/node_modules/moment/src/lib/create/from-string-and-format.js
https://bitbucket.org/coleman333/smartsite · JavaScript · 113 lines · 86 code · 13 blank · 14 comment · 27 complexity · e5dd26d9d3692c3e9e268d96be0655a1 MD5 · raw file
- import { configFromISO, configFromRFC2822 } from './from-string';
- import { configFromArray } from './from-array';
- import { getParseRegexForToken } from '../parse/regex';
- import { addTimeToArrayFromToken } from '../parse/token';
- import { expandFormat, formatTokenFunctions, formattingTokens } from '../format/format';
- import checkOverflow from './check-overflow';
- import { HOUR } from '../units/constants';
- import { hooks } from '../utils/hooks';
- import getParsingFlags from './parsing-flags';
- // constant that refers to the ISO standard
- hooks.ISO_8601 = function () {};
- // constant that refers to the RFC 2822 form
- hooks.RFC_2822 = function () {};
- // date from string and format string
- export function configFromStringAndFormat(config) {
- // TODO: Move this to another part of the creation flow to prevent circular deps
- if (config._f === hooks.ISO_8601) {
- configFromISO(config);
- return;
- }
- if (config._f === hooks.RFC_2822) {
- configFromRFC2822(config);
- return;
- }
- config._a = [];
- getParsingFlags(config).empty = true;
- // This array is used to make a Date, either with `new Date` or `Date.UTC`
- var string = '' + config._i,
- i, parsedInput, tokens, token, skipped,
- stringLength = string.length,
- totalParsedInputLength = 0;
- tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];
- for (i = 0; i < tokens.length; i++) {
- token = tokens[i];
- parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
- // console.log('token', token, 'parsedInput', parsedInput,
- // 'regex', getParseRegexForToken(token, config));
- if (parsedInput) {
- skipped = string.substr(0, string.indexOf(parsedInput));
- if (skipped.length > 0) {
- getParsingFlags(config).unusedInput.push(skipped);
- }
- string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
- totalParsedInputLength += parsedInput.length;
- }
- // don't parse if it's not a known token
- if (formatTokenFunctions[token]) {
- if (parsedInput) {
- getParsingFlags(config).empty = false;
- }
- else {
- getParsingFlags(config).unusedTokens.push(token);
- }
- addTimeToArrayFromToken(token, parsedInput, config);
- }
- else if (config._strict && !parsedInput) {
- getParsingFlags(config).unusedTokens.push(token);
- }
- }
- // add remaining unparsed input length to the string
- getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
- if (string.length > 0) {
- getParsingFlags(config).unusedInput.push(string);
- }
- // clear _12h flag if hour is <= 12
- if (config._a[HOUR] <= 12 &&
- getParsingFlags(config).bigHour === true &&
- config._a[HOUR] > 0) {
- getParsingFlags(config).bigHour = undefined;
- }
- getParsingFlags(config).parsedDateParts = config._a.slice(0);
- getParsingFlags(config).meridiem = config._meridiem;
- // handle meridiem
- config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);
- configFromArray(config);
- checkOverflow(config);
- }
- function meridiemFixWrap (locale, hour, meridiem) {
- var isPm;
- if (meridiem == null) {
- // nothing to do
- return hour;
- }
- if (locale.meridiemHour != null) {
- return locale.meridiemHour(hour, meridiem);
- } else if (locale.isPM != null) {
- // Fallback
- isPm = locale.isPM(meridiem);
- if (isPm && hour < 12) {
- hour += 12;
- }
- if (!isPm && hour === 12) {
- hour = 0;
- }
- return hour;
- } else {
- // this is not supposed to happen
- return hour;
- }
- }