perf(shared): reduce regexp match usage (#1315)

Author: Mister-Hope

packages/shared/src/utils/ensureEndingSlash.ts

@@ -2,4 +2,4 @@
  * Ensure a url string to have ending slash /
  */
 export const ensureEndingSlash = (str: string): string =>
-  /(\.html|\/)$/.test(str) ? str : str + '/'
+  str[str.length - 1] === '/' || str.endsWith('.html') ? str : `${str}/`

packages/shared/src/utils/ensureLeadingSlash.ts

@@ -2,4 +2,4 @@
  * Ensure a url string to have leading slash /
  */
 export const ensureLeadingSlash = (str: string): string =>
-  str.replace(/^\/?/, '/')
+  str[0] === '/' ? str : `/${str}`

packages/shared/src/utils/removeEndingSlash.ts

@@ -1,4 +1,5 @@
 /**
  * Remove ending slash / from a string
  */
-export const removeEndingSlash = (str: string): string => str.replace(/\/$/, '')
+export const removeEndingSlash = (str: string): string =>
+  str[str.length - 1] === '/' ? str.slice(0, -1) : str

packages/shared/src/utils/removeLeadingSlash.ts

@@ -2,4 +2,4 @@
  * Remove leading slash / from a string
  */
 export const removeLeadingSlash = (str: string): string =>
-  str.replace(/^\//, '')
+  str[0] === '/' ? str.slice(1) : str

packages/shared/src/utils/resolveRoutePathFromUrl.ts

@@ -1,6 +1,10 @@
-export const resolveRoutePathFromUrl = (url: string, base = '/'): string =>
-  url
+export const resolveRoutePathFromUrl = (url: string, base = '/'): string => {
+  const pathname = url
     // remove url origin
     .replace(/^(https?:)?\/\/[^/]*/, '')
-    // remove site base
-    .replace(new RegExp(`^${base}`), '/')
+
+  // remove site base
+  return pathname.startsWith(base)
+    ? `/${pathname.slice(base.length)}`
+    : pathname
+}