Initial commit

node_modules/react-bootstrap/es/utils/ValidComponentChildren.js

@@ -0,0 +1,174 @@
+// TODO: This module should be ElementChildren, and should use named exports.
+import React from 'react';
+/**
+ * Iterates through children that are typically specified as `props.children`,
+ * but only maps over children that are "valid components".
+ *
+ * The mapFunction provided index will be normalised to the components mapped,
+ * so an invalid component would not increase the index.
+ *
+ * @param {?*} children Children tree container.
+ * @param {function(*, int)} func.
+ * @param {*} context Context for func.
+ * @return {object} Object containing the ordered map of results.
+ */
+
+function map(children, func, context) {
+  var index = 0;
+  return React.Children.map(children, function (child) {
+    if (!React.isValidElement(child)) {
+      return child;
+    }
+
+    return func.call(context, child, index++);
+  });
+}
+/**
+ * Iterates through children that are "valid components".
+ *
+ * The provided forEachFunc(child, index) will be called for each
+ * leaf child with the index reflecting the position relative to "valid components".
+ *
+ * @param {?*} children Children tree container.
+ * @param {function(*, int)} func.
+ * @param {*} context Context for context.
+ */
+
+
+function forEach(children, func, context) {
+  var index = 0;
+  React.Children.forEach(children, function (child) {
+    if (!React.isValidElement(child)) {
+      return;
+    }
+
+    func.call(context, child, index++);
+  });
+}
+/**
+ * Count the number of "valid components" in the Children container.
+ *
+ * @param {?*} children Children tree container.
+ * @returns {number}
+ */
+
+
+function count(children) {
+  var result = 0;
+  React.Children.forEach(children, function (child) {
+    if (!React.isValidElement(child)) {
+      return;
+    }
+
+    ++result;
+  });
+  return result;
+}
+/**
+ * Finds children that are typically specified as `props.children`,
+ * but only iterates over children that are "valid components".
+ *
+ * The provided forEachFunc(child, index) will be called for each
+ * leaf child with the index reflecting the position relative to "valid components".
+ *
+ * @param {?*} children Children tree container.
+ * @param {function(*, int)} func.
+ * @param {*} context Context for func.
+ * @returns {array} of children that meet the func return statement
+ */
+
+
+function filter(children, func, context) {
+  var index = 0;
+  var result = [];
+  React.Children.forEach(children, function (child) {
+    if (!React.isValidElement(child)) {
+      return;
+    }
+
+    if (func.call(context, child, index++)) {
+      result.push(child);
+    }
+  });
+  return result;
+}
+
+function find(children, func, context) {
+  var index = 0;
+  var result;
+  React.Children.forEach(children, function (child) {
+    if (result) {
+      return;
+    }
+
+    if (!React.isValidElement(child)) {
+      return;
+    }
+
+    if (func.call(context, child, index++)) {
+      result = child;
+    }
+  });
+  return result;
+}
+
+function every(children, func, context) {
+  var index = 0;
+  var result = true;
+  React.Children.forEach(children, function (child) {
+    if (!result) {
+      return;
+    }
+
+    if (!React.isValidElement(child)) {
+      return;
+    }
+
+    if (!func.call(context, child, index++)) {
+      result = false;
+    }
+  });
+  return result;
+}
+
+function some(children, func, context) {
+  var index = 0;
+  var result = false;
+  React.Children.forEach(children, function (child) {
+    if (result) {
+      return;
+    }
+
+    if (!React.isValidElement(child)) {
+      return;
+    }
+
+    if (func.call(context, child, index++)) {
+      result = true;
+    }
+  });
+  return result;
+}
+
+function toArray(children) {
+  var result = [];
+  React.Children.forEach(children, function (child) {
+    if (!React.isValidElement(child)) {
+      return;
+    }
+
+    result.push(child);
+  });
+  return result;
+}
+
+export default {
+  map: map,
+  forEach: forEach,
+  count: count,
+  find: find,
+  filter: filter,
+  every: every,
+  some: some,
+  toArray: toArray
+};