feat: RDFa

.changeset/nice-bats-lay.md

@@ -0,0 +1,5 @@
+---
+"@zazuko/rdf-converter": patch
+---
+
+Added RDFa parser

package.json

@@ -21,11 +21,13 @@
     "@rdfjs-elements/rdf-snippet": "^0.4.3",
     "@rdfjs/term-set": "^2.0.1",
     "@vaadin/vaadin": "^22",
+    "@zazuko/formats-lazy": "^1.0.1",
     "@zazuko/rdf-vocabularies": ">=2021",
     "clipboard-copy": "^4.0.1",
     "http-media-type": "^1.3.2",
     "lit": "^2",
     "lit-vaadin-helpers": "^0.3.1",
+    "rdfa-streaming-parser": "^2.0.1",
     "tbbt-ld": "^1.1.0"
   },
   "devDependencies": {

src/index.js

@@ -1,3 +1,4 @@
+import "./lib/parsers/rdfa.js";
 import { RdfConverter } from "./lib/RdfConverter.js";
 
 customElements.define("rdf-converter", RdfConverter);

src/lib/RdfConverter.js

@@ -1,4 +1,10 @@
 import { css, html, LitElement, render } from "lit";
+import TermSet from "@rdfjs/term-set";
+import copy from "clipboard-copy";
+import { InputController } from "./InputController.js";
+import { OutputController } from "./OutputController.js";
+import { extractPrefix } from "./prefixes.js";
+import Package from "../../package.json";
 import "@vaadin/vaadin-app-layout/vaadin-app-layout.js";
 import "@vaadin/vaadin-split-layout/vaadin-split-layout.js";
 import "@rdfjs-elements/rdf-editor/rdf-editor.js";
@@ -7,12 +13,6 @@ import "@vaadin/vaadin-app-layout/vaadin-drawer-toggle.js";
 import "@vaadin/vaadin-form-layout/vaadin-form-layout.js";
 import "@vaadin/vaadin-lumo-styles/typography";
 import "@vaadin/vaadin-button/vaadin-button.js";
-import TermSet from "@rdfjs/term-set";
-import copy from "clipboard-copy";
-import { InputController } from "./InputController.js";
-import { OutputController } from "./OutputController.js";
-import { extractPrefix } from "./prefixes.js";
-import Package from "../../package.json";
 
 export class RdfConverter extends LitElement {
   static get styles() {

src/lib/parsers/rdfa.js

@@ -0,0 +1,10 @@
+import { lazySink } from "@zazuko/formats-lazy/LazySink.js";
+import formats from "@rdfjs-elements/formats-pretty";
+
+formats.parsers.set(
+  "text/html",
+  new (lazySink(async () => {
+    const { RdfaParser } = await import("rdfa-streaming-parser");
+    return RdfaParser;
+  }))({ contentType: "text/html" })
+);