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Reason CLI Tools

Files module

let exists: string => bool;
let isFile: string => bool;
let isDirectory: string => bool;
let mkdirp: string => unit;

let readDirectory: string => list(string);
let readFile: string => option(string);
let writeFile: (string, string) => bool;
let removeDeep: string => unit;

let copy: (~source: string, ~dest: string) => bool;
let copyDeep: (~source: string, ~dest: string) => unit;

Commands module

/**
 * Get the output of a command, in lines, and whether it succeeded.
 */
let execSync: (~cmd: string, ~onOut: string => unit=?, unit) => (list(string), bool);

let exec: (~cmd: string, ~onOut: string => unit) => job;

/**
 * Checks every `checkInterval`
 * to see if the command has died, and if so it restarts it, calling `onStart`.
 * It also calls `onStart` initially.
 *
 * `checkInterval` defaults to 1.0 (one second).
 */
let keepAlive:
  (
    ~cmd: string,
    ~onOut: string => unit=?,
    ~onErr: string => unit=?,
    ~onStart: unit => unit=?,
    ~checkInterval: float=?,
    unit
  ) => job;

let kill: job => unit;
let poll: job => unit;

/**
 * Run an async command until it exits.
 */
let run: job => unit;

/**
 * Run multiple async commands in parallel until they all exit.
 */
let runAll: list(job) => unit;

Utils module

/** Current time in seconds */
let now: unit => float;

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A cross-platform collection of useful utilities for making cli's in reason

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