init method
for ES to initialize the user dictionary.
@param configFile
Implementation
void init(String configFile) {
var dir = Directory(configFile);
String abspath = File(configFile).absolute.path;
if (loadedPath.contains(abspath)) {
return;
}
for (var path in dir.listSync()) {
if (path.path.endsWith(USER_DICT_SUFFIX)) {
singleton?.loadUserDict(path.path);
}
}
loadedPath.add(abspath);
}