64 lines
1.7 KiB
TypeScript
64 lines
1.7 KiB
TypeScript
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import { spawnSync } from "child_process";
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export class RunResult {
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readonly #cmd: string;
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readonly #status: null | number;
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readonly #stdout: string | Buffer;
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readonly #stderr: string | Buffer;
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constructor(progname: string, args: Array<string>, status: null | number, stdout: string | Buffer, stderr: string | Buffer) {
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this.#cmd = `${ progname } ${ args.map((a) => JSON.stringify(a))}`;
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this.#status = status;
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this.#stdout = stdout;
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this.#stderr = stderr;
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}
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get cmd(): string { return this.#cmd; }
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get stderr(): string | null {
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return this._stderr.toString() || null;
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}
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get _stderr(): string | Buffer {
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return this.#stderr;
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}
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get stdout(): string {
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return this._stdout.toString();
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}
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get _stdout(): string | Buffer {
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return this.#stdout;
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}
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get status(): null | number { return this.#status; }
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get ok(): boolean {
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return (this.#stderr.length === 0 && this.#status === 0);
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}
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assertOk(message?: string): void {
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if (!this.ok) {
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throw new Error(message || `failed to run: ${ this.#cmd }`);
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}
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}
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};
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export function run(progname: string, args?: Array<string>, currentWorkingDirectory?: string): RunResult {
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if (args == null) { args = [ ]; }
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const options: any = { };
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if (currentWorkingDirectory) { options.cwd = currentWorkingDirectory; }
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const child = spawnSync(progname, args, options);
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const result = new RunResult(progname, args, child.status, child.stdout, child.stderr);
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if (child.error) {
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const error = child.error;
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(<any>error).result = result;
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throw error;
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}
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return result;
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}
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