tftsr-devops_investigation/node_modules/@csstools/css-tokenizer/README.md
Shaun Arman 8839075805 feat: initial implementation of TFTSR IT Triage & RCA application
Implements Phases 1-8 of the TFTSR implementation plan.

Rust backend (Tauri 2.x, src-tauri/):
- Multi-provider AI: OpenAI-compatible, Anthropic, Gemini, Mistral, Ollama
- PII detection engine: 11 regex patterns with overlap resolution
- SQLCipher AES-256 encrypted database with 10 versioned migrations
- 28 Tauri IPC commands for triage, analysis, document, and system ops
- Ollama: hardware probe, model recommendations, pull/delete with events
- RCA and blameless post-mortem Markdown document generators
- PDF export via printpdf
- Audit log: SHA-256 hash of every external data send
- Integration stubs for Confluence, ServiceNow, Azure DevOps (v0.2)

Frontend (React 18 + TypeScript + Vite, src/):
- 9 pages: full triage workflow NewIssue→LogUpload→Triage→Resolution→RCA→Postmortem→History+Settings
- 7 components: ChatWindow, TriageProgress, PiiDiffViewer, DocEditor, HardwareReport, ModelSelector, UI primitives
- 3 Zustand stores: session, settings (persisted), history
- Type-safe tauriCommands.ts matching Rust backend types exactly
- 8 IT domain system prompts (Linux, Windows, Network, K8s, DB, Virt, HW, Obs)

DevOps:
- .woodpecker/test.yml: rustfmt, clippy, cargo test, tsc, vitest on every push
- .woodpecker/release.yml: linux/amd64 + linux/arm64 builds, Gogs release upload

Verified:
- cargo check: zero errors
- tsc --noEmit: zero errors
- vitest run: 13/13 unit tests passing

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
2026-03-14 22:36:25 -05:00

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2.4 KiB
Markdown

# CSS Tokenizer <img src="https://cssdb.org/images/css.svg" alt="for CSS" width="90" height="90" align="right">
[<img alt="npm version" src="https://img.shields.io/npm/v/@csstools/css-tokenizer.svg" height="20">][npm-url]
[<img alt="Build Status" src="https://github.com/csstools/postcss-plugins/actions/workflows/test.yml/badge.svg?branch=main" height="20">][cli-url]
[<img alt="Discord" src="https://shields.io/badge/Discord-5865F2?logo=discord&logoColor=white">][discord]
Implemented from : https://www.w3.org/TR/2021/CRD-css-syntax-3-20211224/
## API
[Read the API docs](./docs/css-tokenizer.md)
## Usage
Add [CSS Tokenizer] to your project:
```bash
npm install @csstools/css-tokenizer --save-dev
```
```js
import { tokenizer, TokenType } from '@csstools/css-tokenizer';
const myCSS = `@media only screen and (min-width: 768rem) {
.foo {
content: 'Some content!' !important;
}
}
`;
const t = tokenizer({
css: myCSS,
});
while (true) {
const token = t.nextToken();
if (token[0] === TokenType.EOF) {
break;
}
console.log(token);
}
```
Or use the `tokenize` helper function:
```js
import { tokenize } from '@csstools/css-tokenizer';
const myCSS = `@media only screen and (min-width: 768rem) {
.foo {
content: 'Some content!' !important;
}
}
`;
const tokens = tokenize({
css: myCSS,
});
console.log(tokens);
```
### Options
```ts
{
onParseError?: (error: ParseError) => void
}
```
#### `onParseError`
The tokenizer is forgiving and won't stop when a parse error is encountered.
To receive parsing error information you can set a callback.
```js
import { tokenizer, TokenType } from '@csstools/css-tokenizer';
const t = tokenizer({
css: '\\',
}, { onParseError: (err) => console.warn(err) });
while (true) {
const token = t.nextToken();
if (token[0] === TokenType.EOF) {
break;
}
}
```
Parser errors will try to inform you where in the tokenizer logic the error happened.
This tells you what kind of error occurred.
## Goals and non-goals
Things this package aims to be:
- specification compliant CSS tokenizer
- a reliable low level package to be used in CSS parsers
What it is not:
- opinionated
- fast
- small
[cli-url]: https://github.com/csstools/postcss-plugins/actions/workflows/test.yml?query=workflow/test
[discord]: https://discord.gg/bUadyRwkJS
[npm-url]: https://www.npmjs.com/package/@csstools/css-tokenizer
[CSS Tokenizer]: https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer