First Commit

2023-10-29 08:35:26 +01:00
commit 05f380f691
9 changed files with 381 additions and 0 deletions
@@ -0,0 +1,143 @@
+// @ts-check
+
+const path = require("path");
+const fs = require("fs");
+const {
+    execSync,
+    spawnSync,
+    spawn,
+    execFile,
+    execFileSync,
+    ChildProcess,
+} = require("child_process");
+const colors = require("../utils/console-colors");
+
+////////////////////////////////////////////
+////////////////////////////////////////////
+////////////////////////////////////////////
+
+/**
+ * # Start the process
+ * @param {object} param0
+ * @param {string} param0.command
+ * @param {string[] | string} param0.preflight
+ * @param {string} param0.redeploy_file
+ */
+function startProcess({ command, preflight, redeploy_file }) {
+    /** @type {ChildProcess | null} */
+    let childProcess = null;
+
+    try {
+        const runPreflight = preflightFn(preflight);
+
+        if (!preflight) {
+            process.exit();
+        }
+
+        childProcess = run(command);
+
+        if (!childProcess) {
+            console.log(
+                `${colors.FgRed}Error:${colors.Reset} Process couldn't start. Exiting...`
+            );
+            process.exit();
+        }
+    } catch (/** @type {*} */ error) {
+        console.log(
+            `${colors.FgRed}Error:${colors.Reset} First run failed! => ${error.message}`
+        );
+    }
+
+    fs.watchFile(redeploy_file, { interval: 1000 }, (curr, prev) => {
+        if (childProcess) {
+            console.log("Rebuilding ...");
+
+            try {
+                const runPreflight = preflightFn(preflight);
+
+                if (!preflight) {
+                    process.exit();
+                }
+                childProcess.kill("SIGTERM");
+            } catch (/** @type {*} */ error) {
+                console.log(
+                    `${colors.FgRed}Error:${colors.Reset} killing child processes => ${error.message}`
+                );
+            }
+
+            childProcess = run(command);
+        }
+    });
+}
+
+////////////////////////////////////////////
+////////////////////////////////////////////
+////////////////////////////////////////////
+
+/**
+ * ## Preflight Function
+ * @param {string} command
+ * @returns {ChildProcess | null}
+ */
+function run(command) {
+    const startCommandArray = command.split(" ").filter((str) => str.trim());
+
+    try {
+        const firstCommand = startCommandArray.shift()?.[0];
+
+        if (!firstCommand) {
+            throw new Error("No Starting Command Found in command string!");
+        }
+
+        let childProcess = spawn(firstCommand, ["server.js"], {
+            cwd: process.cwd(),
+            stdio: "inherit",
+        });
+
+        return childProcess;
+    } catch (/** @type {*} */ error) {
+        console.log(
+            `${colors.FgRed}Error:${colors.Reset} running start command => ${error.message}`
+        );
+        return null;
+    }
+}
+
+////////////////////////////////////////////
+////////////////////////////////////////////
+////////////////////////////////////////////
+
+/**
+ * ## Preflight Function
+ * @param {string[] | string} preflight
+ * @returns {boolean}
+ */
+function preflightFn(preflight) {
+    console.log("Preflight Running ...");
+
+    /** @type {import("child_process").ExecSyncOptions} */
+    const options = {
+        cwd: process.cwd(),
+        stdio: "inherit",
+    };
+
+    try {
+        if (typeof preflight == "string") {
+            execFileSync(preflight, options);
+        } else if (typeof preflight == "object" && preflight?.[0]) {
+            preflight.forEach((cmd) => execSync(cmd, options));
+        }
+        return true;
+    } catch (error) {
+        console.log(
+            `${colors.FgRed}Error:${colors.Reset} Preflight Failed! => ${error.message}`
+        );
+        return false;
+    }
+}
+
+////////////////////////////////////////////
+////////////////////////////////////////////
+////////////////////////////////////////////
+
+module.exports = startProcess;