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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
const fs = require('fs');
const path = require(`path`);
const pump = require(`stream`).pipeline;
const child_process = require(`child_process`);
const { targets, modules } = require('./argv');
const {
ReplaySubject,
empty: ObservableEmpty,
throwError: ObservableThrow,
fromEvent: ObservableFromEvent
} = require('rxjs');
const {
share,
flatMap,
takeUntil,
defaultIfEmpty,
mergeWith,
} = require('rxjs/operators');
const asyncDone = require('util').promisify(require('async-done'));
const mainExport = `Arrow`;
const npmPkgName = `apache-arrow`;
const npmOrgName = `@${npmPkgName}`;
const releasesRootDir = `targets`;
const knownTargets = [`es5`, `es2015`, `esnext`];
const knownModules = [`cjs`, `esm`, `cls`, `umd`];
const tasksToSkipPerTargetOrFormat = {
src: { clean: true, build: true },
cls: { test: true, package: true }
};
const packageJSONFields = [
`version`, `license`, `description`,
`author`, `homepage`, `repository`,
`bugs`, `keywords`, `dependencies`,
`bin`
];
const metadataFiles = [`LICENSE.txt`, `NOTICE.txt`, `README.md`].map((filename) => {
let prefixes = [`./`, `../`];
let p = prefixes.find((prefix) => {
try {
fs.statSync(path.resolve(path.join(prefix, filename)));
} catch (e) { return false; }
return true;
});
if (!p) {
throw new Error(`Couldn't find ${filename} in ./ or ../`);
}
return path.join(p, filename);
});
// see: https://github.com/google/closure-compiler/blob/c1372b799d94582eaf4b507a4a22558ff26c403c/src/com/google/javascript/jscomp/CompilerOptions.java#L2988
const gCCLanguageNames = {
es5: `ECMASCRIPT5`,
es2015: `ECMASCRIPT_2015`,
es2016: `ECMASCRIPT_2016`,
es2017: `ECMASCRIPT_2017`,
es2018: `ECMASCRIPT_2018`,
es2019: `ECMASCRIPT_2019`,
esnext: `ECMASCRIPT_NEXT`
};
function taskName(target, format) {
return !format ? target : `${target}:${format}`;
}
function packageName(target, format) {
return !format ? target : `${target}-${format}`;
}
function tsconfigName(target, format) {
return !format ? target : `${target}.${format}`;
}
function targetDir(target, format) {
return path.join(releasesRootDir, ...(!format ? [target] : [target, format]));
}
function shouldRunInChildProcess(target, format) {
// If we're building more than one module/target, then yes run this task in a child process
if (targets.length > 1 || modules.length > 1) { return true; }
// If the target we're building *isn't* the target the gulp command was configured to run, then yes run that in a child process
if (targets[0] !== target || modules[0] !== format) { return true; }
// Otherwise no need -- either gulp was run for just one target, or we've been spawned as the child of a multi-target parent gulp
return false;
}
const gulp = path.join(path.parse(require.resolve(`gulp`)).dir, `bin/gulp.js`);
function spawnGulpCommandInChildProcess(command, target, format) {
const args = [gulp, command, '-t', target, '-m', format, `--silent`];
const opts = {
stdio: [`ignore`, `inherit`, `inherit`],
env: { ...process.env, NODE_NO_WARNINGS: `1` }
};
return asyncDone(() => child_process.spawn(`node`, args, opts))
.catch((e) => { throw `Error in "${command}:${taskName(target, format)}" task`; });
}
const logAndDie = (e) => { if (e) { process.exit(1) } };
function observableFromStreams(...streams) {
if (streams.length <= 0) { return ObservableEmpty(); }
const pumped = streams.length <= 1 ? streams[0] : pump(...streams, logAndDie);
const fromEvent = ObservableFromEvent.bind(null, pumped);
const streamObs = fromEvent(`data`).pipe(
mergeWith(fromEvent(`error`).pipe(flatMap((e) => ObservableThrow(e)))),
takeUntil(fromEvent(`end`).pipe(mergeWith(fromEvent(`close`)))),
defaultIfEmpty(`empty stream`),
share({ connector: () => new ReplaySubject(), resetOnError: false, resetOnComplete: false, resetOnRefCountZero: false })
);
streamObs.stream = pumped;
streamObs.observable = streamObs;
return streamObs;
}
function* combinations(_targets, _modules) {
const targets = known(knownTargets, _targets || [`all`]);
const modules = known(knownModules, _modules || [`all`]);
if (_targets.includes(`src`)) {
yield [`src`, ``];
return;
}
if (_targets.includes(`all`) && _modules.includes(`all`)) {
yield [`ts`, ``];
yield [`src`, ``];
yield [npmPkgName, ``];
}
for (const format of modules) {
for (const target of targets) {
yield [target, format];
}
}
function known(known, values) {
return values.includes(`all`) ? known
: values.includes(`src`) ? [`src`]
: Object.keys(
values.reduce((map, arg) => ((
(known.includes(arg)) &&
(map[arg.toLowerCase()] = true)
|| true) && map
), {})
).sort((a, b) => known.indexOf(a) - known.indexOf(b));
}
}
const publicModulePaths = (dir) => [
`${dir}/${mainExport}.dom.js`,
`${dir}/util/int.js`,
`${dir}/compute/predicate.js`,
];
const esmRequire = require(`esm`)(module, {
mode: `auto`,
cjs: {
/* A boolean for storing ES modules in require.cache. */
cache: true,
/* A boolean for respecting require.extensions in ESM. */
extensions: true,
/* A boolean for __esModule interoperability. */
interop: true,
/* A boolean for importing named exports of CJS modules. */
namedExports: true,
/* A boolean for following CJS path rules in ESM. */
paths: true,
/* A boolean for __dirname, __filename, and require in ESM. */
vars: true,
}
});
module.exports = {
mainExport, npmPkgName, npmOrgName, metadataFiles, packageJSONFields,
knownTargets, knownModules, tasksToSkipPerTargetOrFormat, gCCLanguageNames,
taskName, packageName, tsconfigName, targetDir, combinations, observableFromStreams,
publicModulePaths, esmRequire, shouldRunInChildProcess, spawnGulpCommandInChildProcess,
targetAndModuleCombinations: [...combinations(targets, modules)]
};
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