htmlhint/dist/core/rules/id-class-value.js

The Static Code Analysis Tool for your HTML

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = {
    id: 'id-class-value',
    description: 'The id and class attribute values must meet the specified rules.',
    init(parser, reporter, options) {
        const arrRules = {
            underline: {
                regId: /^[a-z\d]+(_[a-z\d]+)*$/,
                message: 'The id and class attribute values must be in lowercase and split by an underscore.',
            },
            dash: {
                regId: /^[a-z\d]+(-[a-z\d]+)*$/,
                message: 'The id and class attribute values must be in lowercase and split by a dash.',
            },
            hump: {
                regId: /^[a-z][a-zA-Z\d]*([A-Z][a-zA-Z\d]*)*$/,
                message: 'The id and class attribute values must meet the camelCase style.',
            },
        };
        let rule;
        if (typeof options === 'string') {
            rule = arrRules[options];
        }
        else {
            rule = options;
        }
        if (typeof rule === 'object' && rule.regId) {
            let regId = rule.regId;
            const message = rule.message;
            if (!(regId instanceof RegExp)) {
                regId = new RegExp(regId);
            }
            parser.addListener('tagstart', (event) => {
                const attrs = event.attrs;
                let attr;
                const col = event.col + event.tagName.length + 1;
                for (let i = 0, l1 = attrs.length; i < l1; i++) {
                    attr = attrs[i];
                    if (attr.name.toLowerCase() === 'id') {
                        if (regId.test(attr.value) === false) {
                            reporter.warn(message, event.line, col + attr.index, this, attr.raw);
                        }
                    }
                    if (attr.name.toLowerCase() === 'class') {
                        const arrClass = attr.value.split(/\s+/g);
                        let classValue;
                        for (let j = 0, l2 = arrClass.length; j < l2; j++) {
                            classValue = arrClass[j];
                            if (classValue && regId.test(classValue) === false) {
                                reporter.warn(message, event.line, col + attr.index, this, classValue);
                            }
                        }
                    }
                }
            });
        }
    },
};
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