chrono-node
Version:
A natural language date parser in Javascript
86 lines • 3.85 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const dayjs_1 = __importDefault(require("dayjs"));
const AbstractParserWithWordBoundary_1 = require("../../../common/parsers/AbstractParserWithWordBoundary");
const dayjs_2 = require("../../../utils/dayjs");
const DECasualTimeParser_1 = __importDefault(require("./DECasualTimeParser"));
const references = __importStar(require("../../../common/casualReferences"));
const PATTERN = new RegExp(`(jetzt|heute|morgen|übermorgen|uebermorgen|gestern|vorgestern|letzte\\s*nacht)` +
`(?:\\s*(morgen|vormittag|mittags?|nachmittag|abend|nacht|mitternacht))?` +
`(?=\\W|$)`, "i");
const DATE_GROUP = 1;
const TIME_GROUP = 2;
class DECasualDateParser extends AbstractParserWithWordBoundary_1.AbstractParserWithWordBoundaryChecking {
innerPattern(context) {
return PATTERN;
}
innerExtract(context, match) {
let targetDate = dayjs_1.default(context.refDate);
const dateKeyword = (match[DATE_GROUP] || "").toLowerCase();
const timeKeyword = (match[TIME_GROUP] || "").toLowerCase();
let component = context.createParsingComponents();
switch (dateKeyword) {
case "jetzt":
component = references.now(context.reference);
break;
case "heute":
component = references.today(context.reference);
break;
case "morgen":
dayjs_2.assignTheNextDay(component, targetDate);
break;
case "übermorgen":
case "uebermorgen":
targetDate = targetDate.add(1, "day");
dayjs_2.assignTheNextDay(component, targetDate);
break;
case "gestern":
targetDate = targetDate.add(-1, "day");
dayjs_2.assignSimilarDate(component, targetDate);
dayjs_2.implySimilarTime(component, targetDate);
break;
case "vorgestern":
targetDate = targetDate.add(-2, "day");
dayjs_2.assignSimilarDate(component, targetDate);
dayjs_2.implySimilarTime(component, targetDate);
break;
default:
if (dateKeyword.match(/letzte\s*nacht/)) {
if (targetDate.hour() > 6) {
targetDate = targetDate.add(-1, "day");
}
dayjs_2.assignSimilarDate(component, targetDate);
component.imply("hour", 0);
}
break;
}
if (timeKeyword) {
component = DECasualTimeParser_1.default.extractTimeComponents(component, timeKeyword);
}
return component;
}
}
exports.default = DECasualDateParser;
//# sourceMappingURL=DECasualDateParser.js.map