feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 102 insertions, 0 deletions

diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/MediaQuery.js b/vanilla/node_modules/css-tree/lib/syntax/node/MediaQuery.js
new file mode 100644
index 0000000..f569c75
--- /dev/null
+++ b/vanilla/node_modules/css-tree/lib/syntax/node/MediaQuery.js
@@ -0,0 +1,102 @@
+import {
+    Comma,
+    EOF,
+    Ident,
+    LeftCurlyBracket,
+    LeftParenthesis,
+    Function as FunctionToken,
+    Semicolon
+} from '../../tokenizer/index.js';
+
+export const name = 'MediaQuery';
+export const structure = {
+    modifier: [String, null],
+    mediaType: [String, null],
+    condition: ['Condition', null]
+};
+
+export function parse() {
+    const start = this.tokenStart;
+    let modifier = null;
+    let mediaType = null;
+    let condition = null;
+
+    this.skipSC();
+
+    if (this.tokenType === Ident && this.lookupTypeNonSC(1) !== LeftParenthesis) {
+        // [ not | only ]? <media-type>
+        const ident = this.consume(Ident);
+        const identLowerCase = ident.toLowerCase();
+
+        if (identLowerCase === 'not' || identLowerCase === 'only') {
+            this.skipSC();
+            modifier = identLowerCase;
+            mediaType = this.consume(Ident);
+        } else {
+            mediaType = ident;
+        }
+
+        switch (this.lookupTypeNonSC(0)) {
+            case Ident: {
+                // and <media-condition-without-or>
+                this.skipSC();
+                this.eatIdent('and');
+                condition = this.Condition('media');
+                break;
+            }
+
+            case LeftCurlyBracket:
+            case Semicolon:
+            case Comma:
+            case EOF:
+                break;
+
+            default:
+                this.error('Identifier or parenthesis is expected');
+        }
+    } else {
+        switch (this.tokenType) {
+            case Ident:
+            case LeftParenthesis:
+            case FunctionToken: {
+                // <media-condition>
+                condition = this.Condition('media');
+                break;
+            }
+
+            case LeftCurlyBracket:
+            case Semicolon:
+            case EOF:
+                break;
+
+            default:
+                this.error('Identifier or parenthesis is expected');
+        }
+    }
+
+    return {
+        type: 'MediaQuery',
+        loc: this.getLocation(start, this.tokenStart),
+        modifier,
+        mediaType,
+        condition
+    };
+}
+
+export function generate(node) {
+    if (node.mediaType) {
+        if (node.modifier) {
+            this.token(Ident, node.modifier);
+        }
+
+        this.token(Ident, node.mediaType);
+
+        if (node.condition) {
+            this.token(Ident, 'and');
+            this.node(node.condition);
+        }
+    } else if (node.condition) {
+        this.node(node.condition);
+    }
+}
+