frequency-chain / parquetjs

When each star and fork was added, collected from GitHub and bucketed by day. Cumulative growth sits directly above the daily additions it is made of, so the two read against each other: steady organic accretion looks nothing like an abrupt, short-lived burst. Where that difference is measurable, it is reported as growth authenticity.

Each point covers 4 days.

Full resolved dependency set from the GitHub dependency graph: 13 direct and 409 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

Installing npm:@dsnp/parquetjs@1.8.9 pulls in 63 packages, direct and transitive: 0 carry known advisories, of which 0 are direct dependencies.

No known advisories affect the assessed dependencies.

An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.

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      "recent_commits": [
        {
          "oid": "7c9ab324773ca7120bd2ab5e707113fa83b92291",
          "body": "…ross 1 directory (#194)\n\nBumps the npm_and_yarn group with 1 update in the / directory:\n[brace-expansion](https://github.com/juliangruber/brace-expansion).\n\nUpdates `brace-expansion` from 5.0.7 to 5.0.8\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
          "is_bot": true,
          "headline": "Bump brace-expansion from 5.0.7 to 5.0.8 in the npm_and_yarn group ac…",
          "author_name": "dependabot[bot]",
          "author_login": "dependabot[bot]",
          "committed_at": "2026-07-25T04:54:03Z",
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        {
          "oid": "730ad3c479afcdef65e1d9875511de3693fb00a1",
          "body": "## Purpose\nSecurity updates to fix audit alerts, reduce threat of supply-chain attacks\n\n## Related GitHub Issues\nCloses #177 \nCloses #102 (sort of, this upgrades to node 24.18.0 LTS)\nCloses #192\nCloses #191 \n- update all packages with audit alerts\n- pin all package versions\n- require nodejs >=24.18.0\n- add .npmrc with ignore-scripts=true \n\n## Steps to Verify\n- `npm audit` results 1 low severity vulnerability\n- `npm run test` / CI passes",
          "is_bot": false,
          "headline": "Security update (#193)",
          "author_name": "Shannon Wells",
          "author_login": "shannonwells",
          "committed_at": "2026-07-25T04:40:48Z",
          "body_truncated": false,
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        },
        {
          "oid": "ae468b0982c8ef108ff86b59cb8eccd6f79f4000",
          "body": "…ory (#189)\n\nBumps the npm_and_yarn group with 1 update in the / directory:\n[ws](https://github.com/websockets/ws).\n\nUpdates `ws` from 5.2.4 to 5.2.5\n\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
          "is_bot": true,
          "headline": "Bump ws from 5.2.4 to 5.2.5 in the npm_and_yarn group across 1 direct…",
          "author_name": "dependabot[bot]",
          "author_login": "dependabot[bot]",
          "committed_at": "2026-07-08T00:59:37Z",
          "body_truncated": false,
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        },
        {
          "oid": "fc6d4bf4408df28757de3e24d8a205cb5d120a8e",
          "body": "… directory (#188)\n\nBumps the npm_and_yarn group with 1 update in the / directory:\n[esbuild](https://github.com/evanw/esbuild).\n\nUpdates `esbuild` from 0.28.0 to 0.28.1\nSigned-off-by: dependabot[bot] <support@github.com>\nCo-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>",
          "is_bot": true,
          "headline": "Bump esbuild from 0.28.0 to 0.28.1 in the npm_and_yarn group across 1…",
          "author_name": "dependabot[bot]",
          "author_login": "dependabot[bot]",
          "committed_at": "2026-07-01T22:37:19Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "66a3369fbb661038529d6980b8a7f3419e9a2215",
          "body": "# Problem\nThis repo needs tending; add open source docs and github templates.\n\nCloses #183 \n\nSolution\n========\nAdd requisite files, pulled from LibertyDSNP/meta repo.",
          "is_bot": false,
          "headline": "add markdown needed for a FOSS project (#184)",
          "author_name": "Shannon Wells",
          "author_login": "shannonwells",
          "committed_at": "2026-05-13T20:01:57Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "328253ceeb951eeb295207da2c4c72c7c9db4069",
          "body": "# Problem\ndependencies are outdated and have vulnerabilities\n\nSolution\n========\nbump dependencies\n\n## Change summary:\n- use new node 24 compatible actions\n- update to node 20\n- npm audit fixes\n- bump thrift dependency\n- bump dev dependencies",
          "is_bot": false,
          "headline": "chore: bumps (#181)",
          "author_name": "Christian Dietrich",
          "author_login": "cdietrich",
          "committed_at": "2026-05-11T18:19:07Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "47089b007d8e93ef855e84d761f768410945ccd2",
          "body": "# Problem\n\nRegular dependency updates\n\n- JS Packages all updated\n- Updated vendor'd parquet thrift file\n- Updated thrift generated js and ts files",
          "is_bot": false,
          "headline": "Chore: Update dependencies (#174)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2025-09-02T19:47:59Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "a0bf345d83f6c8da7e3e8e2169f319890953043a",
          "body": "# Problem\n\nBuffers were not correctly being compared causing incorrect statistics.\n\nCloses #137 \n\nSolution\n========\n\nAdded buffer comparison separately from other `>` / `<` for statistics.\n\n## Change summary:\n\n- Added the test from #137 \n- Fixed by adding `compareStatistics` which uses both\n`compareStatisticsGtLt` and what actually does the fix\n`compareStatisticsBuffer`\n- Something else I/we did\n\n## Steps to Verify:\n\n1. See the test!",
          "is_bot": false,
          "headline": "Fix Metadata Statistics Comparison (#175)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2025-08-21T13:46:02Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "15a5cfa0d5f3241d8a7eb6438686445d243e48dc",
          "body": null,
          "is_bot": false,
          "headline": "Update README.md",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2025-06-24T14:09:40Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "3d0114269322018e53ae74b9a9684c469ce1ffca",
          "body": "Fixes #170",
          "is_bot": false,
          "headline": "Allow calling close on reader multiple times (#171)",
          "author_name": "Gabe Gorelick",
          "author_login": "gabegorelick",
          "committed_at": "2025-06-18T01:57:32Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "790a7683f71d4f8969460562f456039898ca3c08",
          "body": "Fixes #168\nUpdate code to throw Errors instead of strings. This is in line with widely accepted JS best practices.",
          "is_bot": false,
          "headline": "Throw Errors instead of string literals (#169)",
          "author_name": "Gabe Gorelick",
          "author_login": "gabegorelick",
          "committed_at": "2025-06-16T21:45:47Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "41e3a9ec2a90b3524fafd1314248ee1bcd161e2e",
          "body": "# Problem\n\nThere's currently no way to handle INT96 timestamps.\n\nCloses #158\n\nSolution\n========\nadd a flag to enable treating all INT96 fields in a file as timestamps.",
          "is_bot": false,
          "headline": "add capability and option flag to treat int96 as a timestamp (#162)",
          "author_name": "Jayson Jacobs",
          "author_login": "j4ys0n",
          "committed_at": "2025-05-13T22:45:24Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "b2d98904ce15b1dc45e7c0227307c123531f1a99",
          "body": "# Problem\n\nbson and other dependencies were out of date.\n\nCloses #159 \n\n## Solution\n\nUpdated all dependencies, all tests passing after some minor type and\nimport tweaks.\n\n## Details\n- Needed to handle the conversion from ArrayBuffer to Uint8Array more\nexplicitly\n- Chai 5 uses slightly different setup as it is now ESM",
          "is_bot": false,
          "headline": "Update all dependencies (#160)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2025-02-21T02:08:05Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "4551071f774c263f4811f1244be6393e6ac72c40",
          "body": "Simple add. Looked into switching to BigInt, but the Thrift package\r\nstill needs this.\r\n\r\n\r\nCloses: #148",
          "is_bot": false,
          "headline": " Add missing node-int64 dependency (#149)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-10-10T12:44:46Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "f43959601c038919b4d6ccaa8473d7e279aa8268",
          "body": "A lot of dependencies were out of date. This brings all but the test\r\nframework ones to latest.\r\n\r\nAlso adds the export for declare to have more types exported at the root\r\ninstead of having to dig.",
          "is_bot": false,
          "headline": "Update dependencies and exports (#147)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-10-07T14:17:22Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "6b7bea90b462de868ec8fa198dba36c8865b0400",
          "body": "# Problem\r\n\r\nPart of #99 \r\n\r\n![image](https://github.com/user-attachments/assets/3526d69a-b89b-4513-b02c-39ff03e91af3)\r\n\r\nSupport logical types in parquetjs starting with `TIME` support\r\n\r\nSolution\r\n========\r\nImplementation following the parquet\r\n[spec](https://github.com/apache/parquet-format/blob/\n[…]\nted type conversions for logical type time to primitive type\r\naccording to spec\r\n- Implement field, schema and file tests to ensure everything works\r\ntogether\r\n\r\n## Steps to Verify:\r\n\r\n1. npm run test",
          "is_bot": false,
          "headline": "Logical type : TIME (#143)",
          "author_name": "Puneet Saraswat",
          "author_login": "saraswatpuneet",
          "committed_at": "2024-09-13T13:16:31Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "6797c994a9a5e05ad146d39a8f660401ca74e911",
          "body": "Note: The reference Brotli file doesn't work because it is too large. It\r\ndecompresses to an extremely large size (1Gb+)\r\n\r\nCloses #140\r\nCloses #125 (Likely?)\r\n\r\nA new brotli sample file was generated using python code seen below.\r\n\r\n## What Changed?\r\n\r\n- Moved the esbuild work to mjs. This was requ\n[…]\nsample_brotli_compressed.parquet\"\r\n\r\n# Write to Parquet file with Brotli compression\r\npq.write_table(table, output_file, compression='BROTLI')\r\n\r\nprint(f\"File {output_file} created successfully!\")\r\n``",
          "is_bot": false,
          "headline": "Fix Brotli compression (#144)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-09-11T19:58:44Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "540e0e56c66116d9e341ac824623466497957a1d",
          "body": "- Previous version of zenfs-core had an engine requirement of >=22 which\r\nwas higher than the engine requirement for this library (18.18.2) which\r\ncaused issues with installing the library using yarn. (Yarn seemed to\r\nerror on engine mismatch but trying it with npm just seemed to log a\r\nwarning)\r\n\r\n\n[…]\nps://github.com/zen-fs/core/releases\r\n\r\nYou can see in the `package-lock.json` that the engine requirement has\r\nchanged from 22 to 16.\r\n\r\n## Change summary:\r\n\r\n- Bump version of @zenfs/core to ^0.16.0",
          "is_bot": false,
          "headline": "Bump version of @zenfs/core to ^0.16.0 (#141)",
          "author_name": "Harry Law",
          "author_login": "harryalaw",
          "committed_at": "2024-09-05T12:51:31Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "92cbbee2e77aa1e6b3d5d25a8e6c00c95edca46c",
          "body": "Nothing but running `npm audit fix` to make sure any issues are\r\ncorrected there. No other code changes.",
          "is_bot": false,
          "headline": "NPM audit fixes (#139)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-09-04T17:09:06Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "01e25e47c4173d76660b436b18fb06ee6c62b018",
          "body": "# Problem\r\nAs reported in #121 and #131 there are issues with the parsing of\r\n`FIXED_LEN_BYTE_ARRAY` values. This may be caused by the fact that they\r\nare converted to strings as part of the decoding process for\r\nDICTIONARY_PAGE types. This should close both issues.\r\n\r\nSolution\r\n========\r\nBy removin\n[…]\n   age: Buffer.from([0,0,0,0,0,0,0,0,0,0,0,0,178,208,94,0]),\r\n  }])\r\n```\r\n\r\nThe data recorded in #131 is returned as a buffer, but I've not fully\r\nchecked the contents of that buffer that is returned.",
          "is_bot": false,
          "headline": "Remove to string for dictionary pages (#138)",
          "author_name": "Harry Law",
          "author_login": "harryalaw",
          "committed_at": "2024-09-04T16:07:17Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "d369b2a088270961302434d7c63204629b340ce4",
          "body": "Close #135.",
          "is_bot": false,
          "headline": "Use native fetch (#136)",
          "author_name": "Cheng",
          "author_login": "zcbenz",
          "committed_at": "2024-07-16T17:02:38Z",
          "body_truncated": false,
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        },
        {
          "oid": "40357ad89fe33d642765a09b1d239e12bc99d5b9",
          "body": "Update the project to use ZenFs instead of BrowserFs, as BrowserFs is\r\nnow deprecated.\r\n\r\n#127",
          "is_bot": false,
          "headline": "chore(*): replace BrowserFs for ZenFs (#134)",
          "author_name": "eNddy",
          "author_login": "enddynayn",
          "committed_at": "2024-07-01T20:34:32Z",
          "body_truncated": false,
          "is_coding_agent": false
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        {
          "oid": "6396d26f5510e0c61a98bbb3c17384d3df008392",
          "body": "Review Note: I split this into different commits so it would be easy to\r\nreview that which wasn't automatically applied.\r\n\r\nI suggest reviewing those commits instead of every line.\r\n\r\nProblem\r\n=======\r\n\r\nStyles and potential issues were all over without enforcing linting and\r\nformatting.\r\n\r\nCloses: \n[…]\n:\r\n---------------\r\n* Added eslint\r\n* Added Prettier\r\n* Checked to make sure it was setup in CI\r\n\r\nSteps to Verify:\r\n----------------\r\n1. npm i\r\n2. npm run lint\r\n3. npm run format\r\n4. npm run lint:fix",
          "is_bot": false,
          "headline": "Linting and Formatting (#133)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-07-01T16:42:56Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "2435994ca6fade7a4a0bb4512dc7da635b0c43dd",
          "body": "Updated _almost_ all of the dependencies to the latest version.\r\n\r\n- Bson updates required a few small changes due to es module updates in\r\nbson\r\n- Did *not* update chai past v4. Looks like moving past chai v4 would\r\nrequire many changes and not all the chai plugins we are using support\r\nit yet. Per\n[…]\n Try it out with:\r\n    - `npm i && npm run build && npm run serve`\r\n    - `cd examples/server && npm i && node app.js`\r\n- Then go to `http://localhost:3000`, open up the console and hit some\r\nbuttons.",
          "is_bot": false,
          "headline": "Dependency updates (#128)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-05-14T19:01:14Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "5db9db4caa296908cf159ed649ec198135ada988",
          "body": "Per @ MaTiAtSIE via\r\nhttps://github.com/LibertyDSNP/parquetjs/issues/120#issuecomment-1997057706\r\n\r\nSwitch from the older, non-maintained\r\n[wasm-brotli](https://github.com/dfrankland/wasm-brotli) to the newer\r\nand maintained\r\n[brotli-wasm](https://github.com/httptoolkit/brotli-wasm).\r\n\r\nDrop in swap, all tests still pass.\r\n\r\nCloses #120",
          "is_bot": false,
          "headline": "Swap brotli dependency (#123)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-03-14T15:49:50Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "3de7eea76391459059af2c294a6532662a7131c4",
          "body": "Problem\r\n=======\r\n`typeLength`, and potentially `precision`, with value \"null\" causes\r\nincorrect primitive type detection result.\r\n\r\nSolution\r\n========\r\nWe should handle the null values such that when the `typeLength` or\r\n`precisions` field is of value \"null\", its primitive type are detected\r\nas \"IN\n[…]\nPage\r\n\r\nhttps://github.com/LibertyDSNP/parquetjs/blob/91fc71f262c699fdb5be50df2e0b18da8acf8e19/lib/reader.ts#L947\r\n\r\nNotice that one uses \"opts.type\" while the other uses\r\n\"opts.column.primitiveType\".",
          "is_bot": false,
          "headline": "fix: Fix incorrect primitive type detection (#122)",
          "author_name": "JasonYeMSFT",
          "author_login": "JasonYeMSFT",
          "committed_at": "2024-03-13T12:13:28Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "91fc71f262c699fdb5be50df2e0b18da8acf8e19",
          "body": "- Buffer.slice -> Buffer.subarray (and correct test that wasn't using\nbuffers)\n- new Buffer(array) -> Buffer.from(array)\n- Fix issue with `npm run serve`\n\nVia looking into #117 As `subarray` is slightly faster in the browser\nshim.",
          "is_bot": false,
          "headline": "Update Deprecated Function Calls (#118)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-02-10T00:44:19Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "117e5a573b5dc28fb1217f7219704ad2bc10c23a",
          "body": "Problem\r\n=======\r\nSupport AWS S3 V3 streams while retaining support for V2. V2 may be removed later.\r\nCloses #32\r\nwith @wilwade , @pfrank13 \r\n\r\nChange summary:\r\n---------------\r\n* support V3 in reader.ts\r\n* add tests\r\n* use `it.skip` instead of commenting out test code.\r\n---------\r\n\r\nCo-authored-by: Wil Wade <wil.wade@amplica.io>",
          "is_bot": false,
          "headline": "Feat/support aws s3 v3 (#115)",
          "author_name": "Shannon Wells",
          "author_login": "shannonwells",
          "committed_at": "2024-01-30T21:13:20Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "2622ff14fb6dd28c90ec02eab2f653ac0bcd9876",
          "body": "…E_ARRAY (#108)\n\nProblem\n=======\n\ntypeLength is present in column options but decoding is throwing an\nerror.\n\n`thrown: \"missing option: typeLength (required for\nFIXED_LEN_BYTE_ARRAY)\"`\n\noptions object for reference:\n```\n    {\n      type: 'FIXED_LEN_BYTE_ARRAY',\n      rLevelMax: 0,\n      dLevelMax: 1\n[…]\nee above\n\nSteps to Verify:\n----------------\ndecode a parquet file with this type of field.\n\n---------\n\nCo-authored-by: Wil Wade <wil.wade@unfinished.com>\nCo-authored-by: Wil Wade <wil.wade@amplica.io>",
          "is_bot": false,
          "headline": "allow typeLength to come from opts.column when decoding FIXED_LEN_BYT…",
          "author_name": "Jayson Jacobs",
          "author_login": "j4ys0n",
          "committed_at": "2024-01-19T03:46:24Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "8d34ac1ebff935770989c32fa2a2a863769257d6",
          "body": "… null instead of undefined (#114)\n\nProblem\r\n=======\r\n\r\nWe wanted to add tests for all the tests in\r\nhttps://github.com/apache/parquet-testing\r\n\r\n### Discovered Bugs\r\n- We treated nulls as undefined, but others don't\r\n- We incorrectly processed dictionary_page_offset >= 0 instead of only >\r\n0\r\n\r\n\r\nS\n[…]\ntest/reference-test/read-all.test.ts`\r\n- Fixed found bugs\r\n\r\nwith @shannonwells \r\n\r\nSteps to Verify:\r\n----------------\r\n1. Run the tests\r\n1. Comment out the bug fixes and see reference test files fail",
          "is_bot": false,
          "headline": "Reference Tests and Breaking Change: Optional nullable fields are now…",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-01-19T00:07:33Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "6fdb9dac9864d27ae4ae62ea5d4ce8a3f49c29e2",
          "body": "Problem\r\n=======\r\nproblem statement - when trying to read a parquet file that was\r\ngenerated using V2 parquet and had RLE_DICTIONARY, got an error: invalid\r\nencoding: RLE_DICTIONARY #96\r\n\r\nReported issue: https://github.com/LibertyDSNP/parquetjs/issues/96\r\n\r\nSolution\r\n========\r\nWhat I/we did to solv\n[…]\nthis line to an existing project in the node modules and it\r\nworks. without this line I get an an error with this line added - it\r\npassed\r\n\r\n---------\r\n\r\nCo-authored-by: Wil Wade <wil.wade@amplica.io>",
          "is_bot": false,
          "headline": "Update index.ts to support RLE_DICTIONARY (#112)",
          "author_name": "Sarit Vakrat",
          "author_login": "saritvakrat",
          "committed_at": "2024-01-18T19:56:18Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "0a42955f755b1a0df3fe23389afa43e7eac920cc",
          "body": "Problem\r\n=======\r\nThe JSON Schema stipulates that [a \"number\" type can be an integer, floating point, or exponential\r\nnotation](https://json-schema.org/understanding-json-schema/reference/numeric).\r\nCurrently, the \"number\" type is treated the same as an integer when\r\ninstantiating `fromJSONSchema`. \n[…]\nit can't be converted into a BigInt.\r\n\r\nSolution\r\n========\r\nI changed the primitive to Double for \"number\" types when creating a schema from JSON.\r\n\r\nCo-authored-by: Wil Wade <wil.wade@unfinished.com>",
          "is_bot": false,
          "headline": "Use the Double primative for JSON Schema \"number\" type (#111)",
          "author_name": "Mike",
          "author_login": "mpotter",
          "committed_at": "2024-01-11T19:43:40Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "e0f1ebd6f61ff673541799b4fc026435053377e0",
          "body": "Problem\r\n=======\r\nDocs were wrong from a long time ago per\r\nhttps://github.com/ironSource/parquetjs/issues/100\r\n\r\nSolution\r\n========\r\nUpdated the docs and added a simple test\r\n\r\nCloses #106",
          "is_bot": false,
          "headline": "Update docs and add simple test for readme encoding examples (#107)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2024-01-09T16:03:20Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "19707ef9b9ec578f678105f5d3daa7f847eff241",
          "body": "For bloom filters, treat column names as the full path and not just the first part of the path in the schema.\r\n\r\nCloses #98 \r\nwith @rlaferla \r\n\r\nCo-authored-by: Wil Wade <wil.wade@unfinished.com>",
          "is_bot": false,
          "headline": "Support bloom filters in lists/nested columns (#105)",
          "author_name": "Shannon Wells",
          "author_login": "shannonwells",
          "committed_at": "2023-11-28T21:51:10Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "bda4e3fe736280b565efcd341ffd78a5485eb1a7",
          "body": "Upgrade to nodejs 18+.  Closes #83",
          "is_bot": false,
          "headline": "upgrade to nodejs 18.18.2 (#101)",
          "author_name": "Shannon Wells",
          "author_login": "shannonwells",
          "committed_at": "2023-11-17T22:09:51Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "c07e7e81847523f4d74edd0adf9b2f9b6bbd1d90",
          "body": "Problem\r\n=======\r\nAddress #91\r\n\r\nSolution\r\n========\r\nWhen encountering such byte array represented \"Decimal\" fields, parse\r\nthem into raw buffers.\r\n\r\nChange summary:\r\n---------------\r\n- Added code to parse \"Decimal\" type fields represented by byte arrays\r\n(fixed length or non-fixed length) into raw \n[…]\not\r\nbe greater than 18.\r\n- After the change, library will parse those fields to their raw buffer\r\nvalues and return records normally.\r\n\r\n---------\r\n\r\nCo-authored-by: Wil Wade <wil.wade@unfinished.com>",
          "is_bot": false,
          "headline": "Add support to byte array decimal fields (#97)",
          "author_name": "Chunan(Jason) Ye",
          "author_login": "YECHUNAN",
          "committed_at": "2023-08-14T19:15:20Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "ac5257d283d23547b32338fb72eb3119fb60e7c7",
          "body": "Problem\r\n=======\r\n\r\nCloses: #93 \r\n\r\nSolution\r\n========\r\n\r\nAdd checks for `format == 'date-time`` inside the string type check\r\nfor`string` and `array of string`\r\n\r\nChange summary:\r\n---------------\r\n* Added format check for string fields ( and string arrays )\r\n* Check for JSONSchema property `format`\n[…]\n--------\r\n1. Generate a JSON Schema or use an existing one\r\n2. Add `\"format\":\"date-time\"` to the field which should have a Date/Time\r\nvalue\r\n3. Ensure that the value is a valid `Date` object\r\n4. Enjoy",
          "is_bot": false,
          "headline": "Feature: Timestamp support for JSONSchema generated schemas (#95)",
          "author_name": "Marcus Reinhardt",
          "author_login": "noxify",
          "committed_at": "2023-07-25T17:10:20Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "43732c5ce089b82a5ec660c2e6eb3b7b886696fe",
          "body": "Problem\r\n=======\r\n\r\nParquet file column indexes are required to have `null_pages` and\r\n`boundary_order`, but they were missing from Parquetjs generated files.\r\n\r\n\r\nhttps://github.com/apache/parquet-format/blob/1603152f8991809e8ad29659dffa224b4284f31b/src/main/thrift/parquet.thrift#L955\r\n\r\n\r\nCloses #\n[…]\n\n../generated_files/parquetjs/change.parque` will FAIL\r\n7. npm i ../parquetjs/dsnp-parquetjs-0.0.0.tgz\r\n8 `node index.js && parquet column-index\r\n../generated_files/parquetjs/change.parque` will PASS!",
          "is_bot": false,
          "headline": "Add null pages and boundary order (Fixes #92) (#94)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2023-07-13T16:34:25Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "19f3ffa810ff373b3afd12bdef694e72cd51ceab",
          "body": "Problem\r\n=======\r\nNeed to support writing decimal types\r\n\r\nAlso closes: #87 \r\n\r\nSolution\r\n========\r\n\r\nAdd basic encoding support for decimals\r\n\r\nChange summary:\r\n---------------\r\n* Added better decimal field errors\r\n* Default scale to 0 per spec\r\n* Cleanup types on RLE so it only asks for what is needed\r\n* Support decimal encoding\r\n* Add test for write / read of decimal\r\n\r\nSteps to Verify:\r\n----------------\r\n1. Generate a schema with decimal field\r\n2. Use it!",
          "is_bot": false,
          "headline": "Decimal Writer Support (#90)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2023-06-23T12:38:03Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "fa1865bf70297013d687e388c8945c5470b3ab10",
          "body": "Problem\r\n=======\r\n\r\ncompression functions' return values are assumed to be Buffer objects.\r\nHowever, in reality they could be non-Buffer objects and will results in\r\nexceptions during reading/writing.\r\nhttps://github.com/LibertyDSNP/parquetjs/issues/72 \r\n\r\nSolution\r\n========\r\n\r\nDetect the data type \n[…]\nsion functions\r\n\r\nSteps to Verify:\r\n----------------\r\nAs pointed out in the original issue, the problem can be reproduced\r\nusing the browser build of parquetjs to read a file with snappy\r\ncompression.",
          "is_bot": false,
          "headline": "Ensure Buffer objects are returned by compression functions (#88)",
          "author_name": "JasonYeMSFT",
          "author_login": "JasonYeMSFT",
          "committed_at": "2023-06-21T14:44:32Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "17cb5ed3533f72f199e6683cc9842935ff07595a",
          "body": "Problem\r\n=======\r\nWe need to update to Node16+ as 15.* is @ end-of-life. Closes #62, Fixes\r\n#85, a hasher bug\r\n\r\nSolution\r\n========\r\nUpdate to nodejs 16.15.1, update some packages and fix anything broken.\r\n\r\n**Important:** This revealed a bug in the Xxhasher code that was not\r\nconverting to hex-encoded strings as the [bloom filter\r\nexpects](https://github.com/LibertyDSNP/parquetjs/blob/2c733b5c7a647b9a8ebe9a13d300f41537ef60e2/lib/bloom/sbbf.ts#L357)",
          "is_bot": false,
          "headline": "update to node 16,  FIX HASHER BUG (#84)",
          "author_name": "Shannon Wells",
          "author_login": "shannonwells",
          "committed_at": "2023-05-25T22:18:19Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "b5698e4b8308a2da9d3b2d53c5c58e31f8769cec",
          "body": "Problem\r\n=======\r\n\r\nWe want it to be easier to build Parquet files (and thus the schema for\r\nthose files) from existing schemas. In this case JSON Schemas\r\n\r\nSolution\r\n========\r\n\r\nChange summary:\r\n---------------\r\n* Added field creation helper functions\r\n* Added static function `ParquetSchema.fromJs\n[…]\n a JSON schema and call\r\n`ParquetSchema.fromJsonSchema` with it and see what it does\r\n\r\n---------\r\n\r\nCo-authored-by: Shannon Wells <shannonwells@users.noreply.github.com>\r\nWith assistance from @noxify",
          "is_bot": false,
          "headline": "Feature: Parquet Schema from JSON Schema (#82) with",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2023-05-25T12:18:13Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "2c733b5c7a647b9a8ebe9a13d300f41537ef60e2",
          "body": "Problem\r\n=======\r\nOften parquet files have a column of type `decimal`. Currently `decimal`\r\ncolumn types are not supported for reading.\r\n\r\nSolution\r\n========\r\nI implemented the required code to allow properly reading(only) of\r\ndecimal columns without any external libraries.\r\n\r\nChange summary:\r\n-----\n[…]\n6.\r\n4. The values of those columns should match this table:\r\n![Screenshot 2023-04-22 at 16 53\r\n33](https://user-images.githubusercontent.com/2294003/233810916-3d1a37da-ef22-4e1c-8e46-9961d7470e5e.png)",
          "is_bot": false,
          "headline": "Add ability to read decimal columns (#79)",
          "author_name": "Dean Gaudet",
          "author_login": "dgaudet",
          "committed_at": "2023-04-26T21:51:54Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "a011a2e135bf7ce82538f6bd9cc342593e2eb637",
          "body": "Problem\r\n=======\r\nThis PR is intended to implement 2 enhancements to schema error\r\nreporting.\r\n* When a parquet schema includes an invalid type, encoding or\r\ncompression the current error does not indicate which column has the the\r\nproblem\r\n* When a parquet schema has multiple issues, the code curre\n[…]\n(<path to parquet file>)`\r\n3. You should receive errors for more than one column, which also\r\nincludes the column name for each error\r\n\r\n---------\r\n\r\nCo-authored-by: Wil Wade <wil.wade@unfinished.com>",
          "is_bot": false,
          "headline": "Feature - collect and report multiple field errors (#75)",
          "author_name": "Dean Gaudet",
          "author_login": "dgaudet",
          "committed_at": "2023-03-08T13:47:29Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "a62db080befc57732e151f1d887eb66aa10d4706",
          "body": null,
          "is_bot": false,
          "headline": "Fix typo in comment (#74)",
          "author_name": "JasonYeMSFT",
          "author_login": "JasonYeMSFT",
          "committed_at": "2022-12-13T17:59:34Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "a2cd4ff1ee9eac70b45cb292c5d3d2f3178867ff",
          "body": "* Update esbuild\r\n\r\n* Allow running a specific test file\r\n\r\n* Build out types for the browser cjs and esm files\r\n\r\n* Update the README on how to use building",
          "is_bot": false,
          "headline": "Bug/browser types bug #70 (#71)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2022-06-22T14:10:57Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "73cf70d844cab0a5f139e906a76481c71e518ba4",
          "body": "* Clean up TIMESTAMP issues\r\nZJONSSON#65\r\nZJONSSON#45\r\n* Use MAX_SAFE_INTEGER for testing toPrimitive_TIME_MILLIS",
          "is_bot": false,
          "headline": "Better handling of millis and micros (#68)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2022-05-12T13:38:24Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "d382d0f029f81c29a334c1b0d4bf10f567676266",
          "body": "* Switch to import\r\n* Better optional types\r\n* Remove duplicated types\r\n* types/types -> declare for less confusion between types and types/types\r\n* Make sure thrift types pass through\r\n* Minimal WriteStream Interface\r\n* Fix an unknown type\r\n* Better openUrl Interface",
          "is_bot": false,
          "headline": "Types Cleanup (#67)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2022-05-11T15:06:00Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "c86f490b1d7ff72fc72a447c4d17367b841d94b4",
          "body": "* Use parquet.ts not js\r\n\r\n* require -> import\r\n\r\n* Remove module.exports\r\n\r\n* Export default and types from parquet.ts",
          "is_bot": false,
          "headline": "Chore/fix entry file (#66)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2022-05-11T13:07:19Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "b8bfc078727f2e7f6cb418f40d588589bb7c63ed",
          "body": null,
          "is_bot": false,
          "headline": "Remove baseUrl config option (#65)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2022-05-11T13:03:20Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "2f150a0ae68ced1a1ba8e83c4a1edba9a873e2d5",
          "body": "* Package Updates\r\n* Remove last webpack pieces",
          "is_bot": false,
          "headline": "Update packages (#63)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
          "committed_at": "2022-05-10T21:01:50Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "cadf48649dbbb543873fff40971aa8e12b9bdaee",
          "body": "https://github.com/ZJONSSON/parquetjs/pull/55",
          "is_bot": false,
          "headline": "Performance improvements using a cursor instead of a shift (#57)",
          "author_name": "Wil Wade",
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          "headline": "fix bug caused by side-effect of change in xxhasher. regen package-lo…",
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          "is_bot": false,
          "headline": "Parquetjs browser support (#17)",
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          "body": "Add browser/node support for fetching http request.",
          "is_bot": false,
          "headline": "feat(fetch): add browser/node http client (#15)",
          "author_name": "enddy",
          "author_login": "enddynayn",
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          "headline": "Don't publish types for now (#14)",
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          "headline": "Chore/pre release 0.1.0 (#13)",
          "author_name": "Wil Wade",
          "author_login": "wilwade",
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          "headline": "Update package org from unfinishedlabs -> dsnp (#12)",
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          "oid": "4099f37ac61d36311b8859a9160d8a2512b12870",
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          "is_bot": false,
          "headline": "use xxhash-wasm (#8)",
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          "is_bot": false,
          "headline": "chore(README): update to include bloom filter (#9)",
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          "oid": "5547ad459456c44d0089fe02e4df8112c8759b01",
          "body": "* Remove travis\r\n\r\n* Fix tiny syntax bug\r\n\r\n* Add org to name in package.json\r\n\r\n* Add templates for PRs and issues\r\n\r\n* Add GitHub Actions for testing and publishing\r\n\r\n* Linting not yet implemented\r\n\r\n* Commit the package-lock file for consistent builds",
          "is_bot": false,
          "headline": "GitHub Actions NPM Release (#5)",
          "author_name": "Wil Wade",
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          "oid": "5d03d1bd6f162d0753b9c723a03bf0dab77f7271",
          "body": "feat(bloom-filter): add support\r\n\r\nAdd ability to create bloom filters on columns according to the apache [specs](https://github.com/apache/parquet-format/blob/master/BloomFilter.md).\r\n\r\n\r\nCo-authored-by: shannonwells <shannonwells@users.noreply.github.com>\r\nCo-authored-by: Wil Wade <wil.wade@unfinished.com>",
          "is_bot": false,
          "headline": "Bloom r us (#2)",
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          "headline": "Update license, package.json, and add basic notice to the Readme (#3)",
          "author_name": "Wil Wade",
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          "body": "Update badges to point to the correct project",
          "is_bot": false,
          "headline": "Merge pull request #49 from kvalev/patch-1",
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          "is_bot": false,
          "headline": "Update badges to point to the correct project",
          "author_name": "Krassimir Valev",
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          "body": "Provide the readInt8 function call in plain_dictionary codec with arguments",
          "is_bot": false,
          "headline": "Merge pull request #43 from FZSS/master",
          "author_name": "Ziggy Jonsson",
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          "headline": "Provide readInt8 in rle codec with arguments",
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          "headline": "Merge pull request #39 from jeffbski/improve-transform-error",
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        {
          "oid": "2fa6e8bfb0c336dff76cd71f44347f33db0ef6bc",
          "body": "* Use bigint-buffer.\r\n\r\nWorks in client code, but problem with mocha test is TBD.\r\n\r\n* add bigint-buffer dep\r\n\r\n* Add INT64 support using BigInt.",
          "is_bot": false,
          "headline": "Use bigint for int64 (#37)",
          "author_name": "Charles 'Buck' Krasic",
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        },
        {
          "oid": "71110a4617358774643ec512a04cccb57022e711",
          "body": "When an error occurs it can be difficult to determine\nwhy it occurred so we improve the error by creating an\naugmented error which includes:\n\n - description of what was occuring when error occurred\n - the original error message\n - the row that was attempting to be transformed\n - the original error attached as a property",
          "is_bot": false,
          "headline": "improve error message when transforming",
          "author_name": "Jeff Barczewski",
          "author_login": "jeffbski-rga",
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        {
          "oid": "a10e37a4b736933e031ca35705b8e502252e23ef",
          "body": "use Buffer.from and Buffer.alloc to remove warnings",
          "is_bot": false,
          "headline": "Merge pull request #35 from ZJONSSON/buffer-from",
          "author_name": "Ziggy Jonsson",
          "author_login": "ZJONSSON",
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                "key": "openssf_scorecard_contributors",
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                "key": "pr_acceptance",
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                "key": "newcomer_pr_acceptance",
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                "key": "openssf_scorecard_code_review",
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                "key": "owner_reach",
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                "key": "track_record",
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        ],
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              {
                "key": "dependency_update_tool",
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              {
                "key": "fuzzing",
                "name": "Fuzzing",
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                "key": "license",
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                "key": "packaging",
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                "key": "pinned_dependencies",
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                "max_points": 7.5
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                "key": "token_permissions",
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              {
                "key": "vulnerabilities",
                "name": "Vulnerabilities",
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            ]
          },
          {
            "key": "dependency_advisories",
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                "code": "weights_renormalized",
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                "code": "advisories_scope_published",
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            "value": 100,
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              "direct_affected_packages": 0
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            "components": [
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                "key": "direct_dependencies_free_of_known_advisories",
                "name": "Direct dependencies free of known advisories",
                "detail": "no direct dependency carries a known advisory",
                "points": 35,
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                "details": [
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                "max_points": 35
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              {
                "key": "indirect_dependencies_free_of_known_advisories",
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                "detail": "no indirect dependency carries a known advisory",
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                "details": [
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                ],
                "max_points": 25
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              {
                "key": "no_advisories_left_outstanding",
                "name": "No advisories left outstanding",
                "detail": "no advisory carries a publication date",
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                "status": "excluded",
                "details": [
                  {
                    "code": "advisories_no_publication_date",
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                ],
                "max_points": 40
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            ]
          },
          {
            "key": "malicious_dependencies",
            "band": "exceptional",
            "name": "Malicious dependencies",
            "note": null,
            "notes": [],
            "value": 100,
            "inputs": {
              "source": "osv",
              "meaning": "reported as a malicious package by the OpenSSF corpus; the remedy is removal or moving off the compromised name, never an upgrade of the same artifact. Versions the registry has since pulled are listed but not scored",
              "packages": [],
              "red_flag": false,
              "assessed_packages": 63,
              "malicious_packages": 0,
              "direct_malicious_packages": 0,
              "withdrawn_malicious_packages": 0,
              "installable_malicious_packages": 0
            },
            "components": [
              {
                "key": "no_dependency_reported_as_a_malicious_package",
                "name": "No dependency reported as a malicious package",
                "detail": "no dependency is reported as a malicious package",
                "points": 100,
                "status": "met",
                "details": [
                  {
                    "code": "no_malicious_dependencies",
                    "params": {}
                  }
                ],
                "max_points": 100
              }
            ]
          },
          {
            "key": "high_risk_jurisdiction_exposure",
            "band": "exceptional",
            "name": "High-Risk Jurisdiction Exposure",
            "note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
            "notes": [
              {
                "code": "jurisdiction_evidence_limits",
                "params": {}
              }
            ],
            "value": 100,
            "inputs": {
              "meaning": "self-published location evidence; not nationality or citizenship",
              "red_flag": false,
              "exposures": [],
              "policy_countries": [
                "Russia",
                "Iran",
                "North Korea"
              ],
              "commit_weight_rule": {
                "min_commits": 50,
                "min_commit_share": 0.1
              },
              "review_only_matches": 0,
              "below_threshold_exposures": [],
              "assessed_self_published_locations": 7
            },
            "components": [
              {
                "key": "policy_exposure_multiplier",
                "name": "Policy exposure multiplier",
                "detail": "no confirmed policy-scope location match",
                "points": 100,
                "status": "met",
                "details": [
                  {
                    "code": "jurisdiction_no_match",
                    "params": {}
                  }
                ],
                "max_points": 100
              }
            ]
          }
        ],
        "description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
      },
      {
        "key": "ai_readiness",
        "band": "moderate",
        "name": "AI Readiness",
        "value": 59,
        "weight": 0.04,
        "metrics": [
          {
            "key": "ai_agent_context",
            "band": "weak",
            "name": "Agent context & guidance",
            "note": null,
            "notes": [],
            "value": 40,
            "inputs": {
              "has_llms_txt": false,
              "legible_history_share": 0.938,
              "agent_instruction_files": [],
              "agent_instruction_max_bytes": null
            },
            "components": [
              {
                "key": "agent_instructions",
                "name": "Agent instructions",
                "detail": "no CLAUDE.md / AGENTS.md / editor rules",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "no_agent_instructions",
                    "params": {}
                  }
                ],
                "max_points": 45
              },
              {
                "key": "machine_readable_docs_llms_txt",
                "name": "Machine-readable docs (llms.txt)",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 15
              },
              {
                "key": "legible_commit_history",
                "name": "Legible commit history",
                "detail": "91 of 97 human commits state their intent (structured subject or explanatory body)",
                "points": 40,
                "status": "met",
                "details": [
                  {
                    "code": "legible_history",
                    "params": {
                      "legible": 91,
                      "sampled": 97
                    }
                  }
                ],
                "max_points": 40
              }
            ]
          },
          {
            "key": "ai_verify_loop",
            "band": "good",
            "name": "Verify loop (build / test / typecheck)",
            "note": null,
            "notes": [],
            "value": 65,
            "inputs": {
              "has_nix": false,
              "has_tests": true,
              "lockfiles": [
                "package-lock.json"
              ],
              "has_dockerfile": false,
              "typed_language": true,
              "bootstrap_files": [],
              "has_devcontainer": false,
              "has_linter_config": true,
              "typecheck_configs": [
                "tsconfig.json"
              ],
              "agent_commit_share": 0,
              "toolchain_manifests": [],
              "dependency_bot_commit_share": 0.03
            },
            "components": [
              {
                "key": "one_command_bootstrap",
                "name": "One-command bootstrap",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 18
              },
              {
                "key": "automated_tests",
                "name": "Automated tests",
                "detail": null,
                "points": 22,
                "status": "met",
                "details": [],
                "max_points": 22
              },
              {
                "key": "lint_format_config",
                "name": "Lint / format config",
                "detail": "eslint.config.mjs",
                "points": 11,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "eslint.config.mjs"
                    }
                  }
                ],
                "max_points": 11
              },
              {
                "key": "static_type_checking",
                "name": "Static type checking",
                "detail": "tsconfig.json",
                "points": 11,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "tsconfig.json"
                    }
                  }
                ],
                "max_points": 11
              },
              {
                "key": "reproducible_environment",
                "name": "Reproducible environment",
                "detail": "lockfile",
                "points": 10,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "lockfile"
                    }
                  }
                ],
                "max_points": 10
              },
              {
                "key": "demonstrated_agent_practice",
                "name": "Demonstrated agent practice",
                "detail": "no agent-authored commits among the last 100",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "no_agent_authored_commits",
                    "params": {
                      "sampled": 100
                    }
                  }
                ],
                "max_points": 10
              },
              {
                "key": "automated_maintenance",
                "name": "Automated maintenance",
                "detail": "3 of the last 100 commits are automated dependency updates",
                "points": 8,
                "status": "met",
                "details": [
                  {
                    "code": "dependency_bot_commits",
                    "params": {
                      "count": 3,
                      "sampled": 100
                    }
                  }
                ],
                "max_points": 8
              },
              {
                "key": "openssf_scorecard_pinned_dependencies",
                "name": "OpenSSF Scorecard: Pinned-Dependencies",
                "detail": "dependency not pinned by hash detected -- score normalized to 3",
                "points": 3,
                "status": "partial",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "ai_code_legibility",
            "band": "exceptional",
            "name": "Code legibility for models",
            "note": null,
            "notes": [],
            "value": 99,
            "inputs": {
              "primary_language": "TypeScript",
              "largest_source_bytes": 155852,
              "source_files_sampled": 69,
              "oversized_source_files": 1
            },
            "components": [
              {
                "key": "type_checkable_code",
                "name": "Type-checkable code",
                "detail": "TypeScript (statically typed)",
                "points": 45,
                "status": "met",
                "details": [
                  {
                    "code": "statically_typed_language",
                    "params": {
                      "language": "TypeScript"
                    }
                  }
                ],
                "max_points": 45
              },
              {
                "key": "manageable_file_sizes",
                "name": "Manageable file sizes",
                "detail": "1/69 source files over 60KB",
                "points": 54.2,
                "status": "partial",
                "details": [
                  {
                    "code": "oversized_source_files",
                    "params": {
                      "kb": 60,
                      "sampled": 69,
                      "oversized": 1
                    }
                  }
                ],
                "max_points": 55
              }
            ]
          },
          {
            "key": "ai_interfaces",
            "band": "weak",
            "name": "Machine-readable interfaces",
            "note": null,
            "notes": [],
            "value": 40,
            "inputs": {
              "example_dirs": [
                "examples"
              ],
              "has_mcp_signal": false,
              "api_schema_files": []
            },
            "components": [
              {
                "key": "api_schema_openapi_graphql_proto",
                "name": "API schema (OpenAPI/GraphQL/proto)",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 40
              },
              {
                "key": "mcp_server",
                "name": "MCP server",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 20
              },
              {
                "key": "runnable_examples",
                "name": "Runnable examples",
                "detail": "examples",
                "points": 40,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "examples"
                    }
                  }
                ],
                "max_points": 40
              }
            ]
          }
        ],
        "description": "How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight: agent tooling is a real maintenance signal, but its absence must never gate the top of the scale (calibration saturates at raw 91, so 100/100 remains reachable with AI Readiness at zero)."
      }
    ],
    "classification": {
      "top": [
        "library"
      ],
      "labels": [
        "library"
      ],
      "scores": {
        "library": 8
      },
      "primary": "library",
      "evidence": [
        {
          "tier": "declared",
          "label": "library",
          "source": "npm.entry",
          "weight": 8
        }
      ],
      "artifacts": [
        {
          "path": "package.json",
          "labels": [
            "library"
          ],
          "ecosystem": "npm"
        }
      ],
      "confidence": "high",
      "host_extension": false,
      "runs_as_process": false,
      "consumed_by_code": true
    },
    "metrics_version": "2.5.0"
  },
  "warnings": [
    "Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token",
    "Community profile unavailable",
    "npm package '@dsnp/parquetjs' points at a different repository (https://github.com/LibertyDSNP/parquetjs); excluded from ecosystem scoring"
  ],
  "report_type": "repository",
  "generated_at": "2026-08-05T09:12:16.631291Z",
  "schema_version": "0.31.0",
  "badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/f/frequency-chain/parquetjs.svg",
  "full_name": "frequency-chain/parquetjs",
  "license_state": "standard",
  "license_spdx": "MIT"
}