From 3af1ef11f75d764fa1464636af11386e618be055 Mon Sep 17 00:00:00 2001
From: Simon C <simonc@linux.com>
Date: Wed, 23 Feb 2022 16:13:25 +0100
Subject: [PATCH] feat: Add deleteFields field to delete keys on markdown front
 matter

---
 README.md | 17 ++++++++++++++---
 index.js  | 12 ++++++++----
 2 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index 3f6e1b9..a070238 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ export DIRECTUS_URL=https://your.directus.url
 export DIRECTUS_TOKEN=your-token
 ```
 
-or on configuration parameters :
+or on configuration parameters:
 
 ```js
 const config = {
@@ -29,7 +29,7 @@ const config = {
 
 ### Collection Name
 
-The key of collections object should be the name of Directus Collection :
+The key of collections object should be the name of Directus Collection:
 
 ```js
 const config = {
@@ -44,7 +44,7 @@ const config = {
 
 _default: content_
 
-You can modify the field of the content :
+You can modify the field of the content:
 
 ```js
 const config = {
@@ -53,6 +53,17 @@ const config = {
 }
 ```
 
+### deleteFields
+
+Delete keys on markdown front matter:
+
+```js
+const config = {
+  deleteFields: ['id', 'jobs'],
+  ...
+}
+```
+
 ### readByQueryOption
 
 `readByQueryOption` match https://docs.directus.io/reference/sdk/#read-by-query
diff --git a/index.js b/index.js
index 4526133..73b944d 100644
--- a/index.js
+++ b/index.js
@@ -12,14 +12,17 @@ export default class DirectusToMarkdown {
     this.directus = new Directus(this.url, { auth: { staticToken: this.token }});
   }
 
-  _formatFrontMatter(item) {
+  _formatFrontMatter(item, deleteFields) {
     const front = { ...item } // copie item
     delete front[this.contentKey]
+    for (const field of deleteFields) {
+      delete front[field]
+    }
     return `---\r\n${yaml.dump(front).trim()}\r\n---\r\n\r\n`
   }
 
-  async _writeIndex(item, itemPath) {
-    const frontMatter = this._formatFrontMatter(item)
+  async _writeIndex(item, itemPath, deleteFields) {
+    const frontMatter = this._formatFrontMatter(item, deleteFields)
     const content = item[this.contentKey] ? item[this.contentKey].toString() : ''
     const itemContent = `${frontMatter}${content}\r\n`
     const indexName = 'index' // TODO: index or _index ?
@@ -79,6 +82,7 @@ export default class DirectusToMarkdown {
     for (const collectionName in this.collections) {
       const collection = this.collections[collectionName]
       const readByQueryOption = collection.readByQueryOption
+      const deleteFields = collection.deleteFields
       const items = (await this.directus.items(collectionName).readByQuery(readByQueryOption)).data
       for (const item of items) {
         const itemPath = collection.pathBuilder(item)
@@ -87,7 +91,7 @@ export default class DirectusToMarkdown {
         }
         await this._downloadAssets(item, itemPath)
         await this._downloadAssetsFromContent(item, itemPath)
-        await this._writeIndex(item, itemPath)
+        await this._writeIndex(item, itemPath, deleteFields)
       }
     }
   }