init component

node_modules/fp-ts/es6/struct.js

@@ -0,0 +1,61 @@
+/**
+ * @since 2.10.0
+ */
+import * as _ from './internal';
+// -------------------------------------------------------------------------------------
+// instances
+// -------------------------------------------------------------------------------------
+/**
+ * Return a semigroup which works like `Object.assign`.
+ *
+ * @example
+ * import { getAssignSemigroup } from 'fp-ts/struct'
+ *
+ * interface Person {
+ *   readonly name: string
+ *   readonly age: number
+ * }
+ *
+ * const S = getAssignSemigroup<Person>()
+ * assert.deepStrictEqual(S.concat({ name: 'name', age: 23 }, { name: 'name', age: 24 }), { name: 'name', age: 24 })
+ *
+ * @category instances
+ * @since 2.10.0
+ */
+export var getAssignSemigroup = function () { return ({
+    concat: function (first, second) { return Object.assign({}, first, second); }
+}); };
+// -------------------------------------------------------------------------------------
+// utils
+// -------------------------------------------------------------------------------------
+/**
+ * Creates a new object by recursively evolving a shallow copy of `a`, according to the `transformation` functions.
+ *
+ * @example
+ * import { pipe } from 'fp-ts/function'
+ * import { evolve } from 'fp-ts/struct'
+ *
+ * assert.deepStrictEqual(
+ *   pipe(
+ *     { a: 'a', b: 1 },
+ *     evolve({
+ *       a: (a) => a.length,
+ *       b: (b) => b * 2
+ *     })
+ *   ),
+ *   { a: 1, b: 2 }
+ * )
+ *
+ * @since 2.11.0
+ */
+export var evolve = function (transformations) {
+    return function (a) {
+        var out = {};
+        for (var k in a) {
+            if (_.has.call(a, k)) {
+                out[k] = transformations[k](a[k]);
+            }
+        }
+        return out;
+    };
+};