colouring-montreal/app/src/parse.js

28 lines
522 B
JavaScript
Raw Normal View History

2018-09-13 15:36:14 -04:00
/**
* Utility functions for parsing
*/
/**
* Parse a string as positive integer or NaN
*
* @param {string} value
*/
function strictParseInt(value) {
if (/^([1-9][0-9]+)$/.test(value))
return Number(value);
return NaN;
}
function parseBuildingURL(url){
2018-09-13 15:41:42 -04:00
const re = /^\/building\/(.*)\/edit?.html$/;
2018-09-13 15:36:14 -04:00
const matches = re.exec(url);
if (matches && matches.length === 2) {
2018-09-13 15:41:42 -04:00
return strictParseInt(matches[1])
2018-09-13 15:36:14 -04:00
}
return undefined;
}
export { strictParseInt, parseBuildingURL };