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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- /*global $hash$ $requestTimeout$ installedModules $require$ hotDownloadManifest hotDownloadUpdateChunk hotDisposeChunk modules */
- module.exports = function() {
-
- var hotApplyOnUpdate = true;
- var hotCurrentHash = $hash$; // eslint-disable-line no-unused-vars
- var hotRequestTimeout = $requestTimeout$;
- var hotCurrentModuleData = {};
- var hotCurrentChildModule; // eslint-disable-line no-unused-vars
- var hotCurrentParents = []; // eslint-disable-line no-unused-vars
- var hotCurrentParentsTemp = []; // eslint-disable-line no-unused-vars
-
- function hotCreateRequire(moduleId) { // eslint-disable-line no-unused-vars
- var me = installedModules[moduleId];
- if(!me) return $require$;
- var fn = function(request) {
- if(me.hot.active) {
- if(installedModules[request]) {
- if(installedModules[request].parents.indexOf(moduleId) < 0)
- installedModules[request].parents.push(moduleId);
- } else {
- hotCurrentParents = [moduleId];
- hotCurrentChildModule = request;
- }
- if(me.children.indexOf(request) < 0)
- me.children.push(request);
- } else {
- console.warn("[HMR] unexpected require(" + request + ") from disposed module " + moduleId);
- hotCurrentParents = [];
- }
- return $require$(request);
- };
- var ObjectFactory = function ObjectFactory(name) {
- return {
- configurable: true,
- enumerable: true,
- get: function() {
- return $require$[name];
- },
- set: function(value) {
- $require$[name] = value;
- }
- };
- };
- for(var name in $require$) {
- if(Object.prototype.hasOwnProperty.call($require$, name) && name !== "e") {
- Object.defineProperty(fn, name, ObjectFactory(name));
- }
- }
- fn.e = function(chunkId) {
- if(hotStatus === "ready")
- hotSetStatus("prepare");
- hotChunksLoading++;
- return $require$.e(chunkId).then(finishChunkLoading, function(err) {
- finishChunkLoading();
- throw err;
- });
-
- function finishChunkLoading() {
- hotChunksLoading--;
- if(hotStatus === "prepare") {
- if(!hotWaitingFilesMap[chunkId]) {
- hotEnsureUpdateChunk(chunkId);
- }
- if(hotChunksLoading === 0 && hotWaitingFiles === 0) {
- hotUpdateDownloaded();
- }
- }
- }
- };
- return fn;
- }
-
- function hotCreateModule(moduleId) { // eslint-disable-line no-unused-vars
- var hot = {
- // private stuff
- _acceptedDependencies: {},
- _declinedDependencies: {},
- _selfAccepted: false,
- _selfDeclined: false,
- _disposeHandlers: [],
- _main: hotCurrentChildModule !== moduleId,
-
- // Module API
- active: true,
- accept: function(dep, callback) {
- if(typeof dep === "undefined")
- hot._selfAccepted = true;
- else if(typeof dep === "function")
- hot._selfAccepted = dep;
- else if(typeof dep === "object")
- for(var i = 0; i < dep.length; i++)
- hot._acceptedDependencies[dep[i]] = callback || function() {};
- else
- hot._acceptedDependencies[dep] = callback || function() {};
- },
- decline: function(dep) {
- if(typeof dep === "undefined")
- hot._selfDeclined = true;
- else if(typeof dep === "object")
- for(var i = 0; i < dep.length; i++)
- hot._declinedDependencies[dep[i]] = true;
- else
- hot._declinedDependencies[dep] = true;
- },
- dispose: function(callback) {
- hot._disposeHandlers.push(callback);
- },
- addDisposeHandler: function(callback) {
- hot._disposeHandlers.push(callback);
- },
- removeDisposeHandler: function(callback) {
- var idx = hot._disposeHandlers.indexOf(callback);
- if(idx >= 0) hot._disposeHandlers.splice(idx, 1);
- },
-
- // Management API
- check: hotCheck,
- apply: hotApply,
- status: function(l) {
- if(!l) return hotStatus;
- hotStatusHandlers.push(l);
- },
- addStatusHandler: function(l) {
- hotStatusHandlers.push(l);
- },
- removeStatusHandler: function(l) {
- var idx = hotStatusHandlers.indexOf(l);
- if(idx >= 0) hotStatusHandlers.splice(idx, 1);
- },
-
- //inherit from previous dispose call
- data: hotCurrentModuleData[moduleId]
- };
- hotCurrentChildModule = undefined;
- return hot;
- }
-
- var hotStatusHandlers = [];
- var hotStatus = "idle";
-
- function hotSetStatus(newStatus) {
- hotStatus = newStatus;
- for(var i = 0; i < hotStatusHandlers.length; i++)
- hotStatusHandlers[i].call(null, newStatus);
- }
-
- // while downloading
- var hotWaitingFiles = 0;
- var hotChunksLoading = 0;
- var hotWaitingFilesMap = {};
- var hotRequestedFilesMap = {};
- var hotAvailableFilesMap = {};
- var hotDeferred;
-
- // The update info
- var hotUpdate, hotUpdateNewHash;
-
- function toModuleId(id) {
- var isNumber = (+id) + "" === id;
- return isNumber ? +id : id;
- }
-
- function hotCheck(apply) {
- if(hotStatus !== "idle") throw new Error("check() is only allowed in idle status");
- hotApplyOnUpdate = apply;
- hotSetStatus("check");
- return hotDownloadManifest(hotRequestTimeout).then(function(update) {
- if(!update) {
- hotSetStatus("idle");
- return null;
- }
- hotRequestedFilesMap = {};
- hotWaitingFilesMap = {};
- hotAvailableFilesMap = update.c;
- hotUpdateNewHash = update.h;
-
- hotSetStatus("prepare");
- var promise = new Promise(function(resolve, reject) {
- hotDeferred = {
- resolve: resolve,
- reject: reject
- };
- });
- hotUpdate = {};
- /*foreachInstalledChunks*/
- { // eslint-disable-line no-lone-blocks
- /*globals chunkId */
- hotEnsureUpdateChunk(chunkId);
- }
- if(hotStatus === "prepare" && hotChunksLoading === 0 && hotWaitingFiles === 0) {
- hotUpdateDownloaded();
- }
- return promise;
- });
- }
-
- function hotAddUpdateChunk(chunkId, moreModules) { // eslint-disable-line no-unused-vars
- if(!hotAvailableFilesMap[chunkId] || !hotRequestedFilesMap[chunkId])
- return;
- hotRequestedFilesMap[chunkId] = false;
- for(var moduleId in moreModules) {
- if(Object.prototype.hasOwnProperty.call(moreModules, moduleId)) {
- hotUpdate[moduleId] = moreModules[moduleId];
- }
- }
- if(--hotWaitingFiles === 0 && hotChunksLoading === 0) {
- hotUpdateDownloaded();
- }
- }
-
- function hotEnsureUpdateChunk(chunkId) {
- if(!hotAvailableFilesMap[chunkId]) {
- hotWaitingFilesMap[chunkId] = true;
- } else {
- hotRequestedFilesMap[chunkId] = true;
- hotWaitingFiles++;
- hotDownloadUpdateChunk(chunkId);
- }
- }
-
- function hotUpdateDownloaded() {
- hotSetStatus("ready");
- var deferred = hotDeferred;
- hotDeferred = null;
- if(!deferred) return;
- if(hotApplyOnUpdate) {
- // Wrap deferred object in Promise to mark it as a well-handled Promise to
- // avoid triggering uncaught exception warning in Chrome.
- // See https://bugs.chromium.org/p/chromium/issues/detail?id=465666
- Promise.resolve().then(function() {
- return hotApply(hotApplyOnUpdate);
- }).then(
- function(result) {
- deferred.resolve(result);
- },
- function(err) {
- deferred.reject(err);
- }
- );
- } else {
- var outdatedModules = [];
- for(var id in hotUpdate) {
- if(Object.prototype.hasOwnProperty.call(hotUpdate, id)) {
- outdatedModules.push(toModuleId(id));
- }
- }
- deferred.resolve(outdatedModules);
- }
- }
-
- function hotApply(options) {
- if(hotStatus !== "ready") throw new Error("apply() is only allowed in ready status");
- options = options || {};
-
- var cb;
- var i;
- var j;
- var module;
- var moduleId;
-
- function getAffectedStuff(updateModuleId) {
- var outdatedModules = [updateModuleId];
- var outdatedDependencies = {};
-
- var queue = outdatedModules.slice().map(function(id) {
- return {
- chain: [id],
- id: id
- };
- });
- while(queue.length > 0) {
- var queueItem = queue.pop();
- var moduleId = queueItem.id;
- var chain = queueItem.chain;
- module = installedModules[moduleId];
- if(!module || module.hot._selfAccepted)
- continue;
- if(module.hot._selfDeclined) {
- return {
- type: "self-declined",
- chain: chain,
- moduleId: moduleId
- };
- }
- if(module.hot._main) {
- return {
- type: "unaccepted",
- chain: chain,
- moduleId: moduleId
- };
- }
- for(var i = 0; i < module.parents.length; i++) {
- var parentId = module.parents[i];
- var parent = installedModules[parentId];
- if(!parent) continue;
- if(parent.hot._declinedDependencies[moduleId]) {
- return {
- type: "declined",
- chain: chain.concat([parentId]),
- moduleId: moduleId,
- parentId: parentId
- };
- }
- if(outdatedModules.indexOf(parentId) >= 0) continue;
- if(parent.hot._acceptedDependencies[moduleId]) {
- if(!outdatedDependencies[parentId])
- outdatedDependencies[parentId] = [];
- addAllToSet(outdatedDependencies[parentId], [moduleId]);
- continue;
- }
- delete outdatedDependencies[parentId];
- outdatedModules.push(parentId);
- queue.push({
- chain: chain.concat([parentId]),
- id: parentId
- });
- }
- }
-
- return {
- type: "accepted",
- moduleId: updateModuleId,
- outdatedModules: outdatedModules,
- outdatedDependencies: outdatedDependencies
- };
- }
-
- function addAllToSet(a, b) {
- for(var i = 0; i < b.length; i++) {
- var item = b[i];
- if(a.indexOf(item) < 0)
- a.push(item);
- }
- }
-
- // at begin all updates modules are outdated
- // the "outdated" status can propagate to parents if they don't accept the children
- var outdatedDependencies = {};
- var outdatedModules = [];
- var appliedUpdate = {};
-
- var warnUnexpectedRequire = function warnUnexpectedRequire() {
- console.warn("[HMR] unexpected require(" + result.moduleId + ") to disposed module");
- };
-
- for(var id in hotUpdate) {
- if(Object.prototype.hasOwnProperty.call(hotUpdate, id)) {
- moduleId = toModuleId(id);
- var result;
- if(hotUpdate[id]) {
- result = getAffectedStuff(moduleId);
- } else {
- result = {
- type: "disposed",
- moduleId: id
- };
- }
- var abortError = false;
- var doApply = false;
- var doDispose = false;
- var chainInfo = "";
- if(result.chain) {
- chainInfo = "\nUpdate propagation: " + result.chain.join(" -> ");
- }
- switch(result.type) {
- case "self-declined":
- if(options.onDeclined)
- options.onDeclined(result);
- if(!options.ignoreDeclined)
- abortError = new Error("Aborted because of self decline: " + result.moduleId + chainInfo);
- break;
- case "declined":
- if(options.onDeclined)
- options.onDeclined(result);
- if(!options.ignoreDeclined)
- abortError = new Error("Aborted because of declined dependency: " + result.moduleId + " in " + result.parentId + chainInfo);
- break;
- case "unaccepted":
- if(options.onUnaccepted)
- options.onUnaccepted(result);
- if(!options.ignoreUnaccepted)
- abortError = new Error("Aborted because " + moduleId + " is not accepted" + chainInfo);
- break;
- case "accepted":
- if(options.onAccepted)
- options.onAccepted(result);
- doApply = true;
- break;
- case "disposed":
- if(options.onDisposed)
- options.onDisposed(result);
- doDispose = true;
- break;
- default:
- throw new Error("Unexception type " + result.type);
- }
- if(abortError) {
- hotSetStatus("abort");
- return Promise.reject(abortError);
- }
- if(doApply) {
- appliedUpdate[moduleId] = hotUpdate[moduleId];
- addAllToSet(outdatedModules, result.outdatedModules);
- for(moduleId in result.outdatedDependencies) {
- if(Object.prototype.hasOwnProperty.call(result.outdatedDependencies, moduleId)) {
- if(!outdatedDependencies[moduleId])
- outdatedDependencies[moduleId] = [];
- addAllToSet(outdatedDependencies[moduleId], result.outdatedDependencies[moduleId]);
- }
- }
- }
- if(doDispose) {
- addAllToSet(outdatedModules, [result.moduleId]);
- appliedUpdate[moduleId] = warnUnexpectedRequire;
- }
- }
- }
-
- // Store self accepted outdated modules to require them later by the module system
- var outdatedSelfAcceptedModules = [];
- for(i = 0; i < outdatedModules.length; i++) {
- moduleId = outdatedModules[i];
- if(installedModules[moduleId] && installedModules[moduleId].hot._selfAccepted)
- outdatedSelfAcceptedModules.push({
- module: moduleId,
- errorHandler: installedModules[moduleId].hot._selfAccepted
- });
- }
-
- // Now in "dispose" phase
- hotSetStatus("dispose");
- Object.keys(hotAvailableFilesMap).forEach(function(chunkId) {
- if(hotAvailableFilesMap[chunkId] === false) {
- hotDisposeChunk(chunkId);
- }
- });
-
- var idx;
- var queue = outdatedModules.slice();
- while(queue.length > 0) {
- moduleId = queue.pop();
- module = installedModules[moduleId];
- if(!module) continue;
-
- var data = {};
-
- // Call dispose handlers
- var disposeHandlers = module.hot._disposeHandlers;
- for(j = 0; j < disposeHandlers.length; j++) {
- cb = disposeHandlers[j];
- cb(data);
- }
- hotCurrentModuleData[moduleId] = data;
-
- // disable module (this disables requires from this module)
- module.hot.active = false;
-
- // remove module from cache
- delete installedModules[moduleId];
-
- // when disposing there is no need to call dispose handler
- delete outdatedDependencies[moduleId];
-
- // remove "parents" references from all children
- for(j = 0; j < module.children.length; j++) {
- var child = installedModules[module.children[j]];
- if(!child) continue;
- idx = child.parents.indexOf(moduleId);
- if(idx >= 0) {
- child.parents.splice(idx, 1);
- }
- }
- }
-
- // remove outdated dependency from module children
- var dependency;
- var moduleOutdatedDependencies;
- for(moduleId in outdatedDependencies) {
- if(Object.prototype.hasOwnProperty.call(outdatedDependencies, moduleId)) {
- module = installedModules[moduleId];
- if(module) {
- moduleOutdatedDependencies = outdatedDependencies[moduleId];
- for(j = 0; j < moduleOutdatedDependencies.length; j++) {
- dependency = moduleOutdatedDependencies[j];
- idx = module.children.indexOf(dependency);
- if(idx >= 0) module.children.splice(idx, 1);
- }
- }
- }
- }
-
- // Not in "apply" phase
- hotSetStatus("apply");
-
- hotCurrentHash = hotUpdateNewHash;
-
- // insert new code
- for(moduleId in appliedUpdate) {
- if(Object.prototype.hasOwnProperty.call(appliedUpdate, moduleId)) {
- modules[moduleId] = appliedUpdate[moduleId];
- }
- }
-
- // call accept handlers
- var error = null;
- for(moduleId in outdatedDependencies) {
- if(Object.prototype.hasOwnProperty.call(outdatedDependencies, moduleId)) {
- module = installedModules[moduleId];
- if(module) {
- moduleOutdatedDependencies = outdatedDependencies[moduleId];
- var callbacks = [];
- for(i = 0; i < moduleOutdatedDependencies.length; i++) {
- dependency = moduleOutdatedDependencies[i];
- cb = module.hot._acceptedDependencies[dependency];
- if(cb) {
- if(callbacks.indexOf(cb) >= 0) continue;
- callbacks.push(cb);
- }
- }
- for(i = 0; i < callbacks.length; i++) {
- cb = callbacks[i];
- try {
- cb(moduleOutdatedDependencies);
- } catch(err) {
- if(options.onErrored) {
- options.onErrored({
- type: "accept-errored",
- moduleId: moduleId,
- dependencyId: moduleOutdatedDependencies[i],
- error: err
- });
- }
- if(!options.ignoreErrored) {
- if(!error)
- error = err;
- }
- }
- }
- }
- }
- }
-
- // Load self accepted modules
- for(i = 0; i < outdatedSelfAcceptedModules.length; i++) {
- var item = outdatedSelfAcceptedModules[i];
- moduleId = item.module;
- hotCurrentParents = [moduleId];
- try {
- $require$(moduleId);
- } catch(err) {
- if(typeof item.errorHandler === "function") {
- try {
- item.errorHandler(err);
- } catch(err2) {
- if(options.onErrored) {
- options.onErrored({
- type: "self-accept-error-handler-errored",
- moduleId: moduleId,
- error: err2,
- orginalError: err, // TODO remove in webpack 4
- originalError: err
- });
- }
- if(!options.ignoreErrored) {
- if(!error)
- error = err2;
- }
- if(!error)
- error = err;
- }
- } else {
- if(options.onErrored) {
- options.onErrored({
- type: "self-accept-errored",
- moduleId: moduleId,
- error: err
- });
- }
- if(!options.ignoreErrored) {
- if(!error)
- error = err;
- }
- }
- }
- }
-
- // handle errors in accept handlers and self accepted module load
- if(error) {
- hotSetStatus("fail");
- return Promise.reject(error);
- }
-
- hotSetStatus("idle");
- return new Promise(function(resolve) {
- resolve(outdatedModules);
- });
- }
- };
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