diff options
Diffstat (limited to 'node_modules/loader-runner/lib/loadLoader.js')
-rw-r--r-- | node_modules/loader-runner/lib/loadLoader.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/node_modules/loader-runner/lib/loadLoader.js b/node_modules/loader-runner/lib/loadLoader.js new file mode 100644 index 0000000..a6bc4e7 --- /dev/null +++ b/node_modules/loader-runner/lib/loadLoader.js @@ -0,0 +1,49 @@ +var LoaderLoadingError = require("./LoaderLoadingError"); + +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") { + return callback(new LoaderLoadingError( + "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 module !== "function" && typeof module !== "object") { + return callback(new LoaderLoadingError( + "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") { + return callback(new LoaderLoadingError( + "Module '" + loader.path + "' is not a loader (must have normal or pitch function)" + )); + } + callback(); + } +}; |