add component state, top-level await support (#26)

1 files changed, 15 insertions, 0 deletions

diff --git a/src/parser/utils/trim.ts b/src/parser/utils/trim.ts
new file mode 100644
index 000000000..406a8c97f
--- /dev/null
+++ b/src/parser/utils/trim.ts
@@ -0,0 +1,15 @@
+import { whitespace } from './patterns.js';
+
+export function trim_start(str: string) {
+  let i = 0;
+  while (whitespace.test(str[i])) i += 1;
+
+  return str.slice(i);
+}
+
+export function trim_end(str: string) {
+  let i = str.length;
+  while (whitespace.test(str[i - 1])) i -= 1;
+
+  return str.slice(0, i);
+}