feat(gatsby-core-utils): add url resolve (#15510)

* rename gatsby-utils folder

* feat(gatsby-core-utils): add url resolve

* fix repo field

packages/gatsby-utils/index.d.ts → packages/gatsby-core-utils/index.d.ts

@@ -7,7 +7,7 @@
 export declare function createContentDigest(input: any): string
 
 /**
- * Joins all given path segments together using a forward slash (/) as a delimiter
+ * Joins all given path segments and converts
  * @param {string[]} paths A sequence of path segments
  */
 export declare function joinPath(...paths: string[]): string
@@ -19,3 +19,9 @@ export declare function joinPath(...paths: string[]): string
  * @return {number} Count of the requested type of CPU cores. Defaults to number of physical cores or 1
  */
 export declare function cpuCoreCount(ignoreEnvVar?: boolean): number
+
+/**
+ * Joins all given segments and converts using a forward slash (/) as a delimiter
+ * @param {string[]} segments A sequence of segments
+ */
+export declare function urlResolve(...segments: string[]): string

packages/gatsby-utils/package.json → packages/gatsby-core-utils/package.json

@@ -7,13 +7,13 @@
     "gatsby-core-utils"
   ],
   "author": "Ward Peeters <ward@coding-tech.com>",
-  "homepage": "https://github.com/gatsbyjs/gatsby/tree/master/packages/gatsby-utils#readme",
+  "homepage": "https://github.com/gatsbyjs/gatsby/tree/master/packages/gatsby-core-utils#readme",
   "license": "MIT",
   "main": "dist/index.js",
   "repository": {
     "type": "git",
     "url": "https://github.com/gatsbyjs/gatsby.git",
-    "directory": "packages/gatsby-utils"
+    "directory": "packages/gatsby-core-utils"
   },
   "scripts": {
     "build": "babel src --out-dir dist/ --ignore **/__tests__",

packages/gatsby-core-utils/src/__tests__/url.js

@@ -0,0 +1,11 @@
+const { resolve } = require(`../url`)
+
+describe(`url`, () => {
+  describe(`resolve`, () => {
+    it(`resolves segments into valid url pathname`, () => {
+      const paths = [`/`, ``, `./foo`, `bar`, `baz`]
+      const actual = resolve(...paths)
+      expect(actual).toBe(`/foo/bar/baz`)
+    })
+  })
+})

packages/gatsby-utils/src/index.js → packages/gatsby-core-utils/src/index.js

@@ -1,3 +1,4 @@
 exports.createContentDigest = require(`./create-content-digest`)
 exports.joinPath = require(`./path`).joinPath
 exports.cpuCoreCount = require(`./cpu-core-count`)
+exports.urlResolve = require(`./url`).resolve

packages/gatsby-utils/src/path.js → packages/gatsby-core-utils/src/path.js

@@ -8,7 +8,7 @@ export function joinPath(...paths) {
   const joinedPath = path.join(...paths)
   if (os.platform() === `win32`) {
     return joinedPath.replace(/\\/g, `\\\\`)
-  } else {
-    return joinedPath
   }
+
+  return joinedPath
 }

packages/gatsby-core-utils/src/url.js

@@ -0,0 +1,14 @@
+const path = require(`path`)
+const os = require(`os`)
+
+/**
+ * @type {import('../index').urlResolve}
+ */
+export function resolve(...segments) {
+  const joinedPath = path.join(...segments)
+  if (os.platform() === `win32`) {
+    return joinedPath.replace(/\\/g, `/`)
+  }
+
+  return joinedPath
+}