handlebars-core-helpers

Useful helpers for Handlebars templates

Included helpers

• Logic helpers:

  • {{ eq value1 value2 [...valueN] }} – Return true if all arguments are strictly equal to each other, otherwise return false
  • {{ not-eq value1 value2 [...valueN] }} – Return true if all arguments are not strictly equal to each other, otherwise return false
  • {{ not value }} – Return true if value is empty, otherwise return false
  • {{ and value1 value2 [...valueN] }} – Return true if all arguments are not empty, otherwise return false
  • {{ or value1 value2 [...valueN] }} – Return true if at least one argument is not empty, otherwise return false
  • {{ gt value1 value2 }} – Return true if value1 > value2, otherwise return false
  • {{ gte value1 value2 }} – Return true if value1 >= value2, otherwise return false
  • {{ lt value1 value2 }} – Return true if value1 < value2, otherwise return false
  • {{ lte value1 value2 }} – Return true if value1 <= value2, otherwise return false

• Datatype helpers:

  • {{ is-undefined value }} – Return true if value is undefined, otherwise return false
  • {{ is-null value }} – Return true if value is null, otherwise return false
  • {{ is-boolean value }} – Return true if value is a boolean, otherwise return false
  • {{ is-number value }} – Return true if value is a number, otherwise return false
  • {{ is-string value }} – Return true if value is a string, otherwise return false
  • {{ is-object value }} – Return true if value is a non-null object, otherwise return false
  • {{ is-symbol value }} – Return true if value is an ES6 Symbol, otherwise return false
  • {{ is-function value }} – Return true if value is a function, otherwise return false
  • {{ is-array value }} – Return true if value is an array, otherwise return false
  • {{ is-date value }} – Return true if value is a Date object, otherwise return false
  • {{ is-regexp value }} – Return true if value is a RegExp object, otherwise return false
  • {{ is-numeric value }} – Return true if value can be coerced to a number, otherwise return false

• String helpers:

  • {{ concat value1 value2 [...valueN] separator=[separator=''] }} – Return a concatenated string consisting of all arguments joined together by separator
  • {{ replace source pattern replacement }} – Replace first occurence of pattern in source with replacement
  • {{ starts-with haystack needle }} – Return true if haystack starts with needle, otherwise return false
  • {{ escape-newlines value }} – Replace \n and \r characters in value with &#10 and &#13 HTML entities (useful to preserve formatting in white-space: pre elements)
  • {{ nl2br value }} – Replace newline characters in value with <br/> HTML tags
  • {{ wrap value left right }} – Return an HTML-safe string consisting of an HTML-escaped value wrapped between unescaped left and right HTML segments
  • {{ safe value }} – Return an HTML-safe string representation of value

• Date helpers:

  • {{ timestamp date }} – Return the UNIX timestamp corresponding to date, e.g. 1262304000
  • {{ date date }} – [deprecated] Return a short date label corresponding to date, e.g. "Mon 1 Jan 1970" (uses UTC time).

• Serialization helpers:

  • {{ json value {[indent=undefined]} }} – Return a JSON-encoded string representation of value
  • {{ parse-json value }} – Return the object that results from parsing the value JSON string
  • {{ urlencode value }} – Return a URL-encoded representation of value
  • {{ urldecode value }} – Return a version of value with URL entities decoded