Template:Error if empty
The template {{Error if empty}} is used to avoid unwanted transclusions of the {{Error}} template in those cases in whic
The template {{Error if empty}} is used to avoid unwanted transclusions of the {{Error}} template in those cases in which the {{#if}} (or a similar) parser function is not directly used for determining the error conditions. In these cases, this templates will appear permanently transcluded instead of {{Error}}.
Usage
This template checks whether the first parameter is empty. If it is, it calls {{Error}} using the second parameter; otherwise it shows the first parameter, trimmed of trailing and leading spaces.
{{Error if empty|Hello world|Error: Lorem ipsum dolor sit amet.}}- ↳ Hello world
{{Error if empty||Error: Lorem ipsum dolor sit amet.}}- ↳ Error: Lorem ipsum dolor sit amet.
{{Error if empty|}}- ↳ Error: There is no text to show
{{Error if empty}}- ↳ Error: There is no text to show
See also
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