path.BaseName
BaseName returns the last element of a path, removing the extension if present.
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urlquery
Returns the escaped value of the textual representation of its arguments in a form suitable for embedding in a URL query.
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path.Clean
Replaces path separators with slashes (
/
) and removes extraneous separators.
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lang
TODO..
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strings.Count
Returns the number of non-overlapping instances of a substring within a string.
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hmac
Returns a cryptographic hash that uses a key to sign a message.
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.RenderString
Renders markup to HTML.
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strings.HasSuffix
Determine whether a given string ends with the provided trailing suffix string.
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merge
Returns the result of merging two or more maps.
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hugo
The
hugo
function provides easy access to Hugo-related data.
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transform.Unmarshal
transform.Unmarshal
(alias unmarshal
) parses the input and converts it into a map or an array. Supported formats are JSON, TOML, YAML, XML and CSV.
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path.Base
Base returns the last element of a path.
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path.Dir
Dir returns all but the last element of a path.
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path.Ext
Ext returns the file name extension of a path.
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path.Join
Join path elements into a single path.
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path.Split
Split path immediately following the final slash.
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reflect.IsMap
Reports if a value is a map.
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reflect.IsSlice
Reports if a value is a slice.
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symdiff
collections.SymDiff
(alias symdiff
) returns the symmetric difference of two collections.
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templates.Exists
Checks whether a template file exists under the given path relative to the
layouts
directory.
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anchorize
Takes a string and sanitizes it the same way as the
defaultMarkdownHandler
does for markdown headers.
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append
append
appends one or more values to a slice and returns the resulting slice.
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group
group
groups a list of pages.
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os.Stat
Returns a FileInfo structure describing a file or directory.
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strings.RuneCount
Determines the number of runes in a string.
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strings.Repeat
Returns INPUT repeated COUNT times.
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lang.Merge
Merge missing translations from other languages.
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errorf and warnf
Log ERROR or WARNING from the templates.
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float
Creates a
float
from the argument passed into the function.
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urls.Parse
Parse parses a given url, which may be relative or absolute, into a URL structure.
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cond
Return one of two arguments, depending on the value of a third argument.
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fileExists
Checks for file or directory existence.
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ge
Returns the boolean truth of arg1 >= arg2.
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gt
Returns the boolean truth of arg1 > arg2.
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le
Returns the boolean truth of arg1 <= arg2.
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lt
Returns the boolean truth of arg1 < arg2.
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ne
Returns the boolean truth of arg1 != arg2.
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.AddDate
Returns the time corresponding to adding the given number of years, months, and days to the given time.Time value.
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.Format
Formats built-in Hugo dates—
.Date
, .PublishDate
, and .Lastmod
—according to Go’s layout string.
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.Get
Accesses positional and ordered parameters in shortcode declaration.
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.HasMenuCurrent
.HasMenuCurrent is a method in Page object returning a boolean value. It returns true if the PAGE is the same object as the .Page in one of the children menu entries under MENUENTRY in a given MENU.
If MENUENTRY’s .Page is a section then, from Hugo 0.86.0, this method also returns true for any descendant of that section..
You can find its example use in menu templates.
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.IsMenuCurrent
.IsMenuCurrent is a method in Page object returning a boolean value. It returns true if the PAGE is the same object as the .Page in MENUENTRY in a given MENU.
You can find its example use in menu templates.
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.Render
Takes a view to apply when rendering content.
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.Scratch
Acts as a “scratchpad” to store and manipulate data.
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.Unix
Converts a time.Time value to the number of seconds elapsed since the Unix epoch, excluding leap seconds. The Unix epoch is 00:00:00 UTC on 1 January 1970.
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after
after
slices an array to only the items after the Nth item.
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apply
Given a map, array, or slice,
apply
returns a new slice with a function applied over it.
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base64
base64Encode
and base64Decode
let you easily decode content with a base64 encoding and vice versa through pipes.
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chomp
Removes any trailing newline characters.
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countrunes
Determines the number of runes in a string excluding any whitespace.
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countwords
Counts the number of words in a string.
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default
Allows setting a default value that can be returned if a first value is not set.
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delimit
Loops through any array, slice, or map and returns a string of all the values separated by a delimiter.
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dict
Creates a dictionary from a list of key and value pairs.
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echoParam
Prints a parameter if it is set.
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emojify
Runs a string through the Emoji emoticons processor.
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eq
Returns the boolean truth of arg1 == arg2.
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first
Slices an array to only the first N elements.
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getenv
Returns the value of an environment variable, or an empty string if the environment variable is not set.
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hasPrefix
Tests whether a string begins with prefix.
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highlight
Renders code with a syntax highlighter.
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htmlEscape
Returns the given string with the reserved HTML codes escaped.
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htmlUnescape
Returns the given string with HTML escape codes un-escaped.
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humanize
Returns the humanized version of an argument with the first letter capitalized.
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i18n
Translates a piece of content based on your i18n configuration files.
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Image Filters
The images namespace provides a list of filters and other image related functions.
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in
Checks if an element is in an array or slice–or a substring in a string—and returns a boolean.
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index
Looks up the index(es) or key(s) of the data structure passed into it.
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int
Creates an
int
from the argument passed into the function.
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intersect
Returns the common elements of two arrays or slices, in the same order as the first array.
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isset
Returns true if the parameter is set.
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jsonify
Encodes a given object to JSON.
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last
slices an array to only the last Nth elements.
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len
Returns the length of a variable according to its type.
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lower
Converts all characters in the provided string to lowercase.
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markdownify
Runs the provided string through the Markdown processor.
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Math
Hugo provides mathematical operators in templates.
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md5
hashes the given input and returns its MD5 checksum.
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now
Returns the current local time
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partialCached
Allows for caching of partials that do not need to be re-rendered on every invocation.
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plainify
Strips any HTML and returns the plain text version of the provided string.
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pluralize
Pluralizes the given word according to a set of common English pluralization rules
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Prints the default representation of the given arguments using the standard
fmt.Print
function.
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printf
Formats a string using the standard
fmt.Sprintf
function.
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println
Prints the default representation of the given argument using the standard
fmt.Print
function and enforces a linebreak.
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querify
Takes a set or slice of key-value pairs and returns a query string to be appended to URLs.
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range
Iterates over a map, array, or slice.
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readDir
Returns an array of FileInfo structures sorted by filename, one element for each directory entry.
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readFile
Returns the contents of a file.
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ref
Returns the absolute permalink to a page.
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relref
Returns the relative permalink to a page.
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replace
Replaces all occurrences of the search string with the replacement string.
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safeCSS
Declares the provided string as a known “safe” CSS string.
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safeHTML
Declares a provided string as a “safe” HTML document to avoid escaping by Go templates.
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safeJS
Declares the provided string as a known safe JavaScript string.
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safeURL
Declares the provided string as a safe URL or URL substring.
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seq
Creates a sequence of integers.
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sha
Hashes the given input and returns either an SHA1 or SHA256 checksum.
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shuffle
Returns a random permutation of a given array or slice.
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singularize
Converts a word according to a set of common English singularization rules.
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slice
Creates a slice (array) of all passed arguments.
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slicestr
Creates a slice of a half-open range, including start and end indices.
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sort
Sorts maps, arrays, and slices and returns a sorted slice.
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split
Returns a slice of strings by splitting STRING by DELIM.
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string
Creates a string from the argument passed to the function
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strings.TrimLeft
Returns a slice of a given string with all leading characters contained in the cutset removed.
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strings.TrimPrefix
Returns a given string s without the provided leading prefix string. If s doesn’t start with prefix, s is returned unchanged.
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strings.TrimRight
Returns a slice of a given string with all trailing characters contained in the cutset removed.
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strings.TrimSuffix
Returns a given string s without the provided trailing suffix string. If s doesn’t end with suffix, s is returned unchanged.
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substr
Extracts parts of a string from a specified character’s position and returns the specified number of characters.
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time
Converts a timestamp string into a
time.Time
structure.
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time.Format
Converts a date/time to a localized string.
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title
Converts all characters in the provided string to title case.
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trim
Returns a slice of a passed string with all leading and trailing characters from cutset removed.
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truncate
Truncates a text to a max length without cutting words or leaving unclosed HTML tags.
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union
Given two arrays or slices, returns a new array that contains the elements or objects that belong to either or both arrays/slices.
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uniq
Takes in a slice or array and returns a slice with subsequent duplicate elements removed.
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upper
Converts all characters in a string to uppercase
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urlize
Takes a string, sanitizes it for usage in URLs, and converts spaces to hyphens.
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where
Filters an array to only the elements containing a matching value for a given field.
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with
Rebinds the context (
.
) within its scope and skips the block if the variable is absent or empty.
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.Param
Returns a page parameter, falling back to a site parameter if present.
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absLangURL
Returns an absolute URL with a language prefix, if any.
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absURL
Returns an absolute URL.
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complement
Returns the elements of the last collection that are not in any of the others.
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crypto.FNV32a
Returns the FNV (Fowler–Noll–Vo) 32 bit hash of a given string.
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duration
Returns a
time.Duration
structure, using the given time unit and duration number.
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findRE
Returns a slice of strings that match the regular expression.
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relLangURL
Returns a relative URL with a language prefix, if any.
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relURL
Returns a relative URL.
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replaceRE
Returns a string, replacing all occurrences of a regular expression with a replacement pattern.
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safeHTMLAttr
Declares the provided string as a safe HTML attribute.
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strings.Contains
Reports whether a string contains a substring.
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strings.ContainsAny
Reports whether a string contains any character from a given string.
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strings.FirstUpper
Capitalizes the first character of a given string.
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time.ParseDuration
Parses a given duration string into a
time.Duration
structure.
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