Method createModuleHashes

lib/Compilation.js:4715–4771

()

	}

	createModuleHashes() {
		let statModulesHashed = 0;
		let statModulesFromCache = 0;
		const { chunkGraph, runtimeTemplate, moduleMemCaches2 } = this;
		const { hashFunction, hashDigest, hashDigestLength } = this.outputOptions;
		/** @type {WebpackError[]} */
		const errors = [];
		for (const module of this.modules) {
			const memCache = moduleMemCaches2 && moduleMemCaches2.get(module);
			for (const runtime of chunkGraph.getModuleRuntimes(module)) {
				if (memCache) {
					const digest =
						/** @type {string} */
						(memCache.get(`moduleHash-${getRuntimeKey(runtime)}`));
					if (digest !== undefined) {
						chunkGraph.setModuleHashes(
							module,
							runtime,
							digest,
							digest.slice(0, hashDigestLength)
						);
						statModulesFromCache++;
						continue;
					}
				}
				statModulesHashed++;
				const digest = this._createModuleHash(
					module,
					chunkGraph,
					runtime,
					hashFunction,
					runtimeTemplate,
					hashDigest,
					hashDigestLength,
					errors
				);
				if (memCache) {
					memCache.set(`moduleHash-${getRuntimeKey(runtime)}`, digest);
				}
			}
		}
		if (errors.length > 0) {
			errors.sort(
				compareSelect((err) => err.module, compareModulesByIdentifier)
			);
			for (const error of errors) {
				this.errors.push(error);
			}
		}
		this.logger.log(
			`${statModulesHashed} modules hashed, ${statModulesFromCache} from cache (${
				Math.round(
					(100 * (statModulesHashed + statModulesFromCache)) / this.modules.size
				) / 100
			} variants per module in average)`
		);
	}