Add fromObject static method

Author: jsumners

index.js

@@ -28,7 +28,7 @@ class Attribute {
     if (options.type && typeof (options.type) !== 'string') {
       throw TypeError('options.type must be a string')
     }
-    this.#type = options.type || ''
+    this.type = options.type || ''
 
     const values = options.values || options.vals || []
     if (options.vals) {
@@ -261,6 +261,35 @@ class Attribute {
     return result
   }
 
+  /**
+   * Given an object of attribute types mapping to attribute values, construct
+   * a set of Attributes.
+   *
+   * @param {object} obj Each key is an attribute type, and each value is an
+   * attribute value or set of values.
+   *
+   * @returns {Attribute[]}
+   *
+   * @throws If an attribute cannot be constructed correctly.
+   */
+  static fromObject (obj) {
+    const attributes = []
+    for (const [key, value] of Object.entries(obj)) {
+      if (Array.isArray(value) === true) {
+        attributes.push(new Attribute({
+          type: key,
+          values: value
+        }))
+      } else {
+        attributes.push(new Attribute({
+          type: key,
+          values: [value]
+        }))
+      }
+    }
+    return attributes
+  }
+
   /**
    * Determine if an object represents an {@link Attribute}.
    *

index.test.js

@@ -301,6 +301,21 @@ tap.test('#fromBer', t => {
   t.end()
 })
 
+tap.test('#fromObject', t => {
+  t.test('handles basic object', async t => {
+    const attrs = Attribute.fromObject({
+      foo: ['foo'],
+      bar: 'bar',
+      'baz;binary': Buffer.from([0x00])
+    })
+    for (const attr of attrs) {
+      t.equal(Object.prototype.toString.call(attr), '[object LdapAttribute]')
+    }
+  })
+
+  t.end()
+})
+
 tap.test('#isAttribute', t => {
   t.test('rejects non-object', async t => {
     t.equal(Attribute.isAttribute(42), false)

package.json

@@ -7,7 +7,7 @@
   "name": "@ldapjs/attribute",
   "homepage": "https://github.com/ldapjs/attribute",
   "description": "API for handling LDAP entry attributes",
-  "version": "1.0.0-rc.4",
+  "version": "1.0.0-rc.5",
   "license": "MIT",
   "repository": {
     "type": "git",