fix: populate attributes.outdir with permalink

README.md

@@ -1,6 +1,8 @@
 # eleventy-plugin-asciidoc
 
-Eleventy plugin to add support for [AsciiDoc](https://asciidoc.org/). You don't need to use to shortcodes. You can directly use AsciiDoc files (`.adoc`), just like Markdown (`.md`).
+Eleventy plugin to add support for [AsciiDoc](https://asciidoc.org/).
+You don't need to use to shortcodes.
+You can directly use AsciiDoc files (`.adoc`), just like Markdown (`.md`).
 
 The plugin uses [Asciidoctor.js](https://docs.asciidoctor.org/asciidoctor.js) under the hood.
 
@@ -35,7 +37,8 @@ module.exports = function (eleventyConfig) {
 
 ### Customize with Options
 
-You can pass options to `convert()` of Asciidoctor.js as second argument in `addPlugin()`. These are the [available options](https://docs.asciidoctor.org/asciidoctor.js/latest/processor/convert-options/).
+You can pass options to `convert()` of Asciidoctor.js as second argument in `addPlugin()`.
+These are the [available options](https://docs.asciidoctor.org/asciidoctor.js/latest/processor/convert-options/).
 
 ```js
 const eleventyAsciidoc = require("eleventy-plugin-asciidoc");
@@ -52,7 +55,13 @@ module.exports = function (eleventyConfig) {
 
 #### `base_dir`
 
-The `base_dir` of [convert options](https://docs.asciidoctor.org/asciidoctor.js/latest/processor/convert-options/) is relative to the document. This can be changed using above [options](#customize-with-options).
+The `base_dir` of [convert options](https://docs.asciidoctor.org/asciidoctor.js/latest/processor/convert-options/) is relative to the document.
+This can be changed using above [options](#customize-with-options).
+
+#### `attributes.outdir`
+
+By default, [`attributes.outdir`](https://docs.asciidoctor.org/asciidoc/latest/attributes/document-attributes-ref/#intrinsic-attributes) will output directory (`permalink`) of the document.
+This can be changed using above [options](#customize-with-options).
 
 #### `extension_registry` (⚠️ deprecated)
 
@@ -87,7 +96,8 @@ Refer to [Asciidoctor.js documentation](https://docs.asciidoctor.org/asciidoctor
 
 The plugin does not include any CSS styles. It is up to you to style the content.
 
-The quick way to style the content is to use the CSS file from Asciidoctor.js. The CSS file is [available on cdnjs](https://cdnjs.com/libraries/asciidoctor.js).
+The quickest way to style the content is to use the CSS file from Asciidoctor.js.
+The CSS file is [available on cdnjs](https://cdnjs.com/libraries/asciidoctor.js).
 
 ## Enhancements
 

lib/eleventy-asciidoc.js

@@ -7,6 +7,7 @@ const fs = require("fs");
 const matter = require("gray-matter");
 const path = require("path");
 const nunjucks = require("nunjucks");
+const { parseDocumentAttributes } = require("./utils.js");
 
 // @ts-ignore
 const processor = asciidoctor();
@@ -71,11 +72,23 @@ function eleventyAsciidoctor(convertOptions = {}) {
     const { content } = readFileSync(inputPath);
 
     let { base_dir, configure_extension_registry } = options;
+    const attributes = parseDocumentAttributes(options.attributes ?? {});
+    let { outdir } = attributes;
+
     base_dir = base_dir === undefined ? path.dirname(inputPath) : base_dir;
 
+    if (outdir === undefined) {
+      const { page } = data ?? {};
+      const { outputPath } = page ?? {};
+      if (outputPath !== undefined) {
+        outdir = path.dirname(outputPath);
+      }
+    }
+
     if (content) {
       debug(`Converting:\n ${content}`);
       debug(`base_dir: ${base_dir}`);
+      debug(`attributes:\n ${JSON.stringify(attributes)}`);
 
       let registry;
       if (typeof configure_extension_registry === "function") {
@@ -86,6 +99,10 @@ function eleventyAsciidoctor(convertOptions = {}) {
 
       return processor.convert(content, {
         ...options,
+        attributes: {
+          ...attributes,
+          outdir,
+        },
         base_dir,
         extension_registry: registry,
       });

lib/utils.js

@@ -0,0 +1,25 @@
+// @ts-check
+
+/** @typedef {import('@asciidoctor/core').Attributes} Attributes */
+
+/**
+ * Parses AsciiDoc Document attributes into object
+ *
+ * @param      {Attributes | string[] | string}  attrs    AsciiDoc Document Attributes
+ * @return     {Attributes}  Attributes as Object
+ */
+function parseDocumentAttributes(attrs) {
+  if (Array.isArray(attrs)) {
+    return Object.fromEntries(attrs.map((a) => a.split("=")));
+  }
+
+  if (typeof attrs === "string") {
+    return Object.fromEntries([attrs.split("=")]);
+  }
+
+  return attrs;
+}
+
+module.exports = {
+  parseDocumentAttributes,
+};

tests/utils.spec.js

@@ -0,0 +1,17 @@
+const test = require("ava").default;
+const { parseDocumentAttributes } = require("../lib/utils.js");
+
+test("parseDocumentAttributes: should return object as it is", async (t) => {
+  t.deepEqual(parseDocumentAttributes({ some: "value" }), { some: "value" });
+});
+
+test("parseDocumentAttributes: should parse string to object", async (t) => {
+  t.deepEqual(parseDocumentAttributes("some=value"), { some: "value" });
+});
+
+test("parseDocumentAttributes: should parse array of strings to object", async (t) => {
+  t.deepEqual(parseDocumentAttributes(["some=value", "foo=bar"]), {
+    some: "value",
+    foo: "bar",
+  });
+});