adding unique template naming and resolution for partials

Author: chrisdothtml

package.json

@@ -19,7 +19,11 @@
   "peerDependencies": {
     "dustjs-linkedin": "^2.7.5"
   },
+  "dependencies": {
+    "md5": "^2.2.1"
+  },
   "devDependencies": {
+    "dustjs-linkedin": "^2.7.5",
     "rollup": "^0.41.6",
     "rollup-watch": "^3.2.2"
   }

rollup.config.js

@@ -4,6 +4,7 @@ export default {
   format: 'cjs',
   external: [
     'dustjs-linkedin',
+    'md5',
     'path'
   ]
 }

src/index.js

@@ -1,17 +1,59 @@
+import md5 from 'md5'
 import { compile } from 'dustjs-linkedin'
-import { extname } from 'path'
+import { basename, dirname, extname, resolve } from 'path'
 
+const { floor, random } = Math
+const token = floor(random() * 10000000)
+
+function getFullPath (from, to) {
+  return resolve(dirname(from), to)
+}
+
+function generateName (path) {
+  const name = basename(path, '.dust')
+  const hash = md5(token + path)
+
+  return `${name}-${hash}`
+}
+
+function resolvePartials (source, parentPath) {
+  const partials = []
+  const partialRegex = /\{>\s*"([^"]+)" *\/\}/g
+  const newSource = source.replace(partialRegex, (tag, relPath) => {
+    if (extname(relPath) === '.dust') {
+      const fullPath = getFullPath(parentPath, relPath)
+      const name = generateName(fullPath)
+
+      partials.push(relPath)
+      return tag.replace(relPath, name)
+    } else {
+      return tag
+    }
+  })
+
+  return {
+    newSource,
+    partials
+  }
+}
+
+// TODO: options
 export default function dustjs () {
   return {
     name: 'dustjs',
     transform (source, path) {
       if (extname(path) === '.dust') {
-        const template = compile(source)
+        const { newSource, partials } = resolvePartials(source, path)
+        const name = generateName(path)
+        const template = compile(newSource, name)
+        let compiled = `import dust from 'dustjs-linkedin'\n`
+
+        partials.forEach(relPath => {
+          compiled += `import '${relPath}'\n`
+        })
 
-        return `
-        import dust from 'dustjs-linkedin'
-        export default ${template}
-        `
+        compiled += `export default ${template}`
+        return compiled
       }
     }
   }

yarn.lock

@@ -130,6 +130,10 @@ caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
 
+charenc@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
+
 chokidar@~1.5.1:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.5.2.tgz#293e728640cc93dd8277424334b3c6d4ad3a348a"
@@ -178,6 +182,10 @@ core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
+crypt@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/crypt/-/crypt-0.0.2.tgz#88d7ff7ec0dfb86f713dc87bbb42d044d3e6c41b"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -419,7 +427,7 @@ is-binary-path@^1.0.0:
   dependencies:
     binary-extensions "^1.0.0"
 
-is-buffer@^1.0.2:
+is-buffer@^1.0.2, is-buffer@~1.1.1:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.5.tgz#1f3b26ef613b214b88cbca23cc6c01d87961eecc"
 
@@ -528,6 +536,14 @@ kind-of@^3.0.2:
   dependencies:
     is-buffer "^1.0.2"
 
+md5@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/md5/-/md5-2.2.1.tgz#53ab38d5fe3c8891ba465329ea23fac0540126f9"
+  dependencies:
+    charenc "~0.0.1"
+    crypt "~0.0.1"
+    is-buffer "~1.1.1"
+
 micromatch@^2.1.5:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"