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- module.exports = function loadLoader(loader, callback) {
- if(typeof System === "object" && typeof System.import === "function") {
- System.import(loader.path).catch(callback).then(function(module) {
- loader.normal = typeof module === "function" ? module : module.default;
- loader.pitch = module.pitch;
- loader.raw = module.raw;
- if(typeof loader.normal !== "function" && typeof loader.pitch !== "function")
- throw new Error("Module '" + loader.path + "' is not a loader (must have normal or pitch function)");
- callback();
- });
- } else {
- try {
- var module = require(loader.path);
- } catch(e) {
- // it is possible for node to choke on a require if the FD descriptor
- // limit has been reached. give it a chance to recover.
- if(e instanceof Error && e.code === "EMFILE") {
- var retry = loadLoader.bind(null, loader, callback);
- if(typeof setImmediate === "function") {
- // node >= 0.9.0
- return setImmediate(retry);
- } else {
- // node < 0.9.0
- return process.nextTick(retry);
- }
- }
- return callback(e);
- }
- if(typeof loader !== "function" && typeof loader !== "object")
- throw new Error("Module '" + loader.path + "' is not a loader (export function or es6 module))");
- loader.normal = typeof module === "function" ? module : module.default;
- loader.pitch = module.pitch;
- loader.raw = module.raw;
- if(typeof loader.normal !== "function" && typeof loader.pitch !== "function")
- throw new Error("Module '" + loader.path + "' is not a loader (must have normal or pitch function)");
- callback();
- }
- };
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