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npm · #259 most downloaded on npm
Encode/decode sourcemap mappings
Last release 1 months ago
28 Aug 2026
Release timing varies
gaps range from 2 weeks to 1.2 years
Nearly every release is documented
notes for 13 of 14 stable releases
Nothing withdrawn
no release was ever pulled
5 years old
16 releases · first in 2022
One column per quarter.
includes new decodeRangeMappings and encodeRangeMappings APIs
decodeRangeMappings and encodeRangeMappings APIsFull Changelog: https://github.com/jridgewell/sourcemaps/compare/sourcemap-codec/1.5.5...sourcemap-codec/1.6.0
Nothing published for this version
Use default subpath export: https://github.com/jridgewell/sourcemaps/commit/aab8d72
default subpath export: https://github.com/jridgewell/sourcemaps/commit/aab8d72export default into module.exports = in UMD plugin: https://github.com/jridgewell/sourcemaps/commit/cf85c75Full Changelog: https://github.com/jridgewell/sourcemaps/compare/sourcemap-codec/1.5.4...sourcemap-codec/1.5.5
Optimize UMD wrapper: https://github.com/jridgewell/sourcemaps/commit/557ca37
Full Changelog: https://github.com/jridgewell/sourcemaps/compare/sourcemap-codec/1.5.3...sourcemap-codec/1.5.4
Update UMD Wrapper to fix webpack build issue: #33
getOwnPropertyDescriptors polyfill to support Node v6: #34Full Changelog: https://github.com/jridgewell/sourcemaps/compare/sourcemap-codec/1.5.2...sourcemap-codec/1.5.3
Remove require(esm) support to fix bug with Node v22: https://github.com/jridgewell/sourcemaps/commit/e95784217661cdd44c3c1bd5b3c42bbb8a24b69c
require(esm) support to fix bug with Node v22: https://github.com/jridgewell/sourcemaps/commit/e95784217661cdd44c3c1bd5b3c42bbb8a24b69cFull Changelog: https://github.com/jridgewell/sourcemaps/compare/sourcemap-codec/1.5.1...sourcemap-codec/1.5.2
Fix package types for CJS and ESM imports: https://github.com/jridgewell/sourcemaps/commit/a924ed32ebfa27e49bc0ff4196118e791eaff22d
module-sync exports type for require(esm): https://github.com/jridgewell/sourcemaps/commit/3836f6c8aee41d47119a642c7f88042b1a8ed239Full Changelog: https://github.com/jridgewell/sourcemaps/compare/sourcemap-codec/1.5.0...sourcemap-codec/1.5.1
Full Changelog: https://github.com/jridgewell/sourcemaps/compare/sourcemap-codec/1.4.15...sourcemap-codec/1.5.0
Full Changelog: https://github.com/jridgewell/sourcemaps/compare/sourcemap-codec/1.4.15...sourcemap-codec/1.5.0
Nothing published for this version
Fix types field name by @benmccann in https://github.com/jridgewell/sourcemap-codec/pull/1
types field name by @benmccann in https://github.com/jridgewell/sourcemap-codec/pull/1Full Changelog: https://github.com/jridgewell/sourcemap-codec/compare/v1.4.14...v1.4.15
fix "exports" for node 13.0-13.6
Full Changelog: https://github.com/jridgewell/sourcemap-codec/compare/v1.4.13...v1.4.14
- Add types field to exports Full Changelog: https://github.com/jridgewell/sourcemap-codec/compare/v1.4.12...v1.4.13
Full Changelog: https://github.com/jridgewell/sourcemap-codec/compare/v1.4.12...v1.4.13
Reduce memory usage when encoding and improve speed!
Full Changelog: https://github.com/jridgewell/sourcemap-codec/compare/v1.4.11...v1.4.12
Nothing published for this version
- Sort mappings during decode
- Performance boost (#86) - Add native ESM entry point
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