1 files changed, 59 insertions, 0 deletions
diff --git a/workspaces/config/lib/type-defs.js b/workspaces/config/lib/type-defs.js
new file mode 100644
index 000000000..20a827c3d
--- /dev/null
+++ b/workspaces/config/lib/type-defs.js
@@ -0,0 +1,59 @@
+const nopt = require('nopt')
+
+const { Umask, validate: validateUmask } = require('./umask.js')
+
+const semver = require('semver')
+const validateSemver = (data, k, val) => {
+  const valid = semver.valid(val)
+  if (!valid) {
+    return false
+  }
+  data[k] = valid
+}
+
+const noptValidatePath = nopt.typeDefs.path.validate
+const validatePath = (data, k, val) => {
+  if (typeof val !== 'string') {
+    return false
+  }
+  return noptValidatePath(data, k, val)
+}
+
+// add descriptions so we can validate more usefully
+module.exports = {
+  ...nopt.typeDefs,
+  semver: {
+    type: semver,
+    validate: validateSemver,
+    description: 'full valid SemVer string',
+  },
+  Umask: {
+    type: Umask,
+    validate: validateUmask,
+    description: 'octal number in range 0o000..0o777 (0..511)',
+  },
+  url: {
+    ...nopt.typeDefs.url,
+    description: 'full url with "http://"',
+  },
+  path: {
+    ...nopt.typeDefs.path,
+    validate: validatePath,
+    description: 'valid filesystem path',
+  },
+  Number: {
+    ...nopt.typeDefs.Number,
+    description: 'numeric value',
+  },
+  Boolean: {
+    ...nopt.typeDefs.Boolean,
+    description: 'boolean value (true or false)',
+  },
+  Date: {
+    ...nopt.typeDefs.Date,
+    description: 'valid Date string',
+  },
+}
+
+// TODO: make nopt less of a global beast so this kludge isn't necessary
+nopt.typeDefs = module.exports