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node_modules/riot/esm/core/create-pure-component.js

@@ -0,0 +1,52 @@
+/* Riot WIP, @license MIT */
+import { panic, defineDefaults, MOUNT_METHOD_KEY, defineProperty, IS_PURE_SYMBOL } from '@riotjs/util';
+import { PURE_COMPONENT_API } from './pure-component-api.js';
+import { bindDOMNodeToComponentInstance } from './bind-dom-node-to-component-instance.js';
+import { createCoreAPIMethods } from './create-core-api-methods.js';
+
+/**
+ * Create a pure component
+ * @param   {Function} pureFactoryFunction - pure component factory function
+ * @param   {Array} options.slots - component slots
+ * @param   {Array} options.attributes - component attributes
+ * @param   {Array} options.template - template factory function
+ * @param   {Array} options.template - template factory function
+ * @param   {any} options.props - initial component properties
+ * @returns {Object} pure component object
+ */
+
+function createPureComponent(pureFactoryFunction, _ref) {
+  let {
+    slots,
+    attributes,
+    props,
+    css,
+    template
+  } = _ref;
+  if (template) panic('Pure components can not have html');
+  if (css) panic('Pure components do not have css');
+  const component = defineDefaults(pureFactoryFunction({
+    slots,
+    attributes,
+    props
+  }), PURE_COMPONENT_API);
+  return createCoreAPIMethods(method => function () {
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    // intercept the mount calls to bind the DOM node to the pure object created
+    // see also https://github.com/riot/riot/issues/2806
+    if (method === MOUNT_METHOD_KEY) {
+      const [element] = args; // mark this node as pure element
+
+      defineProperty(element, IS_PURE_SYMBOL, true);
+      bindDOMNodeToComponentInstance(element, component);
+    }
+
+    component[method](...args);
+    return component;
+  });
+}
+
+export { createPureComponent };