style(): minor formatting changes

lib/utils/tree-kill.ts

@@ -1,81 +1,80 @@
 import { execSync } from 'child_process';
 
 export function treeKillSync(pid: number, signal?: string | number): void {
+  if (process.platform === 'win32') {
+    execSync('taskkill /pid ' + pid + ' /T /F');
+    return;
+  }
 
-    if (process.platform === "win32") {
-        execSync('taskkill /pid ' + pid + ' /T /F');
-        return;
-    }
-
-    const childs = getAllChilds(pid);
-
-    childs.forEach(function (pid) {
-        killPid(pid, signal);
-    });
-
+  const childs = getAllChilds(pid);
+  childs.forEach(function (pid) {
     killPid(pid, signal);
-    return
+  });
+
+  killPid(pid, signal);
+  return;
 }
 
 function getAllPid(): {
-    pid: number,
-    ppid: number
+  pid: number;
+  ppid: number;
 }[] {
-    const rows = execSync('ps -A -o pid,ppid')
-        .toString()
-        .trim()
-        .split('\n')
-        .slice(1);
-
-    return rows.map(function (row) {
-        var parts = row.match(/\s*(\d+)\s*(\d+)/);
-
-        if (parts === null) {
-            return null;
-        }
-
-        return {
-            pid: Number(parts[1]),
-            ppid: Number(parts[2])
-        };
-    }).filter(<T extends Object>(input: null | undefined | T): input is T => {
-        return input != null;
+  const rows = execSync('ps -A -o pid,ppid')
+    .toString()
+    .trim()
+    .split('\n')
+    .slice(1);
+
+  return rows
+    .map(function (row) {
+      var parts = row.match(/\s*(\d+)\s*(\d+)/);
+
+      if (parts === null) {
+        return null;
+      }
+
+      return {
+        pid: Number(parts[1]),
+        ppid: Number(parts[2]),
+      };
+    })
+    .filter(<T extends Object>(input: null | undefined | T): input is T => {
+      return input != null;
     });
 }
 
 function getAllChilds(pid: number) {
-    const allpid = getAllPid();
-
-    let ppidHash: {
-        [key: number]: number[]
-    } = {};
+  const allpid = getAllPid();
 
-    let result: number[] = [];
+  let ppidHash: {
+    [key: number]: number[];
+  } = {};
 
-    allpid.forEach(function (item) {
-        ppidHash[item.ppid] = ppidHash[item.ppid] || [];
-        ppidHash[item.ppid].push(item.pid);
-    });
+  let result: number[] = [];
 
-    const find = function (pid: number) {
-        ppidHash[pid] = ppidHash[pid] || [];
-        ppidHash[pid].forEach(function (childPid) {
-            result.push(childPid);
-            find(childPid);
-        });
-    };
+  allpid.forEach(function (item) {
+    ppidHash[item.ppid] = ppidHash[item.ppid] || [];
+    ppidHash[item.ppid].push(item.pid);
+  });
 
-    find(pid);
+  const find = function (pid: number) {
+    ppidHash[pid] = ppidHash[pid] || [];
+    ppidHash[pid].forEach(function (childPid) {
+      result.push(childPid);
+      find(childPid);
+    });
+  };
 
-    return result;
+  find(pid);
+  return result;
 }
 
 function killPid(pid: number, signal?: string | number) {
-    try {
-        process.kill(pid, signal);
-    } catch (err) {
-        if (err.code !== 'ESRCH') {
-            throw err;
-        }
+  try {
+    process.kill(pid, signal);
+  } catch (err) {
+    if (err.code !== 'ESRCH') {
+      throw err;
     }
-}
+  }
+}