simdjson_dart 0.2.1 changelog

0.2.1 #

Declare the benchmark chart in pubspec.yaml so pub.dev renders it on the package page. The chart was already in the repository and the README, but pub.dev shows only what the screenshots: field points at, so the page a reader lands on from search opened with text where the measurement should have been.

Add simdJsonDecodeNdjson and simdJsonDecodeNdjsonBytes for newline-delimited JSON (.ndjson, .jsonl, log streams). The whole buffer goes to simdjson's document stream in one native pass and comes back as one decoded value per document, instead of a jsonDecode call per line. Measured at 10.4 ms against 17.8 ms on a 2.11 MB, 20,000-document log (Apple M-series, warmed up, five-run average), about 1.7x.
A truncated last document is reported as a FormatException rather than dropped. simdjson's document stream treats trailing bytes that do not form a complete document as something a later batch will finish, which for a whole-buffer parse would silently lose the last record of a cut-off log.

Example: rewrite it around the real use case. It now builds a multi-megabyte paginated payload and pulls a few fields (the page header and first record) by selective access, which is where the package is faster than a full decode, alongside the full-decode path and a rejected-input case.

Initial release, vendoring simdjson 4.6.4.

SimdJsonDocument: parse once, materialize only the subtrees you read, addressed by RFC 6901 JSON Pointers. 5-15x faster than full decoding when reading selected fields from large documents.
simdJsonDecodeBytes / simdJsonDecode: whole-document decoding with the same result shapes as jsonDecode.
Native code builds automatically via Dart build hooks (Dart 3.10+); no manual native setup.