ttk-app-core/utils/expression/index.js

enterprise develop framework

/**
 * 元数据中表达式需要的一些函数
 */

// {{***}} 
const reg = /^\s*\{{2}([\s\S]+)\}{2}\s*$/m

// {{{***}}}
const reg1 = /^\s*\{{3}([\s\S]+)\}{3}\s*$/m

function isExpression(v) {
    return reg.test(v) || reg1.test(v)
}

function getExpressionBody(v) {
    if (reg1.test(v)) {
        //去掉前后{{{ }}}
        return v.replace(reg1, (word, group) => group)
    }

    if (reg.test(v)) {
        //return + 去掉前后{{ }}
        return "return " + v.replace(reg, (word, group) => group)
    }

    return v
}

export default {
    isExpression,
    getExpressionBody
}