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monjack
2025-06-20 18:01:48 +08:00
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66
app_vue/node_modules/csso/lib/clean/Atrule.js generated vendored Normal file
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var resolveKeyword = require('css-tree').keyword;
var { hasNoChildren } = require('./utils');
module.exports = function cleanAtrule(node, item, list) {
if (node.block) {
// otherwise removed at-rule don't prevent @import for removal
if (this.stylesheet !== null) {
this.stylesheet.firstAtrulesAllowed = false;
}
if (hasNoChildren(node.block)) {
list.remove(item);
return;
}
}
switch (node.name) {
case 'charset':
if (hasNoChildren(node.prelude)) {
list.remove(item);
return;
}
// if there is any rule before @charset -> remove it
if (item.prev) {
list.remove(item);
return;
}
break;
case 'import':
if (this.stylesheet === null || !this.stylesheet.firstAtrulesAllowed) {
list.remove(item);
return;
}
// if there are some rules that not an @import or @charset before @import
// remove it
list.prevUntil(item.prev, function(rule) {
if (rule.type === 'Atrule') {
if (rule.name === 'import' || rule.name === 'charset') {
return;
}
}
this.root.firstAtrulesAllowed = false;
list.remove(item);
return true;
}, this);
break;
default:
var name = resolveKeyword(node.name).basename;
if (name === 'keyframes' ||
name === 'media' ||
name === 'supports') {
// drop at-rule with no prelude
if (hasNoChildren(node.prelude) || hasNoChildren(node.block)) {
list.remove(item);
}
}
}
};

3
app_vue/node_modules/csso/lib/clean/Comment.js generated vendored Normal file
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module.exports = function cleanComment(data, item, list) {
list.remove(item);
};

14
app_vue/node_modules/csso/lib/clean/Declaration.js generated vendored Normal file
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var property = require('css-tree').property;
module.exports = function cleanDeclartion(node, item, list) {
if (node.value.children && node.value.children.isEmpty()) {
list.remove(item);
return;
}
if (property(node.property).custom) {
if (/\S/.test(node.value.value)) {
node.value.value = node.value.value.trim();
}
}
};

9
app_vue/node_modules/csso/lib/clean/Raw.js generated vendored Normal file
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var { isNodeChildrenList } = require('./utils');
module.exports = function cleanRaw(node, item, list) {
// raw in stylesheet or block children
if (isNodeChildrenList(this.stylesheet, list) ||
isNodeChildrenList(this.block, list)) {
list.remove(item);
}
};

93
app_vue/node_modules/csso/lib/clean/Rule.js generated vendored Normal file
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var hasOwnProperty = Object.prototype.hasOwnProperty;
var walk = require('css-tree').walk;
var { hasNoChildren } = require('./utils');
function cleanUnused(selectorList, usageData) {
selectorList.children.each(function(selector, item, list) {
var shouldRemove = false;
walk(selector, function(node) {
// ignore nodes in nested selectors
if (this.selector === null || this.selector === selectorList) {
switch (node.type) {
case 'SelectorList':
// TODO: remove toLowerCase when pseudo selectors will be normalized
// ignore selectors inside :not()
if (this.function === null || this.function.name.toLowerCase() !== 'not') {
if (cleanUnused(node, usageData)) {
shouldRemove = true;
}
}
break;
case 'ClassSelector':
if (usageData.whitelist !== null &&
usageData.whitelist.classes !== null &&
!hasOwnProperty.call(usageData.whitelist.classes, node.name)) {
shouldRemove = true;
}
if (usageData.blacklist !== null &&
usageData.blacklist.classes !== null &&
hasOwnProperty.call(usageData.blacklist.classes, node.name)) {
shouldRemove = true;
}
break;
case 'IdSelector':
if (usageData.whitelist !== null &&
usageData.whitelist.ids !== null &&
!hasOwnProperty.call(usageData.whitelist.ids, node.name)) {
shouldRemove = true;
}
if (usageData.blacklist !== null &&
usageData.blacklist.ids !== null &&
hasOwnProperty.call(usageData.blacklist.ids, node.name)) {
shouldRemove = true;
}
break;
case 'TypeSelector':
// TODO: remove toLowerCase when type selectors will be normalized
// ignore universal selectors
if (node.name.charAt(node.name.length - 1) !== '*') {
if (usageData.whitelist !== null &&
usageData.whitelist.tags !== null &&
!hasOwnProperty.call(usageData.whitelist.tags, node.name.toLowerCase())) {
shouldRemove = true;
}
if (usageData.blacklist !== null &&
usageData.blacklist.tags !== null &&
hasOwnProperty.call(usageData.blacklist.tags, node.name.toLowerCase())) {
shouldRemove = true;
}
}
break;
}
}
});
if (shouldRemove) {
list.remove(item);
}
});
return selectorList.children.isEmpty();
}
module.exports = function cleanRule(node, item, list, options) {
if (hasNoChildren(node.prelude) || hasNoChildren(node.block)) {
list.remove(item);
return;
}
var usageData = options.usage;
if (usageData && (usageData.whitelist !== null || usageData.blacklist !== null)) {
cleanUnused(node.prelude, usageData);
if (hasNoChildren(node.prelude)) {
list.remove(item);
return;
}
}
};

19
app_vue/node_modules/csso/lib/clean/TypeSelector.js generated vendored Normal file
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// remove useless universal selector
module.exports = function cleanTypeSelector(node, item, list) {
var name = item.data.name;
// check it's a non-namespaced universal selector
if (name !== '*') {
return;
}
// remove when universal selector before other selectors
var nextType = item.next && item.next.data.type;
if (nextType === 'IdSelector' ||
nextType === 'ClassSelector' ||
nextType === 'AttributeSelector' ||
nextType === 'PseudoClassSelector' ||
nextType === 'PseudoElementSelector') {
list.remove(item);
}
};

30
app_vue/node_modules/csso/lib/clean/WhiteSpace.js generated vendored Normal file
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var { isNodeChildrenList } = require('./utils');
function isSafeOperator(node) {
return node.type === 'Operator' && node.value !== '+' && node.value !== '-';
}
module.exports = function cleanWhitespace(node, item, list) {
// remove when first or last item in sequence
if (item.next === null || item.prev === null) {
list.remove(item);
return;
}
// white space in stylesheet or block children
if (isNodeChildrenList(this.stylesheet, list) ||
isNodeChildrenList(this.block, list)) {
list.remove(item);
return;
}
if (item.next.data.type === 'WhiteSpace') {
list.remove(item);
return;
}
if (isSafeOperator(item.prev.data) || isSafeOperator(item.next.data)) {
list.remove(item);
return;
}
};

20
app_vue/node_modules/csso/lib/clean/index.js generated vendored Normal file
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var walk = require('css-tree').walk;
var handlers = {
Atrule: require('./Atrule'),
Comment: require('./Comment'),
Declaration: require('./Declaration'),
Raw: require('./Raw'),
Rule: require('./Rule'),
TypeSelector: require('./TypeSelector'),
WhiteSpace: require('./WhiteSpace')
};
module.exports = function(ast, options) {
walk(ast, {
leave: function(node, item, list) {
if (handlers.hasOwnProperty(node.type)) {
handlers[node.type].call(this, node, item, list, options);
}
}
});
};

8
app_vue/node_modules/csso/lib/clean/utils.js generated vendored Normal file
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module.exports = {
hasNoChildren: function(node) {
return !node || !node.children || node.children.isEmpty();
},
isNodeChildrenList: function(node, list) {
return node !== null && node.children === list;
}
};

197
app_vue/node_modules/csso/lib/compress.js generated vendored Normal file
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var List = require('css-tree').List;
var clone = require('css-tree').clone;
var usageUtils = require('./usage');
var clean = require('./clean');
var replace = require('./replace');
var restructure = require('./restructure');
var walk = require('css-tree').walk;
function readChunk(children, specialComments) {
var buffer = new List();
var nonSpaceTokenInBuffer = false;
var protectedComment;
children.nextUntil(children.head, function(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;
}
buffer.insert(list.remove(item));
});
return {
comment: protectedComment,
stylesheet: {
type: 'StyleSheet',
loc: null,
children: buffer
}
};
}
function compressChunk(ast, firstAtrulesAllowed, num, options) {
options.logger('Compress block #' + num, null, true);
var seed = 1;
if (ast.type === 'StyleSheet') {
ast.firstAtrulesAllowed = firstAtrulesAllowed;
ast.id = seed++;
}
walk(ast, {
visit: 'Atrule',
enter: function markScopes(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) {
var 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: block
});
}
module.exports = function compress(ast, options) {
ast = ast || { type: 'StyleSheet', loc: null, children: new List() };
options = options || {};
var compressOptions = {
logger: typeof options.logger === 'function' ? options.logger : function() {},
restructuring: getRestructureOption(options),
forceMediaMerge: Boolean(options.forceMediaMerge),
usage: options.usage ? usageUtils.buildIndex(options.usage) : false
};
var specialComments = getCommentsOption(options);
var firstAtrulesAllowed = true;
var input;
var output = new List();
var chunk;
var chunkNum = 1;
var 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()) {
var 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: ast
};
};

141
app_vue/node_modules/csso/lib/index.js generated vendored Normal file
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var csstree = require('css-tree');
var parse = csstree.parse;
var compress = require('./compress');
var generate = csstree.generate;
function debugOutput(name, options, startTime, data) {
if (options.debug) {
console.error('## ' + name + ' done in %d ms\n', Date.now() - startTime);
}
return data;
}
function createDefaultLogger(level) {
var lastDebug;
return function logger(title, ast) {
var line = title;
if (ast) {
line = '[' + ((Date.now() - lastDebug) / 1000).toFixed(3) + 's] ' + line;
}
if (level > 1 && ast) {
var css = generate(ast);
// when level 2, limit css to 256 symbols
if (level === 2 && css.length > 256) {
css = css.substr(0, 256) + '...';
}
line += '\n ' + css + '\n';
}
console.error(line);
lastDebug = Date.now();
};
}
function copy(obj) {
var result = {};
for (var key in obj) {
result[key] = obj[key];
}
return result;
}
function buildCompressOptions(options) {
options = copy(options);
if (typeof options.logger !== 'function' && options.debug) {
options.logger = createDefaultLogger(options.debug);
}
return options;
}
function runHandler(ast, options, handlers) {
if (!Array.isArray(handlers)) {
handlers = [handlers];
}
handlers.forEach(function(fn) {
fn(ast, options);
});
}
function minify(context, source, options) {
options = options || {};
var filename = options.filename || '<unknown>';
var result;
// parse
var ast = debugOutput('parsing', options, Date.now(),
parse(source, {
context: context,
filename: filename,
positions: Boolean(options.sourceMap)
})
);
// before compress handlers
if (options.beforeCompress) {
debugOutput('beforeCompress', options, Date.now(),
runHandler(ast, options, options.beforeCompress)
);
}
// compress
var compressResult = debugOutput('compress', options, Date.now(),
compress(ast, buildCompressOptions(options))
);
// after compress handlers
if (options.afterCompress) {
debugOutput('afterCompress', options, Date.now(),
runHandler(compressResult, options, options.afterCompress)
);
}
// generate
if (options.sourceMap) {
result = debugOutput('generate(sourceMap: true)', options, Date.now(), (function() {
var tmp = generate(compressResult.ast, { sourceMap: true });
tmp.map._file = filename; // since other tools can relay on file in source map transform chain
tmp.map.setSourceContent(filename, source);
return tmp;
}()));
} else {
result = debugOutput('generate', options, Date.now(), {
css: generate(compressResult.ast),
map: null
});
}
return result;
}
function minifyStylesheet(source, options) {
return minify('stylesheet', source, options);
}
function minifyBlock(source, options) {
return minify('declarationList', source, options);
}
module.exports = {
version: require('../package.json').version,
// main methods
minify: minifyStylesheet,
minifyBlock: minifyBlock,
// css syntax parser/walkers/generator/etc
syntax: Object.assign({
compress: compress
}, csstree)
};

9
app_vue/node_modules/csso/lib/replace/Atrule.js generated vendored Normal file
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var resolveKeyword = require('css-tree').keyword;
var compressKeyframes = require('./atrule/keyframes');
module.exports = function(node) {
// compress @keyframe selectors
if (resolveKeyword(node.name).basename === 'keyframes') {
compressKeyframes(node);
}
};

33
app_vue/node_modules/csso/lib/replace/AttributeSelector.js generated vendored Normal file
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// Can unquote attribute detection
// Adopted implementation of Mathias Bynens
// https://github.com/mathiasbynens/mothereff.in/blob/master/unquoted-attributes/eff.js
var escapesRx = /\\([0-9A-Fa-f]{1,6})(\r\n|[ \t\n\f\r])?|\\./g;
var blockUnquoteRx = /^(-?\d|--)|[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/;
function canUnquote(value) {
if (value === '' || value === '-') {
return;
}
// Escapes are valid, so replace them with a valid non-empty string
value = value.replace(escapesRx, 'a');
return !blockUnquoteRx.test(value);
}
module.exports = function(node) {
var attrValue = node.value;
if (!attrValue || attrValue.type !== 'String') {
return;
}
var unquotedValue = attrValue.value.replace(/^(.)(.*)\1$/, '$2');
if (canUnquote(unquotedValue)) {
node.value = {
type: 'Identifier',
loc: attrValue.loc,
name: unquotedValue
};
}
};

62
app_vue/node_modules/csso/lib/replace/Dimension.js generated vendored Normal file
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var packNumber = require('./Number').pack;
var MATH_FUNCTIONS = {
'calc': true,
'min': true,
'max': true,
'clamp': true
};
var LENGTH_UNIT = {
// absolute length units
'px': true,
'mm': true,
'cm': true,
'in': true,
'pt': true,
'pc': true,
// relative length units
'em': true,
'ex': true,
'ch': true,
'rem': true,
// viewport-percentage lengths
'vh': true,
'vw': true,
'vmin': true,
'vmax': true,
'vm': true
};
module.exports = function compressDimension(node, item) {
var value = packNumber(node.value, item);
node.value = value;
if (value === '0' && this.declaration !== null && this.atrulePrelude === null) {
var unit = node.unit.toLowerCase();
// only length values can be compressed
if (!LENGTH_UNIT.hasOwnProperty(unit)) {
return;
}
// issue #362: shouldn't remove unit in -ms-flex since it breaks flex in IE10/11
// issue #200: shouldn't remove unit in flex since it breaks flex in IE10/11
if (this.declaration.property === '-ms-flex' ||
this.declaration.property === 'flex') {
return;
}
// issue #222: don't remove units inside calc
if (this.function && MATH_FUNCTIONS.hasOwnProperty(this.function.name)) {
return;
}
item.data = {
type: 'Number',
loc: node.loc,
value: value
};
}
};

39
app_vue/node_modules/csso/lib/replace/Number.js generated vendored Normal file
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var OMIT_PLUSSIGN = /^(?:\+|(-))?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
var KEEP_PLUSSIGN = /^([\+\-])?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
var unsafeToRemovePlusSignAfter = {
Dimension: true,
Hash: true,
Identifier: true,
Number: true,
Raw: true,
UnicodeRange: true
};
function packNumber(value, item) {
// omit plus sign only if no prev or prev is safe type
var regexp = item && item.prev !== null && unsafeToRemovePlusSignAfter.hasOwnProperty(item.prev.data.type)
? KEEP_PLUSSIGN
: OMIT_PLUSSIGN;
// 100 -> '100'
// 00100 -> '100'
// +100 -> '100' (only when safe, e.g. omitting plus sign for 1px+1px leads to single dimension instead of two)
// -100 -> '-100'
// 0.123 -> '.123'
// 0.12300 -> '.123'
// 0.0 -> ''
// 0 -> ''
// -0 -> '-'
value = String(value).replace(regexp, '$1$2$3');
if (value === '' || value === '-') {
value = '0';
}
return value;
}
module.exports = function(node, item) {
node.value = packNumber(node.value, item);
};
module.exports.pack = packNumber;

36
app_vue/node_modules/csso/lib/replace/Percentage.js generated vendored Normal file
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var lexer = require('css-tree').lexer;
var packNumber = require('./Number').pack;
var blacklist = new Set([
// see https://github.com/jakubpawlowicz/clean-css/issues/957
'width',
'min-width',
'max-width',
'height',
'min-height',
'max-height',
// issue #410: Don’t remove units in flex-basis value for (-ms-)flex shorthand
// issue #362: shouldn't remove unit in -ms-flex since it breaks flex in IE10/11
// issue #200: shouldn't remove unit in flex since it breaks flex in IE10/11
'flex',
'-ms-flex'
]);
module.exports = function compressPercentage(node, item) {
node.value = packNumber(node.value, item);
if (node.value === '0' && this.declaration && !blacklist.has(this.declaration.property)) {
// try to convert a number
item.data = {
type: 'Number',
loc: node.loc,
value: node.value
};
// that's ok only when new value matches on length
if (!lexer.matchDeclaration(this.declaration).isType(item.data, 'length')) {
// otherwise rollback changes
item.data = node;
}
}
};

12
app_vue/node_modules/csso/lib/replace/String.js generated vendored Normal file
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module.exports = function(node) {
var value = node.value;
// remove escaped newlines, i.e.
// .a { content: "foo\
// bar"}
// ->
// .a { content: "foobar" }
value = value.replace(/\\(\r\n|\r|\n|\f)/g, '');
node.value = value;
};

33
app_vue/node_modules/csso/lib/replace/Url.js generated vendored Normal file
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var UNICODE = '\\\\[0-9a-f]{1,6}(\\r\\n|[ \\n\\r\\t\\f])?';
var ESCAPE = '(' + UNICODE + '|\\\\[^\\n\\r\\f0-9a-fA-F])';
var NONPRINTABLE = '\u0000\u0008\u000b\u000e-\u001f\u007f';
var SAFE_URL = new RegExp('^(' + ESCAPE + '|[^\"\'\\(\\)\\\\\\s' + NONPRINTABLE + '])*$', 'i');
module.exports = function(node) {
var value = node.value;
if (value.type !== 'String') {
return;
}
var quote = value.value[0];
var url = value.value.substr(1, value.value.length - 2);
// convert `\\` to `/`
url = url.replace(/\\\\/g, '/');
// remove quotes when safe
// https://www.w3.org/TR/css-syntax-3/#url-unquoted-diagram
if (SAFE_URL.test(url)) {
node.value = {
type: 'Raw',
loc: node.value.loc,
value: url
};
} else {
// use double quotes if string has no double quotes
// otherwise use original quotes
// TODO: make better quote type selection
node.value.value = url.indexOf('"') === -1 ? '"' + url + '"' : quote + url + quote;
}
};

20
app_vue/node_modules/csso/lib/replace/Value.js generated vendored Normal file
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var resolveName = require('css-tree').property;
var handlers = {
'font': require('./property/font'),
'font-weight': require('./property/font-weight'),
'background': require('./property/background'),
'border': require('./property/border'),
'outline': require('./property/border')
};
module.exports = function compressValue(node) {
if (!this.declaration) {
return;
}
var property = resolveName(this.declaration.property);
if (handlers.hasOwnProperty(property.basename)) {
handlers[property.basename](node);
}
};

21
app_vue/node_modules/csso/lib/replace/atrule/keyframes.js generated vendored Normal file
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module.exports = function(node) {
node.block.children.each(function(rule) {
rule.prelude.children.each(function(simpleselector) {
simpleselector.children.each(function(data, item) {
if (data.type === 'Percentage' && data.value === '100') {
item.data = {
type: 'TypeSelector',
loc: data.loc,
name: 'to'
};
} else if (data.type === 'TypeSelector' && data.name === 'from') {
item.data = {
type: 'Percentage',
loc: data.loc,
value: '0'
};
}
});
});
});
};

510
app_vue/node_modules/csso/lib/replace/color.js generated vendored Normal file
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var lexer = require('css-tree').lexer;
var packNumber = require('./Number').pack;
// http://www.w3.org/TR/css3-color/#svg-color
var NAME_TO_HEX = {
'aliceblue': 'f0f8ff',
'antiquewhite': 'faebd7',
'aqua': '0ff',
'aquamarine': '7fffd4',
'azure': 'f0ffff',
'beige': 'f5f5dc',
'bisque': 'ffe4c4',
'black': '000',
'blanchedalmond': 'ffebcd',
'blue': '00f',
'blueviolet': '8a2be2',
'brown': 'a52a2a',
'burlywood': 'deb887',
'cadetblue': '5f9ea0',
'chartreuse': '7fff00',
'chocolate': 'd2691e',
'coral': 'ff7f50',
'cornflowerblue': '6495ed',
'cornsilk': 'fff8dc',
'crimson': 'dc143c',
'cyan': '0ff',
'darkblue': '00008b',
'darkcyan': '008b8b',
'darkgoldenrod': 'b8860b',
'darkgray': 'a9a9a9',
'darkgrey': 'a9a9a9',
'darkgreen': '006400',
'darkkhaki': 'bdb76b',
'darkmagenta': '8b008b',
'darkolivegreen': '556b2f',
'darkorange': 'ff8c00',
'darkorchid': '9932cc',
'darkred': '8b0000',
'darksalmon': 'e9967a',
'darkseagreen': '8fbc8f',
'darkslateblue': '483d8b',
'darkslategray': '2f4f4f',
'darkslategrey': '2f4f4f',
'darkturquoise': '00ced1',
'darkviolet': '9400d3',
'deeppink': 'ff1493',
'deepskyblue': '00bfff',
'dimgray': '696969',
'dimgrey': '696969',
'dodgerblue': '1e90ff',
'firebrick': 'b22222',
'floralwhite': 'fffaf0',
'forestgreen': '228b22',
'fuchsia': 'f0f',
'gainsboro': 'dcdcdc',
'ghostwhite': 'f8f8ff',
'gold': 'ffd700',
'goldenrod': 'daa520',
'gray': '808080',
'grey': '808080',
'green': '008000',
'greenyellow': 'adff2f',
'honeydew': 'f0fff0',
'hotpink': 'ff69b4',
'indianred': 'cd5c5c',
'indigo': '4b0082',
'ivory': 'fffff0',
'khaki': 'f0e68c',
'lavender': 'e6e6fa',
'lavenderblush': 'fff0f5',
'lawngreen': '7cfc00',
'lemonchiffon': 'fffacd',
'lightblue': 'add8e6',
'lightcoral': 'f08080',
'lightcyan': 'e0ffff',
'lightgoldenrodyellow': 'fafad2',
'lightgray': 'd3d3d3',
'lightgrey': 'd3d3d3',
'lightgreen': '90ee90',
'lightpink': 'ffb6c1',
'lightsalmon': 'ffa07a',
'lightseagreen': '20b2aa',
'lightskyblue': '87cefa',
'lightslategray': '789',
'lightslategrey': '789',
'lightsteelblue': 'b0c4de',
'lightyellow': 'ffffe0',
'lime': '0f0',
'limegreen': '32cd32',
'linen': 'faf0e6',
'magenta': 'f0f',
'maroon': '800000',
'mediumaquamarine': '66cdaa',
'mediumblue': '0000cd',
'mediumorchid': 'ba55d3',
'mediumpurple': '9370db',
'mediumseagreen': '3cb371',
'mediumslateblue': '7b68ee',
'mediumspringgreen': '00fa9a',
'mediumturquoise': '48d1cc',
'mediumvioletred': 'c71585',
'midnightblue': '191970',
'mintcream': 'f5fffa',
'mistyrose': 'ffe4e1',
'moccasin': 'ffe4b5',
'navajowhite': 'ffdead',
'navy': '000080',
'oldlace': 'fdf5e6',
'olive': '808000',
'olivedrab': '6b8e23',
'orange': 'ffa500',
'orangered': 'ff4500',
'orchid': 'da70d6',
'palegoldenrod': 'eee8aa',
'palegreen': '98fb98',
'paleturquoise': 'afeeee',
'palevioletred': 'db7093',
'papayawhip': 'ffefd5',
'peachpuff': 'ffdab9',
'peru': 'cd853f',
'pink': 'ffc0cb',
'plum': 'dda0dd',
'powderblue': 'b0e0e6',
'purple': '800080',
'rebeccapurple': '639',
'red': 'f00',
'rosybrown': 'bc8f8f',
'royalblue': '4169e1',
'saddlebrown': '8b4513',
'salmon': 'fa8072',
'sandybrown': 'f4a460',
'seagreen': '2e8b57',
'seashell': 'fff5ee',
'sienna': 'a0522d',
'silver': 'c0c0c0',
'skyblue': '87ceeb',
'slateblue': '6a5acd',
'slategray': '708090',
'slategrey': '708090',
'snow': 'fffafa',
'springgreen': '00ff7f',
'steelblue': '4682b4',
'tan': 'd2b48c',
'teal': '008080',
'thistle': 'd8bfd8',
'tomato': 'ff6347',
'turquoise': '40e0d0',
'violet': 'ee82ee',
'wheat': 'f5deb3',
'white': 'fff',
'whitesmoke': 'f5f5f5',
'yellow': 'ff0',
'yellowgreen': '9acd32'
};
var HEX_TO_NAME = {
'800000': 'maroon',
'800080': 'purple',
'808000': 'olive',
'808080': 'gray',
'00ffff': 'cyan',
'f0ffff': 'azure',
'f5f5dc': 'beige',
'ffe4c4': 'bisque',
'000000': 'black',
'0000ff': 'blue',
'a52a2a': 'brown',
'ff7f50': 'coral',
'ffd700': 'gold',
'008000': 'green',
'4b0082': 'indigo',
'fffff0': 'ivory',
'f0e68c': 'khaki',
'00ff00': 'lime',
'faf0e6': 'linen',
'000080': 'navy',
'ffa500': 'orange',
'da70d6': 'orchid',
'cd853f': 'peru',
'ffc0cb': 'pink',
'dda0dd': 'plum',
'f00': 'red',
'ff0000': 'red',
'fa8072': 'salmon',
'a0522d': 'sienna',
'c0c0c0': 'silver',
'fffafa': 'snow',
'd2b48c': 'tan',
'008080': 'teal',
'ff6347': 'tomato',
'ee82ee': 'violet',
'f5deb3': 'wheat',
'ffffff': 'white',
'ffff00': 'yellow'
};
function hueToRgb(p, q, t) {
if (t < 0) {
t += 1;
}
if (t > 1) {
t -= 1;
}
if (t < 1 / 6) {
return p + (q - p) * 6 * t;
}
if (t < 1 / 2) {
return q;
}
if (t < 2 / 3) {
return p + (q - p) * (2 / 3 - t) * 6;
}
return p;
}
function hslToRgb(h, s, l, a) {
var r;
var g;
var b;
if (s === 0) {
r = g = b = l; // achromatic
} else {
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
var p = 2 * l - q;
r = hueToRgb(p, q, h + 1 / 3);
g = hueToRgb(p, q, h);
b = hueToRgb(p, q, h - 1 / 3);
}
return [
Math.round(r * 255),
Math.round(g * 255),
Math.round(b * 255),
a
];
}
function toHex(value) {
value = value.toString(16);
return value.length === 1 ? '0' + value : value;
}
function parseFunctionArgs(functionArgs, count, rgb) {
var cursor = functionArgs.head;
var args = [];
var wasValue = false;
while (cursor !== null) {
var node = cursor.data;
var type = node.type;
switch (type) {
case 'Number':
case 'Percentage':
if (wasValue) {
return;
}
wasValue = true;
args.push({
type: type,
value: Number(node.value)
});
break;
case 'Operator':
if (node.value === ',') {
if (!wasValue) {
return;
}
wasValue = false;
} else if (wasValue || node.value !== '+') {
return;
}
break;
default:
// something we couldn't understand
return;
}
cursor = cursor.next;
}
if (args.length !== count) {
// invalid arguments count
// TODO: remove those tokens
return;
}
if (args.length === 4) {
if (args[3].type !== 'Number') {
// 4th argument should be a number
// TODO: remove those tokens
return;
}
args[3].type = 'Alpha';
}
if (rgb) {
if (args[0].type !== args[1].type || args[0].type !== args[2].type) {
// invalid color, numbers and percentage shouldn't be mixed
// TODO: remove those tokens
return;
}
} else {
if (args[0].type !== 'Number' ||
args[1].type !== 'Percentage' ||
args[2].type !== 'Percentage') {
// invalid color, for hsl values should be: number, percentage, percentage
// TODO: remove those tokens
return;
}
args[0].type = 'Angle';
}
return args.map(function(arg) {
var value = Math.max(0, arg.value);
switch (arg.type) {
case 'Number':
// fit value to [0..255] range
value = Math.min(value, 255);
break;
case 'Percentage':
// convert 0..100% to value in [0..255] range
value = Math.min(value, 100) / 100;
if (!rgb) {
return value;
}
value = 255 * value;
break;
case 'Angle':
// fit value to (-360..360) range
return (((value % 360) + 360) % 360) / 360;
case 'Alpha':
// fit value to [0..1] range
return Math.min(value, 1);
}
return Math.round(value);
});
}
function compressFunction(node, item, list) {
var functionName = node.name;
var args;
if (functionName === 'rgba' || functionName === 'hsla') {
args = parseFunctionArgs(node.children, 4, functionName === 'rgba');
if (!args) {
// something went wrong
return;
}
if (functionName === 'hsla') {
args = hslToRgb.apply(null, args);
node.name = 'rgba';
}
if (args[3] === 0) {
// try to replace `rgba(x, x, x, 0)` to `transparent`
// always replace `rgba(0, 0, 0, 0)` to `transparent`
// otherwise avoid replacement in gradients since it may break color transition
// http://stackoverflow.com/questions/11829410/css3-gradient-rendering-issues-from-transparent-to-white
var scopeFunctionName = this.function && this.function.name;
if ((args[0] === 0 && args[1] === 0 && args[2] === 0) ||
!/^(?:to|from|color-stop)$|gradient$/i.test(scopeFunctionName)) {
item.data = {
type: 'Identifier',
loc: node.loc,
name: 'transparent'
};
return;
}
}
if (args[3] !== 1) {
// replace argument values for normalized/interpolated
node.children.each(function(node, item, list) {
if (node.type === 'Operator') {
if (node.value !== ',') {
list.remove(item);
}
return;
}
item.data = {
type: 'Number',
loc: node.loc,
value: packNumber(args.shift(), null)
};
});
return;
}
// otherwise convert to rgb, i.e. rgba(255, 0, 0, 1) -> rgb(255, 0, 0)
functionName = 'rgb';
}
if (functionName === 'hsl') {
args = args || parseFunctionArgs(node.children, 3, false);
if (!args) {
// something went wrong
return;
}
// convert to rgb
args = hslToRgb.apply(null, args);
functionName = 'rgb';
}
if (functionName === 'rgb') {
args = args || parseFunctionArgs(node.children, 3, true);
if (!args) {
// something went wrong
return;
}
// check if color is not at the end and not followed by space
var next = item.next;
if (next && next.data.type !== 'WhiteSpace') {
list.insert(list.createItem({
type: 'WhiteSpace',
value: ' '
}), next);
}
item.data = {
type: 'Hash',
loc: node.loc,
value: toHex(args[0]) + toHex(args[1]) + toHex(args[2])
};
compressHex(item.data, item);
}
}
function compressIdent(node, item) {
if (this.declaration === null) {
return;
}
var color = node.name.toLowerCase();
if (NAME_TO_HEX.hasOwnProperty(color) &&
lexer.matchDeclaration(this.declaration).isType(node, 'color')) {
var hex = NAME_TO_HEX[color];
if (hex.length + 1 <= color.length) {
// replace for shorter hex value
item.data = {
type: 'Hash',
loc: node.loc,
value: hex
};
} else {
// special case for consistent colors
if (color === 'grey') {
color = 'gray';
}
// just replace value for lower cased name
node.name = color;
}
}
}
function compressHex(node, item) {
var color = node.value.toLowerCase();
// #112233 -> #123
if (color.length === 6 &&
color[0] === color[1] &&
color[2] === color[3] &&
color[4] === color[5]) {
color = color[0] + color[2] + color[4];
}
if (HEX_TO_NAME[color]) {
item.data = {
type: 'Identifier',
loc: node.loc,
name: HEX_TO_NAME[color]
};
} else {
node.value = color;
}
}
module.exports = {
compressFunction: compressFunction,
compressIdent: compressIdent,
compressHex: compressHex
};

24
app_vue/node_modules/csso/lib/replace/index.js generated vendored Normal file
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var walk = require('css-tree').walk;
var handlers = {
Atrule: require('./Atrule'),
AttributeSelector: require('./AttributeSelector'),
Value: require('./Value'),
Dimension: require('./Dimension'),
Percentage: require('./Percentage'),
Number: require('./Number'),
String: require('./String'),
Url: require('./Url'),
Hash: require('./color').compressHex,
Identifier: require('./color').compressIdent,
Function: require('./color').compressFunction
};
module.exports = function(ast) {
walk(ast, {
leave: function(node, item, list) {
if (handlers.hasOwnProperty(node.type)) {
handlers[node.type].call(this, node, item, list);
}
}
});
};

69
app_vue/node_modules/csso/lib/replace/property/background.js generated vendored Normal file
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var List = require('css-tree').List;
module.exports = function compressBackground(node) {
function lastType() {
if (buffer.length) {
return buffer[buffer.length - 1].type;
}
}
function flush() {
if (lastType() === 'WhiteSpace') {
buffer.pop();
}
if (!buffer.length) {
buffer.unshift(
{
type: 'Number',
loc: null,
value: '0'
},
{
type: 'WhiteSpace',
value: ' '
},
{
type: 'Number',
loc: null,
value: '0'
}
);
}
newValue.push.apply(newValue, buffer);
buffer = [];
}
var newValue = [];
var buffer = [];
node.children.each(function(node) {
if (node.type === 'Operator' && node.value === ',') {
flush();
newValue.push(node);
return;
}
// remove defaults
if (node.type === 'Identifier') {
if (node.name === 'transparent' ||
node.name === 'none' ||
node.name === 'repeat' ||
node.name === 'scroll') {
return;
}
}
// don't add redundant spaces
if (node.type === 'WhiteSpace' && (!buffer.length || lastType() === 'WhiteSpace')) {
return;
}
buffer.push(node);
});
flush();
node.children = new List().fromArray(newValue);
};

31
app_vue/node_modules/csso/lib/replace/property/border.js generated vendored Normal file
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function removeItemAndRedundantWhiteSpace(list, item) {
var prev = item.prev;
var next = item.next;
if (next !== null) {
if (next.data.type === 'WhiteSpace' && (prev === null || prev.data.type === 'WhiteSpace')) {
list.remove(next);
}
} else if (prev !== null && prev.data.type === 'WhiteSpace') {
list.remove(prev);
}
list.remove(item);
}
module.exports = function compressBorder(node) {
node.children.each(function(node, item, list) {
if (node.type === 'Identifier' && node.name.toLowerCase() === 'none') {
if (list.head === list.tail) {
// replace `none` for zero when `none` is a single term
item.data = {
type: 'Number',
loc: node.loc,
value: '0'
};
} else {
removeItemAndRedundantWhiteSpace(list, item);
}
}
});
};

22
app_vue/node_modules/csso/lib/replace/property/font-weight.js generated vendored Normal file
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module.exports = function compressFontWeight(node) {
var value = node.children.head.data;
if (value.type === 'Identifier') {
switch (value.name) {
case 'normal':
node.children.head.data = {
type: 'Number',
loc: value.loc,
value: '400'
};
break;
case 'bold':
node.children.head.data = {
type: 'Number',
loc: value.loc,
value: '700'
};
break;
}
}
};

45
app_vue/node_modules/csso/lib/replace/property/font.js generated vendored Normal file
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module.exports = function compressFont(node) {
var list = node.children;
list.eachRight(function(node, item) {
if (node.type === 'Identifier') {
if (node.name === 'bold') {
item.data = {
type: 'Number',
loc: node.loc,
value: '700'
};
} else if (node.name === 'normal') {
var prev = item.prev;
if (prev && prev.data.type === 'Operator' && prev.data.value === '/') {
this.remove(prev);
}
this.remove(item);
} else if (node.name === 'medium') {
var next = item.next;
if (!next || next.data.type !== 'Operator') {
this.remove(item);
}
}
}
});
// remove redundant spaces
list.each(function(node, item) {
if (node.type === 'WhiteSpace') {
if (!item.prev || !item.next || item.next.data.type === 'WhiteSpace') {
this.remove(item);
}
}
});
if (list.isEmpty()) {
list.insert(list.createItem({
type: 'Identifier',
name: 'normal'
}));
}
};

107
app_vue/node_modules/csso/lib/restructure/1-mergeAtrule.js generated vendored Normal file
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var List = require('css-tree').List;
var resolveKeyword = require('css-tree').keyword;
var hasOwnProperty = Object.prototype.hasOwnProperty;
var walk = require('css-tree').walk;
function addRuleToMap(map, item, list, single) {
var node = item.data;
var name = resolveKeyword(node.name).basename;
var id = node.name.toLowerCase() + '/' + (node.prelude ? node.prelude.id : null);
if (!hasOwnProperty.call(map, name)) {
map[name] = Object.create(null);
}
if (single) {
delete map[name][id];
}
if (!hasOwnProperty.call(map[name], id)) {
map[name][id] = new List();
}
map[name][id].append(list.remove(item));
}
function relocateAtrules(ast, options) {
var collected = Object.create(null);
var topInjectPoint = null;
ast.children.each(function(node, item, list) {
if (node.type === 'Atrule') {
var name = resolveKeyword(node.name).basename;
switch (name) {
case 'keyframes':
addRuleToMap(collected, item, list, true);
return;
case 'media':
if (options.forceMediaMerge) {
addRuleToMap(collected, item, list, false);
return;
}
break;
}
if (topInjectPoint === null &&
name !== 'charset' &&
name !== 'import') {
topInjectPoint = item;
}
} else {
if (topInjectPoint === null) {
topInjectPoint = item;
}
}
});
for (var atrule in collected) {
for (var id in collected[atrule]) {
ast.children.insertList(
collected[atrule][id],
atrule === 'media' ? null : topInjectPoint
);
}
}
};
function isMediaRule(node) {
return node.type === 'Atrule' && node.name === 'media';
}
function processAtrule(node, item, list) {
if (!isMediaRule(node)) {
return;
}
var prev = item.prev && item.prev.data;
if (!prev || !isMediaRule(prev)) {
return;
}
// merge @media with same query
if (node.prelude &&
prev.prelude &&
node.prelude.id === prev.prelude.id) {
prev.block.children.appendList(node.block.children);
list.remove(item);
// TODO: use it when we can refer to several points in source
// prev.loc = {
// primary: prev.loc,
// merged: node.loc
// };
}
}
module.exports = function rejoinAtrule(ast, options) {
relocateAtrules(ast, options);
walk(ast, {
visit: 'Atrule',
reverse: true,
enter: processAtrule
});
};

47
app_vue/node_modules/csso/lib/restructure/2-initialMergeRuleset.js generated vendored Normal file
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var walk = require('css-tree').walk;
var utils = require('./utils');
function processRule(node, item, list) {
var selectors = node.prelude.children;
var declarations = node.block.children;
list.prevUntil(item.prev, function(prev) {
// skip non-ruleset node if safe
if (prev.type !== 'Rule') {
return utils.unsafeToSkipNode.call(selectors, prev);
}
var prevSelectors = prev.prelude.children;
var prevDeclarations = prev.block.children;
// try to join rulesets with equal pseudo signature
if (node.pseudoSignature === prev.pseudoSignature) {
// try to join by selectors
if (utils.isEqualSelectors(prevSelectors, selectors)) {
prevDeclarations.appendList(declarations);
list.remove(item);
return true;
}
// try to join by declarations
if (utils.isEqualDeclarations(declarations, prevDeclarations)) {
utils.addSelectors(prevSelectors, selectors);
list.remove(item);
return true;
}
}
// go to prev ruleset if has no selector similarities
return utils.hasSimilarSelectors(selectors, prevSelectors);
});
}
// NOTE: direction should be left to right, since rulesets merge to left
// ruleset. When direction right to left unmerged rulesets may prevent lookup
// TODO: remove initial merge
module.exports = function initialMergeRule(ast) {
walk(ast, {
visit: 'Rule',
enter: processRule
});
};

42
app_vue/node_modules/csso/lib/restructure/3-disjoinRuleset.js generated vendored Normal file
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var List = require('css-tree').List;
var walk = require('css-tree').walk;
function processRule(node, item, list) {
var selectors = node.prelude.children;
// generate new rule sets:
// .a, .b { color: red; }
// ->
// .a { color: red; }
// .b { color: red; }
// while there are more than 1 simple selector split for rulesets
while (selectors.head !== selectors.tail) {
var newSelectors = new List();
newSelectors.insert(selectors.remove(selectors.head));
list.insert(list.createItem({
type: 'Rule',
loc: node.loc,
prelude: {
type: 'SelectorList',
loc: node.prelude.loc,
children: newSelectors
},
block: {
type: 'Block',
loc: node.block.loc,
children: node.block.children.copy()
},
pseudoSignature: node.pseudoSignature
}), item);
}
}
module.exports = function disjoinRule(ast) {
walk(ast, {
visit: 'Rule',
reverse: true,
enter: processRule
});
};

432
app_vue/node_modules/csso/lib/restructure/4-restructShorthand.js generated vendored Normal file
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var List = require('css-tree').List;
var generate = require('css-tree').generate;
var walk = require('css-tree').walk;
var REPLACE = 1;
var REMOVE = 2;
var TOP = 0;
var RIGHT = 1;
var BOTTOM = 2;
var LEFT = 3;
var SIDES = ['top', 'right', 'bottom', 'left'];
var SIDE = {
'margin-top': 'top',
'margin-right': 'right',
'margin-bottom': 'bottom',
'margin-left': 'left',
'padding-top': 'top',
'padding-right': 'right',
'padding-bottom': 'bottom',
'padding-left': 'left',
'border-top-color': 'top',
'border-right-color': 'right',
'border-bottom-color': 'bottom',
'border-left-color': 'left',
'border-top-width': 'top',
'border-right-width': 'right',
'border-bottom-width': 'bottom',
'border-left-width': 'left',
'border-top-style': 'top',
'border-right-style': 'right',
'border-bottom-style': 'bottom',
'border-left-style': 'left'
};
var MAIN_PROPERTY = {
'margin': 'margin',
'margin-top': 'margin',
'margin-right': 'margin',
'margin-bottom': 'margin',
'margin-left': 'margin',
'padding': 'padding',
'padding-top': 'padding',
'padding-right': 'padding',
'padding-bottom': 'padding',
'padding-left': 'padding',
'border-color': 'border-color',
'border-top-color': 'border-color',
'border-right-color': 'border-color',
'border-bottom-color': 'border-color',
'border-left-color': 'border-color',
'border-width': 'border-width',
'border-top-width': 'border-width',
'border-right-width': 'border-width',
'border-bottom-width': 'border-width',
'border-left-width': 'border-width',
'border-style': 'border-style',
'border-top-style': 'border-style',
'border-right-style': 'border-style',
'border-bottom-style': 'border-style',
'border-left-style': 'border-style'
};
function TRBL(name) {
this.name = name;
this.loc = null;
this.iehack = undefined;
this.sides = {
'top': null,
'right': null,
'bottom': null,
'left': null
};
}
TRBL.prototype.getValueSequence = function(declaration, count) {
var values = [];
var iehack = '';
var hasBadValues = declaration.value.type !== 'Value' || declaration.value.children.some(function(child) {
var special = false;
switch (child.type) {
case 'Identifier':
switch (child.name) {
case '\\0':
case '\\9':
iehack = child.name;
return;
case 'inherit':
case 'initial':
case 'unset':
case 'revert':
special = child.name;
break;
}
break;
case 'Dimension':
switch (child.unit) {
// is not supported until IE11
case 'rem':
// v* units is too buggy across browsers and better
// don't merge values with those units
case 'vw':
case 'vh':
case 'vmin':
case 'vmax':
case 'vm': // IE9 supporting "vm" instead of "vmin".
special = child.unit;
break;
}
break;
case 'Hash': // color
case 'Number':
case 'Percentage':
break;
case 'Function':
if (child.name === 'var') {
return true;
}
special = child.name;
break;
case 'WhiteSpace':
return false; // ignore space
default:
return true; // bad value
}
values.push({
node: child,
special: special,
important: declaration.important
});
});
if (hasBadValues || values.length > count) {
return false;
}
if (typeof this.iehack === 'string' && this.iehack !== iehack) {
return false;
}
this.iehack = iehack; // move outside
return values;
};
TRBL.prototype.canOverride = function(side, value) {
var currentValue = this.sides[side];
return !currentValue || (value.important && !currentValue.important);
};
TRBL.prototype.add = function(name, declaration) {
function attemptToAdd() {
var sides = this.sides;
var side = SIDE[name];
if (side) {
if (side in sides === false) {
return false;
}
var values = this.getValueSequence(declaration, 1);
if (!values || !values.length) {
return false;
}
// can mix only if specials are equal
for (var key in sides) {
if (sides[key] !== null && sides[key].special !== values[0].special) {
return false;
}
}
if (!this.canOverride(side, values[0])) {
return true;
}
sides[side] = values[0];
return true;
} else if (name === this.name) {
var values = this.getValueSequence(declaration, 4);
if (!values || !values.length) {
return false;
}
switch (values.length) {
case 1:
values[RIGHT] = values[TOP];
values[BOTTOM] = values[TOP];
values[LEFT] = values[TOP];
break;
case 2:
values[BOTTOM] = values[TOP];
values[LEFT] = values[RIGHT];
break;
case 3:
values[LEFT] = values[RIGHT];
break;
}
// can mix only if specials are equal
for (var i = 0; i < 4; i++) {
for (var key in sides) {
if (sides[key] !== null && sides[key].special !== values[i].special) {
return false;
}
}
}
for (var i = 0; i < 4; i++) {
if (this.canOverride(SIDES[i], values[i])) {
sides[SIDES[i]] = values[i];
}
}
return true;
}
}
if (!attemptToAdd.call(this)) {
return false;
}
// TODO: use it when we can refer to several points in source
// if (this.loc) {
// this.loc = {
// primary: this.loc,
// merged: declaration.loc
// };
// } else {
// this.loc = declaration.loc;
// }
if (!this.loc) {
this.loc = declaration.loc;
}
return true;
};
TRBL.prototype.isOkToMinimize = function() {
var top = this.sides.top;
var right = this.sides.right;
var bottom = this.sides.bottom;
var left = this.sides.left;
if (top && right && bottom && left) {
var important =
top.important +
right.important +
bottom.important +
left.important;
return important === 0 || important === 4;
}
return false;
};
TRBL.prototype.getValue = function() {
var result = new List();
var sides = this.sides;
var values = [
sides.top,
sides.right,
sides.bottom,
sides.left
];
var stringValues = [
generate(sides.top.node),
generate(sides.right.node),
generate(sides.bottom.node),
generate(sides.left.node)
];
if (stringValues[LEFT] === stringValues[RIGHT]) {
values.pop();
if (stringValues[BOTTOM] === stringValues[TOP]) {
values.pop();
if (stringValues[RIGHT] === stringValues[TOP]) {
values.pop();
}
}
}
for (var i = 0; i < values.length; i++) {
if (i) {
result.appendData({ type: 'WhiteSpace', value: ' ' });
}
result.appendData(values[i].node);
}
if (this.iehack) {
result.appendData({ type: 'WhiteSpace', value: ' ' });
result.appendData({
type: 'Identifier',
loc: null,
name: this.iehack
});
}
return {
type: 'Value',
loc: null,
children: result
};
};
TRBL.prototype.getDeclaration = function() {
return {
type: 'Declaration',
loc: this.loc,
important: this.sides.top.important,
property: this.name,
value: this.getValue()
};
};
function processRule(rule, shorts, shortDeclarations, lastShortSelector) {
var declarations = rule.block.children;
var selector = rule.prelude.children.first().id;
rule.block.children.eachRight(function(declaration, item) {
var property = declaration.property;
if (!MAIN_PROPERTY.hasOwnProperty(property)) {
return;
}
var key = MAIN_PROPERTY[property];
var shorthand;
var operation;
if (!lastShortSelector || selector === lastShortSelector) {
if (key in shorts) {
operation = REMOVE;
shorthand = shorts[key];
}
}
if (!shorthand || !shorthand.add(property, declaration)) {
operation = REPLACE;
shorthand = new TRBL(key);
// if can't parse value ignore it and break shorthand children
if (!shorthand.add(property, declaration)) {
lastShortSelector = null;
return;
}
}
shorts[key] = shorthand;
shortDeclarations.push({
operation: operation,
block: declarations,
item: item,
shorthand: shorthand
});
lastShortSelector = selector;
});
return lastShortSelector;
}
function processShorthands(shortDeclarations, markDeclaration) {
shortDeclarations.forEach(function(item) {
var shorthand = item.shorthand;
if (!shorthand.isOkToMinimize()) {
return;
}
if (item.operation === REPLACE) {
item.item.data = markDeclaration(shorthand.getDeclaration());
} else {
item.block.remove(item.item);
}
});
}
module.exports = function restructBlock(ast, indexer) {
var stylesheetMap = {};
var shortDeclarations = [];
walk(ast, {
visit: 'Rule',
reverse: true,
enter: function(node) {
var stylesheet = this.block || this.stylesheet;
var ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first().id;
var ruleMap;
var shorts;
if (!stylesheetMap.hasOwnProperty(stylesheet.id)) {
ruleMap = {
lastShortSelector: null
};
stylesheetMap[stylesheet.id] = ruleMap;
} else {
ruleMap = stylesheetMap[stylesheet.id];
}
if (ruleMap.hasOwnProperty(ruleId)) {
shorts = ruleMap[ruleId];
} else {
shorts = {};
ruleMap[ruleId] = shorts;
}
ruleMap.lastShortSelector = processRule.call(this, node, shorts, shortDeclarations, ruleMap.lastShortSelector);
}
});
processShorthands(shortDeclarations, indexer.declaration);
};

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app_vue/node_modules/csso/lib/restructure/6-restructBlock.js generated vendored Normal file
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var resolveProperty = require('css-tree').property;
var resolveKeyword = require('css-tree').keyword;
var walk = require('css-tree').walk;
var generate = require('css-tree').generate;
var fingerprintId = 1;
var dontRestructure = {
'src': 1 // https://github.com/afelix/csso/issues/50
};
var DONT_MIX_VALUE = {
// https://developer.mozilla.org/en-US/docs/Web/CSS/display#Browser_compatibility
'display': /table|ruby|flex|-(flex)?box$|grid|contents|run-in/i,
// https://developer.mozilla.org/en/docs/Web/CSS/text-align
'text-align': /^(start|end|match-parent|justify-all)$/i
};
var SAFE_VALUES = {
cursor: [
'auto', 'crosshair', 'default', 'move', 'text', 'wait', 'help',
'n-resize', 'e-resize', 's-resize', 'w-resize',
'ne-resize', 'nw-resize', 'se-resize', 'sw-resize',
'pointer', 'progress', 'not-allowed', 'no-drop', 'vertical-text', 'all-scroll',
'col-resize', 'row-resize'
],
overflow: [
'hidden', 'visible', 'scroll', 'auto'
],
position: [
'static', 'relative', 'absolute', 'fixed'
]
};
var NEEDLESS_TABLE = {
'border-width': ['border'],
'border-style': ['border'],
'border-color': ['border'],
'border-top': ['border'],
'border-right': ['border'],
'border-bottom': ['border'],
'border-left': ['border'],
'border-top-width': ['border-top', 'border-width', 'border'],
'border-right-width': ['border-right', 'border-width', 'border'],
'border-bottom-width': ['border-bottom', 'border-width', 'border'],
'border-left-width': ['border-left', 'border-width', 'border'],
'border-top-style': ['border-top', 'border-style', 'border'],
'border-right-style': ['border-right', 'border-style', 'border'],
'border-bottom-style': ['border-bottom', 'border-style', 'border'],
'border-left-style': ['border-left', 'border-style', 'border'],
'border-top-color': ['border-top', 'border-color', 'border'],
'border-right-color': ['border-right', 'border-color', 'border'],
'border-bottom-color': ['border-bottom', 'border-color', 'border'],
'border-left-color': ['border-left', 'border-color', 'border'],
'margin-top': ['margin'],
'margin-right': ['margin'],
'margin-bottom': ['margin'],
'margin-left': ['margin'],
'padding-top': ['padding'],
'padding-right': ['padding'],
'padding-bottom': ['padding'],
'padding-left': ['padding'],
'font-style': ['font'],
'font-variant': ['font'],
'font-weight': ['font'],
'font-size': ['font'],
'font-family': ['font'],
'list-style-type': ['list-style'],
'list-style-position': ['list-style'],
'list-style-image': ['list-style']
};
function getPropertyFingerprint(propertyName, declaration, fingerprints) {
var realName = resolveProperty(propertyName).basename;
if (realName === 'background') {
return propertyName + ':' + generate(declaration.value);
}
var declarationId = declaration.id;
var fingerprint = fingerprints[declarationId];
if (!fingerprint) {
switch (declaration.value.type) {
case 'Value':
var vendorId = '';
var iehack = '';
var special = {};
var raw = false;
declaration.value.children.each(function walk(node) {
switch (node.type) {
case 'Value':
case 'Brackets':
case 'Parentheses':
node.children.each(walk);
break;
case 'Raw':
raw = true;
break;
case 'Identifier':
var name = node.name;
if (!vendorId) {
vendorId = resolveKeyword(name).vendor;
}
if (/\\[09]/.test(name)) {
iehack = RegExp.lastMatch;
}
if (SAFE_VALUES.hasOwnProperty(realName)) {
if (SAFE_VALUES[realName].indexOf(name) === -1) {
special[name] = true;
}
} else if (DONT_MIX_VALUE.hasOwnProperty(realName)) {
if (DONT_MIX_VALUE[realName].test(name)) {
special[name] = true;
}
}
break;
case 'Function':
var name = node.name;
if (!vendorId) {
vendorId = resolveKeyword(name).vendor;
}
if (name === 'rect') {
// there are 2 forms of rect:
// rect(<top>, <right>, <bottom>, <left>) - standart
// rect(<top> <right> <bottom> <left>) – backwards compatible syntax
// only the same form values can be merged
var hasComma = node.children.some(function(node) {
return node.type === 'Operator' && node.value === ',';
});
if (!hasComma) {
name = 'rect-backward';
}
}
special[name + '()'] = true;
// check nested tokens too
node.children.each(walk);
break;
case 'Dimension':
var unit = node.unit;
if (/\\[09]/.test(unit)) {
iehack = RegExp.lastMatch;
}
switch (unit) {
// is not supported until IE11
case 'rem':
// v* units is too buggy across browsers and better
// don't merge values with those units
case 'vw':
case 'vh':
case 'vmin':
case 'vmax':
case 'vm': // IE9 supporting "vm" instead of "vmin".
special[unit] = true;
break;
}
break;
}
});
fingerprint = raw
? '!' + fingerprintId++
: '!' + Object.keys(special).sort() + '|' + iehack + vendorId;
break;
case 'Raw':
fingerprint = '!' + declaration.value.value;
break;
default:
fingerprint = generate(declaration.value);
}
fingerprints[declarationId] = fingerprint;
}
return propertyName + fingerprint;
}
function needless(props, declaration, fingerprints) {
var property = resolveProperty(declaration.property);
if (NEEDLESS_TABLE.hasOwnProperty(property.basename)) {
var table = NEEDLESS_TABLE[property.basename];
for (var i = 0; i < table.length; i++) {
var ppre = getPropertyFingerprint(property.prefix + table[i], declaration, fingerprints);
var prev = props.hasOwnProperty(ppre) ? props[ppre] : null;
if (prev && (!declaration.important || prev.item.data.important)) {
return prev;
}
}
}
}
function processRule(rule, item, list, props, fingerprints) {
var declarations = rule.block.children;
declarations.eachRight(function(declaration, declarationItem) {
var property = declaration.property;
var fingerprint = getPropertyFingerprint(property, declaration, fingerprints);
var prev = props[fingerprint];
if (prev && !dontRestructure.hasOwnProperty(property)) {
if (declaration.important && !prev.item.data.important) {
props[fingerprint] = {
block: declarations,
item: declarationItem
};
prev.block.remove(prev.item);
// TODO: use it when we can refer to several points in source
// declaration.loc = {
// primary: declaration.loc,
// merged: prev.item.data.loc
// };
} else {
declarations.remove(declarationItem);
// TODO: use it when we can refer to several points in source
// prev.item.data.loc = {
// primary: prev.item.data.loc,
// merged: declaration.loc
// };
}
} else {
var prev = needless(props, declaration, fingerprints);
if (prev) {
declarations.remove(declarationItem);
// TODO: use it when we can refer to several points in source
// prev.item.data.loc = {
// primary: prev.item.data.loc,
// merged: declaration.loc
// };
} else {
declaration.fingerprint = fingerprint;
props[fingerprint] = {
block: declarations,
item: declarationItem
};
}
}
});
if (declarations.isEmpty()) {
list.remove(item);
}
}
module.exports = function restructBlock(ast) {
var stylesheetMap = {};
var fingerprints = Object.create(null);
walk(ast, {
visit: 'Rule',
reverse: true,
enter: function(node, item, list) {
var stylesheet = this.block || this.stylesheet;
var ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first().id;
var ruleMap;
var props;
if (!stylesheetMap.hasOwnProperty(stylesheet.id)) {
ruleMap = {};
stylesheetMap[stylesheet.id] = ruleMap;
} else {
ruleMap = stylesheetMap[stylesheet.id];
}
if (ruleMap.hasOwnProperty(ruleId)) {
props = ruleMap[ruleId];
} else {
props = {};
ruleMap[ruleId] = props;
}
processRule.call(this, node, item, list, props, fingerprints);
}
});
};

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app_vue/node_modules/csso/lib/restructure/7-mergeRuleset.js generated vendored Normal file
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var walk = require('css-tree').walk;
var utils = require('./utils');
/*
At this step all rules has single simple selector. We try to join by equal
declaration blocks to first rule, e.g.
.a { color: red }
b { ... }
.b { color: red }
->
.a, .b { color: red }
b { ... }
*/
function processRule(node, item, list) {
var selectors = node.prelude.children;
var declarations = node.block.children;
var nodeCompareMarker = selectors.first().compareMarker;
var skippedCompareMarkers = {};
list.nextUntil(item.next, function(next, nextItem) {
// skip non-ruleset node if safe
if (next.type !== 'Rule') {
return utils.unsafeToSkipNode.call(selectors, next);
}
if (node.pseudoSignature !== next.pseudoSignature) {
return true;
}
var nextFirstSelector = next.prelude.children.head;
var nextDeclarations = next.block.children;
var nextCompareMarker = nextFirstSelector.data.compareMarker;
// if next ruleset has same marked as one of skipped then stop joining
if (nextCompareMarker in skippedCompareMarkers) {
return true;
}
// try to join by selectors
if (selectors.head === selectors.tail) {
if (selectors.first().id === nextFirstSelector.data.id) {
declarations.appendList(nextDeclarations);
list.remove(nextItem);
return;
}
}
// try to join by properties
if (utils.isEqualDeclarations(declarations, nextDeclarations)) {
var nextStr = nextFirstSelector.data.id;
selectors.some(function(data, item) {
var curStr = data.id;
if (nextStr < curStr) {
selectors.insert(nextFirstSelector, item);
return true;
}
if (!item.next) {
selectors.insert(nextFirstSelector);
return true;
}
});
list.remove(nextItem);
return;
}
// go to next ruleset if current one can be skipped (has no equal specificity nor element selector)
if (nextCompareMarker === nodeCompareMarker) {
return true;
}
skippedCompareMarkers[nextCompareMarker] = true;
});
}
module.exports = function mergeRule(ast) {
walk(ast, {
visit: 'Rule',
enter: processRule
});
};

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app_vue/node_modules/csso/lib/restructure/8-restructRuleset.js generated vendored Normal file
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var List = require('css-tree').List;
var walk = require('css-tree').walk;
var utils = require('./utils');
function calcSelectorLength(list) {
var length = 0;
list.each(function(data) {
length += data.id.length + 1;
});
return length - 1;
}
function calcDeclarationsLength(tokens) {
var length = 0;
for (var i = 0; i < tokens.length; i++) {
length += tokens[i].length;
}
return (
length + // declarations
tokens.length - 1 // delimeters
);
}
function processRule(node, item, list) {
var avoidRulesMerge = this.block !== null ? this.block.avoidRulesMerge : false;
var selectors = node.prelude.children;
var block = node.block;
var disallowDownMarkers = Object.create(null);
var allowMergeUp = true;
var allowMergeDown = true;
list.prevUntil(item.prev, function(prev, prevItem) {
var prevBlock = prev.block;
var prevType = prev.type;
if (prevType !== 'Rule') {
var unsafe = utils.unsafeToSkipNode.call(selectors, prev);
if (!unsafe && prevType === 'Atrule' && prevBlock) {
walk(prevBlock, {
visit: 'Rule',
enter: function(node) {
node.prelude.children.each(function(data) {
disallowDownMarkers[data.compareMarker] = true;
});
}
});
}
return unsafe;
}
var prevSelectors = prev.prelude.children;
if (node.pseudoSignature !== prev.pseudoSignature) {
return true;
}
allowMergeDown = !prevSelectors.some(function(selector) {
return selector.compareMarker in disallowDownMarkers;
});
// try prev ruleset if simpleselectors has no equal specifity and element selector
if (!allowMergeDown && !allowMergeUp) {
return true;
}
// try to join by selectors
if (allowMergeUp && utils.isEqualSelectors(prevSelectors, selectors)) {
prevBlock.children.appendList(block.children);
list.remove(item);
return true;
}
// try to join by properties
var diff = utils.compareDeclarations(block.children, prevBlock.children);
// console.log(diff.eq, diff.ne1, diff.ne2);
if (diff.eq.length) {
if (!diff.ne1.length && !diff.ne2.length) {
// equal blocks
if (allowMergeDown) {
utils.addSelectors(selectors, prevSelectors);
list.remove(prevItem);
}
return true;
} else if (!avoidRulesMerge) { /* probably we don't need to prevent those merges for @keyframes
TODO: need to be checked */
if (diff.ne1.length && !diff.ne2.length) {
// prevBlock is subset block
var selectorLength = calcSelectorLength(selectors);
var blockLength = calcDeclarationsLength(diff.eq); // declarations length
if (allowMergeUp && selectorLength < blockLength) {
utils.addSelectors(prevSelectors, selectors);
block.children = new List().fromArray(diff.ne1);
}
} else if (!diff.ne1.length && diff.ne2.length) {
// node is subset of prevBlock
var selectorLength = calcSelectorLength(prevSelectors);
var blockLength = calcDeclarationsLength(diff.eq); // declarations length
if (allowMergeDown && selectorLength < blockLength) {
utils.addSelectors(selectors, prevSelectors);
prevBlock.children = new List().fromArray(diff.ne2);
}
} else {
// diff.ne1.length && diff.ne2.length
// extract equal block
var newSelector = {
type: 'SelectorList',
loc: null,
children: utils.addSelectors(prevSelectors.copy(), selectors)
};
var newBlockLength = calcSelectorLength(newSelector.children) + 2; // selectors length + curly braces length
var blockLength = calcDeclarationsLength(diff.eq); // declarations length
// create new ruleset if declarations length greater than
// ruleset description overhead
if (blockLength >= newBlockLength) {
var newItem = list.createItem({
type: 'Rule',
loc: null,
prelude: newSelector,
block: {
type: 'Block',
loc: null,
children: new List().fromArray(diff.eq)
},
pseudoSignature: node.pseudoSignature
});
block.children = new List().fromArray(diff.ne1);
prevBlock.children = new List().fromArray(diff.ne2overrided);
if (allowMergeUp) {
list.insert(newItem, prevItem);
} else {
list.insert(newItem, item);
}
return true;
}
}
}
}
if (allowMergeUp) {
// TODO: disallow up merge only if any property interception only (i.e. diff.ne2overrided.length > 0);
// await property families to find property interception correctly
allowMergeUp = !prevSelectors.some(function(prevSelector) {
return selectors.some(function(selector) {
return selector.compareMarker === prevSelector.compareMarker;
});
});
}
prevSelectors.each(function(data) {
disallowDownMarkers[data.compareMarker] = true;
});
});
}
module.exports = function restructRule(ast) {
walk(ast, {
visit: 'Rule',
reverse: true,
enter: processRule
});
};

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app_vue/node_modules/csso/lib/restructure/index.js generated vendored Normal file
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var prepare = require('./prepare/index');
var mergeAtrule = require('./1-mergeAtrule');
var initialMergeRuleset = require('./2-initialMergeRuleset');
var disjoinRuleset = require('./3-disjoinRuleset');
var restructShorthand = require('./4-restructShorthand');
var restructBlock = require('./6-restructBlock');
var mergeRuleset = require('./7-mergeRuleset');
var restructRuleset = require('./8-restructRuleset');
module.exports = function(ast, options) {
// prepare ast for restructing
var indexer = prepare(ast, options);
options.logger('prepare', ast);
mergeAtrule(ast, options);
options.logger('mergeAtrule', ast);
initialMergeRuleset(ast);
options.logger('initialMergeRuleset', ast);
disjoinRuleset(ast);
options.logger('disjoinRuleset', ast);
restructShorthand(ast, indexer);
options.logger('restructShorthand', ast);
restructBlock(ast);
options.logger('restructBlock', ast);
mergeRuleset(ast);
options.logger('mergeRuleset', ast);
restructRuleset(ast);
options.logger('restructRuleset', ast);
};

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app_vue/node_modules/csso/lib/restructure/prepare/createDeclarationIndexer.js generated vendored Normal file
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var generate = require('css-tree').generate;
function Index() {
this.seed = 0;
this.map = Object.create(null);
}
Index.prototype.resolve = function(str) {
var index = this.map[str];
if (!index) {
index = ++this.seed;
this.map[str] = index;
}
return index;
};
module.exports = function createDeclarationIndexer() {
var ids = new Index();
return function markDeclaration(node) {
var id = generate(node);
node.id = ids.resolve(id);
node.length = id.length;
node.fingerprint = null;
return node;
};
};

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app_vue/node_modules/csso/lib/restructure/prepare/index.js generated vendored Normal file
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var resolveKeyword = require('css-tree').keyword;
var walk = require('css-tree').walk;
var generate = require('css-tree').generate;
var createDeclarationIndexer = require('./createDeclarationIndexer');
var processSelector = require('./processSelector');
module.exports = function prepare(ast, options) {
var markDeclaration = createDeclarationIndexer();
walk(ast, {
visit: 'Rule',
enter: function processRule(node) {
node.block.children.each(markDeclaration);
processSelector(node, options.usage);
}
});
walk(ast, {
visit: 'Atrule',
enter: function(node) {
if (node.prelude) {
node.prelude.id = null; // pre-init property to avoid multiple hidden class for generate
node.prelude.id = generate(node.prelude);
}
// compare keyframe selectors by its values
// NOTE: still no clarification about problems with keyframes selector grouping (issue #197)
if (resolveKeyword(node.name).basename === 'keyframes') {
node.block.avoidRulesMerge = true; /* probably we don't need to prevent those merges for @keyframes
TODO: need to be checked */
node.block.children.each(function(rule) {
rule.prelude.children.each(function(simpleselector) {
simpleselector.compareMarker = simpleselector.id;
});
});
}
}
});
return {
declaration: markDeclaration
};
};

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app_vue/node_modules/csso/lib/restructure/prepare/processSelector.js generated vendored Normal file
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var generate = require('css-tree').generate;
var specificity = require('./specificity');
var nonFreezePseudoElements = {
'first-letter': true,
'first-line': true,
'after': true,
'before': true
};
var nonFreezePseudoClasses = {
'link': true,
'visited': true,
'hover': true,
'active': true,
'first-letter': true,
'first-line': true,
'after': true,
'before': true
};
module.exports = function freeze(node, usageData) {
var pseudos = Object.create(null);
var hasPseudo = false;
node.prelude.children.each(function(simpleSelector) {
var tagName = '*';
var scope = 0;
simpleSelector.children.each(function(node) {
switch (node.type) {
case 'ClassSelector':
if (usageData && usageData.scopes) {
var classScope = usageData.scopes[node.name] || 0;
if (scope !== 0 && classScope !== scope) {
throw new Error('Selector can\'t has classes from different scopes: ' + generate(simpleSelector));
}
scope = classScope;
}
break;
case 'PseudoClassSelector':
var name = node.name.toLowerCase();
if (!nonFreezePseudoClasses.hasOwnProperty(name)) {
pseudos[':' + name] = true;
hasPseudo = true;
}
break;
case 'PseudoElementSelector':
var name = node.name.toLowerCase();
if (!nonFreezePseudoElements.hasOwnProperty(name)) {
pseudos['::' + name] = true;
hasPseudo = true;
}
break;
case 'TypeSelector':
tagName = node.name.toLowerCase();
break;
case 'AttributeSelector':
if (node.flags) {
pseudos['[' + node.flags.toLowerCase() + ']'] = true;
hasPseudo = true;
}
break;
case 'WhiteSpace':
case 'Combinator':
tagName = '*';
break;
}
});
simpleSelector.compareMarker = specificity(simpleSelector).toString();
simpleSelector.id = null; // pre-init property to avoid multiple hidden class
simpleSelector.id = generate(simpleSelector);
if (scope) {
simpleSelector.compareMarker += ':' + scope;
}
if (tagName !== '*') {
simpleSelector.compareMarker += ',' + tagName;
}
});
// add property to all rule nodes to avoid multiple hidden class
node.pseudoSignature = hasPseudo && Object.keys(pseudos).sort().join(',');
};

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app_vue/node_modules/csso/lib/restructure/prepare/specificity.js generated vendored Normal file
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module.exports = function specificity(simpleSelector) {
var A = 0;
var B = 0;
var C = 0;
simpleSelector.children.each(function walk(node) {
switch (node.type) {
case 'SelectorList':
case 'Selector':
node.children.each(walk);
break;
case 'IdSelector':
A++;
break;
case 'ClassSelector':
case 'AttributeSelector':
B++;
break;
case 'PseudoClassSelector':
switch (node.name.toLowerCase()) {
case 'not':
node.children.each(walk);
break;
case 'before':
case 'after':
case 'first-line':
case 'first-letter':
C++;
break;
// TODO: support for :nth-*(.. of <SelectorList>), :matches(), :has()
default:
B++;
}
break;
case 'PseudoElementSelector':
C++;
break;
case 'TypeSelector':
// ignore universal selector
if (node.name.charAt(node.name.length - 1) !== '*') {
C++;
}
break;
}
});
return [A, B, C];
};

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app_vue/node_modules/csso/lib/restructure/utils.js generated vendored Normal file
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var hasOwnProperty = Object.prototype.hasOwnProperty;
function isEqualSelectors(a, b) {
var cursor1 = a.head;
var cursor2 = b.head;
while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) {
cursor1 = cursor1.next;
cursor2 = cursor2.next;
}
return cursor1 === null && cursor2 === null;
}
function isEqualDeclarations(a, b) {
var cursor1 = a.head;
var cursor2 = b.head;
while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) {
cursor1 = cursor1.next;
cursor2 = cursor2.next;
}
return cursor1 === null && cursor2 === null;
}
function compareDeclarations(declarations1, declarations2) {
var result = {
eq: [],
ne1: [],
ne2: [],
ne2overrided: []
};
var fingerprints = Object.create(null);
var declarations2hash = Object.create(null);
for (var cursor = declarations2.head; cursor; cursor = cursor.next) {
declarations2hash[cursor.data.id] = true;
}
for (var cursor = declarations1.head; cursor; cursor = cursor.next) {
var data = cursor.data;
if (data.fingerprint) {
fingerprints[data.fingerprint] = data.important;
}
if (declarations2hash[data.id]) {
declarations2hash[data.id] = false;
result.eq.push(data);
} else {
result.ne1.push(data);
}
}
for (var cursor = declarations2.head; cursor; cursor = cursor.next) {
var data = cursor.data;
if (declarations2hash[data.id]) {
// when declarations1 has an overriding declaration, this is not a difference
// unless no !important is used on prev and !important is used on the following
if (!hasOwnProperty.call(fingerprints, data.fingerprint) ||
(!fingerprints[data.fingerprint] && data.important)) {
result.ne2.push(data);
}
result.ne2overrided.push(data);
}
}
return result;
}
function addSelectors(dest, source) {
source.each(function(sourceData) {
var newStr = sourceData.id;
var cursor = dest.head;
while (cursor) {
var nextStr = cursor.data.id;
if (nextStr === newStr) {
return;
}
if (nextStr > newStr) {
break;
}
cursor = cursor.next;
}
dest.insert(dest.createItem(sourceData), cursor);
});
return dest;
}
// check if simpleselectors has no equal specificity and element selector
function hasSimilarSelectors(selectors1, selectors2) {
var cursor1 = selectors1.head;
while (cursor1 !== null) {
var cursor2 = selectors2.head;
while (cursor2 !== null) {
if (cursor1.data.compareMarker === cursor2.data.compareMarker) {
return true;
}
cursor2 = cursor2.next;
}
cursor1 = cursor1.next;
}
return false;
}
// test node can't to be skipped
function unsafeToSkipNode(node) {
switch (node.type) {
case 'Rule':
// unsafe skip ruleset with selector similarities
return hasSimilarSelectors(node.prelude.children, this);
case 'Atrule':
// can skip at-rules with blocks
if (node.block) {
// unsafe skip at-rule if block contains something unsafe to skip
return node.block.children.some(unsafeToSkipNode, this);
}
break;
case 'Declaration':
return false;
}
// unsafe by default
return true;
}
module.exports = {
isEqualSelectors: isEqualSelectors,
isEqualDeclarations: isEqualDeclarations,
compareDeclarations: compareDeclarations,
addSelectors: addSelectors,
hasSimilarSelectors: hasSimilarSelectors,
unsafeToSkipNode: unsafeToSkipNode
};

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app_vue/node_modules/csso/lib/usage.js generated vendored Normal file
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var hasOwnProperty = Object.prototype.hasOwnProperty;
function buildMap(list, caseInsensitive) {
var map = Object.create(null);
if (!Array.isArray(list)) {
return null;
}
for (var i = 0; i < list.length; i++) {
var name = list[i];
if (caseInsensitive) {
name = name.toLowerCase();
}
map[name] = true;
}
return map;
}
function buildList(data) {
if (!data) {
return null;
}
var tags = buildMap(data.tags, true);
var ids = buildMap(data.ids);
var classes = buildMap(data.classes);
if (tags === null &&
ids === null &&
classes === null) {
return null;
}
return {
tags: tags,
ids: ids,
classes: classes
};
}
function buildIndex(data) {
var scopes = false;
if (data.scopes && Array.isArray(data.scopes)) {
scopes = Object.create(null);
for (var i = 0; i < data.scopes.length; i++) {
var list = data.scopes[i];
if (!list || !Array.isArray(list)) {
throw new Error('Wrong usage format');
}
for (var j = 0; j < list.length; j++) {
var name = list[j];
if (hasOwnProperty.call(scopes, name)) {
throw new Error('Class can\'t be used for several scopes: ' + name);
}
scopes[name] = i + 1;
}
}
}
return {
whitelist: buildList(data),
blacklist: buildList(data.blacklist),
scopes: scopes
};
}
module.exports = {
buildIndex: buildIndex
};