vscode/build/hygiene.js

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This file contains invisible Unicode characters!

This file contains invisible Unicode characters that may be processed differently from what appears below. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to reveal hidden characters.

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
const filter = require('gulp-filter');
const es = require('event-stream');
const VinylFile = require('vinyl');
const vfs = require('vinyl-fs');
const path = require('path');
const fs = require('fs');
const pall = require('p-all');
const { all, copyrightFilter, unicodeFilter, indentationFilter, tsFormattingFilter, eslintFilter, stylelintFilter } = require('./filters');
const copyrightHeaderLines = [
'/*---------------------------------------------------------------------------------------------',
' * Copyright (c) Microsoft Corporation. All rights reserved.',
' * Licensed under the MIT License. See License.txt in the project root for license information.',
' *--------------------------------------------------------------------------------------------*/',
];
function hygiene(some, linting = true) {
const eslint = require('./gulp-eslint');
const gulpstylelint = require('./stylelint');
const formatter = require('./lib/formatter');
let errorCount = 0;
const productJson = es.through(function (file) {
const product = JSON.parse(file.contents.toString('utf8'));
if (product.extensionsGallery) {
console.error(`product.json: Contains 'extensionsGallery'`);
errorCount++;
}
this.emit('data', file);
});
const unicode = es.through(function (file) {
const lines = file.contents.toString('utf8').split(/\r\n|\r|\n/);
file.__lines = lines;
const allowInComments = lines.some(line => /allow-any-unicode-comment-file/.test(line));
let skipNext = false;
lines.forEach((line, i) => {
if (/allow-any-unicode-next-line/.test(line)) {
skipNext = true;
return;
}
if (skipNext) {
skipNext = false;
return;
}
// If unicode is allowed in comments, trim the comment from the line
if (allowInComments) {
if (line.match(/\s+(\*)/)) { // Naive multi-line comment check
line = '';
} else {
const index = line.indexOf('\/\/');
line = index === -1 ? line : line.substring(0, index);
}
}
// Please do not add symbols that resemble ASCII letters!
// eslint-disable-next-line no-misleading-character-class
const m = /([^\t\n\r\x20-\x7E⊃⊇✔✓🎯⚠🛑🔴🚗🚙🚕🎉✨❗⇧⌥⌘×÷¦⋯…↑↓→→←↔⟷·•●◆▼⟪⟫┌└├⏎↩√φ]+)/g.exec(line);
if (m) {
console.error(
file.relative + `(${i + 1},${m.index + 1}): Unexpected unicode character: "${m[0]}" (charCode: ${m[0].charCodeAt(0)}). To suppress, use // allow-any-unicode-next-line`
);
errorCount++;
}
});
this.emit('data', file);
});
const indentation = es.through(function (file) {
const lines = file.__lines || file.contents.toString('utf8').split(/\r\n|\r|\n/);
file.__lines = lines;
lines.forEach((line, i) => {
if (/^\s*$/.test(line)) {
// empty or whitespace lines are OK
} else if (/^[\t]*[^\s]/.test(line)) {
// good indent
} else if (/^[\t]* \*/.test(line)) {
// block comment using an extra space
} else {
console.error(
file.relative + '(' + (i + 1) + ',1): Bad whitespace indentation'
);
errorCount++;
}
});
this.emit('data', file);
});
const copyrights = es.through(function (file) {
const lines = file.__lines;
for (let i = 0; i < copyrightHeaderLines.length; i++) {
if (lines[i] !== copyrightHeaderLines[i]) {
console.error(file.relative + ': Missing or bad copyright statement');
errorCount++;
break;
}
}
this.emit('data', file);
});
const formatting = es.map(function (file, cb) {
try {
const rawInput = file.contents.toString('utf8');
const rawOutput = formatter.format(file.path, rawInput);
const original = rawInput.replace(/\r\n/gm, '\n');
const formatted = rawOutput.replace(/\r\n/gm, '\n');
if (original !== formatted) {
console.error(
`File not formatted. Run the 'Format Document' command to fix it:`,
file.relative
);
errorCount++;
}
cb(null, file);
} catch (err) {
cb(err);
}
});
let input;
if (Array.isArray(some) || typeof some === 'string' || !some) {
const options = { base: '.', follow: true, allowEmpty: true };
if (some) {
input = vfs.src(some, options).pipe(filter(all)); // split this up to not unnecessarily filter all a second time
} else {
input = vfs.src(all, options);
}
} else {
input = some;
}
const productJsonFilter = filter('product.json', { restore: true });
const snapshotFilter = filter(['**', '!**/*.snap', '!**/*.snap.actual']);
const yarnLockFilter = filter(['**', '!**/yarn.lock']);
const unicodeFilterStream = filter(unicodeFilter, { restore: true });
const result = input
.pipe(filter((f) => !f.stat.isDirectory()))
.pipe(snapshotFilter)
.pipe(yarnLockFilter)
.pipe(productJsonFilter)
.pipe(process.env['BUILD_SOURCEVERSION'] ? es.through() : productJson)
.pipe(productJsonFilter.restore)
.pipe(unicodeFilterStream)
.pipe(unicode)
.pipe(unicodeFilterStream.restore)
.pipe(filter(indentationFilter))
.pipe(indentation)
.pipe(filter(copyrightFilter))
.pipe(copyrights);
const streams = [
result.pipe(filter(tsFormattingFilter)).pipe(formatting)
];
if (linting) {
streams.push(
result
.pipe(filter(eslintFilter))
.pipe(
eslint((results) => {
errorCount += results.warningCount;
errorCount += results.errorCount;
})
)
);
streams.push(
result.pipe(filter(stylelintFilter)).pipe(gulpstylelint(((message, isError) => {
if (isError) {
console.error(message);
errorCount++;
} else {
console.warn(message);
}
})))
);
}
let count = 0;
return es.merge(...streams).pipe(
es.through(
function (data) {
count++;
if (process.env['TRAVIS'] && count % 10 === 0) {
process.stdout.write('.');
}
this.emit('data', data);
},
function () {
process.stdout.write('\n');
if (errorCount > 0) {
this.emit(
'error',
'Hygiene failed with ' +
errorCount +
` errors. Check 'build / gulpfile.hygiene.js'.`
);
} else {
this.emit('end');
}
}
)
);
}
module.exports.hygiene = hygiene;
function createGitIndexVinyls(paths) {
const cp = require('child_process');
const repositoryPath = process.cwd();
const fns = paths.map((relativePath) => () =>
new Promise((c, e) => {
const fullPath = path.join(repositoryPath, relativePath);
fs.stat(fullPath, (err, stat) => {
if (err && err.code === 'ENOENT') {
// ignore deletions
return c(null);
} else if (err) {
return e(err);
}
cp.exec(
process.platform === 'win32' ? `git show :${relativePath}` : `git show ':${relativePath}'`,
{ maxBuffer: stat.size, encoding: 'buffer' },
(err, out) => {
if (err) {
return e(err);
}
c(
new VinylFile({
path: fullPath,
base: repositoryPath,
contents: out,
stat,
})
);
}
);
});
})
);
return pall(fns, { concurrency: 4 }).then((r) => r.filter((p) => !!p));
}
// this allows us to run hygiene as a git pre-commit hook
if (require.main === module) {
const cp = require('child_process');
process.on('unhandledRejection', (reason, p) => {
console.log('Unhandled Rejection at: Promise', p, 'reason:', reason);
process.exit(1);
});
if (process.argv.length > 2) {
hygiene(process.argv.slice(2)).on('error', (err) => {
console.error();
console.error(err);
process.exit(1);
});
} else {
cp.exec(
'git diff --cached --name-only',
{ maxBuffer: 2000 * 1024 },
(err, out) => {
if (err) {
console.error();
console.error(err);
process.exit(1);
}
const some = out.split(/\r?\n/).filter((l) => !!l);
if (some.length > 0) {
console.log('Reading git index versions...');
createGitIndexVinyls(some)
.then(
(vinyls) =>
new Promise((c, e) =>
hygiene(es.readArray(vinyls).pipe(filter(all)))
.on('end', () => c())
.on('error', e)
)
)
.catch((err) => {
console.error();
console.error(err);
process.exit(1);
});
}
}
);
}
}