mirror of https://github.com/webpack/webpack.git
365 lines
9.6 KiB
JavaScript
365 lines
9.6 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
/*global $options$ $updateModuleFactories$ $updateRuntimeModules$ $moduleCache$ $moduleFactories$ $hmrModuleData$ __webpack_require__ */
|
|
|
|
module.exports = function() {
|
|
function getAffectedModuleEffects(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;
|
|
var module = $moduleCache$[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 = $moduleCache$[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// at begin all updates modules are outdated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// the "outdated" status can propagate to parents if they don't accept the children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 moduleId in $updateModuleFactories$) {
|
|
if (
|
|
Object.prototype.hasOwnProperty.call($updateModuleFactories$, moduleId)
|
|
) {
|
|
var newModuleFactory = $updateModuleFactories$[moduleId];
|
|
/** @type {TODO} */
|
|
var result;
|
|
if (newModuleFactory) {
|
|
result = getAffectedModuleEffects(moduleId);
|
|
} else {
|
|
result = {
|
|
type: "disposed",
|
|
moduleId: moduleId
|
|
};
|
|
}
|
|
/** @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) {
|
|
return {
|
|
error: abortError
|
|
};
|
|
}
|
|
if (doApply) {
|
|
appliedUpdate[moduleId] = newModuleFactory;
|
|
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 (var j = 0; j < outdatedModules.length; j++) {
|
|
var outdatedModuleId = outdatedModules[j];
|
|
if (
|
|
$moduleCache$[outdatedModuleId] &&
|
|
$moduleCache$[outdatedModuleId].hot._selfAccepted
|
|
)
|
|
outdatedSelfAcceptedModules.push({
|
|
module: outdatedModuleId,
|
|
require: $moduleCache$[outdatedModuleId].hot._requireSelf,
|
|
errorHandler: $moduleCache$[outdatedModuleId].hot._selfAccepted
|
|
});
|
|
}
|
|
|
|
var moduleOutdatedDependencies;
|
|
|
|
return {
|
|
dispose: function() {
|
|
// $dispose$
|
|
|
|
var idx;
|
|
var queue = outdatedModules.slice();
|
|
while (queue.length > 0) {
|
|
var moduleId = queue.pop();
|
|
var module = $moduleCache$[moduleId];
|
|
if (!module) continue;
|
|
|
|
var data = {};
|
|
|
|
// Call dispose handlers
|
|
var disposeHandlers = module.hot._disposeHandlers;
|
|
for (j = 0; j < disposeHandlers.length; j++) {
|
|
disposeHandlers[j].call(null, data);
|
|
}
|
|
$hmrModuleData$[moduleId] = data;
|
|
|
|
// disable module (this disables requires from this module)
|
|
module.hot.active = false;
|
|
|
|
// remove module from cache
|
|
delete $moduleCache$[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 = $moduleCache$[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;
|
|
for (var outdatedModuleId in outdatedDependencies) {
|
|
if (
|
|
Object.prototype.hasOwnProperty.call(
|
|
outdatedDependencies,
|
|
outdatedModuleId
|
|
)
|
|
) {
|
|
module = $moduleCache$[outdatedModuleId];
|
|
if (module) {
|
|
moduleOutdatedDependencies = outdatedDependencies[outdatedModuleId];
|
|
for (j = 0; j < moduleOutdatedDependencies.length; j++) {
|
|
dependency = moduleOutdatedDependencies[j];
|
|
idx = module.children.indexOf(dependency);
|
|
if (idx >= 0) module.children.splice(idx, 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
apply: function(reportError) {
|
|
// insert new code
|
|
for (var updateModuleId in appliedUpdate) {
|
|
if (
|
|
Object.prototype.hasOwnProperty.call(appliedUpdate, updateModuleId)
|
|
) {
|
|
$moduleFactories$[updateModuleId] = appliedUpdate[updateModuleId];
|
|
}
|
|
}
|
|
|
|
// run new runtime modules
|
|
for (var i = 0; i < $updateRuntimeModules$.length; i++) {
|
|
$updateRuntimeModules$[i](__webpack_require__);
|
|
}
|
|
|
|
// call accept handlers
|
|
var error = null;
|
|
for (var outdatedModuleId in outdatedDependencies) {
|
|
if (
|
|
Object.prototype.hasOwnProperty.call(
|
|
outdatedDependencies,
|
|
outdatedModuleId
|
|
)
|
|
) {
|
|
var module = $moduleCache$[outdatedModuleId];
|
|
if (module) {
|
|
moduleOutdatedDependencies = outdatedDependencies[outdatedModuleId];
|
|
var callbacks = [];
|
|
for (var j = 0; j < moduleOutdatedDependencies.length; j++) {
|
|
var dependency = moduleOutdatedDependencies[j];
|
|
var acceptCallback = module.hot._acceptedDependencies[dependency];
|
|
if (acceptCallback) {
|
|
if (callbacks.indexOf(acceptCallback) !== -1) continue;
|
|
callbacks.push(acceptCallback);
|
|
}
|
|
}
|
|
for (var k = 0; k < callbacks.length; k++) {
|
|
try {
|
|
callbacks[k].call(null, moduleOutdatedDependencies);
|
|
} catch (err) {
|
|
if ($options$.onErrored) {
|
|
$options$.onErrored({
|
|
type: "accept-errored",
|
|
moduleId: outdatedModuleId,
|
|
dependencyId: moduleOutdatedDependencies[i],
|
|
error: err
|
|
});
|
|
}
|
|
if (!$options$.ignoreErrored) {
|
|
if (!error) error = err;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Load self accepted modules
|
|
for (var o = 0; o < outdatedSelfAcceptedModules.length; o++) {
|
|
var item = outdatedSelfAcceptedModules[o];
|
|
var moduleId = item.module;
|
|
try {
|
|
item.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) {
|
|
reportError(err2);
|
|
}
|
|
reportError(err);
|
|
}
|
|
} else {
|
|
if ($options$.onErrored) {
|
|
$options$.onErrored({
|
|
type: "self-accept-errored",
|
|
moduleId: moduleId,
|
|
error: err
|
|
});
|
|
}
|
|
if (!$options$.ignoreErrored) {
|
|
reportError(err);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return outdatedModules;
|
|
}
|
|
};
|
|
};
|