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.gitattributes

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README.md

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+---
+pretty_name: CoffeeScript Code Suite
+language:
+- code
+license:
+- mit
+- apache-2.0
+- bsd-2-clause
+- bsd-3-clause
+- isc
+size_categories:
+- 10K<n<100K
+task_categories:
+- text-generation
+- text2text-generation
+tags:
+- code
+- coffeescript
+- javascript
+- translation
+- completion
+- permissive-license
+source_datasets:
+- original
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: train.jsonl
+  - split: validation
+    path: validation.jsonl
+  - split: test
+    path: test.jsonl
+---
+
+# CoffeeScript Code Suite
+
+CoffeeScript Code Suite is a public code dataset built from permissively licensed open-source CoffeeScript repositories. It is designed for three practical uses:
+
+1. CoffeeScript domain adaptation and continued pretraining through `raw_corpus` examples.
+2. CoffeeScript completion training through `completion` examples.
+3. CoffeeScript and JavaScript translation training through `coffee_to_js` and `js_to_coffee` examples.
+
+The dataset was assembled automatically from public GitHub repositories and includes both current repository snapshots and selected historical file versions from git history. Each record keeps source provenance so downstream users can audit where the code came from.
+
+## Dataset Summary
+
+- Name: `CoffeeScript Code Suite`
+- Suggested Hub repo name: `brody/coffeescript-code-suite`
+- Records: `49,491`
+- Training split: `44,535`
+- Validation split: `2,481`
+- Test split: `2,475`
+- Source repositories: `79`
+- Raw candidate chunks: `14,682`
+- Compilable translation chunks: `10,313`
+
+### Record Types
+
+- `raw_corpus`: raw CoffeeScript snippets for code-language modeling.
+- `completion`: prefix-to-continuation CoffeeScript completion samples.
+- `coffee_to_js`: CoffeeScript to JavaScript translation pairs.
+- `js_to_coffee`: JavaScript to CoffeeScript translation pairs.
+
+## Data Schema
+
+Each line is a JSON object. Common fields:
+
+```json
+{
+  "id": "owner/repo:path:chunk:type",
+  "type": "coffee_to_js",
+  "prompt": "Convert this CoffeeScript to JavaScript...\n```coffeescript\n...\n```",
+  "response": "...",
+  "source_lang": "CoffeeScript",
+  "target_lang": "JavaScript",
+  "repo": "owner/repo",
+  "path": "src/example.coffee",
+  "license": "MIT",
+  "commit": "abcdef123456",
+  "stars": 1234,
+  "source_url": "https://github.com/owner/repo/blob/abcdef123456/src/example.coffee",
+  "line_start": 1,
+  "line_end": 42
+}
+```
+
+Notes:
+
+- `raw_corpus` records have an empty `prompt` and the CoffeeScript snippet in `response`.
+- `completion` records use a CoffeeScript prefix in `prompt` and the continuation in `response`.
+- Translation records contain executable source/target code pairs when compilation succeeded.
+
+## Source Collection Policy
+
+The dataset builder uses the following collection policy:
+
+- public GitHub repositories only
+- permissive licenses only
+- current repository snapshots plus selected historical CoffeeScript file versions
+- CoffeeScript files only
+- vendor, build, generated, docs, demos, and example-heavy paths filtered out
+- exact deduplication over normalized chunks
+
+Accepted license families in this release:
+
+- MIT
+- Apache-2.0
+- BSD-2-Clause
+- BSD-3-Clause
+- ISC
+
+## Construction Process
+
+The dataset was built with an automated pipeline that:
+
+1. discovers public CoffeeScript repositories
+2. clones repositories locally
+3. extracts `.coffee` files from repository heads and git history
+4. splits files into training-sized chunks
+5. compiles CoffeeScript chunks to JavaScript when possible
+6. creates completion and translation samples
+7. removes exact duplicates
+8. splits records into train, validation, and test sets
+
+## Quality Notes
+
+Strengths:
+
+- source provenance is retained for every record
+- dataset contains real-world CoffeeScript from multiple projects rather than synthetic-only samples
+- includes both direct code modeling and translation-style supervision
+- historical versions increase stylistic and temporal diversity
+
+Limitations:
+
+- this is an automatically generated dataset, not a hand-curated benchmark
+- some projects contribute more samples than others
+- `raw_corpus` and `completion` include chunks that may not compile in isolation
+- translation pairs only exist for chunks that compiled successfully
+- exact deduplication is applied, but near-duplicate code may still remain
+
+## Intended Uses
+
+Recommended uses:
+
+- continued pretraining or domain adaptation for code models with CoffeeScript support
+- SFT for CoffeeScript completion
+- JavaScript/CoffeeScript translation experiments
+- retrieval and evaluation experiments on legacy JavaScript ecosystem code
+
+Less suitable uses:
+
+- legal or security-sensitive compliance analysis
+- benchmark claims about general programming ability
+- direct deployment without additional filtering, evaluation, and safety review
+
+## Split Sizes
+
+```text
+train.jsonl       44,535
+validation.jsonl   2,481
+test.jsonl         2,475
+total             49,491
+```
+
+## Build Summary
+
+```json
+{
+  "repos": 79,
+  "files": 10586,
+  "chunks": 14682,
+  "candidates": 14682,
+  "compiled_ok": 10313,
+  "compile_failed": 4369,
+  "examples": 49491,
+  "train": 44535,
+  "validation": 2481,
+  "test": 2475
+}
+```
+
+## Provenance
+
+Each record contains:
+
+- repository name
+- repository-relative path
+- source commit
+- source URL
+- license label
+
+This makes the dataset auditable and easier to extend or prune.
+
+## Citation
+
+If you use this dataset, cite the dataset repository and the original upstream repositories referenced in the provenance fields.

train.jsonl

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+version https://git-lfs.github.com/spec/v1
+oid sha256:62422659b0d68c0e8cfe2a56b8dae7309cb9714e021e1feec568467f5ede7981
+size 97665825