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helix/runtime/queries/ecma/injections.scm

101 lines
3.5 KiB
Scheme

; Parse the contents of tagged template literals using
; a language inferred from the tag.
(call_expression
function: [
(identifier) @injection.language
(member_expression
property: (property_identifier) @injection.language)
]
arguments: (template_string) @injection.content
(#any-of? @injection.language "html" "css" "json" "sql" "js" "ts" "bash"))
; Parse the contents of $ template literals as shell commands
(call_expression
function: [
(identifier) @_template_function_name
(member_expression
property: (property_identifier) @_template_function_name)
]
arguments: (template_string) @injection.content
(#eq? @_template_function_name "$")
(#set! injection.language "bash"))
; GraphQL detection generally matches the rules provided by the 'GraphQL: Syntax Highlighting'
; VSCode extension: https://github.com/graphql/graphiql/blob/8f25b38f4ab14dc99c046109f255fb283bccde52/packages/vscode-graphql-syntax/grammars/graphql.js.json
; Parse the contents of 'gql' and 'graphql' template literals and function calls
(
(call_expression
function: (identifier) @_template_function_name
arguments: [
; Tagged template literal: NAME``
(template_string (string_fragment) @injection.content)
(
arguments . [
; Function call containing a string literal: NAME('')
(string (string_fragment) @injection.content)
; Function call containing a template literal: NAME(``)
(template_string (string_fragment) @injection.content)
]
)
]
)
(#any-of? @_template_function_name "gql" "graphql")
(#set! injection.language "graphql")
)
; Parse the contents of strings and tagged template literals that begin with a GraphQL comment '#graphql'
(
[
(string (string_fragment) @injection.content)
(template_string (string_fragment) @injection.content)
]
(#match? @injection.content "^\\s*#graphql")
(#set! injection.language "graphql")
)
; Parse the contents of strings and tagged template literals with leading ECMAScript comments '/* GraphQL */'
(
((comment) @_ecma_comment [
(string (string_fragment) @injection.content)
(template_string (string_fragment) @injection.content)
])
(#eq? @_ecma_comment "/* GraphQL */")
(#set! injection.language "graphql")
)
; Parse regex syntax within regex literals
((regex_pattern) @injection.content
(#set! injection.language "regex"))
; Parse JSDoc annotations in multiline comments
((comment) @injection.content
(#set! injection.language "jsdoc")
(#match? @injection.content "^/\\*+"))
; Parse general tags in single line comments
((comment) @injection.content
(#set! injection.language "comment")
(#match? @injection.content "^//"))
; Match string literals passed to standard browser API methods that expects a
; css selector as argument.
; - https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelector
; - https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelectorAll
; - https://developer.mozilla.org/en-US/docs/Web/API/Element/closest
; - https://developer.mozilla.org/en-US/docs/Web/API/Element/matches
; e.g.
; `const el = document.querySelector("div.user-panel.main input[name='login']");`
(call_expression
function: (member_expression
object: (identifier) @_object
property: (property_identifier) @_property (#any-of? @_property "querySelector" "querySelectorAll" "closest" "matches"))
arguments: (arguments
(string (string_fragment) @injection.content))
(#set! injection.language "css"))