirectory,
   pub config_file: ConfigFileRc,
+  pub license: Option<String>,
 }
 
 #[derive(Debug, Clone)]
@@ -424,6 +425,7 @@ impl Workspace {
         member_dir: self.resolve_member_dir(&c.specifier),
         name: c.json.name.clone()?,
         config_file: c.clone(),
+        license: c.to_license(),
       })
     })
   }
@@ -1229,6 +1231,7 @@ impl WorkspaceDirectory {
       name: pkg_name.clone(),
       config_file: deno_json.clone(),
       member_dir: self.clone(),
+      license: deno_json.to_license(),
     })
   }