26 curated breaking changes across major versions of js-yaml. Use this as a migration checklist before bumping dependencies.
Check [migration guide](migrate_v3_to_v4.md) to see details for all breaking changes.
Breaking: "unsafe" tags `!!js/function`, `!!js/regexp`, `!!js/undefined` are
Astral characters are no longer encoded by `dump()`, #587.
"duplicate mapping key" exception now points at the correct column, #452.
Extra commas in flow collections (e.g. `[foo,,bar]`) now throw an exception
`__proto__` key no longer overrides object prototype, #164.
Check migration guide in [docs](docs/) for details of all breaking changes.
`!!binary` now always mapped to `Uint8Array` on load.
Reduced nesting of `/lib` folder.
Parse numbers according to YAML 1.2 instead of YAML 1.1 (`01234` is now decimal,
`dump()` no longer quotes `:`, `[`, `]`, `(`, `)` except when necessary, #470, #557.
Line and column in exceptions are now formatted as `(X:Y)` instead of
Code snippet created in exceptions now contains multiple lines with line numbers.
`dump()` with `skipInvalid=true` now serializes invalid items in collections as null.
Custom tags starting with `!` are now dumped as `!tag` instead of `!<!tag>`, #576.
Custom tags starting with `tag:yaml.org,2002:` are now shorthanded using `!!`, #258.
Added `.mjs` (es modules) support.
Added `quotingType` and `forceQuotes` options for dumper to configure
Added `styles: { '!!null': 'empty' }` option for dumper
Added `replacer` option (similar to option in JSON.stringify), #339.
Custom `Tag` can now handle all tags or multiple tags with the same prefix, #385.
Breaking: removed `safe*` functions. Use `load`, `loadAll`, `dump`
`yaml.DEFAULT_SAFE_SCHEMA` and `yaml.DEFAULT_FULL_SCHEMA` are removed, use
`yaml.Schema.create(schema, tags)` is removed, use `schema.extend(tags)` instead.
`dump()` now serializes `undefined` as `null` in collections and removes keys with
Removed `bower.json`.
Get this data programmatically \u2014 free, no authentication.
curl https://depscope.dev/api/breaking/npm/js-yaml