fix: automatic uniform / attribute name recognition broken with minified shader code

Author: jsulpis

lib/src/internal/findName.ts

@@ -1,18 +1,46 @@
 function findName(source: string | undefined, keyword: string, word: string) {
-  return source
-    ?.split("\n")
-    .find((line) => new RegExp(`^${keyword}.*${word};`, "i").test(line.trim()))
-    ?.match(/(\w+);/)?.[1];
+  const re = new RegExp(`\\b${keyword}\\b\\s+\\w+\\s+(\\w*${word}\\w*)\\b`, "i");
+  return source?.match(re)?.[1];
 }
 
+/**
+ * Finds the name of a uniform variable in a GLSL shader source string.
+ *
+ * This function searches for a declaration of a uniform variable that contains the specified `word`.
+ * It returns the full name of the uniform variable if found.
+ *
+ * @param source - The GLSL shader source code as a string, or `undefined`.
+ * @param word - The substring to look for within the uniform variable's name.
+ * @returns The name of the uniform variable, or `undefined` if not found.
+ */
 export function findUniformName(source: string | undefined, word: string) {
   return findName(source, "uniform", word);
 }
 
+/**
+ * Finds the name of a varying (or 'in' in GLSL 300 ES) variable in a GLSL shader source string.
+ *
+ * This function searches for a declaration of a varying or 'in' variable that contains the specified `word`.
+ * It returns the full name of the variable if found.
+ *
+ * @param source - The GLSL shader source code as a string, or `undefined`.
+ * @param word - The substring to look for within the varying/in variable's name.
+ * @returns The name of the varying/in variable, or `undefined` if not found.
+ */
 export function findVaryingName(source: string | undefined, word: string) {
   return findName(source, "varying", word) || findName(source, "in", word);
 }
 
+/**
+ * Finds the name of an attribute (or 'in' in GLSL 300 ES) variable in a GLSL shader source string.
+ *
+ * This function searches for a declaration of an attribute or 'in' variable that contains the specified `word`.
+ * It returns the full name of the variable if found.
+ *
+ * @param source - The GLSL shader source code as a string, or `undefined`.
+ * @param word - The substring to look for within the attribute/in variable's name.
+ * @returns The name of the attribute/in variable, or `undefined` if not found.
+ */
 export function findAttributeName(source: string | undefined, word: string) {
   return findName(source, "attribute", word) || findName(source, "in", word);
 }