chushihua

node_modules/webpack/lib/DependenciesBlock.js

@@ -0,0 +1,81 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+ */
+"use strict";
+
+const DependenciesBlockVariable = require("./DependenciesBlockVariable");
+
+function disconnect(i) {
+	i.disconnect();
+}
+
+function unseal(i) {
+	i.unseal();
+}
+
+class DependenciesBlock {
+	constructor() {
+		this.dependencies = [];
+		this.blocks = [];
+		this.variables = [];
+	}
+
+	addBlock(block) {
+		this.blocks.push(block);
+		block.parent = this;
+	}
+
+	addVariable(name, expression, dependencies) {
+		for(let v of this.variables) {
+			if(v.name === name && v.expression === expression) {
+				return;
+			}
+		}
+		this.variables.push(new DependenciesBlockVariable(name, expression, dependencies));
+	}
+
+	addDependency(dependency) {
+		this.dependencies.push(dependency);
+	}
+
+	updateHash(hash) {
+		function updateHash(i) {
+			i.updateHash(hash);
+		}
+
+		this.dependencies.forEach(updateHash);
+		this.blocks.forEach(updateHash);
+		this.variables.forEach(updateHash);
+	}
+
+	disconnect() {
+		this.dependencies.forEach(disconnect);
+		this.blocks.forEach(disconnect);
+		this.variables.forEach(disconnect);
+	}
+
+	unseal() {
+		this.blocks.forEach(unseal);
+	}
+
+	hasDependencies(filter) {
+		if(filter) {
+			if(this.dependencies.some(filter)) {
+				return true;
+			}
+		} else {
+			if(this.dependencies.length > 0) {
+				return true;
+			}
+		}
+
+		return this.blocks.concat(this.variables).some(item => item.hasDependencies(filter));
+	}
+
+	sortItems() {
+		this.blocks.forEach(block => block.sortItems());
+	}
+}
+
+module.exports = DependenciesBlock;