diff options
Diffstat (limited to 'deps/npm/node_modules/cross-spawn/lib/util/readShebang.js')
-rw-r--r-- | deps/npm/node_modules/cross-spawn/lib/util/readShebang.js | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/deps/npm/node_modules/cross-spawn/lib/util/readShebang.js b/deps/npm/node_modules/cross-spawn/lib/util/readShebang.js deleted file mode 100644 index 2cf3541c99..0000000000 --- a/deps/npm/node_modules/cross-spawn/lib/util/readShebang.js +++ /dev/null @@ -1,37 +0,0 @@ -'use strict'; - -var fs = require('fs'); -var LRU = require('lru-cache'); -var shebangCommand = require('shebang-command'); - -var shebangCache = new LRU({ max: 50, maxAge: 30 * 1000 }); // Cache just for 30sec - -function readShebang(command) { - var buffer; - var fd; - var shebang; - - // Check if it is in the cache first - if (shebangCache.has(command)) { - return shebangCache.get(command); - } - - // Read the first 150 bytes from the file - buffer = new Buffer(150); - - try { - fd = fs.openSync(command, 'r'); - fs.readSync(fd, buffer, 0, 150, 0); - fs.closeSync(fd); - } catch (e) { /* empty */ } - - // Attempt to extract shebang (null is returned if not a shebang) - shebang = shebangCommand(buffer.toString()); - - // Store the shebang in the cache - shebangCache.set(command, shebang); - - return shebang; -} - -module.exports = readShebang; |