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dinja 1.1.1
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Published 24 days ago •

leehack.com• Latest: 1.3.0

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A minimal, zero-dependency Jinja templating engine for Dart, ported from llama.cpp. Focused on security and efficiency.

1.1.1 #

Fixed tojson to match llama.cpp: json.dumps spacing ({"a": 1, "b": [1, 2]}), non-ASCII kept unless ensure_ascii=true, floats formatted as C++ %g with 6 significant digits (1.0 is 1, 3.14159265 is 3.14159), non-string keys converted to strings, and positional arguments read as (ensure_ascii, indent, separators, sort_keys). A negative or non-integer indent now gives one-line output, and one separator sets only the item separator.
Fixed printing a list, dict or tuple HTML-escaping its quotes: {{ [1, '1'] }} now prints [1, '1']. Input-marked items are still escaped.
Fixed -0.0 and numbers outside the 64-bit integer range passed to render becoming integers on the web; they are now floats, as on the VM. Other whole-number doubles are still integers on the web, where they are indistinguishable from int.
Changed list, dict and tuple string conversion to match llama.cpp: a string item containing ' is written in JSON form, as in ["it's"].

1.1.0 #

Added package:dinja/ast.dart for template analysis without importing src/: parseTemplate, which parses a template into a Program; the AST node types; and LexerException and ParserException. package:dinja/dinja.dart is unchanged.
Fixed string equality to compare content only: ''.strip() == '' is now true, and safe or input-marked strings equal plain ones.
Removed a debug print to stdout when a for loop iterates a function; the error now names the function.
Fixed tests with one unparenthesized argument, such as 1 is eq 1 and 'a' is in ['a'], which failed to parse. As in Jinja2, a value after a test without a comma is now its argument: [x is odd 1] means [x is odd(1)].
Fixed unique to compare items with Python equality: [1, '1'] keeps both, [1, 1.0, true] keeps one. It now ignores string case by default, as Jinja2 does.
Fixed a ParserException at the end of the template reporting position -1; it now reports the end of the template.
Fixed an incomplete expression at the end of the template, such as {{ 1 +, throwing RangeError instead of ParserException.
Fixed ParserException from Template on templates with \r\n or a trailing newline: its source, pos, line and col now all refer to the normalized text, as with parseTemplate.
Changed unique to follow Jinja2's signature, unique(case_sensitive=false, attribute=none): the first positional argument is now case_sensitive, not attribute. unique now also deduplicates the characters of a string and the keys of a dict.
Fixed input marking being dropped by ~, string repetition (*), replace, capitalize, title, string, indent and the last piece of split (first of rsplit), matching llama.cpp. Input-marked text from these is now escaped on output like {{ value }}. join still drops the marking, as in llama.cpp.
Fixed double escaping when an escaped block, such as a {% set %} block or macro output, is joined with + to plain text.

1.0.0 #

Initial release of Dinja.
Minimal Jinja2 implementation ported from llama.cpp.
Support for LLM chat templates.
Secure input marking system.
Fixed unused declaration in nodes.dart.
Fixed not in operator logic for Maps.
Fixed duplicate key in builtins.dart.
Added cross-compatibility generation script (script/generate_cross_test.py).

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A minimal, zero-dependency Jinja templating engine for Dart, ported from llama.cpp. Focused on security and efficiency.

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Topics

#jinja2 #template #llm #security #chat-templates

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