Switch to js-yaml for easy flow formatting

attributes:
 foo: bar
 articles: [+Article:author]

is much better than:

attributes:
 foo: bar
 articles:
 - +Article:author

Fix was thanks to the flowLevel option in js-yaml

Author: scriptype

package-lock.json

@@ -37,13 +37,13 @@
     "express": "^4.18.2",
     "front-matter": "^4.0.2",
     "handlebars": "^4.7.7",
+    "js-yaml": "^4.1.1",
     "lodash": "^4.17.21",
     "marked": "^4.2.5",
     "posthtml": "^0.16.6",
     "posthtml-urls": "^1.0.0",
     "slug": "^8.2.3",
-    "turndown": "^7.1.1",
-    "yaml": "^2.8.2"
+    "turndown": "^7.1.1"
   },
   "devDependencies": {
     "cheerio": "^1.1.2",

package.json

@@ -1,16 +1,18 @@
 const { join } = require('path')
 const { mkdir, writeFile } = require('fs/promises')
-const { stringify } = require('yaml')
+const { dump } = require('js-yaml')
 
 const createContentTypesModel = ({ getSettings, getContentTypes }) => {
   const createContentType = async ({ name, description = '', attributes, ...config }) => {
     const { rootDirectory } = getSettings()
     const schemaDirectory = join(rootDirectory, 'schema')
     const filePath = join(schemaDirectory, `${name}.md`)
-    const frontMatter = stringify({
+    const frontMatter = dump({
       name,
       attributes,
       ...config
+    }, {
+      flowLevel: 2
     })
     const fileContent = ['---', frontMatter.replace(/\s+$/, ''), '---', description].join('\n')
     await mkdir(schemaDirectory, { recursive: true })