chrono-node/dist/esm/common/refiners/UnlikelyFormatFilter.js

A natural language date parser in Javascript

import { Filter } from "../abstractRefiners.js";
export default class UnlikelyFormatFilter extends Filter {
    constructor(strictMode) {
        super();
        this.strictMode = strictMode;
    }
    isValid(context, result) {
        if (result.text.replace(" ", "").match(/^\d*(\.\d*)?$/)) {
            context.debug(() => {
                console.log(`Removing unlikely result '${result.text}'`);
            });
            return false;
        }
        if (!result.start.isValidDate()) {
            context.debug(() => {
                console.log(`Removing invalid result: ${result} (${result.start})`);
            });
            return false;
        }
        if (result.end && !result.end.isValidDate()) {
            context.debug(() => {
                console.log(`Removing invalid result: ${result} (${result.end})`);
            });
            return false;
        }
        if (this.strictMode) {
            return this.isStrictModeValid(context, result);
        }
        return true;
    }
    isStrictModeValid(context, result) {
        if (result.start.isOnlyWeekdayComponent()) {
            context.debug(() => {
                console.log(`(Strict) Removing weekday only component: ${result} (${result.end})`);
            });
            return false;
        }
        if (result.start.isOnlyTime() && (!result.start.isCertain("hour") || !result.start.isCertain("minute"))) {
            context.debug(() => {
                console.log(`(Strict) Removing uncertain time component: ${result} (${result.end})`);
            });
            return false;
        }
        return true;
    }
}
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