webpack/lib/Module.js at master · codeinvain/webpack · GitHub

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MIT License http://www.opensource.org/licenses/mit-license.php

Author Tobias Koppers @sokra

var DependenciesBlock = require("./DependenciesBlock");

var ModuleReason = require("./ModuleReason");

var Template = require("./Template");

var HarmonyModulesHelpers = require("./dependencies/HarmonyModulesHelpers");

var debugId = 1000;

function Module() {

DependenciesBlock.call(this);

this.context = null;

this.reasons = [];

this.debugId = debugId++;

this.lastId = -1;

this.id = null;

this.portableId = null;

this.index = null;

this.index2 = null;

this.depth = null;

this.used = null;

this.usedExports = null;

this.providedExports = null;

this.chunks = [];

this.warnings = [];

this.dependenciesWarnings = [];

this.errors = [];

this.dependenciesErrors = [];

this.strict = false;

this.meta = {};

}

module.exports = Module;

Module.prototype = Object.create(DependenciesBlock.prototype);

Module.prototype.constructor = Module;

Object.defineProperty(Module.prototype, "entry", {

configurable: false,

get: function() {

throw new Error("Module.entry was removed. Use Chunk.entryModule");

set: function() {

throw new Error("Module.entry was removed. Use Chunk.entryModule");

}

});

Module.prototype.disconnect = function() {

this.reasons.length = 0;

this.lastId = this.id;

this.id = null;

this.index = null;

this.index2 = null;

this.depth = null;

this.used = null;

this.usedExports = null;

this.providedExports = null;

this.chunks.length = 0;

DependenciesBlock.prototype.disconnect.call(this);

};

Module.prototype.unseal = function() {

this.lastId = this.id;

this.id = null;

this.index = null;

this.index2 = null;

this.depth = null;

this.chunks.length = 0;

DependenciesBlock.prototype.unseal.call(this);

};

Module.prototype.addChunk = function(chunk) {

var idx = this.chunks.indexOf(chunk);

if(idx < 0)

this.chunks.push(chunk);

};

Module.prototype._removeAndDo = require("./removeAndDo");

Module.prototype.removeChunk = function(chunk) {

return this._removeAndDo("chunks", chunk, "removeModule");

};

Module.prototype.addReason = function(module, dependency) {

this.reasons.push(new ModuleReason(module, dependency));

};

Module.prototype.removeReason = function(module, dependency) {

for(var i = 0; i < this.reasons.length; i++) {

var r = this.reasons[i];

if(r.module === module && r.dependency === dependency) {

this.reasons.splice(i, 1);

return true;

}

return false;

};

Module.prototype.hasReasonForChunk = function(chunk) {

for(var i = 0; i < this.reasons.length; i++) {

var r = this.reasons[i];

if(r.chunks) {

if(r.chunks.indexOf(chunk) >= 0)

return true;

} else if(r.module.chunks.indexOf(chunk) >= 0)

return true;

}

return false;

};

function addToSet(set, items) {

items.forEach(function(item) {

if(set.indexOf(item) < 0)

set.push(item);

});

}

Module.prototype.rewriteChunkInReasons = function(oldChunk, newChunks) {

this.reasons.forEach(function(r) {

if(!r.chunks) {

if(r.module.chunks.indexOf(oldChunk) < 0)

return;

r.chunks = r.module.chunks;

}

r.chunks = r.chunks.reduce(function(arr, c) {

addToSet(arr, c !== oldChunk ? [c] : newChunks);

return arr;

}, []);

});

};

Module.prototype.isUsed = function(exportName) {

if(this.used === null) return exportName;

if(!exportName) return this.used ? true : false;

if(!this.used) return false;

if(!this.usedExports) return false;

if(this.usedExports === true) return exportName;

var idx = this.usedExports.indexOf(exportName);

if(idx < 0) return false;

if(this.isProvided(exportName))

return Template.numberToIdentifer(idx);

return exportName;

};

Module.prototype.isProvided = function(exportName) {

if(!Array.isArray(this.providedExports))

return null;

return this.providedExports.indexOf(exportName) >= 0;

};

Module.prototype.toString = function() {

return "Module[" + (this.id || this.debugId) + "]";

};

Module.prototype.needRebuild = function( /* fileTimestamps, contextTimestamps */ ) {

return true;

};

Module.prototype.updateHash = function(hash) {

hash.update(this.id + "" + this.used);

hash.update(JSON.stringify(this.usedExports));

DependenciesBlock.prototype.updateHash.call(this, hash);

};

function byId(a, b) {

return a.id - b.id;

}

Module.prototype.sortItems = function() {

DependenciesBlock.prototype.sortItems.call(this);

this.chunks.sort(byId);

this.reasons.sort(function(a, b) {

return byId(a.module, b.module);

});

};

Module.prototype.unbuild = function() {

this.disconnect();

};

Module.prototype.identifier = null;

Module.prototype.readableIdentifier = null;

Module.prototype.build = null;

Module.prototype.source = null;

Module.prototype.size = null;

Module.prototype.nameForCondition = null;

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