Module:FindYDCportal/doc

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This is the documentation page for Module:FindYDCportal

A helper module to find the most specific chronology portal which actually exists for a given year or decade. Used to simplify linking to a chronology portal.

October 2019 update

All by-year and by-century portals have been deleted. There are now only 8 decade portals, listed in Category:Decades portals.

So all checking for century and year portals has been disabled.

If any of the decade portals are deleted, then this module should be edited to remove that decade from the table existingDecadePortals

Parameters

Takes one parameter, which must be either a year (e.g. "1879", "1123") or a decade (e.g. "1940s", "730s").

If the parameter is missing, empty, or does not fit the required format, an empty string is returned.

Output

If a portal is found, returns its name without the namespace prefix, e.g.

If no portal is found, it returns an empty string.

Usage

Year parameter

{{#invoke: FindYDCportal | findydcportal |YYYY}} ... where YYYY is a 3- or 4-digit year

Decade parameter

{{#invoke: FindYDCportal | findydcportal |YYY0s}} ... where YYY0s is a 3- or 4-digit decade

Examples

Years
  • {{#invoke: FindYDCportal | findydcportal |2018}}
  • {{#invoke: FindYDCportal | findydcportal |1935}}
  • {{#invoke: FindYDCportal | findydcportal |1857}}
  • {{#invoke: FindYDCportal | findydcportal |736}}
  • {{#invoke: FindYDCportal | findydcportal |1800}}
Decades
  • {{#invoke: FindYDCportal | findydcportal |2000s}}
  • {{#invoke: FindYDCportal | findydcportal |1940s}}
  • {{#invoke: FindYDCportal | findydcportal |560s}}
Missing parameter
  • {{#invoke: FindYDCportal | findydcportal}}
Empty parameter
  • {{#invoke: FindYDCportal | findydcportal | }}
Invalid parameter
  • {{#invoke: FindYDCportal | findydcportal | 1927-related}}
  • {{#invoke: FindYDCportal | findydcportal | Swedish chef}}

Logic

If the parameter is a year:

  1. If the year portal exists, return its name.
    Otherwise try the decade.
  2. If the decade portal exists, return its name.
    Otherwise try the century
  3. If the century portal exists, return its name.
    Otherwise return an empty string

If the parameter is a decade:

  1. If the decade portal exists, return its name.
    Otherwise try the century
  2. If the century portal exists, return its name.
    Otherwise return an empty string

See also