chrono-node
Version:
A natural language date parser in Javascript
55 lines • 2.2 kB
JavaScript
import { Meridiem } from "../../../types.js";
import { AbstractTimeExpressionParser } from "../../../common/parsers/AbstractTimeExpressionParser.js";
export default class ITTimeExpressionParser extends AbstractTimeExpressionParser {
constructor(strictMode) {
super(strictMode);
}
followingPhase() {
return "\\s*(?:\\-|\\–|\\~|\\〜|a|fino\\s*a|alle?|\\?)\\s*";
}
primaryPrefix() {
return "(?:(?:alle?|dalle?)\\s*)??";
}
primarySuffix() {
return "(?:\\s*(?:di\\s*(?:sera|notte|mattina|pomeriggio)))?(?!/)(?=\\W|$)";
}
extractPrimaryTimeComponents(context, match) {
const components = super.extractPrimaryTimeComponents(context, match);
if (!components) {
return components;
}
if (match[0].match(/di\s*(?:sera|notte)/i)) {
const hour = components.get("hour");
if (hour >= 6 && hour < 12) {
components.assign("hour", components.get("hour") + 12);
components.assign("meridiem", Meridiem.PM);
}
else if (hour < 6) {
components.assign("meridiem", Meridiem.AM);
}
}
if (match[0].match(/di\s*pomeriggio/i)) {
components.assign("meridiem", Meridiem.PM);
const hour = components.get("hour");
if (hour >= 0 && hour <= 6) {
components.assign("hour", components.get("hour") + 12);
}
}
if (match[0].match(/di\s*mattina/i)) {
components.assign("meridiem", Meridiem.AM);
const hour = components.get("hour");
if (hour < 12) {
components.assign("hour", components.get("hour"));
}
}
return components.addTag("parser/ITTimeExpressionParser");
}
extractFollowingTimeComponents(context, match, result) {
const followingComponents = super.extractFollowingTimeComponents(context, match, result);
if (followingComponents) {
followingComponents.addTag("parser/ITTimeExpressionParser");
}
return followingComponents;
}
}
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