From 76cb9c2a39d477a64824a985ade40507e3bbade1 Mon Sep 17 00:00:00 2001 From: Adam Mathes Date: Fri, 13 Feb 2026 21:34:48 -0800 Subject: feat(vanilla): add testing infrastructure and tests (NK-wjnczv) --- .../css-tree/lib/syntax/atrule/container.js | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 vanilla/node_modules/css-tree/lib/syntax/atrule/container.js (limited to 'vanilla/node_modules/css-tree/lib/syntax/atrule/container.js') diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/container.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/container.js new file mode 100644 index 0000000..aa550de --- /dev/null +++ b/vanilla/node_modules/css-tree/lib/syntax/atrule/container.js @@ -0,0 +1,28 @@ +import { Ident } from '../../tokenizer/index.js'; + +// https://drafts.csswg.org/css-contain-3/#container-rule +// The keywords `none`, `and`, `not`, and `or` are excluded from the above. +const nonContainerNameKeywords = new Set(['none', 'and', 'not', 'or']); + +export default { + parse: { + prelude() { + const children = this.createList(); + + if (this.tokenType === Ident) { + const name = this.substring(this.tokenStart, this.tokenEnd); + + if (!nonContainerNameKeywords.has(name.toLowerCase())) { + children.push(this.Identifier()); + } + } + + children.push(this.Condition('container')); + + return children; + }, + block(nested = false) { + return this.Block(nested); + } + } +}; -- cgit v1.2.3