Pass mode into snowpack runtime (#99)

* Pass the `mode` through to snowpack

This allows the production packages to be prepared.

* Use snowpack 3.3.1

* Update path to prism loadComponents external ref

* Upgrade to snowpack 3.3.2

components/Prism.astro

@@ -1,7 +1,7 @@
 ---
 import Prism from 'prismjs';
 import { addAstro } from '../astro-prism/index.mjs';
-import * as loadLanguages from 'prismjs/components/';
+import * as loadLanguages from 'prismjs/components/index.js';
 
 export let lang;
 export let code;

package.json

@@ -68,7 +68,7 @@
     "rollup": "^2.43.1",
     "rollup-plugin-terser": "^7.0.2",
     "sass": "^1.32.8",
-    "snowpack": "^3.2.2",
+    "snowpack": "^3.3.2",
     "svelte": "^3.35.0",
     "tiny-glob": "^0.2.8",
     "unified": "^9.2.1",

src/parser/parse/read/expression.ts

@@ -243,7 +243,6 @@ export const parse_expression_at = (source: string, index: number): Expression =
 // @ts-ignore
 export default function read_expression(parser: Parser) {
   try {
-    debugger;
     const expression = parse_expression_at(parser.template, parser.index);
     parser.index = expression.end;
     return expression;

src/runtime.ts

@@ -230,7 +230,7 @@ interface RuntimeOptions {
 }
 
 /** Create a new Snowpack instance to power Astro */
-async function createSnowpack(astroConfig: AstroConfig, env: Record<string, any>) {
+async function createSnowpack(astroConfig: AstroConfig, env: Record<string, any>, mode: RuntimeMode) {
   const { projectRoot, astroRoot, extensions } = astroConfig;
 
   const internalPath = new URL('./frontend/', import.meta.url);
@@ -258,6 +258,7 @@ async function createSnowpack(astroConfig: AstroConfig, env: Record<string, any>
   const snowpackConfig = await loadConfiguration({
     root: fileURLToPath(projectRoot),
     mount: mountOptions,
+    mode: mode,
     plugins: [
       [fileURLToPath(new URL('../snowpack-plugin.cjs', import.meta.url)), astroPlugOptions],
       require.resolve('@snowpack/plugin-sass'),
@@ -274,7 +275,7 @@ async function createSnowpack(astroConfig: AstroConfig, env: Record<string, any>
     },
     packageOptions: {
       knownEntrypoints: ['preact-render-to-string'],
-      external: ['@vue/server-renderer', 'node-fetch', 'prismjs/components/'],
+      external: ['@vue/server-renderer', 'node-fetch', 'prismjs/components/index.js'],
     },
   });
 
@@ -294,11 +295,11 @@ async function createSnowpack(astroConfig: AstroConfig, env: Record<string, any>
 export async function createRuntime(astroConfig: AstroConfig, { mode, logging }: RuntimeOptions): Promise<AstroRuntime> {
   const { snowpack: backendSnowpack, snowpackRuntime: backendSnowpackRuntime, snowpackConfig: backendSnowpackConfig } = await createSnowpack(astroConfig, {
     astro: true,
-  });
+  }, mode);
 
   const { snowpack: frontendSnowpack, snowpackRuntime: frontendSnowpackRuntime, snowpackConfig: frontendSnowpackConfig } = await createSnowpack(astroConfig, {
     astro: false,
-  });
+  }, mode);
 
   const runtimeConfig: RuntimeConfig = {
     astroConfig,

test/snowpack-integration.test.js

@@ -5,7 +5,6 @@ import { createRuntime } from '../lib/runtime.js';
 import { loadConfig } from '../lib/config.js';
 import { promises as fsPromises } from 'fs';
 import { relative as pathRelative } from 'path';
-import { doc } from './test-utils.js';
 
 const { readdir, stat } = fsPromises;