feat: require添加hook功能

This commit is contained in:
coding 2017-10-14 06:27:22 +00:00
parent 7754f7f83b
commit 52d665c6e6

View File

@ -57,16 +57,16 @@
* @returns {*}
*/
function resolveAsDirectory(dir, file) {
var file = ext.notNull(dir) ? new File(dir, file) : new File(file);
var _package = new File(file, 'package.json');
var dir = ext.notNull(dir) ? new File(dir, file) : new File(file);
var _package = new File(dir, 'package.json');
if (_package.exists()) {
var json = JSON.parse(base.read(_package));
if (json.main) {
return resolveAsFile(file, json.main);
return resolveAsFile(dir, json.main);
}
}
// if no package or package.main exists, look for index.js
return resolveAsFile(file, 'index.js');
return resolveAsFile(dir, 'index.js');
}
function normalizeName(fileName, ext) {
@ -82,9 +82,13 @@
* @param file
* @returns {Object}
*/
function compileJs(file) {
function compileJs(file, optional) {
var cacheFile = _cacheFile(file);
base.save(cacheFile, "(function (module, exports, require, __DIR__, __FILE__) {" + base.read(file) + "});");
var origin = base.read(file);
if (optional.hook) {
origin = optional.hook(origin);
}
base.save(cacheFile, "(function (module, exports, require, __DIR__, __FILE__) {" + origin + "});");
// 使用 load 可以保留行号和文件名称
var obj = load(cacheFile);
base.delete(cacheFile);
@ -98,7 +102,7 @@
* @param file
* @returns {Object}
*/
function compileModule(id, name, file) {
function compileModule(id, name, file, optional) {
log.d('加载模块 %s 位于 %s', name, id);
// noinspection JSUnresolvedVariable
var module = {
@ -108,14 +112,14 @@
require: exports(file.parentFile)
};
try {
var compiledWrapper = compileJs(file);
var compiledWrapper = compileJs(file, optional);
compiledWrapper.apply(module.exports, [
module, module.exports, module.require, file.parentFile, file
]);
log.d('模块 %s 编译成功!', name);
module.loaded = true;
} catch (ex) {
log.w("模块 %s 编译失败!", name);
log.console("§4警告! §b模块 §a%s §4编译失败! ERR: %s", name, ex);
log.d(ex);
}
return module;
@ -143,20 +147,21 @@
* @returns {*}
* @private
*/
function _require(name, path) {
function _require(name, path, optional) {
var file = resolve(name, path);
if (file === undefined) {
log.w("模块 %s 加载失败! 未找到该模块!", name);
return {exports:{}};
}
if (!optional) optional = { cache: true }
// 重定向文件名称和类型
name = file.name.split(".")[0];
var id = _canonical(file);
var module = cacheModules[id];
if (module) {
if (optional.cache && module) {
return module;
}
cacheModules[id] = module = compileModule(id, name, file);
cacheModules[id] = module = compileModule(id, name, file, optional);
return module;
}
@ -166,8 +171,8 @@
* @returns {Function}
*/
function exports(parent) {
return function (path) {
return _require(path, parent).exports;
return function (path, optional) {
return _require(path, parent, optional).exports;
};
}