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npm · #3228 most downloaded on npm
Stringify your JSON at max speed
Last release 2 months ago
09 Jul 2026
Release timing varies
gaps range from 2 weeks to 8 months
Nearly every release is documented
notes for 59 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
10 years old
168 releases · first in 2016
fix if-then-else with deep nested structures #121
Call .toJSON on object types #120
.toJSON on object types #120Nothing published for this version
One column per quarter.
Fix if-then-else when containing nested structure #112
* Fixed handling of allOf #106
allOf #106Allow empty schemas as properties - #105
Fix type handling with arrays #104
Nothing published for this version
Nothing published for this version
Removed all cached schemas - #94
speed up creation time by 100x. - #93
Add default doc in README - #89
Fix string type array handling dates #84
Fix serialization of nested objects #80
Support for array of types in the schema definition #78
Fix code generation for anyOf when containing a nested object (#74) - #76
fix "isLong is not defined" #73
removed fast-safe-stringify #71
"null" values for integers and numbers #70Nothing published for this version
Root references requires a hash #60 #61
allOf #65Fix error being thrown because of spaces in key - #57
Validate the JSON schema before generating the function - #54 #56
Added support of anyOf https://github.com/fastify/fast-json-stringify/pull/50
Correctly handle multiple types when the types do not match #47 @elliotttf
Nothing published for this version
Note that uglify is not necessary in Node 8.3.0 #42 by @SimenB
Handle null when value should be string - #41
Avoid calling substring to remove a comma #38 by @mcollina
* do not stringify undefined #37
Add ability to uglify generated code #36 by @SimenB
* Support for long integers #30
Faster string serialization - #27
properties in objects - #26$ref support for arrays items #19
$ref support for arrays items #19refFinder in case of deep objects. #19Fixes general regression caused by strings - #17 #18
Correctly escape regex - #14 #16
Updated asString method to support all edge cases - #13, #14
Updated asString method to support all edge cases - #13, #14
Support for $ref #12 by @delvedor
Support for $ref #12 by @delvedor
Support additionalProperties #5 and #11 by @delvedor
Support additionalProperties #5 and #11 by @delvedor
Splitted test into multiple files
See #8 and #10
Support patternProperties #5 and #7 by @delvedor
Support patternProperties #5 and #7 by @delvedor
Fixed the implementation of required fields #4 by @delvedor
required fields #4 by @delvedorCorrectly handle missing and required fields #3 by @delvedor
Support required: true fields #2 by @delvedor
required: true fields #2 by @delvedor- Support regexp #1 by @delvedor
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
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