1

.gitignore

+node_modules
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.vscode/launch.json

+{
+    // 使用 IntelliSense 了解相关属性。 
+    // 悬停以查看现有属性的描述。
+    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Launch Program",
+            "program": "${workspaceFolder}/dbtinypng.js",
+            "args": [
+                "--input",
+                "./a",
+                "--output",
+                "./aOutput",
+            ],
+            // "args": [
+            //     "--input",
+            //     "./src/Resource",
+            //     "--output",
+            //     "./src/ResourceOutput",
+            // ],
+            // "cwd": "/Users/wanghongyuan/duiba-games/game/game3dDemo/"
+            "cwd": "/Users/wanghongyuan/testtinypng"
+        }
+    ]
+}
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dbtinypng.js

+#!/usr/bin/env node
+var argv = require('yargs')
+    .option('o', {
+        alias: 'output',
+        demand: true,
+        describe: '输出路径',
+        type: 'string'
+    })
+    .option('i', {
+        alias: 'input',
+        demand: true,
+        describe: '输入路径',
+        type: 'string'
+    })
+    .usage('Usage: dbtinypng [options]')
+    .example('dbtinypng -i ./input -o ./output')
+    .help('h')
+    .alias('h', 'help')
+    .argv;
+const tinypng =require('./tinypng');
+tinypng(argv.i,argv.o);
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getAPIs.js

+const APIs = [
+    'q2A1B6tuX79ojovWKgRIJGXsC5NY0g3A',
+    '0el5fWM1LGmLbcisgrATCKARdy3fgMHG'
+];
+module.exports = (imgNums, callback) => {
+    require('./validateAll')(APIs, (results) => {
+        results.forEach(val => {
+            val[1] = 500 - 10 - val[1];
+        });
+        console.log(`剩余配额信息:${JSON.stringify(results)}`)
+        const ret = [];
+        let left = imgNums;
+        for (const item of results) {
+            const [key, amount] = item;
+            if (amount >= left) {
+                ret.push([key, left]);
+                left = 0;
+                break;
+            } else {
+                left -= amount;
+                ret.push([key, amount]);
+            }
+        }
+        if (left > 0)
+            throw new Error('配额不够了，再去申请些API');
+        console.log(`将消耗配额信息:${JSON.stringify(ret)}`)
+        callback(ret);
+    })
+}
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package.json

+{
+  "name": "dbtinypng",
+  "bin": {
+    "dbtinypng": "dbtinypng.js"
+  },
+  "dependencies": {
+    "mkdirp": "^0.5.1",
+    "tinify": "^1.5.0",
+    "yargs": "^12.0.1"
+  }
+}

tinypng.js

+const path = require('path');
+var walk = require("./walk");
+
+module.exports = (input, output) => {
+    walk(input, (err, result) => {
+        let count = 0;
+        let imgURLs = result.filter(
+            val => ['.jpg', '.png'].indexOf(path.extname(val)) != -1);
+        imgURLs = imgURLs.map(val => {
+            let inputSplited = input.split(path.sep);
+            let splited = val.split(path.sep);
+            return splited.slice(inputSplited.length - 1).join(path.sep);
+        })
+        if (imgURLs.length == 0) { console.log('没有需要处理的图片.'); return; }
+        console.log(`图片遍历完毕，共有${imgURLs.length}张`);
+        console.log('正在获取API信息...');
+        require('./getAPIs')(imgURLs.length, (result) => {
+            console.log('正在和server通信进行图片压缩...');
+            let current = result.pop();
+            for (const url of imgURLs) {
+                if (current[1] == 0) {
+                    current = result.pop()
+                }
+                current[1]--;
+                const tinify = require('tinify');
+                tinify.key = current[0];
+                var mkdirp = require("mkdirp");
+                var url2 = url.split(path.sep);
+                url2.pop();
+                url2 = url2.join(path.sep);
+                url2 = path.join(output, url2);
+                mkdirp(url2, function (err) {
+                    if (err) console.error(err)
+                    else {
+                        var source = tinify.fromFile(path.join(input, url));
+                        source.toFile(path.join(output, url), () => {
+                            console.log(`${++count}/${imgURLs.length}`, path.join(output, url));
+                            if(count == imgURLs.length)
+                                console.log('处理完毕.谢谢使用.')
+                        });
+                    }
+                });
+
+            }
+        });
+    });
+}
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validate.js

+module.exports =  (key, callback) => {
+    var tinify = require("tinify");
+    tinify.key = key;
+    tinify.validate(function (err) {
+        if (err) throw err;
+        callback(key,tinify.compressionCount);
+    })
+}
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validateAll.js

+const validate = require('./validate');
+module.exports = (keys, callback) => {
+    let counter = 0;
+    const result = [];
+    for (const key of keys) {
+        validate(key, (key, compressionCount) => {
+            counter++;
+            result.push([key, compressionCount]);
+            if (counter == keys.length) {
+                callback(result)
+            }
+        })
+    }
+}
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walk.js

+var fs = require('fs');
+var path = require('path');
+var walk = function(dir, done) {
+  var results = [];
+  fs.readdir(dir, function(err, list) {
+    if (err) return done(err);
+    var pending = list.length;
+    if (!pending) return done(null, results);
+    list.forEach(function(file) {
+      var file2 = path.join(dir,file);
+      file = path.resolve(dir, file);
+      fs.stat(file, function(err, stat) {
+        if (stat && stat.isDirectory()) {
+          walk(file2, function(err, res) {
+            results = results.concat(res);
+            if (!--pending) done(null, results);
+          });
+        } else {
+          results.push(file2);
+          if (!--pending) done(null, results);
+        }
+      });
+    });
+  });
+};
+module.exports = walk;
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