hardhat-abi-exporter/dist/src/tasks/utils.js

Export Ethereum smart contract ABIs on compilation

import JSON5 from 'json5';
export function abiToTs(json) {
    return `export default ${json} as const;`;
}
/**
 * Extract an ABI from a typescript file
 * note: this function has to support the fact that linting tools might modify the Typescript file slightly
 */
export function abiFromTs(ts) {
    // remove \n and \r characters to help remove the prefix & suffix
    const noSpacing = ts.trim().replace(/\n|\r/g, '');
    // remove the surrounding `export default` and `as const;`
    const inner = noSpacing.slice('export default '.length, -' as const;'.length);
    // we need to parse to take into account the fact that a linter may have changed some of the types
    // ex: { "key": "value" } can be changed into { key: "value" }
    // fortunately, JSON5 handles most of these common conversions
    const parsed = JSON5.parse(inner);
    return parsed;
}