Files
wasm/scripts/pack-wasm-base.cjs
T

40 lines
1.5 KiB
JavaScript
Executable File

// Copyright 2019-2022 @polkadot/wasm authors & contributors
// SPDX-License-Identifier: Apache-2.0
const fflate = require('fflate/node');
const fs = require('fs');
const mkdirp = require('mkdirp');
const { formatNumber } = require('@polkadot/util');
const data = fs.readFileSync(`./${process.env.PKG_NAME}/build-wasm/wasm_opt.wasm`);
const compressed = Buffer.from(fflate.zlibSync(data, { level: 9 }));
const denoDir = `./${process.env.PKG_NAME}-wasm/build-deno/deno`;
console.log(`*** Compressed WASM: ${formatNumber(data.length)} -> ${formatNumber(compressed.length)} (${(100 * compressed.length / data.length).toFixed(2)}%)`);
mkdirp.sync(denoDir);
fs.writeFileSync(`./${process.env.PKG_NAME}-wasm/build/cjs/bytes.js`, `// Copyright 2019-${new Date().getFullYear()} @polkadot/${process.env.PKG_NAME}-wasm authors & contributors
// SPDX-License-Identifier: Apache-2.0
// Generated as part of the build, do not edit
const sizeCompressed = ${compressed.length};
const sizeUncompressed = ${data.length};
const bytes = '${compressed.toString('base64')}';
module.exports = { bytes, sizeCompressed, sizeUncompressed };
`);
fs.writeFileSync(`${denoDir}/bytes.js`, `// Copyright 2019-${new Date().getFullYear()} @polkadot/${process.env.PKG_NAME}-wasm authors & contributors
// SPDX-License-Identifier: Apache-2.0
// Generated as part of the build, do not edit
export const sizeCompressed = ${compressed.length};
export const sizeUncompressed = ${data.length};
export const bytes = '${compressed.toString('base64')}';
`);