[docs] Replace example/ -> examples/

Author: rumkin

examples/api.js

@@ -0,0 +1,29 @@
+import {StrictType as T} from 'typed-props'
+
+let userType
+let postType
+
+userType = T.exact({
+  id: T.number,
+  username: T.string,
+  email: T.string,
+  balance: T.number,
+  // Posts has author which type is User
+  posts: () => postType,
+})
+
+postType = T.exact({
+  title: T.string,
+  starts: T.number,
+  // Author has type User which has posts
+  author: () => userType,
+})
+
+function typeIs(type) {
+  return ({$type}) => $type === type
+}
+
+export default T.select(
+  [typeIs('http://api.rumk.in/v1#user'), userType],
+  [typeIs('http://api.rumk.in/v1#post'), postType],
+)

examples/uniq-items.js

@@ -0,0 +1,66 @@
+import {Type, UniqRule} from 'typed-props'
+
+class UniqItems extends UniqRule {
+  static ruleName = 'uniqueItems'
+
+  static format(key = 'id') {
+    return {key}
+  }
+
+  static check(items, {key}) {
+    const keys = new Set()
+    const issues = []
+    
+    items.forEach((item, i) => {
+      const id = item[key]
+      
+      if (! keys.has(id)) {
+        const issue = {
+          rule: this.ruleName,
+          path: [i],
+          details: {
+            reason: 'duplicate',
+            keyProp: key,
+            key: id,
+          },
+        }
+
+        issues.push(issue)
+      }
+
+      keys.set(id)
+    })
+    
+    return issues
+  }
+}
+
+class MyType extends Type {
+  static uniqueItems(...args) {
+    const checks = UniqItems.create([], UniqItems.format(...args))
+    
+    return new this(checks)
+  }
+
+  uniqueItems(...args) {
+    const checks = UniqItems.create(this.getChecks(), UniqItems.format(...args))
+    
+    return new this.constructor(checks)
+  }
+}
+
+const type = MyType.object
+.instanceOf(Array)
+.uniqueItems('id')
+
+const value = [
+  {id: 1},
+  {id: 2},
+  {id: 2}, // Duplicate
+]
+
+const issues = Type.check(value, type)
+// issues array contain single issue for last element:
+// {path: [2], rule: 'uniqueItems', details: {reason: 'duplicate', keyProp: 'id', key: 2}}
+
+console.log(issues)

package.json

@@ -27,7 +27,7 @@
     "typescript": "^3.3.4000"
   },
   "directories": {
-    "example": "example",
+    "example": "examples",
     "test": "test"
   },
   "dependencies": {},