36 lines
1.2 KiB
TypeScript
36 lines
1.2 KiB
TypeScript
import config from "config";
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import nunjucks, {Environment} from "nunjucks";
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import ViewEngine from "./ViewEngine.js";
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export default class NunjucksViewEngine extends ViewEngine {
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private readonly environment: Environment;
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public constructor(targetDir: string, ...additionalViewPaths: string[]) {
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super(targetDir, 'views', 'njk', false, ...additionalViewPaths);
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const opts = {
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autoescape: true,
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noCache: !config.get('view.cache'),
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throwOnUndefined: true,
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};
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this.environment = new nunjucks.Environment([
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...this.assetPaths.map(path => new nunjucks.FileSystemLoader(path, opts)),
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], opts);
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}
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public async preCompile(): Promise<void> {
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// Nunjucks doesn't need preCompilation or compilation
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}
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public async render(file: string, locals: Record<string, unknown>): Promise<string> {
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return await new Promise<string>((resolve, reject) => {
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this.environment.render(file, locals, (err, res) => {
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if (err) return reject(err);
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else if (res === null) reject('Null response from nunjucks environment.render()');
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else return resolve(res);
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});
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});
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}
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}
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