@beyond-js/bundles-sdk/processor/base/sources/extensions/hashes.js

BeyondJS Bundles SDK

const DynamicProcessor = require('@beyond-js/dynamic-processor')();
const equal = require('@beyond-js/equal');
const crc32 = require('@beyond-js/crc32');

module.exports = class extends DynamicProcessor {
	get dp() {
		return 'processor.sources.extensions.hashes';
	}

	// The root hashes of each extension
	#roots = new Map();
	get roots() {
		return this.#roots;
	}

	get synchronized() {
		const es = this.children.get('extensions.sources').child;
		const esh = es.children.get('extensions.hashes')?.child;
		if (!esh) return true;

		return [...esh].reduce(
			(prev, [processor, eh]) => prev && eh.synchronized && this.#roots.get(processor) === eh.root,
			true,
		);
	}

	constructor(extensions) {
		super();
		super.setup(new Map([['extensions.sources', { child: extensions }]]));
	}

	// The calculated hash of the extensions sources
	#sources;
	get sources() {
		if (this.#sources !== void 0) return this.#sources;

		// Extensions is a list of sources populated from the preprocessed sources of all extensions
		const extensions = this.children.get('extensions.sources').child;
		if (!extensions.size) return (this.#sources = 0);

		const compute = {};
		const esh = extensions.children.get('extensions.hashes').child;
		esh.forEach((eh, processor) => (compute[processor] = eh.sources));
		return (this.#sources = crc32(equal.generate(compute)));
	}

	_process() {
		this.#sources = void 0;
		this.#roots.clear();

		const es = this.children.get('extensions.sources').child;
		const esh = es.children.get('extensions.hashes')?.child;
		esh?.forEach((eh, processor) => this.#roots.set(processor, eh.root));
	}
};