File size: 2,108 Bytes
494c9e4 82b33f3 494c9e4 82b33f3 494c9e4 82b33f3 494c9e4 82b33f3 494c9e4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | /**
* 构建前扫描 `demos/gen_attribute/*.json`，写入 `ts/demos/genAttributeBundledDemoManifest.generated.ts`，供 bundle 内联 slug 列表。
* 并为该目录注册 contextDependencies，便于 watch 下增减 demo JSON 时触发重编。
*/
const path = require('path');
const fs = require('fs');
const REL_DIR = 'demos/gen_attribute';
const GENERATED_BASENAME = 'genAttributeBundledDemoManifest.generated.ts';
function collectSlugs(srcDir) {
if (!fs.existsSync(srcDir)) return [];
const files = fs.readdirSync(srcDir).filter((f) => f.endsWith('.json'));
const slugs = files
.map((f) => f.replace(/\.json$/i, ''))
.filter((s) => s.length > 0);
// UTF-16 码元序，与 locale 无关，避免不同构建机生成顺序不一致
slugs.sort((a, b) => (a < b ? -1 : a > b ? 1 : 0));
return slugs;
}
function writeGeneratedModule(srcDir, outPath) {
const slugs = collectSlugs(srcDir);
const content =
'/**\n' +
' * Generated by GenAttributeDemoManifestPlugin — do not edit.\n' +
' */\n' +
`export const GEN_ATTRIBUTE_BUNDLED_DEMO_SLUGS: readonly string[] = ${JSON.stringify(slugs)};\n`;
if (fs.existsSync(outPath) && fs.readFileSync(outPath, 'utf8') === content) return;
fs.mkdirSync(path.dirname(outPath), { recursive: true });
fs.writeFileSync(outPath, content, 'utf8');
}
class GenAttributeDemoManifestPlugin {
apply(compiler) {
const srcDir = path.join(__dirname, '..', REL_DIR);
const outPath = path.join(__dirname, '..', 'ts', 'demos', GENERATED_BASENAME);
compiler.hooks.beforeCompile.tapAsync('GenAttributeDemoManifestPlugin', (_params, callback) => {
try {
writeGeneratedModule(srcDir, outPath);
callback();
} catch (e) {
callback(e);
}
});
compiler.hooks.thisCompilation.tap('GenAttributeDemoManifestPlugin', (compilation) => {
compilation.contextDependencies.add(srcDir);
});
}
}
module.exports = { GenAttributeDemoManifestPlugin };
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