diff options
Diffstat (limited to 'library/moment/src/lib/create/from-string-and-format.js')
-rw-r--r-- | library/moment/src/lib/create/from-string-and-format.js | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/library/moment/src/lib/create/from-string-and-format.js b/library/moment/src/lib/create/from-string-and-format.js new file mode 100644 index 000000000..ae48b9038 --- /dev/null +++ b/library/moment/src/lib/create/from-string-and-format.js @@ -0,0 +1,102 @@ +import { configFromISO } 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 () {}; + +// 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; + } + + 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]; + 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 (getParsingFlags(config).bigHour === true && + config._a[HOUR] <= 12 && + config._a[HOUR] > 0) { + getParsingFlags(config).bigHour = undefined; + } + // 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; + } +} |