chrono-node
Version:
A natural language date parser in Javascript
39 lines • 1.94 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const constants_1 = require("../constants");
const results_1 = require("../../../results");
const AbstractParserWithWordBoundary_1 = require("../../../common/parsers/AbstractParserWithWordBoundary");
const PATTERN_WITH_OPTIONAL_PREFIX = new RegExp(`(?:(?:within|in|for)\\s*)?` +
`(?:(?:about|around|roughly|approximately|just)\\s*(?:~\\s*)?)?(${constants_1.TIME_UNITS_PATTERN})(?=\\W|$)`, "i");
const PATTERN_WITH_PREFIX = new RegExp(`(?:within|in|for)\\s*` +
`(?:(?:about|around|roughly|approximately|just)\\s*(?:~\\s*)?)?(${constants_1.TIME_UNITS_PATTERN})(?=\\W|$)`, "i");
const PATTERN_WITH_PREFIX_STRICT = new RegExp(`(?:within|in|for)\\s*` +
`(?:(?:about|around|roughly|approximately|just)\\s*(?:~\\s*)?)?(${constants_1.TIME_UNITS_NO_ABBR_PATTERN})(?=\\W|$)`, "i");
class ENTimeUnitWithinFormatParser extends AbstractParserWithWordBoundary_1.AbstractParserWithWordBoundaryChecking {
constructor(strictMode) {
super();
this.strictMode = strictMode;
}
innerPattern(context) {
if (this.strictMode) {
return PATTERN_WITH_PREFIX_STRICT;
}
return context.option.forwardDate ? PATTERN_WITH_OPTIONAL_PREFIX : PATTERN_WITH_PREFIX;
}
innerExtract(context, match) {
if (match[0].match(/^for\s*the\s*\w+/)) {
return null;
}
const timeUnits = (0, constants_1.parseTimeUnits)(match[1]);
if (!timeUnits) {
return null;
}
context.debug(() => {
console.log(timeUnits);
console.log(results_1.ParsingComponents.createRelativeFromReference(context.reference, timeUnits));
});
return results_1.ParsingComponents.createRelativeFromReference(context.reference, timeUnits);
}
}
exports.default = ENTimeUnitWithinFormatParser;
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