refactor: Still trying to reorganize edit mode to be more robust

node_modules/@csstools/css-tokenizer/CHANGELOG.md

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+# Changes to CSS Tokenizer
+
+### 3.0.4
+
+_May 27, 2025_
+
+- align serializers with CSSOM
+
+[Full CHANGELOG](https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer/CHANGELOG.md)

node_modules/@csstools/css-tokenizer/LICENSE.md

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+The MIT License (MIT)
+
+Copyright 2022 Romain Menke, Antonio Laguna <antonio@laguna.es>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

node_modules/@csstools/css-tokenizer/README.md

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+# 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

node_modules/@csstools/css-tokenizer/package.json

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+{
+	"name": "@csstools/css-tokenizer",
+	"description": "Tokenize CSS",
+	"version": "3.0.4",
+	"contributors": [
+		{
+			"name": "Antonio Laguna",
+			"email": "antonio@laguna.es",
+			"url": "https://antonio.laguna.es"
+		},
+		{
+			"name": "Romain Menke",
+			"email": "romainmenke@gmail.com"
+		}
+	],
+	"license": "MIT",
+	"funding": [
+		{
+			"type": "github",
+			"url": "https://github.com/sponsors/csstools"
+		},
+		{
+			"type": "opencollective",
+			"url": "https://opencollective.com/csstools"
+		}
+	],
+	"engines": {
+		"node": ">=18"
+	},
+	"type": "module",
+	"main": "dist/index.cjs",
+	"module": "dist/index.mjs",
+	"exports": {
+		".": {
+			"import": {
+				"types": "./dist/index.d.ts",
+				"default": "./dist/index.mjs"
+			},
+			"require": {
+				"default": "./dist/index.cjs"
+			}
+		}
+	},
+	"files": [
+		"CHANGELOG.md",
+		"LICENSE.md",
+		"README.md",
+		"dist"
+	],
+	"scripts": {},
+	"homepage": "https://github.com/csstools/postcss-plugins/tree/main/packages/css-tokenizer#readme",
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/csstools/postcss-plugins.git",
+		"directory": "packages/css-tokenizer"
+	},
+	"bugs": "https://github.com/csstools/postcss-plugins/issues",
+	"keywords": [
+		"css",
+		"tokenizer"
+	]
+}