feat: add the url widget

widgets/url/assets/decap-cms/widgets/url.js

@@ -0,0 +1,48 @@
+export const name = 'url'
+
+export const control = createClass({
+  handleChange: function (e) {
+    this.props.onChange(e.target.value);
+  },
+
+  render: function () {
+    var value = this.props.value;
+    return h('input', {
+      id: this.props.forID,
+      className: this.props.classNameWrapper,
+      type: 'url',
+      value: value ?? '',
+      onChange: this.handleChange,
+    });
+  },
+
+  isValid: function () {
+    try {
+      const url = new URL(this.props.value);
+
+      const protocols = this.props.field.get('protocols');
+      if (protocols && !protocols.includes(url.protocol)) {
+        return {
+          error: {
+            message: "invalid protocol.",
+          }
+        };
+      }
+
+      return true;
+    }
+    catch (e) {
+      return {
+        error: {
+          message: "invalid URL.",
+        }
+      };
+    }
+  },
+});
+
+export const schema = {
+  properties: {
+    protocols: { type: 'array' },
+  },
+}

widgets/url/go.mod

@@ -0,0 +1,5 @@
+module github.com/decap-cms/widgets/url
+
+go 1.21.3
+
+require github.com/hugomods/decap-cms v0.4.0 // indirect

widgets/url/go.sum

@@ -0,0 +1,2 @@
+github.com/hugomods/decap-cms v0.4.0 h1:DGUWeog+IlQaNXsd5Vm3esoqzy/K66lpQwEVP3lT28c=
+github.com/hugomods/decap-cms v0.4.0/go.mod h1:P9gUtk59PZYBCNVIqiovRPqI13WiKkutMtJl2YQLkMA=

widgets/url/hugo.toml

@@ -0,0 +1,2 @@
+[[module.imports]]
+path = "github.com/hugomods/decap-cms"