[xmlserializer] Add types

types/xmlserializer/index.d.ts

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+// Type definitions for xmlserializer 0.6
+// Project: https://github.com/cburgmer/xmlserializer#readme
+// Definitions by: Eoin O'Brien <https://github.com/eoin-obrien>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
+
+/// <reference types="node" />
+
+import * as parse5 from 'parse5';
+
+export as namespace xmlserializer;
+
+/**
+ * Serializes a DOM subtree or DOM document into XML/XHTML.
+ *
+ * It understands documents generated by `parse5` and regular browser DOMs (and
+ * thus can act as a drop-in replacement for `XMLSerializer` which for some
+ * browsers only serializes true XML documents).
+ *
+ * Currently some cases are treated differently to the `XMLSerializer`
+ * implementation of the browsers:
+ *
+ * - Invalid characters (ASCII control characters) that are invalid in XML 1.0
+ * are removed on serialization. The browsers silently include those
+ * characters and on reparsing those documents throw a parser exception.
+ * - Dashes in comments are escaped to provide valid comments in XHTML. Firefox
+ * does not do this.
+ * - The xmlns attribute has higher precedence than the type of the DOM object
+ * passed to the serializer.
+ * - Small differences in style: no space in self-closing tag, empty value for
+ * boolean attributes, quoting of single apostrophes in attribute values.
+ *
+ * This behaviour might become optional in the future.
+ *
+ * @example
+ * import * as xmlserializer from 'xmlserializer';
+ * import * as parse5 from 'parse5';
+ *
+ * const html2xhtml = (htmlString: string) => {
+ *    const dom = parse5.parse(htmlString);
+ *    return xmlserializer.serializeToString(dom);
+ * };
+ *
+ * console.log(html2xhtml('<br>'));
+ *
+ * @param node the DOM element to be serialized to XML/XHTML
+ */
+export function serializeToString(node: parse5.Element): string;

types/xmlserializer/package.json

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+{
+    "private": true,
+    "dependencies": {
+        "parse5": "^5.1.0"
+    }
+}

types/xmlserializer/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "xmlserializer-tests.ts"
+    ]
+}

types/xmlserializer/tslint.json

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+{ "extends": "dtslint/dt.json" }

types/xmlserializer/xmlserializer-tests.ts

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+import * as xmlserializer from 'xmlserializer';
+import * as parse5 from 'parse5';
+
+const htmlString = '<br>';
+const dom = parse5.parse(htmlString);
+
+// $ExpectType string
+xmlserializer.serializeToString(dom);