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- import { copyConfig } from '../moment/constructor';
- import { configFromStringAndFormat } from './from-string-and-format';
- import getParsingFlags from './parsing-flags';
- import { isValid } from './valid';
- import extend from '../utils/extend';
- // date from string and array of format strings
- export function configFromStringAndArray(config) {
- var tempConfig,
- bestMoment,
- scoreToBeat,
- i,
- currentScore,
- validFormatFound,
- bestFormatIsValid = false,
- configfLen = config._f.length;
- if (configfLen === 0) {
- getParsingFlags(config).invalidFormat = true;
- config._d = new Date(NaN);
- return;
- }
- for (i = 0; i < configfLen; i++) {
- currentScore = 0;
- validFormatFound = false;
- tempConfig = copyConfig({}, config);
- if (config._useUTC != null) {
- tempConfig._useUTC = config._useUTC;
- }
- tempConfig._f = config._f[i];
- configFromStringAndFormat(tempConfig);
- if (isValid(tempConfig)) {
- validFormatFound = true;
- }
- // if there is any input that was not parsed add a penalty for that format
- currentScore += getParsingFlags(tempConfig).charsLeftOver;
- //or tokens
- currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;
- getParsingFlags(tempConfig).score = currentScore;
- if (!bestFormatIsValid) {
- if (
- scoreToBeat == null ||
- currentScore < scoreToBeat ||
- validFormatFound
- ) {
- scoreToBeat = currentScore;
- bestMoment = tempConfig;
- if (validFormatFound) {
- bestFormatIsValid = true;
- }
- }
- } else {
- if (currentScore < scoreToBeat) {
- scoreToBeat = currentScore;
- bestMoment = tempConfig;
- }
- }
- }
- extend(config, bestMoment || tempConfig);
- }
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