448 lines
11 KiB
JavaScript
448 lines
11 KiB
JavaScript
import {
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baseUniq,
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filter,
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forEach,
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reduce,
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values
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} from "./chunk-BQYCTTAX.js";
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import {
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baseRest,
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isArrayLikeObject,
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isEmpty
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} from "./chunk-SJ5HZDIS.js";
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import {
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isUndefined
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} from "./chunk-CGU436GM.js";
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import {
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baseFlatten,
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constant,
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isFunction,
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keys
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} from "./chunk-LB3CVB72.js";
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// ../node_modules/.pnpm/vue-element-plus-x@1.3.7_ro_47c535807434a0797b7704af258a7bca/node_modules/vue-element-plus-x/dist/graph-3zJxsO-i.js
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var union = baseRest(function(arrays) {
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return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
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});
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var DEFAULT_EDGE_NAME = "\0";
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var GRAPH_NODE = "\0";
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var EDGE_KEY_DELIM = "";
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var Graph = class {
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constructor(opts = {}) {
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this._isDirected = Object.prototype.hasOwnProperty.call(opts, "directed") ? opts.directed : true;
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this._isMultigraph = Object.prototype.hasOwnProperty.call(opts, "multigraph") ? opts.multigraph : false;
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this._isCompound = Object.prototype.hasOwnProperty.call(opts, "compound") ? opts.compound : false;
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this._label = void 0;
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this._defaultNodeLabelFn = constant(void 0);
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this._defaultEdgeLabelFn = constant(void 0);
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this._nodes = {};
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if (this._isCompound) {
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this._parent = {};
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this._children = {};
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this._children[GRAPH_NODE] = {};
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}
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this._in = {};
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this._preds = {};
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this._out = {};
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this._sucs = {};
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this._edgeObjs = {};
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this._edgeLabels = {};
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}
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/* === Graph functions ========= */
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isDirected() {
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return this._isDirected;
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}
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isMultigraph() {
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return this._isMultigraph;
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}
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isCompound() {
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return this._isCompound;
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}
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setGraph(label) {
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this._label = label;
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return this;
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}
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graph() {
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return this._label;
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}
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/* === Node functions ========== */
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setDefaultNodeLabel(newDefault) {
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if (!isFunction(newDefault)) {
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newDefault = constant(newDefault);
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}
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this._defaultNodeLabelFn = newDefault;
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return this;
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}
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nodeCount() {
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return this._nodeCount;
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}
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nodes() {
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return keys(this._nodes);
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}
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sources() {
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var self = this;
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return filter(this.nodes(), function(v) {
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return isEmpty(self._in[v]);
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});
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}
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sinks() {
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var self = this;
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return filter(this.nodes(), function(v) {
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return isEmpty(self._out[v]);
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});
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}
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setNodes(vs, value) {
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var args = arguments;
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var self = this;
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forEach(vs, function(v) {
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if (args.length > 1) {
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self.setNode(v, value);
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} else {
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self.setNode(v);
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}
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});
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return this;
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}
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setNode(v, value) {
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if (Object.prototype.hasOwnProperty.call(this._nodes, v)) {
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if (arguments.length > 1) {
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this._nodes[v] = value;
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}
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return this;
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}
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this._nodes[v] = arguments.length > 1 ? value : this._defaultNodeLabelFn(v);
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if (this._isCompound) {
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this._parent[v] = GRAPH_NODE;
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this._children[v] = {};
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this._children[GRAPH_NODE][v] = true;
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}
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this._in[v] = {};
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this._preds[v] = {};
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this._out[v] = {};
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this._sucs[v] = {};
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++this._nodeCount;
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return this;
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}
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node(v) {
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return this._nodes[v];
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}
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hasNode(v) {
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return Object.prototype.hasOwnProperty.call(this._nodes, v);
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}
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removeNode(v) {
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if (Object.prototype.hasOwnProperty.call(this._nodes, v)) {
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var removeEdge = (e) => this.removeEdge(this._edgeObjs[e]);
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delete this._nodes[v];
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if (this._isCompound) {
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this._removeFromParentsChildList(v);
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delete this._parent[v];
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forEach(this.children(v), (child) => {
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this.setParent(child);
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});
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delete this._children[v];
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}
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forEach(keys(this._in[v]), removeEdge);
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delete this._in[v];
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delete this._preds[v];
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forEach(keys(this._out[v]), removeEdge);
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delete this._out[v];
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delete this._sucs[v];
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--this._nodeCount;
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}
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return this;
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}
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setParent(v, parent) {
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if (!this._isCompound) {
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throw new Error("Cannot set parent in a non-compound graph");
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}
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if (isUndefined(parent)) {
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parent = GRAPH_NODE;
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} else {
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parent += "";
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for (var ancestor = parent; !isUndefined(ancestor); ancestor = this.parent(ancestor)) {
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if (ancestor === v) {
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throw new Error("Setting " + parent + " as parent of " + v + " would create a cycle");
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}
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}
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this.setNode(parent);
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}
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this.setNode(v);
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this._removeFromParentsChildList(v);
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this._parent[v] = parent;
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this._children[parent][v] = true;
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return this;
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}
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_removeFromParentsChildList(v) {
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delete this._children[this._parent[v]][v];
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}
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parent(v) {
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if (this._isCompound) {
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var parent = this._parent[v];
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if (parent !== GRAPH_NODE) {
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return parent;
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}
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}
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}
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children(v) {
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if (isUndefined(v)) {
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v = GRAPH_NODE;
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}
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if (this._isCompound) {
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var children = this._children[v];
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if (children) {
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return keys(children);
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}
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} else if (v === GRAPH_NODE) {
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return this.nodes();
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} else if (this.hasNode(v)) {
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return [];
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}
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}
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predecessors(v) {
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var predsV = this._preds[v];
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if (predsV) {
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return keys(predsV);
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}
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}
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successors(v) {
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var sucsV = this._sucs[v];
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if (sucsV) {
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return keys(sucsV);
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}
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}
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neighbors(v) {
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var preds = this.predecessors(v);
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if (preds) {
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return union(preds, this.successors(v));
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}
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}
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isLeaf(v) {
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var neighbors;
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if (this.isDirected()) {
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neighbors = this.successors(v);
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} else {
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neighbors = this.neighbors(v);
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}
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return neighbors.length === 0;
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}
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filterNodes(filter2) {
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var copy = new this.constructor({
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directed: this._isDirected,
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multigraph: this._isMultigraph,
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compound: this._isCompound
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});
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copy.setGraph(this.graph());
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var self = this;
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forEach(this._nodes, function(value, v) {
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if (filter2(v)) {
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copy.setNode(v, value);
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}
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});
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forEach(this._edgeObjs, function(e) {
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if (copy.hasNode(e.v) && copy.hasNode(e.w)) {
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copy.setEdge(e, self.edge(e));
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}
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});
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var parents = {};
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function findParent(v) {
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var parent = self.parent(v);
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if (parent === void 0 || copy.hasNode(parent)) {
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parents[v] = parent;
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return parent;
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} else if (parent in parents) {
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return parents[parent];
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} else {
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return findParent(parent);
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}
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}
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if (this._isCompound) {
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forEach(copy.nodes(), function(v) {
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copy.setParent(v, findParent(v));
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});
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}
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return copy;
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}
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/* === Edge functions ========== */
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setDefaultEdgeLabel(newDefault) {
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if (!isFunction(newDefault)) {
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newDefault = constant(newDefault);
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}
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this._defaultEdgeLabelFn = newDefault;
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return this;
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}
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edgeCount() {
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return this._edgeCount;
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}
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edges() {
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return values(this._edgeObjs);
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}
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setPath(vs, value) {
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var self = this;
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var args = arguments;
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reduce(vs, function(v, w) {
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if (args.length > 1) {
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self.setEdge(v, w, value);
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} else {
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self.setEdge(v, w);
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}
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return w;
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});
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return this;
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}
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/*
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* setEdge(v, w, [value, [name]])
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* setEdge({ v, w, [name] }, [value])
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*/
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setEdge() {
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var v, w, name, value;
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var valueSpecified = false;
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var arg0 = arguments[0];
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if (typeof arg0 === "object" && arg0 !== null && "v" in arg0) {
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v = arg0.v;
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w = arg0.w;
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name = arg0.name;
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if (arguments.length === 2) {
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value = arguments[1];
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valueSpecified = true;
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}
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} else {
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v = arg0;
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w = arguments[1];
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name = arguments[3];
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if (arguments.length > 2) {
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value = arguments[2];
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valueSpecified = true;
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}
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}
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v = "" + v;
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w = "" + w;
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if (!isUndefined(name)) {
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name = "" + name;
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}
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var e = edgeArgsToId(this._isDirected, v, w, name);
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if (Object.prototype.hasOwnProperty.call(this._edgeLabels, e)) {
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if (valueSpecified) {
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this._edgeLabels[e] = value;
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}
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return this;
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}
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if (!isUndefined(name) && !this._isMultigraph) {
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throw new Error("Cannot set a named edge when isMultigraph = false");
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}
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this.setNode(v);
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this.setNode(w);
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this._edgeLabels[e] = valueSpecified ? value : this._defaultEdgeLabelFn(v, w, name);
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var edgeObj = edgeArgsToObj(this._isDirected, v, w, name);
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v = edgeObj.v;
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w = edgeObj.w;
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Object.freeze(edgeObj);
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this._edgeObjs[e] = edgeObj;
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incrementOrInitEntry(this._preds[w], v);
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incrementOrInitEntry(this._sucs[v], w);
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this._in[w][e] = edgeObj;
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this._out[v][e] = edgeObj;
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this._edgeCount++;
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return this;
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}
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edge(v, w, name) {
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var e = arguments.length === 1 ? edgeObjToId(this._isDirected, arguments[0]) : edgeArgsToId(this._isDirected, v, w, name);
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return this._edgeLabels[e];
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}
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hasEdge(v, w, name) {
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var e = arguments.length === 1 ? edgeObjToId(this._isDirected, arguments[0]) : edgeArgsToId(this._isDirected, v, w, name);
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return Object.prototype.hasOwnProperty.call(this._edgeLabels, e);
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}
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removeEdge(v, w, name) {
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var e = arguments.length === 1 ? edgeObjToId(this._isDirected, arguments[0]) : edgeArgsToId(this._isDirected, v, w, name);
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var edge = this._edgeObjs[e];
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if (edge) {
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v = edge.v;
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w = edge.w;
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delete this._edgeLabels[e];
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delete this._edgeObjs[e];
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decrementOrRemoveEntry(this._preds[w], v);
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decrementOrRemoveEntry(this._sucs[v], w);
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delete this._in[w][e];
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delete this._out[v][e];
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this._edgeCount--;
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}
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return this;
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}
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inEdges(v, u) {
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var inV = this._in[v];
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if (inV) {
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var edges = values(inV);
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if (!u) {
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return edges;
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}
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return filter(edges, function(edge) {
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return edge.v === u;
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});
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}
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}
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outEdges(v, w) {
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var outV = this._out[v];
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if (outV) {
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var edges = values(outV);
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if (!w) {
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return edges;
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}
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return filter(edges, function(edge) {
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return edge.w === w;
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});
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}
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}
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nodeEdges(v, w) {
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var inEdges = this.inEdges(v, w);
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if (inEdges) {
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return inEdges.concat(this.outEdges(v, w));
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}
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}
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};
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Graph.prototype._nodeCount = 0;
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Graph.prototype._edgeCount = 0;
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function incrementOrInitEntry(map, k) {
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if (map[k]) {
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map[k]++;
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} else {
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map[k] = 1;
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}
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}
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function decrementOrRemoveEntry(map, k) {
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if (!--map[k]) {
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delete map[k];
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}
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}
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function edgeArgsToId(isDirected, v_, w_, name) {
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var v = "" + v_;
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var w = "" + w_;
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if (!isDirected && v > w) {
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var tmp = v;
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v = w;
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w = tmp;
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}
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return v + EDGE_KEY_DELIM + w + EDGE_KEY_DELIM + (isUndefined(name) ? DEFAULT_EDGE_NAME : name);
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}
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function edgeArgsToObj(isDirected, v_, w_, name) {
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var v = "" + v_;
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var w = "" + w_;
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if (!isDirected && v > w) {
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var tmp = v;
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v = w;
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w = tmp;
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}
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var edgeObj = { v, w };
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if (name) {
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edgeObj.name = name;
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}
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return edgeObj;
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}
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function edgeObjToId(isDirected, edgeObj) {
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return edgeArgsToId(isDirected, edgeObj.v, edgeObj.w, edgeObj.name);
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}
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export {
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Graph
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};
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//# sourceMappingURL=chunk-VJ6SEP6J.js.map
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