release: WRNexusJS 0.2.77

editors/vscode/src/compiler.cjs

@@ -173,6 +173,71 @@ class Lexer {
       v += src[this.pos++];
     return v.trim();
   }
+  readPropInitializer() {
+    const { src } = this;
+    let value = "";
+    let square = 0;
+    let brace = 0;
+    let paren = 0;
+    let quote = null;
+    const beginsPropDeclaration = (position) => {
+      let cursor = position;
+      while (cursor < src.length && (src[cursor] === " " || src[cursor] === "\t"))
+        cursor++;
+      if (!isIdentStart(src[cursor] ?? ""))
+        return false;
+      cursor++;
+      while (cursor < src.length && isIdentPart(src[cursor]))
+        cursor++;
+      while (cursor < src.length && (src[cursor] === " " || src[cursor] === "\t"))
+        cursor++;
+      return src[cursor] === "=" || src[cursor] === ":";
+    };
+    while (this.pos < src.length) {
+      const c = src[this.pos];
+      if (quote) {
+        value += c;
+        this.pos++;
+        if (c === "\\" && this.pos < src.length)
+          value += src[this.pos++];
+        else if (c === quote)
+          quote = null;
+        continue;
+      }
+      if (c === '"' || c === "'" || c === "`") {
+        quote = c;
+        value += c;
+        this.pos++;
+        continue;
+      }
+      if (c === "[")
+        square++;
+      else if (c === "]" && square > 0)
+        square--;
+      else if (c === "{")
+        brace++;
+      else if (c === "}" && brace > 0)
+        brace--;
+      else if (c === "(")
+        paren++;
+      else if (c === ")" && paren > 0)
+        paren--;
+      const topLevel = square === 0 && brace === 0 && paren === 0;
+      if (topLevel) {
+        if (c === `
+` || c === "\r" || c === "}")
+          break;
+        if ((c === " " || c === "\t") && beginsPropDeclaration(this.pos))
+          break;
+      }
+      value += c;
+      this.pos++;
+    }
+    const result = value.trim();
+    if (!result)
+      throw new LexError(`Expected a prop initializer at offset ${this.pos}`);
+    return result;
+  }
   readTypeAnnotation() {
     const { src } = this;
     let value = "";
@@ -471,7 +536,7 @@ function parse(source) {
               expect("eq");
               hasDefault = true;
             }
-            const defaultValue = hasDefault ? lx.readToLineEnd() : "undefined";
+            const defaultValue = hasDefault ? lx.readPropInitializer() : "undefined";
             props.push({ name: pName, valueType, required: !hasDefault, default: defaultValue });
           }
           expect("rbrace");