memoize-path是通过memoized路径段来创建的可重复使用、可堆叠的文件路径。
安装：
$ npm install memoize-path --save使用（示例）：
var memo = require('memoize-path');/** * When a string is passed, a function is returned */var cwd = memo(process.cwd()); // use `cwd`var foo = cwd('foo');var bar = cwd('bar');var baz = cwd('baz');// use `foo`var qux = foo('a/b/c');// use `qux`var fez = qux('x/y/z');/** * Returns the memoized path when no value is passed */console.log(cwd());//=> /User/dev/memo-pathconsole.log(foo());//=> /User/dev/memo-path/fooconsole.log(bar());//=> /User/dev/memo-path/barconsole.log(baz());//=> /User/dev/memo-path/bazconsole.log(qux());//=> /User/dev/memo-path/foo/a/b/cconsole.log(fez());//=> /User/dev/memo-path/foo/a/b/c/x/y/z/** * The memoized path is also exposed on the function's `.path` property */console.log(cwd.path);//=> /User/dev/memo-pathconsole.log(foo.path);//=> /User/dev/memo-path/fooconsole.log(bar.path);//=> /User/dev/memo-path/barconsole.log(baz.path);//=> /User/dev/memo-path/bazconsole.log(qux.path);//=> /User/dev/memo-path/foo/a/b/cconsole.log(fez.path);//=> /User/dev/memo-path/foo/a/b/c/x/y/z
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