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https://github.com/Jermolene/TiddlyWiki5
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25 lines
1.3 KiB
Plaintext
25 lines
1.3 KiB
Plaintext
caption: slugify
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created: 20200509141702846
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modified: 20200509141702846
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op-input: a [[selection of titles|Title Selection]]
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op-output: the input titles transformed so that they only contain lower case letters, numbers, periods, dashes and underscores
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op-purpose: returns each item in the list in a human-readable form for use in URLs or filenames
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tags: [[Filter Operators]]
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title: slugify Operator
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type: text/vnd.tiddlywiki
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<<.from-version "5.1.23">> The transformation applied by the slugify operator follows these steps:
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* If there is a tiddler with the same title that has a ''slug'' field, then return that field instead of running the following steps
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* Replace uppercase letters with lowercase equivalents
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* Transliterate diacritics to their basic lowercase ASCII equivalents (for example, "Æ" is transliterated to "AE")
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* Replace spaces with dashes
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* Remove all non-word characters except dashes and periods
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* Replace multiple sequential dashes with a single dash
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* Trim dashes from start and end
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* If the result is the empty string then character codes are used instead (eg. "&£@" transforms to "38-163-64")
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Note that it is possible for more than one title to slugify to the same string. The <<.olink duplicateslugs>> can be used to alert authors to any clashes.
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<<.operator-examples "slugify">>
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