add .text

build/index.js

@@ -32,6 +32,18 @@ var xmlQuery = function (ast) {
  return node[name];
  }
  };
+ var text = function () {
+ var res = '';
+ each(function (node) {
+ if (node.type === 'text') {
+ res += node.value;
+ }
+ else {
+ res += xmlQuery(node).children().text();
+ }
+ });
+ return res;
+ };
  return {
  attr: attr,
  children: children,
@@ -45,6 +57,7 @@ var xmlQuery = function (ast) {
  map: map,
  prop: prop,
  size: size,
+ text: text,
  };
 };
 module.exports = xmlQuery;

index.ts

@@ -69,17 +69,17 @@ const xmlQuery = (ast: XmlNode|XmlNode[]) => {
  };
 
  /**
- * Returns a new XmlQuery for the selected element by index
+ * Returns a new XmlQuery object for the selected element by index
  */
  const eq = (index: number) => xmlQuery(nodes[index]);
 
  /**
- * Returns a new XmlQuery for the first element
+ * Returns a new XmlQuery object for the first element
  */
  const first = () => eq(0);
 
  /**
- * Returns a new XmlQuery for the last element
+ * Returns a new XmlQuery object for the last element
  */
  const last = () => eq(length - 1);
 
@@ -101,13 +101,28 @@ const xmlQuery = (ast: XmlNode|XmlNode[]) => {
  /**
  * Get the value of a property for the first element in the set
  */
- const prop = (name?: string) => {
+ const prop = (name: string) => {
  const node = first();
  if (node) {
  return node[name];
  }
  };
 
+ /**
+ * Get the combined text contents of each element, including their descendants
+ */
+ const text = () => {
+ let res = '';
+ each(node => {
+ if (node.type === 'text') {
+ res += node.value;
+ } else {
+ res += xmlQuery(node).children().text();
+ }
+ });
+ return res;
+ };
+
  return {
  attr,
  children,
@@ -121,6 +136,7 @@ const xmlQuery = (ast: XmlNode|XmlNode[]) => {
  map,
  prop,
  size,
+ text,
  };
 };
 

test/test.js

@@ -164,3 +164,14 @@ test('children', t => {
  });
  reader.parse(xmlMessage1);
 });
+
+test('text', t => {
+ const reader = xmlReader.create();
+ reader.on('done', ast => {
+ const expected = 'AliceBobHelloThis is a demo!';
+ const result = xQuery(ast).text();
+ t.equal(result, expected, 'text is correct');
+ t.end();
+ });
+ reader.parse(xmlMessage1);
+});