Bringen Sie Ihnen Schritt für Schritt bei, wie Sie ein vscode-Variablenübersetzungs-Plug-in von Grund auf entwickeln

//安装
yarn global add yo generator-code

yarn global add vsce

const qs = require('querystring');
const got = require('got');
const safeEval = require('safe-eval');
const googleToken = require('google-translate-token');
const languages = require('../utils/languages.js');
const config = require('../config/index.js');

// 获取请求url
async function getRequestUrl(text, opts) {
    let token = await googleToken.get(text);
    const data = {
        client: 'gtx',
        sl: opts.from,
        tl: opts.to,
        hl: opts.to,
        dt: ['at', 'bd', 'ex', 'ld', 'md', 'qca', 'rw', 'rm', 'ss', 't'],
        ie: 'UTF-8',
        oe: 'UTF-8',
        otf: 1,
        ssel: 0,
        tsel: 0,
        kc: 7,
        q: text
    };
    data[token.name] = token.value;
    const requestUrl = `${config.googleBaseUrl}${qs.stringify(data)}`;
    return requestUrl;
}

//处理返回的body
async function handleBody(url, opts) {
    const result = await got(url);
    let resultObj = {
        text: '',
        from: {
            language: {
                didYouMean: false,
                iso: ''
            },
            text: {
                autoCorrected: false,
                value: '',
                didYouMean: false
            }
        },
        raw: ''
    };

    if (opts.raw) {
        resultObj.raw = result.body;
    }
    const body = safeEval(result.body);

    // console.log('body', body);
    body[0].forEach(function(obj) {
        if (obj[0]) {
            resultObj.text += obj[0];
        }
    });

    if (body[2] === body[8][0][0]) {
        resultObj.from.language.iso = body[2];
    } else {
        resultObj.from.language.didYouMean = true;
        resultObj.from.language.iso = body[8][0][0];
    }

    if (body[7] && body[7][0]) {
        let str = body[7][0];

        str = str.replace(/<b><i>/g, &#39;[&#39;);
        str = str.replace(/<\/i><\/b>/g, &#39;]&#39;);

        resultObj.from.text.value = str;

        if (body[7][5] === true) {
            resultObj.from.text.autoCorrected = true;
        } else {
            resultObj.from.text.didYouMean = true;
        }
    }
    return resultObj;
}

//翻译
async function translate(text, opts) {
    opts = opts || {};
    opts.from = opts.from || &#39;auto&#39;;
    opts.to = opts.to || &#39;en&#39;;

    opts.from = languages.getCode(opts.from);
    opts.to = languages.getCode(opts.to);

    try {
        const requestUrl = await getRequestUrl(text, opts);
        const result = await handleBody(requestUrl, opts);
        return result;
    } catch (error) {
        console.log(error);
    }
}

// 获取翻译结果
const getGoogleTransResult = async(originText, ops = {}) => {
    const { from, to } = ops;
    try {
        const result = await translate(originText, { from: from || config.defaultFrom, to: to || defaultTo });
        console.log(&#39;谷歌翻译结果&#39;, result.text);
        return result;
    } catch (error) {
        console.log(error);
        console.log(&#39;翻译失败&#39;);
    }
}

module.exports = getGoogleTransResult;

const md5 = require("md5");
const axios = require("axios");
const config = require('../config/index.js');
axios.defaults.withCredentials = true;
axios.defaults.crossDomain = true;
axios.defaults.headers.post["Content-Type"] =
    "application/x-www-form-urlencoded";

// 百度翻译
async function getBaiduTransResult(text = "", opt = {}) {
    const { from, to, appid, key } = opt;
    try {
        const q = text;
        const salt = parseInt(Math.random() * 1000000000);
        let str = `${appid}${q}${salt}${key}`;
        const sign = md5(str);
        const query = encodeURI(q);
        const params = `q=${query}&from=${from}&to=${to}&appid=${appid}&salt=${salt}&sign=${sign}`;
        const url = `${config.baiduBaseUrl}${params}`;
        console.log(url);
        const res = await axios.get(url);
        console.log('百度翻译结果', res.data.trans_result[0]);
        return res.data.trans_result[0];
    } catch (error) {
        console.log({ error });
    }
}

module.exports = getBaiduTransResult;

    onDidChangeTextEditorSelection(({ textEditor, selections }) => {
        text = textEditor.document.getText(selections[0]);
    })

const { getConfiguration } = vscode.workspace;
const config = getConfiguration();

//注意get里面的参数其实就是package.json配置项里面的contributes.configuration.properties.xxx
const isCopy = config.get(IS_COPY);
const isReplace = config.get(IS_REPLACE);
const isHump = config.get(IS_HUMP);
const service = config.get(SERVICE);
const baiduAppid = config.get(BAIDU_APPID);
const baiduKey = config.get(BAIDU_KEY);

//更新使用update方法，第三个参数为true代表应用到全局
config.update(SERVICE, selectedItem, true);

const { getConfiguration, onDidChangeConfiguration } = vscode.workspace;
const config = getConfiguration();

//监听变动
const disposeConfig = onDidChangeConfiguration(() => {
  config = getConfiguration();
})

const disposeConfig = onDidChangeConfiguration((e) => {
    if (e && e.affectsConfiguration(BAIDU_KEY)) {
        //干些什么
    }
})

const { activeTextEditor, onDidChangeActiveTextEditor } = vscode.window;
let active = activeTextEditor;
const edit = onDidChangeActiveTextEditor((textEditor) => {
  console.log('activeEditor改变了');
  //更换打开的编辑器对象
  if (textEditor) {
      active = textEditor;
  }
})

// 划词翻译检测
const disposeHover = vscode.languages.registerHoverProvider("*", {
    async provideHover(document, position, token) {
        const service = config.get(SERVICE);
        const baiduAppid = config.get(BAIDU_APPID);
        const baiduKey = config.get(BAIDU_KEY);

        let response, responseText;
        const selected = document.getText(active.selection);
        // 谷歌翻译
        if (service === 'google') {
            response = await getGoogleTransResult(selected, { from: 'auto', to: 'zh-cn' });
            responseText = response.text;
        }

        // 百度翻译
        if (service === 'baidu') {
            response = await getBaiduTransResult(selected, { from: "auto", to: "zh", appid: baiduAppid, key: baiduKey });
            responseText = response.dst;
        }
        // 悬浮提示
        return new vscode.Hover(`${responseText}`);
    }
})

//是否替换原文
if (isReplace) {
  let selectedItem = active.selection;
  active.edit(editBuilder => {
    editBuilder.replace(selectedItem, result)
  })
}

// 是否复制翻译结果
if (isCopy) {
  vscode.env.clipboard.writeText(result);
}

function toHump(str) {
    if (!str) {
        return
    }
    const strArray = str.split(' ');
    const firstLetter = [strArray.shift()];
    const newArray = strArray.map(item => {
        return `${item.substring(0,1).toUpperCase()}${item.substring(1)}`;
    })
    const result = firstLetter.concat(newArray).join('');
    return result;
}

module.exports = toHump;

registerCommand('translateVariable.toEN', async() => {
  //do something
})


//package.json
"keybindings": [{
  "key": "ctrl+t",
  "mac": "cmd+t",
  "when": "editorTextFocus",
  "command": "translateVariable.toEN"
}],

vsce package