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29 lines
927 B
29 lines
927 B
// Matches strings that look like dates using "/" as a separator.
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// Examples: 3/10/2011, 31/10/96 or 08/31/95.
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const SLASH_SEPARATED_DATES = /(?:(?:[0-3]?\d\/[01]?\d)|(?:[01]?\d\/[0-3]?\d))\/(?:[12]\d)?\d{2}/
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// Matches timestamps.
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// Examples: "2012-01-02 08:00".
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// Note that the reg-ex does not include the
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// trailing ":\d\d" -- that is covered by TIME_STAMPS_SUFFIX.
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const TIME_STAMPS = /[12]\d{3}[-/]?[01]\d[-/]?[0-3]\d +[0-2]\d$/
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const TIME_STAMPS_SUFFIX_LEADING = /^:[0-5]\d/
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export default function isValidPreCandidate(candidate, offset, text)
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{
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// Skip a match that is more likely to be a date.
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if (SLASH_SEPARATED_DATES.test(candidate)) {
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return false
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}
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// Skip potential time-stamps.
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if (TIME_STAMPS.test(candidate))
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{
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const followingText = text.slice(offset + candidate.length)
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if (TIME_STAMPS_SUFFIX_LEADING.test(followingText)) {
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return false
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}
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}
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return true
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} |