syntax.js•1.31 kB
import { fork, string, url, tokenTypes as TYPE } from 'css-tree';
import compress from './compress.js';
import specificity from './restructure/prepare/specificity.js';
function encodeString(value) {
const stringApostrophe = string.encode(value, true);
const stringQuote = string.encode(value);
return stringApostrophe.length < stringQuote.length
? stringApostrophe
: stringQuote;
}
const {
lexer,
tokenize,
parse,
generate,
walk,
find,
findLast,
findAll,
fromPlainObject,
toPlainObject
} = fork({
node: {
String: {
generate(node) {
this.token(TYPE.String, encodeString(node.value));
}
},
Url: {
generate(node) {
const encodedUrl = url.encode(node.value);
const string = encodeString(node.value);
this.token(TYPE.Url,
encodedUrl.length <= string.length + 5 /* "url()".length */
? encodedUrl
: 'url(' + string + ')'
);
}
}
}
});
export {
lexer,
tokenize,
parse,
generate,
walk,
find,
findLast,
findAll,
fromPlainObject,
toPlainObject,
specificity,
compress
};