diff options
Diffstat (limited to 'node_modules/webpack/lib/HotModuleReplacement.runtime.js')
| -rw-r--r-- | node_modules/webpack/lib/HotModuleReplacement.runtime.js | 721 |
1 files changed, 721 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/HotModuleReplacement.runtime.js b/node_modules/webpack/lib/HotModuleReplacement.runtime.js new file mode 100644 index 0000000..02b3e8c --- /dev/null +++ b/node_modules/webpack/lib/HotModuleReplacement.runtime.js @@ -0,0 +1,721 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ +// eslint-disable no-unused-vars +var $hash$ = undefined; +var $requestTimeout$ = undefined; +var installedModules = undefined; +var $require$ = undefined; +var hotDownloadManifest = undefined; +var hotDownloadUpdateChunk = undefined; +var hotDisposeChunk = undefined; +var modules = undefined; +var chunkId = undefined; + +module.exports = function() { + var hotApplyOnUpdate = true; + // eslint-disable-next-line no-unused-vars + var hotCurrentHash = $hash$; + var hotRequestTimeout = $requestTimeout$; + var hotCurrentModuleData = {}; + var hotCurrentChildModule; + // eslint-disable-next-line no-unused-vars + var hotCurrentParents = []; + // eslint-disable-next-line no-unused-vars + var hotCurrentParentsTemp = []; + + // eslint-disable-next-line no-unused-vars + function hotCreateRequire(moduleId) { + 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) === -1) { + installedModules[request].parents.push(moduleId); + } + } else { + hotCurrentParents = [moduleId]; + hotCurrentChildModule = request; + } + if (me.children.indexOf(request) === -1) { + 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" && + name !== "t" + ) { + 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(); + } + } + } + }; + fn.t = function(value, mode) { + if (mode & 1) value = fn(value); + return $require$.t(value, mode & ~1); + }; + return fn; + } + + // eslint-disable-next-line no-unused-vars + function hotCreateModule(moduleId) { + var hot = { + // private stuff + _acceptedDependencies: {}, + _declinedDependencies: {}, + _selfAccepted: false, + _selfDeclined: false, + _selfInvalidated: false, + _disposeHandlers: [], + _main: hotCurrentChildModule !== moduleId, + + // Module API + active: true, + accept: function(dep, callback) { + if (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 (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); + }, + invalidate: function() { + this._selfInvalidated = true; + switch (hotStatus) { + case "idle": + hotUpdate = {}; + hotUpdate[moduleId] = modules[moduleId]; + hotSetStatus("ready"); + break; + case "ready": + hotApplyInvalidatedModule(moduleId); + break; + case "prepare": + case "check": + case "dispose": + case "apply": + (hotQueuedInvalidatedModules = + hotQueuedInvalidatedModules || []).push(moduleId); + break; + default: + // ignore requests in error states + break; + } + }, + + // 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, hotQueuedInvalidatedModules; + + 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(hotApplyInvalidatedModules() ? "ready" : "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-next-line no-lone-blocks + { + hotEnsureUpdateChunk(chunkId); + } + if ( + hotStatus === "prepare" && + hotChunksLoading === 0 && + hotWaitingFiles === 0 + ) { + hotUpdateDownloaded(); + } + return promise; + }); + } + + // eslint-disable-next-line no-unused-vars + function hotAddUpdateChunk(chunkId, moreModules) { + 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 || {}; + return hotApplyInternal(options); + } + + function hotApplyInternal(options) { + hotApplyInvalidatedModules(); + + var cb; + var i; + var j; + var module; + var moduleId; + + function getAffectedStuff(updateModuleId) { + var outdatedModules = [updateModuleId]; + var outdatedDependencies = {}; + + var queue = outdatedModules.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 && !module.hot._selfInvalidated) + ) + 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) !== -1) 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) === -1) 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); + /** @type {TODO} */ + var result; + if (hotUpdate[id]) { + result = getAffectedStuff(moduleId); + } else { + result = { + type: "disposed", + moduleId: id + }; + } + /** @type {Error|false} */ + 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 && + // removed self-accepted modules should not be required + appliedUpdate[moduleId] !== warnUnexpectedRequire && + // when called invalidate self-accepting is not possible + !installedModules[moduleId].hot._selfInvalidated + ) { + outdatedSelfAcceptedModules.push({ + module: moduleId, + parents: installedModules[moduleId].parents.slice(), + 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); + } + } + } + } + + // Now in "apply" phase + hotSetStatus("apply"); + + if (hotUpdateNewHash !== undefined) { + hotCurrentHash = hotUpdateNewHash; + hotUpdateNewHash = undefined; + } + hotUpdate = undefined; + + // 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) !== -1) 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 = item.parents; + hotCurrentChildModule = 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, + 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); + } + + if (hotQueuedInvalidatedModules) { + return hotApplyInternal(options).then(function(list) { + outdatedModules.forEach(function(moduleId) { + if (list.indexOf(moduleId) < 0) list.push(moduleId); + }); + return list; + }); + } + + hotSetStatus("idle"); + return new Promise(function(resolve) { + resolve(outdatedModules); + }); + } + + function hotApplyInvalidatedModules() { + if (hotQueuedInvalidatedModules) { + if (!hotUpdate) hotUpdate = {}; + hotQueuedInvalidatedModules.forEach(hotApplyInvalidatedModule); + hotQueuedInvalidatedModules = undefined; + return true; + } + } + + function hotApplyInvalidatedModule(moduleId) { + if (!Object.prototype.hasOwnProperty.call(hotUpdate, moduleId)) + hotUpdate[moduleId] = modules[moduleId]; + } +}; |