Changelog

1.19.1 (2023-09-03)

• Minimum supported Rust version (MSRV) is now 1.63 due to transitive dependencies.
• Update crates.io metadata for the website

1.19.0 (2023-05-31)

• Revert change to glob path to not error if the path doesn't exist
• Allow macro definition in renderable template

1.18.1 (2023-03-15)

• Fix panic on invalid globs to Tera::new

1.18.0 (2023-03-08)

• Add abs filter
• Add indent filter
• Deprecate get_json_pointer in favour of dotted_pointer, a faster alternative
• Always canonicalize glob paths passed to Tera to workaround a globwalk bug
• Handle apostrophes in title case filter
• Some performance improvement

1.17.1 (2022-09-19)

• Make get_random use isize instead of i32 and bad error message
• Fix variables lookup when the evaluated key has a . or quotes
• Fix changed output of f64 from serde_json 1.0.85

1.17.0 (2022-08-14)

• Fix bug where operands in in operation were escaped before comparison
• Force chrono dep to be 0.4.20 minimum
• Better support for parenthesis in expression

1.16.0 (2022-06-10)

• Add a feature just for the urlencode builtin
• Fix bug in slice filter if start >= end
• Allow supplying a timezone to a timestamp for the date filter

1.15.0 (2021-11-03)

• Add default parameter to get filter
• Tera::extend now also copies over function
• Remove the new Context-local Tera function support, it was an accidental breaking change and will be added in v2 in some ways instead

1.14.0 (2021-11-01) - YANKED as it added a generic to Context, a breaking change

• Ensure Context stays valid in Sync+Send, fixing an issue introduced in 1.13. 1.113 will be yanked.

1.13.0 (2021-10-17) - YANKED as it made Context not Send+Sync

• Add default parameter to get filter
• Tera::extend now also copies over function
• Add Context-local Tera functions

1.12.1 (2021-07-13)

• Remove unused feature of chrono
• Remove unwanted bloat in crate from accidental WASM files

1.12.0 (2021-06-29)

• Add spaceless filter from Django

1.11.0 (2021-06-14)

• Allow iterating on strings with for

1.10.0 (2021-05-21)

• Add Tera::get_template_names

1.9.0 (2021-05-16)

• Add Context::remove

1.8.0 (2021-04-21)

• Add linebreaksbr filter from Django
• Allow dots in context object key names

1.7.1 (2021-04-12)

• Fix parsing of filter arguments separated by whitespaces

1.7.0 (2021-03-07)

• Allow rendering to std::io::Write
• Follow symlinks in glob
• Allow including lists of templates
• Comment tags can now use whitespace control

1.6.1 (2020-12-29)

• Fix date filter sometimes panicking with some format input

1.6.0 (2020-12-19)

• Allow multiline function kwargs with trailing comma
• Add Context::try_insert

1.5.0 (2020-08-10)

• Add the concept of safe functions and filters
• Allow negative index on slice filter

1.4.0 (2020-07-24)

• Add Context::get and Context::contains_key

1.3.1 (2020-06-09)

• Fix raw tag swallowing all whitespace at beginning and end
• Make batch template sources generic
• Automatically add function/test/filter function name to their error message

1.3.0 (2020-05-16)

• Add a urlencode_strict filter
• Add more array literals feature in templates
• Make filter filter value argument optional

1.2.0 (2020-03-29)

• Add trim_start, trim_end, trim_start_matches and trim_end_matches filters
• Allow blocks in filter sections

1.1.0 (2020-03-08)

• Add Tera::render_str, like Tera::one_off but can use an existing Tera instance

1.0.2 (2020-01-13)

• Length filter now errors for things other than array, objects and strings. The fact that it was returning 0 before for other types was something that should have been fixed before 1.0 but got forgotten and was considered a bug.

1.0.1 (2019-12-18)

• Fix filter sections not keeping whitespaces
• The filesizeformat filter now takes a usize instead of a i64: no changes to behaviour

1.0.0 (2019-12-07)

Breaking changes

• Now requires Rust 1.34
• Removed error-chain errors and added rich Error enum instead
• Filter, Tester and Function are now traits and now take borrowed values instead of owned
• Updated for 2018 edition
• Require macros import to be at the top of the files along with extends as it is fairly cheap and the code already only really look there.
• Enforce spacing in tags at the parser, before ifsomething was considered ok
• Pluralize filter now uses singular and plural arguments instead of suffix
• Add a test for checking whether a variable is an object
• Escaping now happens before inserting the final result of an expression: no need anymore to add | safe everywhere, only at the last position
• Remove safe argument of the urlencode filter, / is still escaped by default
• The compile_templates! macro has been removed

Others

• Tests can now use value is not defined order for negation (https://github.com/Keats/tera/issues/308)
• Add nth filter to get the nth value in an array
• You can now use glob patterns in Tera::new
• default filter now works on Null values
• Literal numbers in template overflowing i64/f64 will now be an error instead of panicking
• Allow arrays as test arguments
• Add the in operator to check if a left operand is contained in a right one. Also supports negation as not in
• Add Context::from_value to instantiate a Context from a serde_json Value
• Add Context::from_serialize to instantiate a Context from something that impl Serialize
• Make tests helper fns number_args_allowed, value_defined and extract_string public
• Add else clause to for loops
• Filters are now evaluated when checking if/elif conditions
• Allow {{- and -}} for whitespace management
• Add xml_escape filter
• Grave accent is no longer escaped in HTML, it is not really needed anymore
• Add a builtins default feature that gate all filters/functions requiring additional dependencies
• Add unique and map filter
• Add a timezone attribute to the date filter
• Add a get_random function to get a random number in a range
• Add a get_env function to get the value of an environment variable

0.11.20 (2018-11-14)

• Fix bugs in filter and get filters

0.11.19 (2018-10-31)

• Allow function calls in math expressions
• Allow string concatenation to start with a number
• Allow function calls in string concatenations
• Add a concat filter to concat arrays or push an element to an array

0.11.18 (2018-10-16)

• Allow concatenation of strings and numbers

0.11.17 (2018-10-09)

• Clear local context on each forloop iteration
• Fix variable lookup with . that was completely wrong
• Now requires Rust 1.26 because of some dependencies update

0.11.16 (2018-09-12)

• Fix set/set_global not working correctly in macros
• Deprecate register_global_function for register_function

0.11.15 (2018-09-09)

• Remove invalid unreachable! call causing panic in some combination or for loop and specific filters
• Fix macros loading in parent templates and using them in child ones
• Fix macros loading other macros not working when called in inheritance
• Mark Context::add as deprecated and do not display it in the docs anymore (aka TIL the deprecated attribute)
• Fix __tera_context not getting all the available context (set, forloop etc)
• Better error message when variable indexing fails

0.11.14 (2018-09-02)

• Remove stray println

0.11.13 (2018-09-02)

• Add as_str filter
• Way fewer allocations and significant speedup (2-5x) for templates with large objects/loops
• Checks that all macro files are accounted for at compile time and errors if it's not the case

0.11.12 (2018-08-04)

• filter filter was not properly registered (╯°□°）╯︵ ┻━┻

0.11.11 (2018-08-01)

• truncate filter now works correctly on multichar graphemes

0.11.10 (2018-08-01)

• Add a throw global function to fail rendering from inside a template

0.11.9 (2018-07-16)

• Add a matching tester
• Register now global function so it is available
• Update error-chain

0.11.8 (2018-06-20)

• Add True and False as boolean values to match Python
• Allow user to define their own escape function, if you want to generate JSON for example
• Add end argument to the truncate filter to override the default ellipsis
• Add a group_by filter
• Add a filter filter
• Add the ~ operator to concatenate strings
• Add a now global function to get local and UTC datetimes
• Add feature to enable the preserve_order feature of serde_json
• Less confusing behaviour with math arithmetics

0.11.7 (2018-04-24)

• Add array literal instantiation from inside Tera for set, set_global, kwargs and for loop container
• Fix panic on truncate filter

0.11.6 (2018-03-25)

• Add break and continue to forloops
• Fix strings delimited by single quote and backtick not removing the delimiters

0.11.5 (2018-03-01)

• Re-export serde_json::Number as well

0.11.4 (2018-02-28)

• Re-export serde_json::Map as well
• You can now access inside a variable using index notation: {{ arr[0] }}, {{ arr[idx] }} etc thanks to @bootandy
• Add Context::insert identical to Context::add to mirror Rust HashMap/BTreeMap syntax

0.11.3 (2018-02-15)

• Add a slice filter for arrays
• Fix macro files importing other macro files not loading properly
• Fix forloop container being allowed logic expressions
• Much improved parsing error messages

0.11.2 (2018-02-01)

• Fix regression when including templates that import macros
• Fix pluralize filter for real this time!

0.11.1 (2018-01-25)

• Fix regression with expressions in comparisons

0.11.0 (2018-01-22)

Breaking changes

• Tests parentheses are now mandatory if there are arguments (divisibleby 2 -> divisibleby(2))
• Tests can be only used on variables now, not on expressions
• Escaping happens immediately now instead of waiting for the filters to be called, unless safe is first. If you want the old behaviour you will need to start the a chain of filters with | safe as the first one

Others

• Tests, global functions calls and macro calls are now expressions and can be combined like so: if x is divisibleby(2) and x > 10
• Add default arguments for macro arguments
• Add whitespace management similar to Liquid and Jinja2
• Add parentheses to expressions to remove ambiguities
• Block & macro end tag name are no longer mandatory and it doesn't error on mismatched names between the start and end tag anymore
• Filters can now be applied to expressions
• Add modulo operator % for math expressions
• Allow comment tags before the extend tag
• Make NaiveDateTime work with the date filter
• pluralize filter now returns the plural suffix for 0 thing as it's apparently what English does
• Add a set_global tag that allows you to set something in the global context: meant to be used in forloops where the normal set would put the value into the loop context
• Add starting_with, ending_with and containing tests
• Add json_encode, default and sort filters
• Strings can now also be contained in backticks and single quotes in templates

0.10.10 (2017-08-24)

• Add Tera::parse for some niche use-cases

0.10.9 (2017-08-02)

• Handle path to templates starting with “./”
• Fix loop and macro context overlaps
• Fix variables being escaped when given to set or as arguments to filters/macros/global fns

0.10.8 (2017-06-24)

• Update chrono

0.10.7 (2017-06-16)

• Fix not being able to use variables starting with or, and and not
• Fix <= and >= not being recognised properly
• Fix if/elif conditions falling through: only the first valid one will be rendered
• Handle NaN results in {% set %} instead of panicking
• Allow math node on if/elif conditions & fix f64 truthiness

0.10.6 (2017-05-23)

• Fix not being able to call global functions without arguments
• Fix multiple inheritance not rendering blocks as expected for nested blocks
• Allow filters on key/value for loop containers

0.10.5 (2017-05-13)

• Fix bug with {% set %} in forloops

0.10.4 (2017-05-09)

• Add Send to GlobalFn return type

0.10.3 (2017-05-09)

• Add global functions, see README
• Add set tag, see README
• Add get filter

0.10.2 (2017-05-03)

• Fix bug with section filter swallowing all content after the end tag
• Allow whitespace in function args

0.10.1 (2017-04-25)

• Fix bug with variable in loop using starting with the container name (#165)
• Allow whitespace in macros/filters params

0.10.0 (2017-04-21)

Breaking changes

• Update Serde to 1.0.0

Others

• Fix date filter converting everything to UTC
• Fix panic when using filters on forloop container

0.9.0 (2017-04-05)

Breaking changes

• Fix bug in Windows where the glob path was not removed correctly

Others

• Tera::extend now also copy filters and testers

0.8.1 (2017-03-15)

• Macro rendering perf improved and general code cleanup thanks to @Peternator7
• Fix bug in parser with floats
• Make date filter work with string input in YYYY-MM-DD format
• Big parsing improvement (~20-40%) for projects with macros and inheritance
• Add Tera::extend to extend another instance of Tera
• Add Tera::full_reload that will re-run the glob and parse all templates found.
• Make Tera::add_raw_template{s} and Tera::add_template_file{s} part of the public API
• Fix location in error message when erroring in a child template

0.8.0 (2017-03-03)

Breaking changes

• Remove value_render and value_one_off, you can now use render and one_off for both values and context

Others

• Speed improvements on both parsing and rendering (~20-40% faster)
• Better error message on variable lookup failure in loops
• Can now iterate on maps/struct using the {% for key, val in my_object %} construct

0.7.2 (2017-02-18)

• Update chrono version
• Make variable block like {{ "hey" }} render correctly

0.7.1 (2017-02-05)

• Support filter sections
• Fix path prefix trimming on Windows

0.7.0 (2017-02-01)

Breaking changes

• Tera::add_template -> Tera::add_raw_template
• Tera::add_templates -> Tera::add_raw_templates

Others

• Performance improvement thanks to @clarcharr
• Better error message for value_render. Thanks to @SilverWingedSeraph for the report
• Hide add_raw_template and add_raw_templates from docs, they were meant for internal use
• Exported macros now use the $crate variable, which means you don't need to import anything from Tera to have them working
• Expose AST (not covered by semver)
• Add a Context::extend method to merge a context object into another one

0.6.2 (2017-01-08)

• Performance improvements thanks to @wdv4758h
• Correctly register date filter and make it work on a RFC3339 string as well thanks to @philwhineray

0.6.1 (2016-12-28)

• Added Tera::value_one_off to parse and render a single template using a Json value as context

0.6.0 (2016-12-26)

BREAKING CHANGES

• not is now a Tera keyword

Others

• Added #![deny(missing_docs)] to the crate
• Added Tera::one_off to parse and render a single template
• Added not operator in conditions to mean falsiness (equivalent to ! in Rust)
• Remove specific error message when using || or &&
• Improved performances for parsing and rendering (~5-20%)
• Added precision arg to round filter
• Added date filter to format a timestamp to a date(time) string

0.5.0 (2016-12-19)

A few breaking changes in this one

BREAKING CHANGES

• Tera no longer panics when parsing templates, it returns an error instead
• Tester fn signature changes from fn(&str, Option<Value>, Vec<Value>) -> Result<bool> to fn(Option<Value>, Vec<Value>) -> Result<bool>
• Rename TeraResult export to Result

Others

• Stabilized Tera::add_template and Tera::add_templates
• Added compile_templates! macro to try to compile all templates and, in case of errors, print them and exit the process
• Much improved error messages
• Add a magical variable __tera_context that will pretty print the current context
• More documentation inside the crate itself
• Actually register the filesizeformat, slugify, addslashes, good thing no one noticed
• Add divisibleby and iterable test
• Made try_get_value! macro work outside of Tera

0.4.1 (2016/12/07)

• Remove println! left behind
• Fix macros not being found in child templates
• Export Value and to_value (currently from serde-json)

0.4.0 (2016/12/02)

• Add macros
• Add filesizeformat filter
• Add autoescape
• Add multiple level inheritance
• Add nested blocks
• Add {{ super() }}

Thanks to @SergioBenitez and @yonran for the help!

0.3.1 (2016/10/11)

• Fix regression when using variables in forloops + add test for it

0.3.0 (2016/10/11)

• Change signature of tests functions (BREAKING CHANGE)
• Add more tests: undefined, odd, even, number and string
• Add include directive to include another file
• Indexed array/tuple access using the .x where x is an integer

Thanks to @SergioBenitez and @andrelmartins for the contributions!

0.2.0 (2016/09/27)

• Added filters, see README for current list
• Added tests, only defined for now

Thanks to @SergioBenitez, @orhanbalci, @foophoof and @Peternator7 for the contribution!

0.1.3 (2016/08/14)

• Completely new parser
• Expose TeraError