@angular/cli
Version:
CLI tool for Angular
48 lines • 1.98 kB
JavaScript
;
// replace with the real thing when PR is merged
// https://github.com/angular/universal/pull/464
Object.defineProperty(exports, "__esModule", { value: true });
class PrerenderWebpackPlugin {
constructor(options) {
this.options = options;
// maintain your platform instance
this.bootloader = require(this.options.configPath).getBootloader();
}
apply(compiler) {
compiler.plugin('emit', (compilation, callback) => {
if (compilation.assets.hasOwnProperty(this.options.templatePath)) {
// we need to cache the template file to be able to re-serialize it
// even when it is not being emitted
this.cachedTemplate = compilation.assets[this.options.templatePath].source();
}
if (this.cachedTemplate) {
this.decacheAppFiles();
require(this.options.configPath).serialize(this.bootloader, this.cachedTemplate)
.then((html) => {
compilation.assets[this.options.templatePath] = {
source: () => html,
size: () => html.length
};
callback();
});
}
else {
callback();
}
});
}
decacheAppFiles() {
// delete all app files from cache, but keep libs
// this is needed so that the config file can reimport up to date
// versions of the app files
delete require.cache[this.options.configPath];
Object.keys(require.cache)
.filter(key => key.startsWith(this.options.appPath))
.forEach(function (key) {
// console.log('===', key);
delete require.cache[key];
});
}
}
exports.PrerenderWebpackPlugin = PrerenderWebpackPlugin;
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