透過爬蟲讓 Airtable 管理你的 Medium 文章(補充篇) — 文章字數統計

async function countStoryWords (driver) {
    try {
        let wordsCount = 0
        let article_tag_p = await driver.findElements(By.xpath(`//article//p`));
        let article_tag_h1 = await driver.findElements(By.xpath(`//article//h1`));
        let article_tag_h2 = await driver.findElements(By.xpath(`//article//h2`));
        let article_tag_span = await driver.findElements(By.xpath(`//article//span`));
        let article_tag_figcaption = await driver.findElements(By.xpath(`//article//figcaption`));
        let article_tag_li = await driver.findElements(By.xpath(`//article//li`));

        for (var k = 0; k < article_tag_p.length; k++) {
            let article_text = await article_tag_p[k].getText()
            console.log(article_text)
        }
      ...
      } catch (e) {
        console.error('計算 Story words 失敗')
        console.error(e)
        return 0
    }
}

for (var k = 0; k < article_tag_span.length; k++) {
    // 要先過濾掉最上方作者資訊
    let parant_tag = await article_tag_span[k].findElement(By.xpath(`./..`)).getTagName();
    if (parant_tag != "div" && parant_tag != "span") {
        let article_text = await article_tag_span[k].getText()
        // console.log(article_text)
        // console.log(countWords(article_text))
        wordsCount = wordsCount + countWords(article_text)
    }
}

function countWords (str) {    
    // 先將特殊字元用空白取代掉
    str = str.replace(/[\u007F-\u00FE]/g, ' ');

    // 複製兩個，一個用來算中文字數，一個計算英文字數
    let str1 = str;
    let str2 = str;

    // 移除中文，單純計算英文
    str1 = str1.replace(/[^!-~\d\s]+/gi, ' ')

    // 移除英文單純計算中文
    str2 = str2.replace(/[!-~\d\s]+/gi, '')

    let matches1 = str1.match(/[\u00ff-\uffff]|\S+/g);
    let matches2 = str2.match(/[\u00ff-\uffff]|\S+/g);

    count1 = matches1 ? matches1.length : 0;
    count2 = matches2 ? matches2.length : 0;

    /// 回傳總和
    const total = (count1 + count2);
    return total
}