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cspell-grammar
Advanced tools
cspell-grammar
CSpell Grammar is used to generate a parser. The Parser is used to add context / scope to parts of a document, making it easier to define the parts to spell spell checked.
This is to address the issues and limitations related to ignoreRegExpList
and includeRegExpList
.
The parser is use to add scope
to sections of a document. The scope
can then be used to apply spell checking rules.
Example: Only check comments and strings
rules:
'*': false
comment: true
string: true
It can be even more powerful like controlling the language settings based upon scope.
rules:
comment:
language: en
string:
language: en,fr
dictionaries: ['marketing-terms'],
caseSensitive: true
string.javascript:
caseSensitive: false
Rules are applied in the order they match the scope of the text.
When checking JavaScript files with the above example rules:
en,fr
marketing-terms
dictionary will be enabledcaseSensitive
will be true
en
caseSensitive
will be false
At its core, cspell-grammar
uses a simplified form of the TextMate grammar.
Why use a grammar parser? Couldn't a colorizer / highlighter or a language AST be used? At one level, needs of the spell checker are simpler and different from colorizers or language AST parsers. The goal of a spell checker is to spell check relevant text. The spell check does not need to care about the syntactical correctness of a document or presentation.
The goal of a grammar parser for the spell checker is to allow the user to decide:
Note: CSpell is a pure JavaScript application, so including the Oniguruma is not an option.
Consider the following bit of LaTeX:
k\"{o}nnen
können
For the spell checker to work correctly, the \"{o}
should be transformed into ö
before it is checked against the German dictionary.
This creates a few challenges.
Possible options:
FAQs
Grammar parsing support for cspell
The npm package cspell-grammar receives a total of 480,474 weekly downloads. As such, cspell-grammar popularity was classified as popular.
We found that cspell-grammar demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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