node: updatemain

1 files changed, 0 insertions, 196 deletions

diff --git a/node_modules/csso/lib/compress.js b/node_modules/csso/lib/compress.js
deleted file mode 100644
index 4c4fb4fc..00000000
--- a/node_modules/csso/lib/compress.js
+++ /dev/null
@@ -1,196 +0,0 @@
-import { List, clone, walk } from 'css-tree';
-import { buildIndex } from './usage.js';
-import clean from './clean/index.js';
-import replace from './replace/index.js';
-import restructure from './restructure/index.js';
-
-function readChunk(input, specialComments) {
-    const children = new List();
-    let nonSpaceTokenInBuffer = false;
-    let protectedComment;
-
-    input.nextUntil(input.head, (node, item, list) => {
-        if (node.type === 'Comment') {
-            if (!specialComments || node.value.charAt(0) !== '!') {
-                list.remove(item);
-                return;
-            }
-
-            if (nonSpaceTokenInBuffer || protectedComment) {
-                return true;
-            }
-
-            list.remove(item);
-            protectedComment = node;
-
-            return;
-        }
-
-        if (node.type !== 'WhiteSpace') {
-            nonSpaceTokenInBuffer = true;
-        }
-
-        children.insert(list.remove(item));
-    });
-
-    return {
-        comment: protectedComment,
-        stylesheet: {
-            type: 'StyleSheet',
-            loc: null,
-            children
-        }
-    };
-}
-
-function compressChunk(ast, firstAtrulesAllowed, num, options) {
-    options.logger(`Compress block #${num}`, null, true);
-
-    let seed = 1;
-
-    if (ast.type === 'StyleSheet') {
-        ast.firstAtrulesAllowed = firstAtrulesAllowed;
-        ast.id = seed++;
-    }
-
-    walk(ast, {
-        visit: 'Atrule',
-        enter(node) {
-            if (node.block !== null) {
-                node.block.id = seed++;
-            }
-        }
-    });
-    options.logger('init', ast);
-
-    // remove redundant
-    clean(ast, options);
-    options.logger('clean', ast);
-
-    // replace nodes for shortened forms
-    replace(ast, options);
-    options.logger('replace', ast);
-
-    // structure optimisations
-    if (options.restructuring) {
-        restructure(ast, options);
-    }
-
-    return ast;
-}
-
-function getCommentsOption(options) {
-    let comments = 'comments' in options ? options.comments : 'exclamation';
-
-    if (typeof comments === 'boolean') {
-        comments = comments ? 'exclamation' : false;
-    } else if (comments !== 'exclamation' && comments !== 'first-exclamation') {
-        comments = false;
-    }
-
-    return comments;
-}
-
-function getRestructureOption(options) {
-    if ('restructure' in options) {
-        return options.restructure;
-    }
-
-    return 'restructuring' in options ? options.restructuring : true;
-}
-
-function wrapBlock(block) {
-    return new List().appendData({
-        type: 'Rule',
-        loc: null,
-        prelude: {
-            type: 'SelectorList',
-            loc: null,
-            children: new List().appendData({
-                type: 'Selector',
-                loc: null,
-                children: new List().appendData({
-                    type: 'TypeSelector',
-                    loc: null,
-                    name: 'x'
-                })
-            })
-        },
-        block
-    });
-}
-
-export default function compress(ast, options) {
-    ast = ast || { type: 'StyleSheet', loc: null, children: new List() };
-    options = options || {};
-
-    const compressOptions = {
-        logger: typeof options.logger === 'function' ? options.logger : function() {},
-        restructuring: getRestructureOption(options),
-        forceMediaMerge: Boolean(options.forceMediaMerge),
-        usage: options.usage ? buildIndex(options.usage) : false
-    };
-    const output = new List();
-    let specialComments = getCommentsOption(options);
-    let firstAtrulesAllowed = true;
-    let input;
-    let chunk;
-    let chunkNum = 1;
-    let chunkChildren;
-
-    if (options.clone) {
-        ast = clone(ast);
-    }
-
-    if (ast.type === 'StyleSheet') {
-        input = ast.children;
-        ast.children = output;
-    } else {
-        input = wrapBlock(ast);
-    }
-
-    do {
-        chunk = readChunk(input, Boolean(specialComments));
-        compressChunk(chunk.stylesheet, firstAtrulesAllowed, chunkNum++, compressOptions);
-        chunkChildren = chunk.stylesheet.children;
-
-        if (chunk.comment) {
-            // add \n before comment if there is another content in output
-            if (!output.isEmpty) {
-                output.insert(List.createItem({
-                    type: 'Raw',
-                    value: '\n'
-                }));
-            }
-
-            output.insert(List.createItem(chunk.comment));
-
-            // add \n after comment if chunk is not empty
-            if (!chunkChildren.isEmpty) {
-                output.insert(List.createItem({
-                    type: 'Raw',
-                    value: '\n'
-                }));
-            }
-        }
-
-        if (firstAtrulesAllowed && !chunkChildren.isEmpty) {
-            const lastRule = chunkChildren.last;
-
-            if (lastRule.type !== 'Atrule' ||
-               (lastRule.name !== 'import' && lastRule.name !== 'charset')) {
-                firstAtrulesAllowed = false;
-            }
-        }
-
-        if (specialComments !== 'exclamation') {
-            specialComments = false;
-        }
-
-        output.appendList(chunkChildren);
-    } while (!input.isEmpty);
-
-    return {
-        ast
-    };
-};