Without a doubt, YAML makes my blood run faster. There is no other data format causing so plenty of mixed feelings in my mind. I came to both love it and hate it. The powerful side of this language pleases me, yet, as people say, with great power comes great responsibility.

Working in the Stoplight team as part of 11Sigma crew I contributed to Stoplight Studio & Stoplight Spectral, both of which operate with YAML spec heavily. That allowed me to dive very deep into its specs.

Table of contents

• Why should you read this, and who is it for?
• The Stoplight Footprint
• Selected differences
  • General
  • Vocabulary
  • Document(s) in a single character stream
  • Character Encoding
  • Spec Versioning
  • YAML vs JSON usability
  • Comments
  • Anchors and Aliases
  • Flow and Block Scalars / Multiline Strings
    • Flow Scalars
    • Block Scalars
    • Line Folding
    • Is there an equivalent of block scalars in JSON?
  • Data / Node Types
    • Collections
    • Mappings / Objects
  • Empty node
  • Tags and Schemas
• Closing Thoughts

Read in full here:

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