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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const DependenciesBlock = require("./DependenciesBlock");
const ModuleReason = require("./ModuleReason");
const Template = require("./Template");
function addToSet(set, items) {
for(let item of items) {
if(set.indexOf(item) < 0)
set.push(item);
}
}
function byId(a, b) {
return a.id - b.id;
}
let debugId = 1000;
class Module extends DependenciesBlock {
constructor() {
super();
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 = {};
}
disconnect() {
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;
super.disconnect();
}
unseal() {
this.lastId = this.id;
this.id = null;
this.index = null;
this.index2 = null;
this.depth = null;
this.chunks.length = 0;
super.unseal();
}
addChunk(chunk) {
let idx = this.chunks.indexOf(chunk);
if(idx < 0)
this.chunks.push(chunk);
}
removeChunk(chunk) {
let idx = this.chunks.indexOf(chunk);
if(idx >= 0) {
this.chunks.splice(idx, 1);
chunk.removeModule(this);
return true;
}
return false;
}
addReason(module, dependency) {
this.reasons.push(new ModuleReason(module, dependency));
}
removeReason(module, dependency) {
for(let i = 0; i < this.reasons.length; i++) {
let r = this.reasons[i];
if(r.module === module && r.dependency === dependency) {
this.reasons.splice(i, 1);
return true;
}
}
return false;
}
hasReasonForChunk(chunk) {
for(let r of this.reasons) {
if(r.chunks) {
if(r.chunks.indexOf(chunk) >= 0)
return true;
} else if(r.module.chunks.indexOf(chunk) >= 0)
return true;
}
return false;
}
rewriteChunkInReasons(oldChunk, newChunks) {
this.reasons.forEach(r => {
if(!r.chunks) {
if(r.module.chunks.indexOf(oldChunk) < 0)
return;
r.chunks = r.module.chunks;
}
r.chunks = r.chunks.reduce((arr, c) => {
addToSet(arr, c !== oldChunk ? [c] : newChunks);
return arr;
}, []);
});
}
isUsed(exportName) {
if(this.used === null) return exportName;
if(!exportName) return !!this.used;
if(!this.used) return false;
if(!this.usedExports) return false;
if(this.usedExports === true) return exportName;
let idx = this.usedExports.indexOf(exportName);
if(idx < 0) return false;
if(this.isProvided(exportName))
return Template.numberToIdentifer(idx);
return exportName;
}
isProvided(exportName) {
if(!Array.isArray(this.providedExports))
return null;
return this.providedExports.indexOf(exportName) >= 0;
}
toString() {
return `Module[${this.id || this.debugId}]`;
}
needRebuild(fileTimestamps, contextTimestamps) {
return true;
}
updateHash(hash) {
hash.update(this.id + "" + this.used);
hash.update(JSON.stringify(this.usedExports));
super.updateHash(hash);
}
sortItems() {
super.sortItems();
this.chunks.sort(byId);
this.reasons.sort((a, b) => byId(a.module, b.module));
}
unbuild() {
this.disconnect();
}
}
Object.defineProperty(Module.prototype, "entry", {
configurable: false,
get() {
throw new Error("Module.entry was removed. Use Chunk.entryModule");
},
set() {
throw new Error("Module.entry was removed. Use Chunk.entryModule");
}
});
Module.prototype.identifier = null;
Module.prototype.readableIdentifier = null;
Module.prototype.build = null;
Module.prototype.source = null;
Module.prototype.size = null;
Module.prototype.nameForCondition = null;
module.exports = Module;
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