refactor gender parsing function

src/actors.js

@@ -33,6 +33,7 @@ const capitalize = require('./utils/capitalize');
 const resolvePlace = require('./utils/resolve-place');
 const { resolveLayoutScraper } = require('./scrapers/resolve');
 const getRecursiveParameters = require('./utils/get-recursive-parameters');
+const dayjs = require('dayjs');
 
 const hairColors = {
 	'jet-black': 'black',
@@ -334,6 +335,32 @@ function curateProfileEntry(profile) {
 	return curatedProfileEntry;
 }
 
+/**
+ * @param {Date} birthDate
+ */
+function isAdult(birthDate) {
+	return dayjs(birthDate).diff(new Date(), "years") >= 18;
+}
+
+/**
+ * Tries to parse gender from string, or null if not found
+ * 
+ * @param {String} text
+ * @returns {String | null}
+ */
+function tryParseGender(text) {
+	if (/female/i.test(profile.gender)) {
+		return 'female';
+	}
+	else if (/shemale|trans/i.test(profile.gender)) {
+		return 'transsexual';
+	}
+	else if (/male/i.test(profile.gender)) {
+		return 'male';
+	}
+	return null;
+}
+
 async function curateProfile(profile, actor) {
 	if (!profile) {
 		return null;
@@ -367,15 +394,12 @@ async function curateProfile(profile, actor) {
 		curatedProfile.tattoos = profile.tattoos?.trim() || null;
 		curatedProfile.piercings = profile.piercings?.trim() || null;
 
-		curatedProfile.gender = (/female/i.test(profile.gender) && 'female')
-			|| (/shemale|trans/i.test(profile.gender) && 'transsexual')
-			|| (/male/i.test(profile.gender) && 'male')
-			|| null;
+		curatedProfile.gender = tryParseGender(profile.gender);
 
 		const dateOfBirth = profile.dateOfBirth || profile.birthdate;
 
 		curatedProfile.dateOfBirth = (!Number.isNaN(Number(dateOfBirth)) // possibly valid date
-			&& new Date() - dateOfBirth > 567648000000 // over 18
+			&& isAdult(dateOfBirth) // over 18
 			&& dateOfBirth)
 			|| null;