index.js

import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

import semver from 'semver';

import { getNextTarget } from './getNextTarget.js';

export function getAbi(target, runtime) {
  if (target === String(Number(target))) return target;
  if (target) target = target.replace(/^v/, '');
  if (!runtime) runtime = 'node';

  if (runtime === 'node') {
    if (!target) return process.versions.modules;
    if (target === process.versions.node) return process.versions.modules;
  }

  let abi;
  let lastTarget;

  for (let i = 0; i < allTargets.length; i++) {
    const t = allTargets[i];
    if (t.runtime !== runtime) continue;
    if (semver.lte(t.target, target) && (!lastTarget || semver.gte(t.target, lastTarget))) {
      abi = t.abi;
      lastTarget = t.target;
    }
  }

  if (abi && semver.lt(target, getNextTarget(runtime, allTargets))) return abi;
  throw new Error(
    'Could not detect abi for version ' +
      target +
      ' and runtime ' +
      runtime +
      '.  Updating "node-abi" might help solve this issue if it is a new release of ' +
      runtime,
  );
}

export function getTarget(abi, runtime) {
  if (abi && abi !== String(Number(abi))) return abi;
  if (!runtime) runtime = 'node';

  if (runtime === 'node' && !abi) return process.versions.node;

  const match = allTargets
    .filter(function (t) {
      return t.abi === abi && t.runtime === runtime;
    })
    .map(function (t) {
      return t.target;
    });
  if (match.length) {
    const betaSeparatorIndex = match[0].indexOf('-');
    return betaSeparatorIndex > -1 ? match[0].substring(0, betaSeparatorIndex) : match[0];
  }

  throw new Error('Could not detect target for abi ' + abi + ' and runtime ' + runtime);
}

function sortByTargetFn(a, b) {
  const abiComp = Number(a.abi) - Number(b.abi);
  if (abiComp !== 0) return abiComp;
  if (a.target < b.target) return -1;
  if (a.target > b.target) return 1;
  return 0;
}

function loadGeneratedTargets() {
  const registry = JSON.parse(
    fs.readFileSync(
      path.join(path.dirname(fileURLToPath(import.meta.url)), 'abi_registry.json'),
      'utf8',
    ),
  );
  const targets = {
    supported: [],
    additional: [],
    future: [],
  };

  registry.forEach(function (item) {
    const target = {
      runtime: item.runtime,
      target: item.target,
      abi: item.abi,
    };
    if (item.lts) {
      const startDate = new Date(Date.parse(item.lts[0]));
      const endDate = new Date(Date.parse(item.lts[1]));
      const currentDate = new Date();
      target.lts = startDate < currentDate && currentDate < endDate;
    } else {
      target.lts = false;
    }

    if (target.runtime === 'node-webkit') {
      targets.additional.push(target);
    } else if (item.future) {
      targets.future.push(target);
    } else {
      targets.supported.push(target);
    }
  });

  targets.supported.sort(sortByTargetFn);
  targets.additional.sort(sortByTargetFn);
  targets.future.sort(sortByTargetFn);

  return targets;
}

const generatedTargets = loadGeneratedTargets();

export const supportedTargets = [
  { runtime: 'node', target: '5.0.0', abi: '47', lts: false },
  { runtime: 'node', target: '6.0.0', abi: '48', lts: false },
  { runtime: 'node', target: '7.0.0', abi: '51', lts: false },
  { runtime: 'node', target: '8.0.0', abi: '57', lts: false },
  { runtime: 'node', target: '9.0.0', abi: '59', lts: false },
  {
    runtime: 'node',
    target: '10.0.0',
    abi: '64',
    lts: new Date(2018, 10, 1) < new Date() && new Date() < new Date(2020, 4, 31),
  },
  { runtime: 'electron', target: '0.36.0', abi: '47', lts: false },
  { runtime: 'electron', target: '1.1.0', abi: '48', lts: false },
  { runtime: 'electron', target: '1.3.0', abi: '49', lts: false },
  { runtime: 'electron', target: '1.4.0', abi: '50', lts: false },
  { runtime: 'electron', target: '1.5.0', abi: '51', lts: false },
  { runtime: 'electron', target: '1.6.0', abi: '53', lts: false },
  { runtime: 'electron', target: '1.7.0', abi: '54', lts: false },
  { runtime: 'electron', target: '1.8.0', abi: '57', lts: false },
  { runtime: 'electron', target: '2.0.0', abi: '57', lts: false },
  { runtime: 'electron', target: '3.0.0', abi: '64', lts: false },
  { runtime: 'electron', target: '4.0.0', abi: '64', lts: false },
  { runtime: 'electron', target: '4.0.4', abi: '69', lts: false },
  ...generatedTargets.supported,
];

export const additionalTargets = [
  { runtime: 'node-webkit', target: '0.13.0', abi: '47', lts: false },
  { runtime: 'node-webkit', target: '0.15.0', abi: '48', lts: false },
  { runtime: 'node-webkit', target: '0.18.3', abi: '51', lts: false },
  { runtime: 'node-webkit', target: '0.23.0', abi: '57', lts: false },
  { runtime: 'node-webkit', target: '0.26.5', abi: '59', lts: false },
  ...generatedTargets.additional,
];

export const deprecatedTargets = [
  { runtime: 'node', target: '0.2.0', abi: '1', lts: false },
  { runtime: 'node', target: '0.9.1', abi: '0x000A', lts: false },
  { runtime: 'node', target: '0.9.9', abi: '0x000B', lts: false },
  { runtime: 'node', target: '0.10.4', abi: '11', lts: false },
  { runtime: 'node', target: '0.11.0', abi: '0x000C', lts: false },
  { runtime: 'node', target: '0.11.8', abi: '13', lts: false },
  { runtime: 'node', target: '0.11.11', abi: '14', lts: false },
  { runtime: 'node', target: '1.0.0', abi: '42', lts: false },
  { runtime: 'node', target: '1.1.0', abi: '43', lts: false },
  { runtime: 'node', target: '2.0.0', abi: '44', lts: false },
  { runtime: 'node', target: '3.0.0', abi: '45', lts: false },
  { runtime: 'node', target: '4.0.0', abi: '46', lts: false },
  { runtime: 'electron', target: '0.30.0', abi: '44', lts: false },
  { runtime: 'electron', target: '0.31.0', abi: '45', lts: false },
  { runtime: 'electron', target: '0.33.0', abi: '46', lts: false },
];

export const futureTargets = generatedTargets.future;

export const allTargets = deprecatedTargets
  .concat(supportedTargets)
  .concat(additionalTargets)
  .concat(futureTargets);