抓取https://geojson.cn/数据，获取全国的省市县，转换为JavaScript JSON

抓取https://geojson.cn/数据，获取全国的省市县，转换为JavaScript JSON

function convert(properties) {
    return {
        name: properties.name,
        fullname: properties.fullname,
        code: properties.code,
        pinyin: properties.pinyin,
        level: properties.level,
    }
}

async function appendFeatrues(features, data) {
    data.children = []
    for (let feature of features) {
        if (!feature.properties.code) continue
        const d = convert(feature.properties)
        data.children.push(d)
        if (feature.properties.level > 2 || !feature.properties.filename) continue
        // console.log(d)
        let { features: f } = await fetch(`https://file.geojson.cn/china/1.6.2/${feature.properties.filename}.json`).then(i => i.json())
        await appendFeatrues(f, d)
    }
    return data
}
let code = "100000"
let { properties, features } = await fetch(`https://file.geojson.cn/china/1.6.2/${code}.json`).then(i => i.json())

const data = convert(properties)
await appendFeatrues(features, data)

console.log(JSON.stringify(data))