feat: docker compose maybe

node_modules/css-tree/lib/generator/create.js

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+import { tokenize, Delim, WhiteSpace } from '../tokenizer/index.js';
+import { generateSourceMap } from './sourceMap.js';
+import * as tokenBefore from './token-before.js';
+
+const REVERSESOLIDUS = 0x005c; // U+005C REVERSE SOLIDUS (\)
+
+function processChildren(node, delimeter) {
+    if (typeof delimeter === 'function') {
+        let prev = null;
+
+        node.children.forEach(node => {
+            if (prev !== null) {
+                delimeter.call(this, prev);
+            }
+
+            this.node(node);
+            prev = node;
+        });
+
+        return;
+    }
+
+    node.children.forEach(this.node, this);
+}
+
+function processChunk(chunk) {
+    tokenize(chunk, (type, start, end) => {
+        this.token(type, chunk.slice(start, end));
+    });
+}
+
+export function createGenerator(config) {
+    const types = new Map();
+
+    for (let name in config.node) {
+        const item = config.node[name];
+        const fn = item.generate || item;
+
+        if (typeof fn === 'function') {
+            types.set(name, item.generate || item);
+        }
+    }
+
+    return function(node, options) {
+        let buffer = '';
+        let prevCode = 0;
+        let handlers = {
+            node(node) {
+                if (types.has(node.type)) {
+                    types.get(node.type).call(publicApi, node);
+                } else {
+                    throw new Error('Unknown node type: ' + node.type);
+                }
+            },
+            tokenBefore: tokenBefore.safe,
+            token(type, value) {
+                prevCode = this.tokenBefore(prevCode, type, value);
+
+                this.emit(value, type, false);
+
+                if (type === Delim && value.charCodeAt(0) === REVERSESOLIDUS) {
+                    this.emit('\n', WhiteSpace, true);
+                }
+            },
+            emit(value) {
+                buffer += value;
+            },
+            result() {
+                return buffer;
+            }
+        };
+
+        if (options) {
+            if (typeof options.decorator === 'function') {
+                handlers = options.decorator(handlers);
+            }
+
+            if (options.sourceMap) {
+                handlers = generateSourceMap(handlers);
+            }
+
+            if (options.mode in tokenBefore) {
+                handlers.tokenBefore = tokenBefore[options.mode];
+            }
+        }
+
+        const publicApi = {
+            node: (node) => handlers.node(node),
+            children: processChildren,
+            token: (type, value) => handlers.token(type, value),
+            tokenize: processChunk
+        };
+
+        handlers.node(node);
+
+        return handlers.result();
+    };
+};

node_modules/css-tree/lib/generator/index.js

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+import { createGenerator } from './create.js';
+import config from '../syntax/config/generator.js';
+
+export default createGenerator(config);

node_modules/css-tree/lib/generator/sourceMap.js

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+import { SourceMapGenerator } from 'source-map-js/lib/source-map-generator.js';
+
+const trackNodes = new Set(['Atrule', 'Selector', 'Declaration']);
+
+export function generateSourceMap(handlers) {
+    const map = new SourceMapGenerator();
+    const generated = {
+        line: 1,
+        column: 0
+    };
+    const original = {
+        line: 0, // should be zero to add first mapping
+        column: 0
+    };
+    const activatedGenerated = {
+        line: 1,
+        column: 0
+    };
+    const activatedMapping = {
+        generated: activatedGenerated
+    };
+    let line = 1;
+    let column = 0;
+    let sourceMappingActive = false;
+
+    const origHandlersNode = handlers.node;
+    handlers.node = function(node) {
+        if (node.loc && node.loc.start && trackNodes.has(node.type)) {
+            const nodeLine = node.loc.start.line;
+            const nodeColumn = node.loc.start.column - 1;
+
+            if (original.line !== nodeLine ||
+                original.column !== nodeColumn) {
+                original.line = nodeLine;
+                original.column = nodeColumn;
+
+                generated.line = line;
+                generated.column = column;
+
+                if (sourceMappingActive) {
+                    sourceMappingActive = false;
+                    if (generated.line !== activatedGenerated.line ||
+                        generated.column !== activatedGenerated.column) {
+                        map.addMapping(activatedMapping);
+                    }
+                }
+
+                sourceMappingActive = true;
+                map.addMapping({
+                    source: node.loc.source,
+                    original,
+                    generated
+                });
+            }
+        }
+
+        origHandlersNode.call(this, node);
+
+        if (sourceMappingActive && trackNodes.has(node.type)) {
+            activatedGenerated.line = line;
+            activatedGenerated.column = column;
+        }
+    };
+
+    const origHandlersEmit = handlers.emit;
+    handlers.emit = function(value, type, auto) {
+        for (let i = 0; i < value.length; i++) {
+            if (value.charCodeAt(i) === 10) { // \n
+                line++;
+                column = 0;
+            } else {
+                column++;
+            }
+        }
+
+        origHandlersEmit(value, type, auto);
+    };
+
+    const origHandlersResult = handlers.result;
+    handlers.result = function() {
+        if (sourceMappingActive) {
+            map.addMapping(activatedMapping);
+        }
+
+        return {
+            css: origHandlersResult(),
+            map
+        };
+    };
+
+    return handlers;
+};

node_modules/css-tree/lib/generator/token-before.js

@@ -0,0 +1,182 @@
+import {
+    WhiteSpace,
+    Delim,
+    Ident,
+    Function as FunctionToken,
+    Url,
+    BadUrl,
+    AtKeyword,
+    Hash,
+    Percentage,
+    Dimension,
+    Number as NumberToken,
+    String as StringToken,
+    Colon,
+    LeftParenthesis,
+    RightParenthesis,
+    CDC
+} from '../tokenizer/index.js';
+
+const PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)
+const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)
+
+const code = (type, value) => {
+    if (type === Delim) {
+        type = value;
+    }
+
+    if (typeof type === 'string') {
+        const charCode = type.charCodeAt(0);
+        return charCode > 0x7F ? 0x8000 : charCode << 8;
+    }
+
+    return type;
+};
+
+// https://www.w3.org/TR/css-syntax-3/#serialization
+// The only requirement for serialization is that it must "round-trip" with parsing,
+// that is, parsing the stylesheet must produce the same data structures as parsing,
+// serializing, and parsing again, except for consecutive <whitespace-token>s,
+// which may be collapsed into a single token.
+
+const specPairs = [
+    [Ident, Ident],
+    [Ident, FunctionToken],
+    [Ident, Url],
+    [Ident, BadUrl],
+    [Ident, '-'],
+    [Ident, NumberToken],
+    [Ident, Percentage],
+    [Ident, Dimension],
+    [Ident, CDC],
+    [Ident, LeftParenthesis],
+
+    [AtKeyword, Ident],
+    [AtKeyword, FunctionToken],
+    [AtKeyword, Url],
+    [AtKeyword, BadUrl],
+    [AtKeyword, '-'],
+    [AtKeyword, NumberToken],
+    [AtKeyword, Percentage],
+    [AtKeyword, Dimension],
+    [AtKeyword, CDC],
+
+    [Hash, Ident],
+    [Hash, FunctionToken],
+    [Hash, Url],
+    [Hash, BadUrl],
+    [Hash, '-'],
+    [Hash, NumberToken],
+    [Hash, Percentage],
+    [Hash, Dimension],
+    [Hash, CDC],
+
+    [Dimension, Ident],
+    [Dimension, FunctionToken],
+    [Dimension, Url],
+    [Dimension, BadUrl],
+    [Dimension, '-'],
+    [Dimension, NumberToken],
+    [Dimension, Percentage],
+    [Dimension, Dimension],
+    [Dimension, CDC],
+
+    ['#', Ident],
+    ['#', FunctionToken],
+    ['#', Url],
+    ['#', BadUrl],
+    ['#', '-'],
+    ['#', NumberToken],
+    ['#', Percentage],
+    ['#', Dimension],
+    ['#', CDC], // https://github.com/w3c/csswg-drafts/pull/6874
+
+    ['-', Ident],
+    ['-', FunctionToken],
+    ['-', Url],
+    ['-', BadUrl],
+    ['-', '-'],
+    ['-', NumberToken],
+    ['-', Percentage],
+    ['-', Dimension],
+    ['-', CDC], // https://github.com/w3c/csswg-drafts/pull/6874
+
+    [NumberToken, Ident],
+    [NumberToken, FunctionToken],
+    [NumberToken, Url],
+    [NumberToken, BadUrl],
+    [NumberToken, NumberToken],
+    [NumberToken, Percentage],
+    [NumberToken, Dimension],
+    [NumberToken, '%'],
+    [NumberToken, CDC], // https://github.com/w3c/csswg-drafts/pull/6874
+
+    ['@', Ident],
+    ['@', FunctionToken],
+    ['@', Url],
+    ['@', BadUrl],
+    ['@', '-'],
+    ['@', CDC], // https://github.com/w3c/csswg-drafts/pull/6874
+
+    ['.', NumberToken],
+    ['.', Percentage],
+    ['.', Dimension],
+
+    ['+', NumberToken],
+    ['+', Percentage],
+    ['+', Dimension],
+
+    ['/', '*']
+];
+// validate with scripts/generate-safe
+const safePairs = specPairs.concat([
+    [Ident, Hash],
+
+    [Dimension, Hash],
+
+    [Hash, Hash],
+
+    [AtKeyword, LeftParenthesis],
+    [AtKeyword, StringToken],
+    [AtKeyword, Colon],
+
+    [Percentage, Percentage],
+    [Percentage, Dimension],
+    [Percentage, FunctionToken],
+    [Percentage, '-'],
+
+    [RightParenthesis, Ident],
+    [RightParenthesis, FunctionToken],
+    [RightParenthesis, Percentage],
+    [RightParenthesis, Dimension],
+    [RightParenthesis, Hash],
+    [RightParenthesis, '-']
+]);
+
+function createMap(pairs) {
+    const isWhiteSpaceRequired = new Set(
+        pairs.map(([prev, next]) => (code(prev) << 16 | code(next)))
+    );
+
+    return function(prevCode, type, value) {
+        const nextCode = code(type, value);
+        const nextCharCode = value.charCodeAt(0);
+        const emitWs =
+            (nextCharCode === HYPHENMINUS &&
+                type !== Ident &&
+                type !== FunctionToken &&
+                type !== CDC) ||
+            (nextCharCode === PLUSSIGN)
+                ? isWhiteSpaceRequired.has(prevCode << 16 | nextCharCode << 8)
+                : isWhiteSpaceRequired.has(prevCode << 16 | nextCode);
+
+        if (emitWs) {
+            this.emit(' ', WhiteSpace, true);
+        }
+
+        return nextCode;
+    };
+}
+
+export const spec = createMap(specPairs);
+export const safe = createMap(safePairs);