@tbela99/css-parser
Version:
CSS parser for node and the browser
92 lines (89 loc) • 2.64 kB
JavaScript
import { ValidationLevel, EnumToken } from '../../ast/types.js';
import '../../ast/minify.js';
import '../../ast/walk.js';
import '../../parser/parse.js';
import '../../renderer/color/utils/constants.js';
import '../../renderer/sourcemap/lib/encode.js';
import '../../parser/utils/config.js';
import { consumeWhitespace } from '../utils/whitespace.js';
function validateFamilyName(tokens, atRule) {
let node;
tokens = tokens.slice();
consumeWhitespace(tokens);
if (tokens.length == 0) {
// @ts-ignore
return {
valid: ValidationLevel.Drop,
matches: [],
node: atRule,
syntax: null,
error: 'expected at-rule prelude',
tokens
};
}
if (tokens[0].typ == EnumToken.CommaTokenType) {
// @ts-ignore
return {
valid: ValidationLevel.Drop,
matches: [],
node: tokens[0],
syntax: null,
error: 'unexpected token',
tokens
};
}
while (tokens.length > 0) {
// @ts-ignore
if (tokens[0].typ == EnumToken.CommaTokenType) {
node = tokens.shift();
consumeWhitespace(tokens);
if (tokens.length == 0) {
// @ts-ignore
return {
valid: ValidationLevel.Drop,
matches: [],
node,
syntax: null,
error: 'unexpected token',
tokens
};
}
}
node = tokens[0];
if (![EnumToken.IdenTokenType, EnumToken.StringTokenType].includes(node.typ)) {
// @ts-ignore
return {
valid: ValidationLevel.Drop,
matches: [],
node,
syntax: null,
error: 'unexpected token',
tokens
};
}
tokens.shift();
consumeWhitespace(tokens);
// @ts-ignore
if (tokens.length > 0 && node.typ == EnumToken.BadStringTokenType && tokens[0].typ != EnumToken.CommaTokenType) {
// @ts-ignore
return {
valid: ValidationLevel.Drop,
matches: [],
node: tokens[0],
syntax: null,
error: 'expected comma token',
tokens
};
}
}
// @ts-ignore
return {
valid: ValidationLevel.Valid,
matches: [],
node: null,
syntax: null,
error: '',
tokens
};
}
export { validateFamilyName };