Tree Shaking可以帮我们检测模块中没有使用到的代码块，并在Webpack打包时将没有用到的代码块移除掉，减小打包后的资源体积大小。 它的名字也非常形象，通过摇晃树把树上干枯无用的叶子摇掉。 01 使用Tree Shaking的原因 我们来看一个例子。 b.js文件的内容如下： var name = 'Jack'入门webpack的最佳实践（基于webpack4.X 5.X）--打...
//"this" for the function will be the global object. //The dependencies will be passed in as function arguments. //If this function returns a value,then that value is used as the module export valueinstead of the object found via the 'exports' string. //Note: jQuery registers as an A...
Object. filesandoptsare both optional, but must be in the order shown if both are passed. Entry files may be passed infilesand / oropts.entries. External requires may be specified inopts.require, accepting the same formats that thefilesargument does. ...
You can use an object (not a plain string though) as a parent too require('./foo',{parent:{filename:'ha/ha/mock.js'}}); args You can inject variables into the loaded module source. These variables will be declared at the top of the module. ...
An object that contains the cache for modules that have been loaded so far. The key is the absolute path to the module, and the value is the module instance. Mocks Node.jsrequire.cache. To re-load a module that has already been loaded, you can delete the cache the same way you would...
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//object. The dependencies will be passed in as //function arguments. If this function returns a value, //then that value is used as the module export value //instead of the object found via the 'exports' string. //Note: jQuery registers as an AMD module via define(), ...
name = 'Object1'; this.config = config; }; // Exporting constructor function module.exports = Object1; and the code which require's these files in app_old.js is like following: // configs for each module var config1 = { value: 'config1' }, config2 = 'config2'; // require all...
//my/shirt.js now has some dependencies, a cart and inventory//module in the same directory as shirt.jsdefine(["./cart", "./inventory"],function(cart, inventory) {//return an object to define the "my/shirt" module.return{ color:"blue", ...
an increase in the relative proportion of alveolar type 1 cells (Fig.2B, Supplementary Fig.S3A–D). All epithelial cell types were present at each time point, with more proliferative cells at early time points and more differentiated cells at later time points. To evaluate the determinants of...