fix: linting (npm#48)

lib/link-gently.js

@@ -64,6 +64,8 @@ const linkGently = async ({ path, to, from, absFrom, force }) => {
         if (target.indexOf(path) === 0 || force) {
           return rm(to).then(() => CLOBBER)
         }
+        // neither skip nor clobber
+        return false
       })
     } else {
       // doesn't exist, dir might not either

lib/shim-bin.js

@@ -56,19 +56,20 @@ const shimBin = ({ path, to, from, absFrom, force }) => {
     }
 
     if (force) {
-      return
+      return false
     }
 
     return Promise.all(shims.map((s, i) => [s, stats[i]]).map(([s, st]) => {
       if (!st) {
-        return
+        return false
       }
       return readCmdShim(s)
         .then(target => {
           target = resolve(dirname(to), target)
           if (target.indexOf(resolve(path)) !== 0) {
             return failEEXIST({ from, to, path })
           }
+          return false
         }, er => handleReadCmdShimError({ er, from, to }))
     }))
   })

test/fix-bin.js

@@ -5,31 +5,29 @@ const umask = process.umask()
 const fs = require('fs')
 const { readFileSync, statSync, chmodSync } = fs
 
-t.test('fix windows hashbang', t => {
+t.test('fix windows hashbang', async t => {
   const dir = t.testdir({
     whb: `#!/usr/bin/env node\r\nconsole.log('hello')\r\n`,
   })
   chmodSync(`${dir}/whb`, 0o644)
-  return fixBin(`${dir}/whb`).then(() => {
-    t.equal((statSync(`${dir}/whb`).mode & 0o777), 0o777 & (~umask), 'has exec perms')
-    t.equal(readFileSync(`${dir}/whb`, 'utf8'),
-      `#!/usr/bin/env node\nconsole.log('hello')\r\n`, 'fixed \\r on hashbang line')
-  })
+  await fixBin(`${dir}/whb`)
+  t.equal((statSync(`${dir}/whb`).mode & 0o777), 0o777 & (~umask), 'has exec perms')
+  t.equal(readFileSync(`${dir}/whb`, 'utf8'),
+    `#!/usr/bin/env node\nconsole.log('hello')\r\n`, 'fixed \\r on hashbang line')
 })
 
-t.test('dont fix non-windows hashbang file', t => {
+t.test('dont fix non-windows hashbang file', async t => {
   const dir = t.testdir({
     goodhb: `#!/usr/bin/env node\nconsole.log('hello')\r\n`,
   })
   chmodSync(`${dir}/goodhb`, 0o644)
-  return fixBin(`${dir}/goodhb`).then(() => {
-    t.equal((statSync(`${dir}/goodhb`).mode & 0o777), 0o777 & (~umask), 'has exec perms')
-    t.equal(readFileSync(`${dir}/goodhb`, 'utf8'),
-      `#!/usr/bin/env node\nconsole.log('hello')\r\n`, 'fixed \\r on hashbang line')
-  })
+  await fixBin(`${dir}/goodhb`)
+  t.equal((statSync(`${dir}/goodhb`).mode & 0o777), 0o777 & (~umask), 'has exec perms')
+  t.equal(readFileSync(`${dir}/goodhb`, 'utf8'),
+    `#!/usr/bin/env node\nconsole.log('hello')\r\n`, 'fixed \\r on hashbang line')
 })
 
-t.test('failure to read means not a windows hash bang file', t => {
+t.test('failure to read means not a windows hash bang file', async t => {
   const fsMock = {
     ...fs,
     read: (a, b, c, d, e, cb) => {
@@ -45,15 +43,14 @@ t.test('failure to read means not a windows hash bang file', t => {
     whb: `#!/usr/bin/env node\r\nconsole.log('hello')\r\n`,
   })
   chmodSync(`${dir}/whb`, 0o644)
-  return mockedFixBin(`${dir}/whb`).then(() => {
-    t.equal((statSync(`${dir}/whb`).mode & 0o777), 0o777 & (~umask), 'has exec perms')
-    t.equal(readFileSync(`${dir}/whb`, 'utf8'),
-      /* eslint-disable-next-line max-len */
-      `#!/usr/bin/env node\r\nconsole.log('hello')\r\n`, 'did not fix \\r on hashbang line (failed read)')
-  })
+  await mockedFixBin(`${dir}/whb`)
+  t.equal((statSync(`${dir}/whb`).mode & 0o777), 0o777 & (~umask), 'has exec perms')
+  t.equal(readFileSync(`${dir}/whb`, 'utf8'),
+    /* eslint-disable-next-line max-len */
+    `#!/usr/bin/env node\r\nconsole.log('hello')\r\n`, 'did not fix \\r on hashbang line (failed read)')
 })
 
-t.test('failure to close is ignored', t => {
+t.test('failure to close is ignored', async t => {
   const fsMock = {
     ...fs,
     close: (fd, cb) => {
@@ -69,34 +66,33 @@ t.test('failure to close is ignored', t => {
     whb: `#!/usr/bin/env node\r\nconsole.log('hello')\r\n`,
   })
   chmodSync(`${dir}/whb`, 0o644)
-  return mockedFixBin(`${dir}/whb`).then(() => {
-    t.equal((statSync(`${dir}/whb`).mode & 0o777), 0o777 & (~umask), 'has exec perms')
-    t.equal(readFileSync(`${dir}/whb`, 'utf8'),
-      /* eslint-disable-next-line max-len */
-      `#!/usr/bin/env node\nconsole.log('hello')\r\n`, 'fixed \\r on hashbang line (ignored failed close)')
-  })
+  await mockedFixBin(`${dir}/whb`)
+  t.equal((statSync(`${dir}/whb`).mode & 0o777), 0o777 & (~umask), 'has exec perms')
+  t.equal(
+    readFileSync(`${dir}/whb`, 'utf8'),
+    `#!/usr/bin/env node\nconsole.log('hello')\r\n`,
+    'fixed \\r on hashbang line (ignored failed close)'
+  )
 })
 
-t.test('custom exec mode', t => {
+t.test('custom exec mode', async t => {
   const dir = t.testdir({
     goodhb: `#!/usr/bin/env node\nconsole.log('hello')\r\n`,
   })
   chmodSync(`${dir}/goodhb`, 0o644)
-  return fixBin(`${dir}/goodhb`, 0o755).then(() => {
-    t.equal((statSync(`${dir}/goodhb`).mode & 0o755), 0o755 & (~umask), 'has exec perms')
-    t.equal(readFileSync(`${dir}/goodhb`, 'utf8'),
-      `#!/usr/bin/env node\nconsole.log('hello')\r\n`, 'fixed \\r on hashbang line')
-  })
+  await fixBin(`${dir}/goodhb`, 0o755)
+  t.equal((statSync(`${dir}/goodhb`).mode & 0o755), 0o755 & (~umask), 'has exec perms')
+  t.equal(readFileSync(`${dir}/goodhb`, 'utf8'),
+    `#!/usr/bin/env node\nconsole.log('hello')\r\n`, 'fixed \\r on hashbang line')
 })
 
-t.test('custom exec mode in windows', t => {
+t.test('custom exec mode in windows', async t => {
   const dir = t.testdir({
     goodhb: `#!/usr/bin/env node\r\nconsole.log('hello')\r\n`,
   })
   chmodSync(`${dir}/goodhb`, 0o644)
-  return fixBin(`${dir}/goodhb`, 0o755).then(() => {
-    t.equal((statSync(`${dir}/goodhb`).mode & 0o755), 0o755 & (~umask), 'has exec perms')
-    t.equal(readFileSync(`${dir}/goodhb`, 'utf8'),
-      `#!/usr/bin/env node\nconsole.log('hello')\r\n`, 'fixed \\r on hashbang line')
-  })
+  await fixBin(`${dir}/goodhb`, 0o755)
+  t.equal((statSync(`${dir}/goodhb`).mode & 0o755), 0o755 & (~umask), 'has exec perms')
+  t.equal(readFileSync(`${dir}/goodhb`, 'utf8'),
+    `#!/usr/bin/env node\nconsole.log('hello')\r\n`, 'fixed \\r on hashbang line')
 })

test/link-gently.js

@@ -109,7 +109,7 @@ t.test('racey race', async t => {
     existingLink: t.fixture('symlink', './pkg/hello.js'),
     existingFile: 'hello',
   })
-  return Promise.all([
+  await Promise.all([
     mockedLinkGently({
       path: `${dir}/pkg`,
       from: `./pkg/hello.js`,
@@ -125,8 +125,7 @@ t.test('racey race', async t => {
       force: true,
     }),
     new Promise((res) => fs.symlink(__filename, `${dir}/racecar`, 'file', res)),
-  ]).then(() => {
-    const target = fs.readlinkSync(`${dir}/racecar`)
-    t.match(target, /^\.\/(other)?pkg\/hello\.js$/, 'should link to one of them')
-  })
+  ])
+  const target = fs.readlinkSync(`${dir}/racecar`)
+  t.match(target, /^\.\/(other)?pkg\/hello\.js$/, 'should link to one of them')
 })