Current Dev State

static/js/ketcher2/node_modules/shelljs/src/tempdir.js

@@ -0,0 +1,60 @@
+var common = require('./common');
+var os = require('os');
+var fs = require('fs');
+
+common.register('tempdir', _tempDir, {
+  allowGlobbing: false,
+  wrapOutput: false,
+});
+
+// Returns false if 'dir' is not a writeable directory, 'dir' otherwise
+function writeableDir(dir) {
+  if (!dir || !fs.existsSync(dir)) return false;
+
+  if (!fs.statSync(dir).isDirectory()) return false;
+
+  var testFile = dir + '/' + common.randomFileName();
+  try {
+    fs.writeFileSync(testFile, ' ');
+    common.unlinkSync(testFile);
+    return dir;
+  } catch (e) {
+    /* istanbul ignore next */
+    return false;
+  }
+}
+
+
+//@
+//@ ### tempdir()
+//@
+//@ Examples:
+//@
+//@ ```javascript
+//@ var tmp = tempdir(); // "/tmp" for most *nix platforms
+//@ ```
+//@
+//@ Searches and returns string containing a writeable, platform-dependent temporary directory.
+//@ Follows Python's [tempfile algorithm](http://docs.python.org/library/tempfile.html#tempfile.tempdir).
+function _tempDir() {
+  var state = common.state;
+  if (state.tempDir) return state.tempDir; // from cache
+
+  state.tempDir = writeableDir(os.tmpdir && os.tmpdir()) || // node 0.10+
+                  writeableDir(os.tmpDir && os.tmpDir()) || // node 0.8+
+                  writeableDir(process.env.TMPDIR) ||
+                  writeableDir(process.env.TEMP) ||
+                  writeableDir(process.env.TMP) ||
+                  writeableDir(process.env.Wimp$ScrapDir) || // RiscOS
+                  writeableDir('C:\\TEMP') || // Windows
+                  writeableDir('C:\\TMP') || // Windows
+                  writeableDir('\\TEMP') || // Windows
+                  writeableDir('\\TMP') || // Windows
+                  writeableDir('/tmp') ||
+                  writeableDir('/var/tmp') ||
+                  writeableDir('/usr/tmp') ||
+                  writeableDir('.'); // last resort
+
+  return state.tempDir;
+}
+module.exports = _tempDir;