mirror of
https://github.com/element-hq/element-web.git
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188aac111b
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
639 lines
19 KiB
TypeScript
Executable file
639 lines
19 KiB
TypeScript
Executable file
#!/usr/bin/env -S npx ts-node
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import fs from "node:fs";
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import path from "node:path";
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import YAML from "yaml";
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import parseArgs from "minimist";
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import cronstrue from "cronstrue";
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import { partition } from "lodash";
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const argv = parseArgs<{
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debug: boolean;
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on: string | string[];
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}>(process.argv.slice(2), {
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string: ["on"],
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boolean: ["debug"],
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});
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/**
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* Generates unique ID strings (incremental base36) representing the given inputs.
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*/
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class IdGenerator<T> {
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private id = 0;
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private map = new Map<T, string>();
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public get(s: T): string {
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if (this.map.has(s)) return this.map.get(s)!;
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const id = "ID" + this.id.toString(36).toLowerCase();
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this.map.set(s, id);
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this.id++;
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return id;
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}
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public debug(): void {
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console.log("```");
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console.log(this.map);
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console.log("```");
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}
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}
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/**
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* Type representing a node on a graph with additional metadata
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*/
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interface Node {
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// Workflows are keyed by project/name??id
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// Jobs are keyed by id
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// Triggers are keyed by id
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id: string;
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name: string;
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shape:
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| "round edges"
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| "stadium"
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| "subroutine"
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| "cylinder"
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| "circle"
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| "flag"
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| "rhombus"
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| "hexagon"
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| "parallelogram"
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| "parallelogram_alt"
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| "trapezoid"
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| "trapezoid_alt"
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| "double_circle";
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link?: string;
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}
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/**
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* Type representing a directed edge on a graph with an optional label
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*/
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type Edge<T> = [source: T, destination: T, label?: string];
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class Graph<T extends Node> {
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public nodes = new Map<string, T>();
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public edges: Edge<T>[] = [];
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public addNode(node: T): void {
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if (!this.nodes.has(node.id)) {
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this.nodes.set(node.id, node);
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}
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}
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public removeNode(node: T): Edge<T>[] {
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if (!this.nodes.has(node.id)) return [];
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this.nodes.delete(node.id);
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const [removedEdges, keptEdges] = partition(
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this.edges,
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([source, destination]) => source === node || destination === node,
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);
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this.edges = keptEdges;
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return removedEdges;
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}
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public addEdge(source: T, destination: T, label?: string): void {
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if (this.edges.some(([_source, _destination]) => _source === source && _destination === destination)) return;
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this.edges.push([source, destination, label]);
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}
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// Removes nodes without any edges
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public cull(): void {
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const seenNodes = new Set<Node>();
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graph.edges.forEach(([source, destination]) => {
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seenNodes.add(source);
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seenNodes.add(destination);
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});
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graph.nodes.forEach((node) => {
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if (!seenNodes.has(node)) {
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graph.nodes.delete(node.id);
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}
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});
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}
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public get roots(): Set<T> {
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const roots = new Set(this.nodes.values());
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this.edges.forEach(([source, destination]) => {
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roots.delete(destination);
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});
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return roots;
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}
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private componentsRecurse(root: T, visited: Set<T>): T[] {
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if (visited.has(root)) return [root];
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visited.add(root);
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const neighbours = [root];
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this.edges.forEach(([source, destination]) => {
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if (source === root) {
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neighbours.push(...this.componentsRecurse(destination, visited));
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} else if (destination === root) {
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neighbours.push(...this.componentsRecurse(source, visited));
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}
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});
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return neighbours;
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}
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public get components(): Graph<T>[] {
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const graphs: Graph<T>[] = [];
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const visited = new Set<T>();
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this.nodes.forEach((node) => {
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if (visited.has(node)) return;
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const graph = new Graph<T>();
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graphs.push(graph);
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const nodes = this.componentsRecurse(node, visited);
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nodes.forEach((node) => {
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graph.addNode(node);
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this.edges.forEach((edge) => {
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if (edge[0] === node || edge[1] === node) {
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graph.addEdge(...edge);
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}
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});
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});
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});
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return graphs;
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}
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}
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/**
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* Type representing a GitHub project
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*/
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interface Project {
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url: string;
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name: string;
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path: string;
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workflows: Map<string, Workflow>;
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}
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/**
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* Type representing a GitHub Actions Workflow
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*/
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interface Workflow extends Node {
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path: string;
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project: Project;
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jobs: Job[];
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on: WorkflowYaml["on"];
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}
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/**
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* Type representing a job within a GitHub Actions Workflow
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*/
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interface Job extends Node {
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jobId: string; // id relative to workflow
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needs?: string[];
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strategy?: {
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matrix: {
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[key: string]: string[];
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} & {
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include?: Record<string, string>[];
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exclude?: Record<string, string>[];
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};
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};
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}
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/**
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* Type representing the YAML structure of a GitHub Actions Workflow file
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*/
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interface WorkflowYaml {
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name: string;
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on: {
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workflow_run?: {
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workflows: string[];
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}; // Magic
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workflow_call?: {}; // Reusable
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workflow_dispatch?: {}; // Manual
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pull_request?: {};
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merge_group?: {};
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push?: {
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tags?: string[];
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branches?: string[];
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};
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schedule?: { cron: string }[];
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release?: {};
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//
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label?: {};
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issues?: {};
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};
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jobs: {
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[job: string]: {
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name?: string;
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needs?: string | string[];
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strategy?: Job["strategy"];
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};
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};
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}
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/**
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* Type representing a trigger of a GitHub Actions Workflow
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*/
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type Trigger = Node;
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// TODO workflow_call reusables
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/* eslint-disable @typescript-eslint/naming-convention */
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const TRIGGERS: {
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[key in keyof WorkflowYaml["on"]]: (
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data: NonNullable<WorkflowYaml["on"][key]>,
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workflow: Workflow,
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) => Trigger | Trigger[];
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} = {
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workflow_dispatch: () => ({
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id: "on:workflow_dispatch",
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name: "Manual",
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shape: "circle",
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}),
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issues: (_, { project }) => ({ id: `on:issues/${project.name}`, name: `${project.name} Issues`, shape: "circle" }),
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label: (_, { project }) => ({ id: "on:label", name: "on: Label", shape: "circle" }),
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release: (_, { project }) => ({
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id: `on:release/${project.name}`,
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name: `${project.name} Release`,
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shape: "circle",
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}),
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push: (data, { project }) => {
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const nodes: Trigger[] = [];
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data.tags?.forEach((tag) => {
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const name = `Push ${project.name}<br>tag ${tag}`;
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nodes.push({ id: `on:push/${project.name}/tag/${tag}`, name, shape: "circle" });
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});
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data.branches?.forEach((branch) => {
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const name = `Push ${project.name}<br>${branch}`;
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nodes.push({ id: `on:push/${project.name}/branch/${branch}`, name, shape: "circle" });
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});
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return nodes;
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},
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schedule: (data) =>
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data.map(({ cron }) => ({
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id: `on:schedule/${cron}`,
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name: cronstrue.toString(cron).replaceAll(", ", "<br>"),
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shape: "circle",
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})),
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pull_request: (_, { project }) => ({
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id: `on:pull_request/${project.name}`,
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name: `Pull Request<br>${project.name}`,
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shape: "circle",
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}),
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// TODO should we be just dropping these?
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workflow_run: (data) => data.workflows.map((parent) => workflows.get(parent)).filter(Boolean) as Workflow[],
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};
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/* eslint-enable @typescript-eslint/naming-convention */
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const triggers = new Map<string, Trigger>(); // keyed by trigger id
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const projects = new Map<string, Project>(); // keyed by project name
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const workflows = new Map<string, Workflow>(); // keyed by workflow name
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function getTriggerNodes<K extends keyof WorkflowYaml["on"]>(key: K, workflow: Workflow): Trigger[] {
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if (!TRIGGERS[key]) return [];
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if ((typeof argv.on === "string" || Array.isArray(argv.on)) && !toArray(argv.on).includes(key)) {
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return [];
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}
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const data = workflow.on[key]!;
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const nodes = toArray(TRIGGERS[key]!(data, workflow));
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return nodes.map((node) => {
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if (triggers.has(node.id)) return triggers.get(node.id)!;
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triggers.set(node.id, node);
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return node;
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});
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}
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function readFile(...pathSegments: string[]): string {
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return fs.readFileSync(path.join(...pathSegments), { encoding: "utf-8" });
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}
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function readJson<T extends object>(...pathSegments: string[]): T {
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return JSON.parse(readFile(...pathSegments));
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}
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function readYaml<T extends object>(...pathSegments: string[]): T {
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return YAML.parse(readFile(...pathSegments));
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}
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function toArray<T>(v: T | T[]): T[] {
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return Array.isArray(v) ? v : [v];
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}
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function cartesianProduct<T>(sets: T[][]): T[][] {
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return sets.reduce<T[][]>(
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(results, ids) =>
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results
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.map((result) => ids.map((id) => [...result, id]))
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.reduce((nested, result) => [...nested, ...result]),
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[[]],
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);
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}
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function shallowCompare(obj1: Record<string, any>, obj2: Record<string, any>): boolean {
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return (
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Object.keys(obj1).length === Object.keys(obj2).length &&
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Object.keys(obj1).every((key) => obj1[key] === obj2[key])
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);
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}
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// Data ingest
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for (const projectPath of argv._) {
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const {
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name,
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repository: { url },
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} = readJson<{ name: string; repository: { url: string } }>(projectPath, "package.json");
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const workflowsPath = path.join(projectPath, ".github", "workflows");
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const project: Project = {
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name,
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url,
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path: projectPath,
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workflows: new Map(),
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};
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for (const file of fs.readdirSync(workflowsPath).filter((f) => f.endsWith(".yml") || f.endsWith(".yaml"))) {
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const data = readYaml<WorkflowYaml>(workflowsPath, file);
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const name = data.name ?? file;
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const workflow: Workflow = {
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id: `${project.name}/${name}`,
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name,
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shape: "hexagon",
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path: path.join(workflowsPath, file),
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project,
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link: `${project.url}/blob/develop/.github/workflows/${file}`,
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on: data.on,
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jobs: [],
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};
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for (const jobId in data.jobs) {
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const job = data.jobs[jobId];
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workflow.jobs.push({
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id: `${workflow.name}/${jobId}`,
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jobId,
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name: job.name ?? jobId,
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strategy: job.strategy,
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needs: job.needs ? toArray(job.needs) : undefined,
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shape: "subroutine",
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link: `${project.url}/blob/develop/.github/workflows/${file}`,
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});
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}
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project.workflows.set(name, workflow);
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workflows.set(name, workflow);
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}
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projects.set(name, project);
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}
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class MermaidFlowchartPrinter {
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private static INDENT = 4;
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private currentIndent = 0;
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private text = "";
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public readonly idGenerator = new IdGenerator();
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private print(text: string): void {
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this.text += " ".repeat(this.currentIndent) + text + "\n";
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}
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public finish(): void {
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this.indent(-1);
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if (this.markdown) this.print("```\n");
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console.log(this.text);
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}
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private indent(delta = 1): void {
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this.currentIndent += delta * MermaidFlowchartPrinter.INDENT;
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}
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public constructor(
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direction: "TD" | "TB" | "BT" | "RL" | "LR",
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title?: string,
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private readonly markdown = false,
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) {
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if (this.markdown) {
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this.print("```mermaid");
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}
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// Print heading
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if (title) {
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this.print("---");
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this.print(`title: ${title}`);
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this.print("---");
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}
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this.print(`flowchart ${direction}`);
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this.indent();
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}
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public subgraph(id: string, name: string, fn: () => void): void {
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this.print(`subgraph ${this.idGenerator.get(id)}["${name}"]`);
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this.indent();
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fn();
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this.indent(-1);
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this.print("end");
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}
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public node(node: Node): void {
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const id = this.idGenerator.get(node.id);
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const name = node.name.replaceAll('"', "'");
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switch (node.shape) {
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case "round edges":
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this.print(`${id}("${name}")`);
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break;
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case "stadium":
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this.print(`${id}(["${name}"])`);
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break;
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case "subroutine":
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this.print(`${id}[["${name}"]]`);
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break;
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case "cylinder":
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this.print(`${id}[("${name}")]`);
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break;
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case "circle":
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this.print(`${id}(("${name}"))`);
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break;
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case "flag":
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this.print(`${id}>"${name}"]`);
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break;
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case "rhombus":
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this.print(`${id}{"${name}"}`);
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break;
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case "hexagon":
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this.print(`${id}{{"${name}"}}`);
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break;
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case "parallelogram":
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this.print(`${id}[/"${name}"/]`);
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break;
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case "parallelogram_alt":
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this.print(`${id}[\\"${name}"\\]`);
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break;
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case "trapezoid":
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this.print(`${id}[/"${name}"\\]`);
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break;
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case "trapezoid_alt":
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this.print(`${id}[\\"${name}"/]`);
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break;
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case "double_circle":
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this.print(`${id}((("${name}")))`);
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break;
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}
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if (node.link) {
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this.print(`click ${id} href "${node.link}" "Click to open workflow"`);
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}
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}
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public edge(source: Node, destination: Node, text?: string): void {
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const sourceId = this.idGenerator.get(source.id);
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const destinationId = this.idGenerator.get(destination.id);
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if (text) {
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this.print(`${sourceId}-- ${text} -->${destinationId}`);
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} else {
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this.print(`${sourceId} --> ${destinationId}`);
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}
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}
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}
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const graph = new Graph<Workflow | Node>();
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for (const workflow of workflows.values()) {
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if (
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(typeof argv.on === "string" || Array.isArray(argv.on)) &&
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!toArray(argv.on).some((trigger) => trigger in workflow.on)
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) {
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continue;
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}
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graph.addNode(workflow);
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Object.keys(workflow.on).forEach((trigger) => {
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const nodes = getTriggerNodes(trigger as keyof WorkflowYaml["on"], workflow);
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nodes.forEach((node) => {
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graph.addNode(node);
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graph.addEdge(node, workflow, "project" in node ? "workflow_run" : undefined);
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});
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});
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}
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// TODO separate disconnected nodes into their own graph
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graph.cull();
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// This is an awful hack to make the output graphs much better by allowing the splitting of certain nodes //
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const bifurcatedNodes = [triggers.get("on:workflow_dispatch")].filter(Boolean) as Node[];
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const removedEdgeMap = new Map<Node, Edge<any>[]>();
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for (const node of bifurcatedNodes) {
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removedEdgeMap.set(node, graph.removeNode(node));
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}
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const components = graph.components;
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for (const node of bifurcatedNodes) {
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const removedEdges = removedEdgeMap.get(node)!;
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components.forEach((graph) => {
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removedEdges.forEach((edge) => {
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if (graph.nodes.has(edge[1].id)) {
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graph.addNode(node);
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graph.addEdge(...edge);
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}
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});
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});
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////
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if (argv.debug) {
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debugGraph("global", graph);
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}
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components.forEach((graph) => {
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const title = [...graph.roots]
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.map((root) => root.name)
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.join(" & ")
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.replaceAll("<br>", " ");
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|
const printer = new MermaidFlowchartPrinter("LR", title, true);
|
|
graph.nodes.forEach((node) => {
|
|
if ("project" in node) {
|
|
// TODO unsure about this edge
|
|
// if (node.jobs.length === 1) {
|
|
// printer.node(node);
|
|
// return;
|
|
// }
|
|
|
|
// TODO handle job.if on github.event_name
|
|
|
|
const subgraph = new Graph<Job>();
|
|
for (const job of node.jobs) {
|
|
subgraph.addNode(job);
|
|
if (job.needs) {
|
|
toArray(job.needs).forEach((req) => {
|
|
subgraph.addEdge(node.jobs.find((job) => job.jobId === req)!, job, "needs");
|
|
});
|
|
}
|
|
}
|
|
|
|
printer.subgraph(node.id, node.name, () => {
|
|
subgraph.edges.forEach(([source, destination, text]) => {
|
|
printer.edge(source, destination, text);
|
|
});
|
|
|
|
subgraph.nodes.forEach((job) => {
|
|
if (!job.strategy?.matrix) {
|
|
printer.node(job);
|
|
return;
|
|
}
|
|
|
|
let variations = cartesianProduct(
|
|
Object.keys(job.strategy.matrix)
|
|
.filter((key) => key !== "include" && key !== "exclude")
|
|
.map((matrixKey) => {
|
|
return job.strategy!.matrix[matrixKey].map((value) => ({ [matrixKey]: value }));
|
|
}),
|
|
)
|
|
.map((variation) => Object.assign({}, ...variation))
|
|
.filter((variation) => Object.keys(variation).length > 0);
|
|
|
|
if (job.strategy.matrix.include) {
|
|
variations.push(...job.strategy.matrix.include);
|
|
}
|
|
job.strategy.matrix.exclude?.forEach((exclusion) => {
|
|
variations = variations.filter((variation) => {
|
|
return !shallowCompare(exclusion, variation);
|
|
});
|
|
});
|
|
|
|
// TODO validate edge case
|
|
if (variations.length === 0) {
|
|
printer.node(job);
|
|
return;
|
|
}
|
|
|
|
const jobName = job.name.replace(/\${{.+}}/g, "").replace(/(?:\(\)| )+/g, " ");
|
|
printer.subgraph(job.id, jobName, () => {
|
|
variations.forEach((variation, i) => {
|
|
let variationName = job.name;
|
|
if (variationName.includes("${{ matrix.")) {
|
|
Object.keys(variation).map((key) => {
|
|
variationName = variationName.replace(`\${{ matrix.${key} }}`, variation[key]);
|
|
});
|
|
} else {
|
|
variationName = `${variationName} (${Object.values(variation).join(", ")})`;
|
|
}
|
|
|
|
printer.node({ ...job, id: `${job.id}-variation-${i}`, name: variationName });
|
|
});
|
|
});
|
|
});
|
|
});
|
|
return;
|
|
}
|
|
|
|
printer.node(node);
|
|
});
|
|
graph.edges.forEach(([sourceName, destinationName, text]) => {
|
|
printer.edge(sourceName, destinationName, text);
|
|
});
|
|
printer.finish();
|
|
|
|
if (argv.debug) {
|
|
printer.idGenerator.debug();
|
|
debugGraph("subgraph", graph);
|
|
}
|
|
});
|
|
|
|
function debugGraph(name: string, graph: Graph<any>): void {
|
|
console.log("```");
|
|
console.log(`## ${name}`);
|
|
console.log(new Map(graph.nodes));
|
|
console.log(graph.edges.map((edge) => ({ source: edge[0].id, destination: edge[1].id, text: edge[2] })));
|
|
console.log("```");
|
|
console.log("");
|
|
}
|