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5 | 5 | * SPDX-License-Identifier: MIT |
6 | 6 | */ |
7 | 7 | import react from "@vitejs/plugin-react"; |
| 8 | +import ejs from "ejs"; |
8 | 9 | import fs from "node:fs"; |
9 | 10 | import path from "node:path"; |
10 | | -import { UserConfig, defineConfig, loadEnv } from "vite"; |
11 | | -import { configDefaults } from "vitest/config"; |
| 11 | +import { |
| 12 | + IndexHtmlTransformContext, |
| 13 | + IndexHtmlTransformResult, |
| 14 | + Plugin, |
| 15 | + UserConfig, |
| 16 | + defineConfig, |
| 17 | + loadEnv, |
| 18 | +} from "vite"; |
12 | 19 | import svgr from "vite-plugin-svgr"; |
| 20 | +import { configDefaults } from "vitest/config"; |
| 21 | + |
| 22 | +interface TemplateStrings { |
| 23 | + appNameFull: string; |
| 24 | + ogDescription: undefined | string; |
| 25 | + metaDescription: undefined | string; |
| 26 | +} |
13 | 27 |
|
14 | 28 | // Support optionally pulling in external branding if the module is installed. |
15 | 29 | const theme = "@microbit-foundation/ml-trainer-microbit"; |
16 | 30 | const external = `node_modules/${theme}`; |
17 | 31 | const internal = "src/deployment/default"; |
| 32 | +const themePackageExternal = fs.existsSync(external); |
| 33 | +const themePackageAlias = themePackageExternal |
| 34 | + ? theme |
| 35 | + : path.resolve(__dirname, internal); |
| 36 | + |
| 37 | +const viteEjsPlugin = (data: ejs.Data): Plugin => { |
| 38 | + return { |
| 39 | + name: "ejs", |
| 40 | + transformIndexHtml: { |
| 41 | + order: "pre", |
| 42 | + handler: ( |
| 43 | + html: string, |
| 44 | + _ctx: IndexHtmlTransformContext |
| 45 | + ): IndexHtmlTransformResult => ejs.render(html, data), |
| 46 | + }, |
| 47 | + }; |
| 48 | +}; |
18 | 49 |
|
19 | | -export default defineConfig(({ mode }): UserConfig => { |
| 50 | +export default defineConfig(async ({ mode }): Promise<UserConfig> => { |
20 | 51 | const commonEnv = loadEnv(mode, process.cwd(), ""); |
21 | 52 |
|
| 53 | + const strings: TemplateStrings = themePackageExternal |
| 54 | + ? // eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-member-access |
| 55 | + ((await import(themePackageAlias)).default({}) as TemplateStrings) |
| 56 | + : { |
| 57 | + appNameFull: "ml-trainer", |
| 58 | + ogDescription: undefined, |
| 59 | + metaDescription: undefined, |
| 60 | + }; |
22 | 61 | return { |
23 | 62 | base: process.env.BASE_URL ?? "/", |
24 | | - plugins: [react(), svgr()], |
| 63 | + plugins: [viteEjsPlugin(strings), react(), svgr()], |
25 | 64 | define: { |
26 | 65 | "import.meta.env.VITE_APP_VERSION": JSON.stringify( |
27 | 66 | process.env.npm_package_version |
@@ -57,9 +96,7 @@ export default defineConfig(({ mode }): UserConfig => { |
57 | 96 | }, |
58 | 97 | resolve: { |
59 | 98 | alias: { |
60 | | - "theme-package": fs.existsSync(external) |
61 | | - ? theme |
62 | | - : path.resolve(__dirname, internal), |
| 99 | + "theme-package": themePackageAlias, |
63 | 100 | }, |
64 | 101 | }, |
65 | 102 | }; |
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