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Release Diff Tools 0.2.0
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zemion
2026-09-02 04:43:16 +02:00
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README.md
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Compare text and structured data locally in the browser.
Diff Tools is a standalone, local-first application in the [add·ideas Toolbox](https://git.add-ideas.de/lotobo/toolbox-portal). Inputs are processed in a disposable browser worker and are never uploaded by the application.
Diff Tools is a standalone, local-first application in the [add·ideas Toolbox](https://git.add-ideas.de/lotobo/toolbox-portal). Inputs are processed through the shared cancellable disposable-worker protocol, with an algorithm budget and a 15-second hard worker deadline, and are never uploaded by the application.
## Version 0.1 scope
## Version 0.2 scope
- Text diff by line, word, Unicode code point or grapheme cluster, with exact LF, CRLF, CR and final-newline state.
- Explicit text comparison rules for case, whitespace, line endings, final newline and Unicode normalization. Normalized differences stay visible.
- Semantic JSON comparison with duplicate-key rejection, exact decimal numbers, object-order reporting and RFC 6902 output when representable.
- Namespace-aware XML comparison with visible prefix, attribute-order, comment, whitespace and CDATA normalization. DOCTYPE, entity declarations and XInclude are rejected.
- CSV and TSV comparison by one or more unique key columns, including duplicate-key diagnostics, string-preserving fields and visible column/row order changes.
- Build deterministic relative-path directory manifests with local SHA-256 hashing, bounded two-file concurrency and conservative collision checks; export/import manifests and compare them without retaining file contents.
- Perform a bounded, line-preserving three-way text merge from base/ours/theirs, with non-overlapping edits combined and explicit ours/base/theirs markers plus a JSON report for every conflict.
- Unified and side-by-side views, an exact unified text patch and a portable, versioned JSON report.
- Stable-last-result interaction: invalid or unfinished input does not blank the previous successful result.
This version intentionally does not compare images, binary documents, directories or archives.
This version does not interpret images, binary documents or archives. Directory comparison is content-digest based and cannot represent empty directories because browser directory selection exposes files only. Three-way merge is textual rather than a semantic JSON/XML merge.
## Safety limits
Each input is limited to 8 MiB and 4 million characters. Parsing and output also have explicit row, cell, token, node, nesting, edit-count, time and display limits. Imported values are rendered as React text nodes; parser-provided HTML is never inserted. See [privacy and security](docs/PRIVACY-SECURITY.md).
Each ordinary or merge input is limited to 8 MiB and 4 million characters. Directory manifests are limited to 5,000 files, 512 MiB total, 256 MiB per file, 4,096-character relative paths and two concurrent hashes. Parsing and output also have explicit row, cell, token, node, nesting, edit-count, conflict-count, time and display limits. Imported values are rendered as React text nodes; parser-provided HTML is never inserted. See [privacy and security](docs/PRIVACY-SECURITY.md).
## Development
@@ -38,7 +40,7 @@ The browser suite builds and serves the app below `/deep/nested/diff/`, blocks e
npm run release:artifact
```
This creates deterministic `release/diff-tools-0.1.0.zip` and `.sha256` files after all validation gates pass.
This creates deterministic `release/diff-tools-0.2.0.zip` and `.sha256` files after all validation gates pass.
## Licence