yomichan/dev/build.js

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/*
* Copyright (C) 2020 Yomichan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
const fs = require('fs');
const path = require('path');
const readline = require('readline');
const childProcess = require('child_process');
const yomichanTest = require('../test/yomichan-test');
function getAllFiles(directory, relativeTo) {
const results = [];
const directories = [directory];
for (const dir of directories) {
const fileNames = fs.readdirSync(dir);
for (const fileName of fileNames) {
const fullFileName = path.join(dir, fileName);
const relativeFileName = path.relative(relativeTo, fullFileName);
const stats = fs.lstatSync(fullFileName);
if (stats.isFile()) {
results.push(relativeFileName);
} else if (stats.isDirectory()) {
directories.push(fullFileName);
}
}
}
return results;
}
async function createZip(directory, outputFileName, sevenZipExes=[], onUpdate=null) {
for (const exe of sevenZipExes) {
try {
childProcess.execFileSync(
exe,
[
'a',
outputFileName,
'.'
],
{
cwd: directory
}
);
return;
} catch (e) {
// NOP
}
}
return await createJSZip(directory, outputFileName, onUpdate);
}
async function createJSZip(directory, outputFileName, onUpdate) {
const JSZip = yomichanTest.JSZip;
const files = getAllFiles(directory, directory);
const zip = new JSZip();
for (const fileName of files) {
zip.file(
fileName.replace(/\\/g, '/'),
fs.readFileSync(path.join(directory, fileName), {encoding: null, flag: 'r'}),
{}
);
}
if (typeof onUpdate !== 'function') {
onUpdate = () => {}; // NOP
}
const data = await zip.generateAsync({
type: 'nodebuffer',
compression: 'DEFLATE',
compressionOptions: {level: 9}
}, onUpdate);
process.stdout.write('\n');
fs.writeFileSync(outputFileName, data, {encoding: null, flag: 'w'});
}
function createModifiedManifest(manifest, modifications) {
manifest = JSON.parse(JSON.stringify(manifest));
if (Array.isArray(modifications)) {
for (const modification of modifications) {
const {action, path: path2} = modification;
switch (action) {
case 'set':
{
const value = getObjectProperties(manifest, path2, path2.length - 1);
const last = path2[path2.length - 1];
value[last] = modification.value;
}
break;
case 'replace':
{
const value = getObjectProperties(manifest, path2, path2.length - 1);
const regex = new RegExp(modification.pattern, modification.patternFlags);
const last = path2[path2.length - 1];
let value2 = value[last];
value2 = `${value2}`.replace(regex, modification.replacement);
value[last] = value2;
}
break;
case 'delete':
{
const value = getObjectProperties(manifest, path2, path2.length - 1);
const last = path2[path2.length - 1];
delete value[last];
}
break;
}
}
}
return manifest;
}
function getObjectProperties(object, path2, count) {
for (let i = 0; i < count; ++i) {
object = object[path2[i]];
}
return object;
}
function loadDefaultManifest() {
const {manifest} = loadDefaultManifestAndVariants();
return manifest;
}
function loadDefaultManifestAndVariants() {
const fileName = path.join(__dirname, 'data', 'manifest-variants.json');
const {manifest, variants} = JSON.parse(fs.readFileSync(fileName));
return {manifest, variants};
}
function createManifestString(manifest) {
return JSON.stringify(manifest, null, 4) + '\n';
}
async function main() {
const {manifest, variants} = loadDefaultManifestAndVariants();
const rootDir = path.join(__dirname, '..');
const extDir = path.join(rootDir, 'ext');
const buildDir = path.join(rootDir, 'builds');
const manifestPath = path.join(extDir, 'manifest.json');
const sevenZipExes = ['7za', '7z'];
// Create build directory
if (!fs.existsSync(buildDir)) {
fs.mkdirSync(buildDir, {recursive: true});
}
const onUpdate = (metadata) => {
let message = `Progress: ${metadata.percent.toFixed(2)}%`;
if (metadata.currentFile) {
message += ` (${metadata.currentFile})`;
}
readline.clearLine(process.stdout);
readline.cursorTo(process.stdout, 0);
process.stdout.write(message);
};
try {
for (const variant of variants) {
const {name, fileName, fileCopies, modifications} = variant;
process.stdout.write(`Building ${name}...\n`);
const fileNameSafe = path.basename(fileName);
const modifiedManifest = createModifiedManifest(manifest, modifications);
const fullFileName = path.join(buildDir, fileNameSafe);
fs.writeFileSync(manifestPath, createManifestString(modifiedManifest));
await createZip(extDir, fullFileName, sevenZipExes, onUpdate);
if (Array.isArray(fileCopies)) {
for (const fileName2 of fileCopies) {
const fileName2Safe = path.basename(fileName2);
fs.copyFileSync(fullFileName, path.join(buildDir, fileName2Safe));
}
}
process.stdout.write('\n');
}
} finally {
// Restore manifest
process.stdout.write('Restoring manifest...\n');
fs.writeFileSync(manifestPath, createManifestString(manifest));
}
}
module.exports = {
loadDefaultManifest,
loadDefaultManifestAndVariants,
createManifestString
};
if (require.main === module) { main(); }