@sapphire/plugin-api/dist/esm/lib/structures/router/RouterBranch.mjs.map

Plugin for @sapphire/framework to expose a REST API

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Branch.mjs","sourcesContent":["import { isNullish } from '@sapphire/utilities';\nimport type { Route } from '../Route';\nimport { RouterNode } from './RouterNode';\n\nexport class RouterBranch {\n\t/**\n\t * The name of the branch.\n\t */\n\tpublic readonly name: string;\n\n\t/**\n\t * Whether or not the branch is dynamic.\n\t */\n\tpublic readonly dynamic: boolean;\n\n\t/**\n\t * The parent branch, if any.\n\t */\n\tpublic readonly parent: RouterBranch | null;\n\n\t/**\n\t * The node this branch is associated with.\n\t */\n\tpublic readonly node = new RouterNode(this);\n\n\t/**\n\t * The methods supported by the branch's node or any of its children.\n\t */\n\tpublic supportedMethods: readonly string[] = [];\n\n\tprivate _staticChildren: RouterBranch[] = [];\n\tprivate _dynamicChild: RouterBranch | null = null;\n\n\tpublic constructor(name: string, dynamic: boolean, parent: RouterBranch | null) {\n\t\tthis.name = name;\n\t\tthis.dynamic = dynamic;\n\t\tthis.parent = parent;\n\t}\n\n\t/**\n\t * The path representing this branch\n\t * @version 7.0.0\n\t */\n\tpublic get path(): string {\n\t\treturn this.parent ? `${this.parent}/${this}` : `${this}`;\n\t}\n\n\t/**\n\t * The branches the branch is associated with\n\t * @version 7.0.0\n\t */\n\tpublic get children(): RouterBranch[] {\n\t\treturn this._staticChildren.concat(this._dynamicChild ?? []);\n\t}\n\n\t/**\n\t * Whether or not the branch is empty\n\t * @version 7.0.0\n\t */\n\tpublic get empty(): boolean {\n\t\treturn this._staticChildren.length === 0 && this._dynamicChild === null;\n\t}\n\n\t/**\n\t * Tries to find a branch given a path\n\t * @version 7.0.0\n\t *\n\t * @param parts The parts of a path to find a node from\n\t * @returns The branch found, or null if not found\n\t */\n\tpublic find(parts: readonly string[]): RouterBranch | null {\n\t\treturn this._find(parts, 0);\n\t}\n\n\t/**\n\t * Checks if the given name matches the branch\n\t * @version 7.0.0\n\t *\n\t * @param name The name to match\n\t * @returns Whether or not the branch matches the name\n\t */\n\tpublic matches(name: string): boolean {\n\t\treturn this.dynamic || this.name === name;\n\t}\n\n\t/**\n\t * Returns the string representation of the branch\n\t * @version 7.0.0\n\t *\n\t * @returns The string representation of the branch\n\t */\n\tpublic toString(): string {\n\t\treturn this.dynamic ? `[${this.name}]` : this.name;\n\t}\n\n\tpublic *nodes(): IterableIterator<RouterNode> {\n\t\tyield this.node;\n\t\tfor (const child of this._staticChildren) {\n\t\t\tyield* child.nodes();\n\t\t}\n\n\t\tif (this._dynamicChild) {\n\t\t\tyield* this._dynamicChild.nodes();\n\t\t}\n\t}\n\n\tprotected _add(parts: readonly string[], index: number, route: Route): RouterNode {\n\t\tconst result = this._performAdd(parts, index, route);\n\t\tthis._updateSupportedChildrenMethods();\n\t\treturn result;\n\t}\n\n\tprotected _remove(parts: readonly string[], index: number, route: Route): boolean {\n\t\tconst result = this._performRemove(parts, index, route);\n\t\tif (result) this._updateSupportedChildrenMethods();\n\t\treturn result;\n\t}\n\n\tprotected _performAdd(parts: readonly string[], index: number, route: Route): RouterNode {\n\t\tif (index >= parts.length) {\n\t\t\tfor (const method of route.methods) {\n\t\t\t\tthis.node.set(method, route);\n\t\t\t}\n\n\t\t\treturn this.node;\n\t\t}\n\n\t\tconst part = parts[index];\n\t\tconst child = this._staticChildren.find((branch) => branch.matches(part));\n\t\tif (child) {\n\t\t\treturn child._add(parts, index + 1, route);\n\t\t}\n\n\t\tif (this._dynamicChild) {\n\t\t\treturn this._dynamicChild._add(parts, index + 1, route);\n\t\t}\n\n\t\tconst dynamic = part.startsWith('[') && part.endsWith(']');\n\t\tlet branch: RouterBranch;\n\t\tif (dynamic) {\n\t\t\tbranch = new RouterBranch(part.slice(1, -1), true, this);\n\t\t\tthis._dynamicChild = branch;\n\t\t} else {\n\t\t\tbranch = new RouterBranch(part, false, this);\n\t\t\tthis._staticChildren.push(branch);\n\t\t}\n\n\t\treturn branch._add(parts, index + 1, route);\n\t}\n\n\tprotected _performRemove(parts: readonly string[], index: number, route: Route): boolean {\n\t\tif (index >= parts.length) {\n\t\t\tlet success = false;\n\t\t\tfor (const method of route.methods) {\n\t\t\t\tif (this.node.delete(method, route)) {\n\t\t\t\t\tsuccess = true;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn success;\n\t\t}\n\n\t\tconst part = parts[index];\n\t\tconst staticChildIndex = this._staticChildren.findIndex((branch) => branch.matches(part));\n\t\tif (staticChildIndex === -1) {\n\t\t\tconst child = this._staticChildren[index];\n\t\t\tconst removed = child._remove(parts, index + 1, route);\n\t\t\tif (removed && child.empty) {\n\t\t\t\tthis._staticChildren = this._staticChildren.filter((branch) => branch !== child);\n\t\t\t}\n\n\t\t\treturn removed;\n\t\t}\n\n\t\tif (this._dynamicChild) {\n\t\t\tconst removed = this._dynamicChild._remove(parts, index + 1, route);\n\t\t\tif (removed && this._dynamicChild.empty) {\n\t\t\t\tthis._dynamicChild = null;\n\t\t\t}\n\n\t\t\treturn removed;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\tprotected _find(parts: readonly string[], index: number): RouterBranch | null {\n\t\tif (index >= parts.length) return this;\n\n\t\tconst part = parts[index];\n\t\tconst child = this._staticChildren.find((branch) => branch.matches(part)) ?? this._dynamicChild;\n\n\t\t// If a child is not found, return null:\n\t\tif (isNullish(child)) return null;\n\n\t\t// Continue the search:\n\t\treturn child._find(parts, index + 1);\n\t}\n\n\tprotected _updateSupportedChildrenMethods(): void {\n\t\tconst methods = new Set(this.node.methods());\n\t\tfor (const child of this.children) {\n\t\t\tfor (const method of child.node.methods()) {\n\t\t\t\tmethods.add(method);\n\t\t\t}\n\t\t}\n\n\t\tthis.supportedMethods = [...methods];\n\t}\n}\n"]}