From a7c8e1f0e171506cce114ebef3ab6a04e351554e Mon Sep 17 00:00:00 2001
From: Titus Wormer <tituswormer@gmail.com>
Date: Mon, 10 Jul 2023 17:12:12 +0200
Subject: [PATCH] Change to expose function

---
 lib/index.js | 36 +++++++++++++++++++-----------------
 readme.md    | 27 ++++++++++++++++-----------
 test.js      | 12 ++++++------
 3 files changed, 41 insertions(+), 34 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index a669033..11e5115 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -33,26 +33,28 @@ import {ok as assert} from 'devlop'
 import {markdownTable} from 'markdown-table'
 import {defaultHandlers} from 'mdast-util-to-markdown'
 
-// To do: next major: expose functions.
-
 /**
- * Extension for `mdast-util-from-markdown` to enable GFM tables.
+ * Create an extension for `mdast-util-from-markdown` to enable GFM tables in
+ * markdown.
  *
- * @type {FromMarkdownExtension}
+ * @returns {FromMarkdownExtension}
+ *   Extension for `mdast-util-from-markdown` to enable GFM tables.
  */
-export const gfmTableFromMarkdown = {
-  enter: {
-    table: enterTable,
-    tableData: enterCell,
-    tableHeader: enterCell,
-    tableRow: enterRow
-  },
-  exit: {
-    codeText: exitCodeText,
-    table: exitTable,
-    tableData: exit,
-    tableHeader: exit,
-    tableRow: exit
+export function gfmTableFromMarkdown() {
+  return {
+    enter: {
+      table: enterTable,
+      tableData: enterCell,
+      tableHeader: enterCell,
+      tableRow: enterRow
+    },
+    exit: {
+      codeText: exitCodeText,
+      table: exitTable,
+      tableData: exit,
+      tableHeader: exit,
+      tableRow: exit
+    }
   }
 }
 
diff --git a/readme.md b/readme.md
index 67a8d4c..186a5de 100644
--- a/readme.md
+++ b/readme.md
@@ -112,7 +112,7 @@ const doc = await fs.readFile('example.md')
 
 const tree = fromMarkdown(doc, {
   extensions: [gfmTable()],
-  mdastExtensions: [gfmTableFromMarkdown]
+  mdastExtensions: [gfmTableFromMarkdown()]
 })
 
 console.log(tree)
@@ -174,14 +174,19 @@ console.log(out)
 ## API
 
 This package exports the identifiers
-[`gfmTableFromMarkdown`][api-gfmtablefrommarkdown] and
-[`gfmTableToMarkdown`][api-gfmtabletomarkdown].
+[`gfmTableFromMarkdown`][api-gfm-table-from-markdown] and
+[`gfmTableToMarkdown`][api-gfm-table-to-markdown].
 There is no default export.
 
 ### `gfmTableFromMarkdown`
 
-Extension for [`mdast-util-from-markdown`][mdast-util-from-markdown] to enable
-GFM tables ([`FromMarkdownExtension`][frommarkdownextension]).
+Create an extension for [`mdast-util-from-markdown`][mdast-util-from-markdown]
+to enable GFM tables in markdown.
+
+###### Returns
+
+Extension for `mdast-util-from-markdown` to enable GFM tables
+([`FromMarkdownExtension`][from-markdown-extension]).
 
 ### `gfmTableToMarkdown(options?)`
 
@@ -196,7 +201,7 @@ enable GFM tables in markdown.
 ###### Returns
 
 Extension for `mdast-util-to-markdown` to enable GFM tables
-([`ToMarkdownExtension`][tomarkdownextension]).
+([`ToMarkdownExtension`][to-markdown-extension]).
 
 ### `Options`
 
@@ -302,7 +307,7 @@ The following interfaces are added to **[mdast][]** by this utility.
 
 ```idl
 interface Table <: Parent {
-  type: "table"
+  type: 'table'
   align: [alignType]?
   children: [TableContent]
 }
@@ -579,13 +584,13 @@ abide by its terms.
 
 [dfn-break]: https://github.com/syntax-tree/mdast#break
 
-[frommarkdownextension]: https://github.com/syntax-tree/mdast-util-from-markdown#extension
+[from-markdown-extension]: https://github.com/syntax-tree/mdast-util-from-markdown#extension
 
-[tomarkdownextension]: https://github.com/syntax-tree/mdast-util-to-markdown#options
+[to-markdown-extension]: https://github.com/syntax-tree/mdast-util-to-markdown#options
 
-[api-gfmtablefrommarkdown]: #gfmtablefrommarkdown
+[api-gfm-table-from-markdown]: #gfmtablefrommarkdown
 
-[api-gfmtabletomarkdown]: #gfmtabletomarkdownoptions
+[api-gfm-table-to-markdown]: #gfmtabletomarkdownoptions
 
 [api-options]: #options
 
diff --git a/test.js b/test.js
index 13be67f..be8d721 100644
--- a/test.js
+++ b/test.js
@@ -20,12 +20,12 @@ test('core', async function (t) {
   })
 })
 
-test('gfmTableFromMarkdown', async function (t) {
+test('gfmTableFromMarkdown()', async function (t) {
   await t.test('should support tables', async function () {
     assert.deepEqual(
       fromMarkdown('| a\n| -', {
         extensions: [gfmTable()],
-        mdastExtensions: [gfmTableFromMarkdown]
+        mdastExtensions: [gfmTableFromMarkdown()]
       }),
       {
         type: 'root',
@@ -79,7 +79,7 @@ test('gfmTableFromMarkdown', async function (t) {
     assert.deepEqual(
       fromMarkdown('| a | b | c | d |\n| - | :- | -: | :-: |', {
         extensions: [gfmTable()],
-        mdastExtensions: [gfmTableFromMarkdown]
+        mdastExtensions: [gfmTableFromMarkdown()]
       }),
       {
         type: 'root',
@@ -185,7 +185,7 @@ test('gfmTableFromMarkdown', async function (t) {
     async function () {
       const tree = fromMarkdown('| `\\|` |\n | --- |', {
         extensions: [gfmTable()],
-        mdastExtensions: [gfmTableFromMarkdown]
+        mdastExtensions: [gfmTableFromMarkdown()]
       })
 
       removePosition(tree, {force: true})
@@ -218,7 +218,7 @@ test('gfmTableFromMarkdown', async function (t) {
     async function () {
       const tree = fromMarkdown('`\\|`', {
         extensions: [gfmTable()],
-        mdastExtensions: [gfmTableFromMarkdown]
+        mdastExtensions: [gfmTableFromMarkdown()]
       })
 
       removePosition(tree, {force: true})
@@ -237,7 +237,7 @@ test('gfmTableFromMarkdown', async function (t) {
     async function () {
       const tree = fromMarkdown('| `\\\\|`\\\\` b |\n | --- | --- |', {
         extensions: [gfmTable()],
-        mdastExtensions: [gfmTableFromMarkdown]
+        mdastExtensions: [gfmTableFromMarkdown()]
       })
 
       removePosition(tree, {force: true})