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parttimejob/node_modules/css-tree/lib/syntax/create.js

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var List = require('../common/List');
var SyntaxError = require('../common/SyntaxError');
var TokenStream = require('../common/TokenStream');
var Lexer = require('../lexer/Lexer');
var definitionSyntax = require('../definition-syntax');
var tokenize = require('../tokenizer');
var createParser = require('../parser/create');
var createGenerator = require('../generator/create');
var createConvertor = require('../convertor/create');
var createWalker = require('../walker/create');
var clone = require('../utils/clone');
var names = require('../utils/names');
var mix = require('./config/mix');
function createSyntax(config) {
var parse = createParser(config);
var walk = createWalker(config);
var generate = createGenerator(config);
var convert = createConvertor(walk);
var syntax = {
List: List,
SyntaxError: SyntaxError,
TokenStream: TokenStream,
Lexer: Lexer,
vendorPrefix: names.vendorPrefix,
keyword: names.keyword,
property: names.property,
isCustomProperty: names.isCustomProperty,
definitionSyntax: definitionSyntax,
lexer: null,
createLexer: function(config) {
return new Lexer(config, syntax, syntax.lexer.structure);
},
tokenize: tokenize,
parse: parse,
walk: walk,
generate: generate,
find: walk.find,
findLast: walk.findLast,
findAll: walk.findAll,
clone: clone,
fromPlainObject: convert.fromPlainObject,
toPlainObject: convert.toPlainObject,
createSyntax: function(config) {
return createSyntax(mix({}, config));
},
fork: function(extension) {
var base = mix({}, config); // copy of config
return createSyntax(
typeof extension === 'function'
? extension(base, Object.assign)
: mix(base, extension)
);
}
};
syntax.lexer = new Lexer({
generic: true,
types: config.types,
atrules: config.atrules,
properties: config.properties,
node: config.node
}, syntax);
return syntax;
};
exports.create = function(config) {
return createSyntax(mix({}, config));
};