Init commit

src/utils/errors.js

@@ -0,0 +1,24 @@
+export default class Errors {
+  constructor(errors) {
+    this.errors = errors;
+  }
+
+  set(errors) {
+    this.errors = errors;
+  }
+
+  get(field) {
+    if (this.has(field)) {
+      return this.errors[field];
+    }
+    return null;
+  }
+
+  has(field) {
+    return this.errors && this.errors.hasOwnProperty(field);
+  }
+
+  clear() {
+    this.errors = {};
+  }
+}

src/utils/helpers.js

@@ -0,0 +1,31 @@
+/* eslint-disable */
+export function uuidv4() {
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+    var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
+    return v.toString(16);
+  });
+}
+
+export function range(end, start = 0, step = 1) {
+  const arr = [];
+  for (let i = start; i < end; i += step) {
+    arr.push(i);
+  }
+  return arr;
+}
+
+/**
+ * Returns a subset of the object based on a map of keys
+ *
+ * @param obj
+ * @param map
+ */
+export function pick(obj, map) {
+  const pickedKeys = Object.keys(obj)
+    .filter(field => map.hasOwnProperty(field));
+  const objSubset = {};
+  pickedKeys.forEach((key) => {
+    objSubset[map[key]] = obj[key];
+  });
+  return objSubset;
+}