from-string-and-array.js
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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;
if (config._f.length === 0) {
getParsingFlags(config).invalidFormat = true;
config._d = new Date(NaN);
return;
}
for (i = 0; i < config._f.length; 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);
}