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Copy pathHotModuleReplacement.runtime.js
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601 lines (558 loc) · 16.2 KB
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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
});
}
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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