feat(vue-jsx): add filter

Author: sapphi-red

packages/plugin-vue-jsx/src/filterUtils.ts

@@ -0,0 +1,23 @@
+export function exactRegex(input: string): RegExp {
+  return new RegExp(`^${escapeRegex(input)}$`)
+}
+
+const escapeRegexRE = /[-/\\^$*+?.()|[\]{}]/g
+function escapeRegex(str: string): string {
+  return str.replace(escapeRegexRE, '\\$&')
+}
+
+export function matchWithQuery(input: string | RegExp): string | RegExp {
+  if (typeof input === 'string') {
+    return `${input}{?*,}`
+  }
+  return addQueryToRegex(input)
+}
+
+function addQueryToRegex(input: RegExp) {
+  return new RegExp(
+    // replace `$` with `(?:\?.*)?$` (ignore `\$`)
+    input.source.replace(/(?<!\\)\$/g, '(?:\\?.*)?$'),
+    input.flags,
+  )
+}