Is there a way to append content to json file?

[TRZMlEL]

I'm using your tool and wondering if there's a way to append content to a JSON file instead of overwriting it.

[hunvreus]

I'm not 100% sure what you mean but you can:

Manage JSON files

By using the json format with the following configuration:

- name: config
  label: Config
  path: config.json
  format: json
  type: file
  fields:
    - name: title
      label: Website title
      type: string
    - name: description
      label: Website description
      type: string
      description: Will be provused for any page with no description.
    - name: url
      label: Website URL
      type: string

You will be able to manage a JSON file at ./config.json that could look like this:

{
    "title": "Pages CMS",
    "description": "The No-Hassle CMS for Static Sites Generators",
    "title": "https://pagescms.org"
}

Manage JSON frontmatter files

By using the json-frontmatter format with the following configuration:

- name: blog_json
    label: Blog
    type: collection
    path: blog-posts
    format: json-frontmatter
    fields:
      - name: title
        label: Title
        type: string
      - name: author
        label: Author
        type: select
        options:
          values: [Bob Arrington, Sarah Mullen, John Smith]
      - name: body
        label: Body
        type: rich-text

You will be able to manage a collection of JSON frontmatter files in the blog-posts folder that could look like this:

{
    "title": "My new post",
    "author": "John Smith"
}
My first blog post, all in *Markdown*!

HOWEVER...

As I tested this on my local, I realized there's a bug with the json-frontmatter. I've just pushed a fix that will roll out by Monday (I have a release coming up).

[TRZMlEL]

Can new information be added to a JSON file without overwriting the entire file?

Like this:

[
  {
    "isbn": "978-84-611-6297-7",
    "owned": true,
    "cover": "../assets/covers/978-84-611-6297-7.jpg",
    "language": "Valencian / Valencià",
    "region": "Wspólnota Walencka",
    "country": "Hiszpania",
    "continent": "Europa",
    "translator": "Jaume Arabi",
    "title": "El princep xiquet",
    "year": 2007,
    "author": "Antoine de Saint-Exupéry"
  },
  {
    "isbn": "978-83-800-8533-6",
    "owned": true,
    "cover": "../assets/covers/978-83-800-8533-6.jpg",
    "language": "Śląski",
    "region": "Śląsk",
    "country": "Polska",
    "continent": "Europa",
    "translator": "Kulik Grzegorz",
    "title": "Mały Princ",
    "year": 2018,
    "author": "Antoine de Saint-Exupéry"
  }
]

I would like to have multiple pieces of information in one file and be able to add new ones, just like adding a new record to a database.

[hunvreus]

Yes, here's how:

content:
    - name: json-list
      label: JSON list
      list: true
      format: json
      fields:
          - name: isbn
            type: string
          - name: isbn
            type: boolean
          - name: language
            type: string
          - name: region
            type: string
          - name: country
            type: string
          - name: continent
            type: string
          - name: translator
            type: string
          - name: year
            type: number
          - name: author
            type: string

This will allow you to add as many entries as you want and will be saved as a JSON array.

You may want to add labels to these fields, also things like required if you want to enforce them. Some of them may be select boxes, in which case you'll need to specify the options available, or you could use the upcoming fetch option on select which would allow you to query a remote endpoint (for countries, region, continent or even author, as long as there's a way for you to query it).

[TRZMlEL]

Thank you <3