WIP

client/composables/lib/vForm/Errors.js

@@ -0,0 +1,75 @@
+
+function arrayWrap(value) {
+  return Array.isArray(value) ? value : [value];
+}
+
+export default class Errors {
+  constructor() {
+    this.errors = {};
+  }
+
+  set(field, messages = undefined) {
+    if (typeof field === 'object') {
+      this.errors = field;
+    } else {
+      this.set({ ...this.errors, [field]: arrayWrap(messages) });
+    }
+  }
+
+  all() {
+    return this.errors;
+  }
+
+  has(field) {
+    return Object.prototype.hasOwnProperty.call(this.errors, field);
+  }
+
+  hasAny(...fields) {
+    return fields.some(field => this.has(field));
+  }
+
+  any() {
+    return Object.keys(this.errors).length > 0;
+  }
+
+  get(field) {
+    if (this.has(field)) {
+      return this.getAll(field)[0];
+    }
+  }
+
+  getAll(field) {
+    return arrayWrap(this.errors[field] || []);
+  }
+
+  only(...fields) {
+    const messages = [];
+
+    fields.forEach((field) => {
+      const message = this.get(field);
+      if (message) {
+        messages.push(message);
+      }
+    });
+
+    return messages;
+  }
+
+  flatten() {
+    return Object.values(this.errors).reduce((a, b) => a.concat(b), []);
+  }
+
+  clear(field = undefined) {
+    const errors = {};
+
+    if (field) {
+      Object.keys(this.errors).forEach((key) => {
+        if (key !== field) {
+          errors[key] = this.errors[key];
+        }
+      });
+    }
+
+    this.set(errors);
+  }
+}