# All files / gogocode-core/src/html-core get-selector.js

100% Statements 15/15
75% Branches 6/8
100% Functions 1/1
100% Lines 15/15

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    37x// 把简单的api转换成ast
    const parse = require('./parse');
    const filterProps = require('./filter-prop.js');

    function getSelector(selectorCode, parseOptions, expando = 'g123o456g789o') {
        const selector = { nodeType: '', structure: {} };
        if (typeof selectorCode != 'string') {
            // 如果是通过builders造出来的ast结构，比如return语句
            selector.nodeType = selectorCode.nodeType;
            filterProps(selectorCode, selector.structure);
            selector.type = selectorCode.nodeType; // 兼容只用type匹配的选择器
            return selector;
        } else {
            selectorCode = selectorCode
                .replace(/\$_\$/g, expando)
                .replace(/\$\$\$/g, expando.slice(0, -1) + '$3')
        }
        let selectorAst = parse(selectorCode, parseOptions);
        Eif (selectorAst.content && selectorAst.content.children && selectorAst.content.children[0]) {
            filterProps(selectorAst.content.children[0], selector.structure);
            selector.nodeType = selectorAst.content.children[0].nodeType;
        }
        return selector;
    }

    module.exports = getSelector;