Initial project import

node_modules/concurrently/dist/lib/concurrently.js

@@ -0,0 +1,122 @@
+import assert from 'node:assert';
+import os from 'node:os';
+import { takeUntil } from 'rxjs';
+import treeKill from 'tree-kill';
+import { Command, } from './command.js';
+import { ExpandArguments } from './command-parser/expand-arguments.js';
+import { ExpandShortcut } from './command-parser/expand-shortcut.js';
+import { ExpandWildcard } from './command-parser/expand-wildcard.js';
+import { CompletionListener } from './completion-listener.js';
+import { OutputWriter } from './output-writer.js';
+import { PrefixColorSelector } from './prefix-color-selector.js';
+import { createSpawn, getSpawnOpts } from './spawn.js';
+import { castArray } from './utils.js';
+const defaults = {
+    spawn: createSpawn(),
+    kill: treeKill,
+    raw: false,
+    controllers: [],
+    cwd: undefined,
+};
+/**
+ * Core concurrently functionality -- spawns the given commands concurrently and
+ * returns the commands themselves + the result according to the specified success condition.
+ *
+ * @see CompletionListener
+ */
+export function concurrently(baseCommands, baseOptions) {
+    assert.ok(Array.isArray(baseCommands), '[concurrently] commands should be an array');
+    assert.notStrictEqual(baseCommands.length, 0, '[concurrently] no commands provided');
+    const options = { ...defaults, ...baseOptions };
+    const prefixColorSelector = new PrefixColorSelector(options.prefixColors || []);
+    const commandParsers = [new ExpandShortcut(), new ExpandWildcard()];
+    if (options.additionalArguments) {
+        commandParsers.push(new ExpandArguments(options.additionalArguments));
+    }
+    const hide = (options.hide || []).map(String);
+    let commands = baseCommands
+        .map(mapToCommandInfo)
+        .flatMap((command) => parseCommand(command, commandParsers))
+        .map((command, index) => {
+        const hidden = hide.includes(command.name) || hide.includes(String(index));
+        return new Command({
+            index,
+            prefixColor: prefixColorSelector.getNextColor(),
+            ...command,
+        }, getSpawnOpts({
+            ipc: command.ipc,
+            stdio: hidden ? 'hidden' : (command.raw ?? options.raw) ? 'raw' : 'normal',
+            env: command.env,
+            cwd: command.cwd || options.cwd,
+        }), options.spawn, options.kill);
+    });
+    const handleResult = options.controllers.reduce(({ commands: prevCommands, onFinishCallbacks }, controller) => {
+        const { commands, onFinish } = controller.handle(prevCommands);
+        return {
+            commands,
+            onFinishCallbacks: onFinishCallbacks.concat(onFinish ? [onFinish] : []),
+        };
+    }, { commands, onFinishCallbacks: [] });
+    commands = handleResult.commands;
+    if (options.logger && options.outputStream) {
+        const outputWriter = new OutputWriter({
+            outputStream: options.outputStream,
+            group: !!options.group,
+            commands,
+        });
+        options.logger.output
+            // Stop trying to write after there's been an error.
+            .pipe(takeUntil(outputWriter.error))
+            .subscribe(({ command, text }) => outputWriter.write(command, text));
+    }
+    const commandsLeft = commands.slice();
+    const maxProcesses = Math.max(1, (typeof options.maxProcesses === 'string' && options.maxProcesses.endsWith('%')
+        ? Math.round((os.cpus().length * Number(options.maxProcesses.slice(0, -1))) / 100)
+        : Number(options.maxProcesses)) || commandsLeft.length);
+    for (let i = 0; i < maxProcesses; i++) {
+        maybeRunMore(commandsLeft, options.abortSignal);
+    }
+    const result = new CompletionListener({ successCondition: options.successCondition })
+        .listen(commands, options.abortSignal)
+        .finally(() => Promise.all(handleResult.onFinishCallbacks.map((onFinish) => onFinish())));
+    return {
+        result,
+        commands,
+    };
+}
+function mapToCommandInfo(command) {
+    if (typeof command === 'string') {
+        return mapToCommandInfo({ command });
+    }
+    assert.ok(command.command, '[concurrently] command cannot be empty');
+    return {
+        command: command.command,
+        name: command.name || '',
+        env: command.env || {},
+        cwd: command.cwd || '',
+        ipc: command.ipc,
+        ...(command.prefixColor
+            ? {
+                prefixColor: command.prefixColor,
+            }
+            : {}),
+        ...(command.raw !== undefined
+            ? {
+                raw: command.raw,
+            }
+            : {}),
+    };
+}
+function parseCommand(command, parsers) {
+    return parsers.reduce((commands, parser) => commands.flatMap((command) => parser.parse(command)), castArray(command));
+}
+function maybeRunMore(commandsLeft, abortSignal) {
+    const command = commandsLeft.shift();
+    if (!command || abortSignal?.aborted) {
+        return;
+    }
+    command.start();
+    command.close.subscribe(() => {
+        maybeRunMore(commandsLeft, abortSignal);
+    });
+}