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Diffstat (limited to 'tools/node_modules/eslint/node_modules/esquery/README.md')
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diff --git a/tools/node_modules/eslint/node_modules/esquery/README.md b/tools/node_modules/eslint/node_modules/esquery/README.md new file mode 100644 index 0000000000..a3ee33479d --- /dev/null +++ b/tools/node_modules/eslint/node_modules/esquery/README.md @@ -0,0 +1,26 @@ +ESQuery is a library for querying the AST output by Esprima for patterns of syntax using a CSS style selector system. Check out the demo: + +[demo](https://estools.github.io/esquery/) + +The following selectors are supported: +* AST node type: `ForStatement` +* [wildcard](http://dev.w3.org/csswg/selectors4/#universal-selector): `*` +* [attribute existence](http://dev.w3.org/csswg/selectors4/#attribute-selectors): `[attr]` +* [attribute value](http://dev.w3.org/csswg/selectors4/#attribute-selectors): `[attr="foo"]` or `[attr=123]` +* attribute regex: `[attr=/foo.*/]` +* attribute conditons: `[attr!="foo"]`, `[attr>2]`, `[attr<3]`, `[attr>=2]`, or `[attr<=3]` +* nested attribute: `[attr.level2="foo"]` +* field: `FunctionDeclaration > Identifier.id` +* [First](http://dev.w3.org/csswg/selectors4/#the-first-child-pseudo) or [last](http://dev.w3.org/csswg/selectors4/#the-last-child-pseudo) child: `:first-child` or `:last-child` +* [nth-child](http://dev.w3.org/csswg/selectors4/#the-nth-child-pseudo) (no ax+b support): `:nth-child(2)` +* [nth-last-child](http://dev.w3.org/csswg/selectors4/#the-nth-last-child-pseudo) (no ax+b support): `:nth-last-child(1)` +* [descendant](http://dev.w3.org/csswg/selectors4/#descendant-combinators): `ancestor descendant` +* [child](http://dev.w3.org/csswg/selectors4/#child-combinators): `parent > child` +* [following sibling](http://dev.w3.org/csswg/selectors4/#general-sibling-combinators): `node ~ sibling` +* [adjacent sibling](http://dev.w3.org/csswg/selectors4/#adjacent-sibling-combinators): `node + adjacent` +* [negation](http://dev.w3.org/csswg/selectors4/#negation-pseudo): `:not(ForStatement)` +* [matches-any](http://dev.w3.org/csswg/selectors4/#matches): `:matches([attr] > :first-child, :last-child)` +* [subject indicator](http://dev.w3.org/csswg/selectors4/#subject): `!IfStatement > [name="foo"]` +* class of AST node: `:statement`, `:expression`, `:declaration`, `:function`, or `:pattern` + +[![Build Status](https://travis-ci.org/estools/esquery.png?branch=master)](https://travis-ci.org/estools/esquery) |