RosettaCodeData/Task/Read-a-configuration-file/JavaScript/read-a-configuration-file-1.js

27 lines
870 B
JavaScript

function parseConfig(config) {
// this expression matches a line starting with an all capital word,
// and anything after it
var regex = /^([A-Z]+)(.*)$/mg;
var configObject = {};
// loop until regex.exec returns null
var match;
while (match = regex.exec(config)) {
// values will typically be an array with one element
// unless we want an array
// match[0] is the whole match, match[1] is the first group (all caps word),
// and match[2] is the second (everything through the end of line)
var key = match[1], values = match[2].split(",");
if (values.length === 1) {
configObject[key] = values[0];
}
else {
configObject[key] = values.map(function(value){
return value.trim();
});
}
}
return configObject;
}