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Diffstat (limited to 'bin/wiki/ImportarDesdeURL/node_modules/moment/src/lib/moment/diff.js')
-rw-r--r-- | bin/wiki/ImportarDesdeURL/node_modules/moment/src/lib/moment/diff.js | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/bin/wiki/ImportarDesdeURL/node_modules/moment/src/lib/moment/diff.js b/bin/wiki/ImportarDesdeURL/node_modules/moment/src/lib/moment/diff.js new file mode 100644 index 00000000..85254dfc --- /dev/null +++ b/bin/wiki/ImportarDesdeURL/node_modules/moment/src/lib/moment/diff.js @@ -0,0 +1,58 @@ +import absFloor from '../utils/abs-floor'; +import { cloneWithOffset } from '../units/offset'; +import { normalizeUnits } from '../units/aliases'; + +export function diff (input, units, asFloat) { + var that, + zoneDelta, + delta, output; + + if (!this.isValid()) { + return NaN; + } + + that = cloneWithOffset(input, this); + + if (!that.isValid()) { + return NaN; + } + + zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4; + + units = normalizeUnits(units); + + switch (units) { + case 'year': output = monthDiff(this, that) / 12; break; + case 'month': output = monthDiff(this, that); break; + case 'quarter': output = monthDiff(this, that) / 3; break; + case 'second': output = (this - that) / 1e3; break; // 1000 + case 'minute': output = (this - that) / 6e4; break; // 1000 * 60 + case 'hour': output = (this - that) / 36e5; break; // 1000 * 60 * 60 + case 'day': output = (this - that - zoneDelta) / 864e5; break; // 1000 * 60 * 60 * 24, negate dst + case 'week': output = (this - that - zoneDelta) / 6048e5; break; // 1000 * 60 * 60 * 24 * 7, negate dst + default: output = this - that; + } + + return asFloat ? output : absFloor(output); +} + +function monthDiff (a, b) { + // difference in months + var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()), + // b is in (anchor - 1 month, anchor + 1 month) + anchor = a.clone().add(wholeMonthDiff, 'months'), + anchor2, adjust; + + if (b - anchor < 0) { + anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor - anchor2); + } else { + anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor2 - anchor); + } + + //check for negative zero, return zero if negative zero + return -(wholeMonthDiff + adjust) || 0; +} |