main repo

node_modules/three/examples/jsm/transpiler/TranspilerUtils.js

@@ -0,0 +1,29 @@
+export function isExpression( st ) {
+
+	return st.isFunctionDeclaration !== true && st.isFor !== true && st.isWhile !== true && st.isConditional !== true && st.isSwitch !== true;
+
+}
+
+export function isPrimitive( value ) {
+
+	return /^(true|false|-?(\d|\.\d))/.test( value );
+
+}
+
+export function isType( str ) {
+
+	return /void|bool|float|u?int|mat[234]|mat[234]x[234]|(u|i|b)?vec[234]/.test( str );
+
+}
+
+export function toFloatType( type ) {
+
+	if ( /^(i?int)$/.test( type ) ) return 'float';
+
+	const vecMatch = /^(i|u)?vec([234])$/.exec( type );
+
+	if ( vecMatch ) return 'vec' + vecMatch[ 2 ];
+
+	return type;
+
+}