From a227ab4323772b2cd1412680a3546ed06cea4626 Mon Sep 17 00:00:00 2001
From: Louis Capitanchik <contact@louiscap.co>
Date: Mon, 22 Jan 2018 00:05:58 +0000
Subject: [PATCH] Initial Implementation
---
.eslintrc.json | 5 ++-
index.js | 90 +++++++++++++++++++++++++++++++++++++++++++++--
package-lock.json | 21 +++++++----
package.json | 6 +++-
4 files changed, 112 insertions(+), 10 deletions(-)
diff --git a/.eslintrc.json b/.eslintrc.json
index e2dc1f6..c6f6bd6 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,3 +1,6 @@
{
- "extends": "@bark"
+ "extends": "@bark",
+ "parserOptions": {
+ "ecmaVersion": 8
+ }
}
\ No newline at end of file
diff --git a/index.js b/index.js
index a0bffd9..930c038 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,89 @@
-module.exports = function createMustacheMiddleware(viewDir) {
-
+const path = require('path')
+const fs = require('fs-jetpack')
+const Mustache = require('mustache')
+
+function createPathsFromContext(context = '', filename) {
+ const { name } = path.parse(filename)
+ return [
+ path.join(context, filename),
+ path.join(context, name),
+ ]
+}
+
+function createFileMap(dir, root, ext, debug) {
+ const cache = {}
+ const tree = dir.inspectTree(root)
+ if (tree.type !== 'dir') {
+ throw new TypeError(`[koa-mustache] viewDir must be an actual directory, found ${ tree.type }`)
+ }
+
+ const processing = tree.children
+ while (processing.length > 0) {
+ const current = processing.shift()
+
+ if (current.type === 'dir') {
+ for (const child of current.children) {
+ child.context = current.context ? path.join(current.context, current.name) : current.name
+ processing.push(child)
+ }
+ } else if (current.type === 'file') {
+ if (path.extname(current.name) === ext) {
+ const [pathWithExt, pathWithoutExt] = createPathsFromContext(current.context, current.name)
+ const content = dir.read(dir.path(root, pathWithExt), 'utf8')
+
+ debug(`[koa-mustache] Loading file ${ pathWithExt }`)
+
+ Mustache.parse(content)
+ cache[pathWithExt] = content
+ cache[pathWithoutExt] = content
+ }
+ }
+ }
+ return cache
+}
+
+module.exports = function createMustacheMiddleware(viewDir, opts = {}) {
+ const useCache = opts.hasOwnProperty('cache') ? opts.cache : process.env.NODE_ENV === 'production'
+ const extension = opts.hasOwnProperty('extension') ? opts.extension : '.mustache'
+ const partialDir = opts.hasOwnProperty('partials') ? opts.partials : 'partials'
+ const debug = opts.debug || (() => {}) // eslint-disable-line no-empty-function
+
+ const viewRoot = fs.cwd(viewDir)
+
+ const cache = useCache ? createFileMap(viewRoot, '.', extension, debug) : {}
+ const partials = createFileMap(viewRoot, partialDir, extension, debug)
+
+ return function attachRenderFunc(ctx, next) {
+ ctx.render = async function renderTemplateData(template, data = {}) {
+ if (useCache) {
+ const templateContent = cache[template]
+ if (templateContent == null) {
+ this.status = 404
+ } else {
+ this.status = 200
+ this.body = Mustache.render(templateContent, data, partials)
+ }
+ } else {
+ let fileData = await viewRoot.inspectAsync(template)
+ if (fileData == null) {
+ template += extension
+ fileData = await viewRoot.inspectAsync(template)
+ if (fileData == null) {
+ this.status = 404
+ return
+ }
+ }
+
+ if (fileData.type === 'file') {
+ const contents = await viewRoot.readAsync(template, 'utf8')
+ this.status = 200
+ this.body = Mustache.render(contents, data, partials)
+ } else {
+ this.status = 500
+ }
+ }
+ }.bind(ctx)
+
+ return next()
+ }
}
diff --git a/package-lock.json b/package-lock.json
index 2b5f952..2e0f916 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -137,14 +137,12 @@
"balanced-match": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
- "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
- "dev": true
+ "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
},
"brace-expansion": {
"version": "1.1.8",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz",
"integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
- "dev": true,
"requires": {
"balanced-match": "1.0.0",
"concat-map": "0.0.1"
@@ -247,8 +245,7 @@
"concat-map": {
"version": "0.0.1",
"resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
- "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
- "dev": true
+ "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
},
"concat-stream": {
"version": "1.6.0",
@@ -491,6 +488,14 @@
"write": "0.2.1"
}
},
+ "fs-jetpack": {
+ "version": "1.2.0",
+ "resolved": "https://registry.npmjs.org/fs-jetpack/-/fs-jetpack-1.2.0.tgz",
+ "integrity": "sha512-wEncEDStClGlHrQvqClINppjLdjQMcy3UFhu4DKrbTCIQHmiC+7r3nNvnc+3aiHxHaPfWXdA8UdCHNHGLJKciA==",
+ "requires": {
+ "minimatch": "3.0.4"
+ }
+ },
"fs.realpath": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -732,7 +737,6 @@
"version": "3.0.4",
"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
"integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
- "dev": true,
"requires": {
"brace-expansion": "1.1.8"
}
@@ -758,6 +762,11 @@
"integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
"dev": true
},
+ "mustache": {
+ "version": "2.3.0",
+ "resolved": "https://registry.npmjs.org/mustache/-/mustache-2.3.0.tgz",
+ "integrity": "sha1-QCj3d4sXcIpImTCm5SrDvKDaQdA="
+ },
"mute-stream": {
"version": "0.0.7",
"resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.7.tgz",
diff --git a/package.json b/package.json
index ed88a18..10de461 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
{
"name": "@commander-lol/koa-mustache",
- "version": "1.0.0",
+ "version": "1.0.1-beta1",
"description": "Mustache rendering for Koa 2+",
"main": "index.js",
"scripts": {
@@ -18,5 +18,9 @@
"devDependencies": {
"@bark/eslint-config": "^0.1.2",
"eslint": "^4.16.0"
+ },
+ "dependencies": {
+ "fs-jetpack": "^1.2.0",
+ "mustache": "^2.3.0"
}
}
--
GitLab