forked from sindresorhus/globby
/
index.js
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/
index.js
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import fs from 'node:fs';
import merge2 from 'merge2';
import fastGlob from 'fast-glob';
import dirGlob from 'dir-glob';
import {isGitIgnored, isGitIgnoredSync} from './gitignore.js';
import {FilterStream, toPath} from './utilities.js';
const isNegative = pattern => pattern[0] === '!';
const assertPatternsInput = patterns => {
if (!patterns.every(pattern => typeof pattern === 'string')) {
throw new TypeError('Patterns must be a string or an array of strings');
}
};
const toPatternsArray = patterns => {
patterns = [...new Set([patterns].flat())];
assertPatternsInput(patterns);
return patterns;
};
const checkCwdOption = options => {
if (!options.cwd) {
return;
}
let stat;
try {
stat = fs.statSync(options.cwd);
} catch {
return;
}
if (!stat.isDirectory()) {
throw new Error('The `cwd` option must be a path to a directory');
}
};
const normalizeOptions = (options = {}) => {
options = {
ignore: [],
expandDirectories: true,
...options,
cwd: toPath(options.cwd),
};
checkCwdOption(options);
return options;
};
const normalizeArguments = fn => (patterns, options) => fn(toPatternsArray(patterns), normalizeOptions(options));
const getFilter = async options => createFilterFunction(
options.gitignore && await isGitIgnored({cwd: options.cwd, ignore: options.ignore}),
);
const getFilterSync = options => createFilterFunction(
options.gitignore && isGitIgnoredSync({cwd: options.cwd, ignore: options.ignore}),
);
const createFilterFunction = isIgnored => {
const seen = new Set();
return fastGlobResult => {
const path = fastGlobResult.path || fastGlobResult;
const seenOrIgnored = seen.has(path) || (isIgnored && isIgnored(path));
seen.add(path);
return !seenOrIgnored;
};
};
const unionFastGlobResults = (results, filter) => results.flat().filter(fastGlobResult => filter(fastGlobResult));
const unionFastGlobStreams = (streams, filter) => merge2(streams).pipe(new FilterStream(fastGlobResult => filter(fastGlobResult)));
const generateGlobTasksInternal = (patterns, taskOptions) => {
const globTasks = [];
for (const [index, pattern] of patterns.entries()) {
if (isNegative(pattern)) {
continue;
}
const ignore = patterns
.slice(index)
.filter(pattern => isNegative(pattern))
.map(pattern => pattern.slice(1));
const options = {
...taskOptions,
ignore: [...taskOptions.ignore, ...ignore],
};
globTasks.push({pattern, options});
}
return globTasks;
};
const globDirectories = (task, fn) => {
let options = {};
if (task.options.cwd) {
options.cwd = task.options.cwd;
}
if (Array.isArray(task.options.expandDirectories)) {
options = {
...options,
files: task.options.expandDirectories,
};
} else if (typeof task.options.expandDirectories === 'object') {
options = {
...options,
...task.options.expandDirectories,
};
}
return fn(task.pattern, options);
};
const generateTasks = async (patterns, options) => {
const globTasks = generateGlobTasksInternal(patterns, options);
if (!options.expandDirectories) {
return globTasks;
}
const tasks = await Promise.all(
globTasks.map(async task => {
const {options} = task;
const [
patterns,
ignore,
] = await Promise.all([
globDirectories(task, dirGlob),
dirGlob(options.ignore),
]);
options.ignore = ignore;
return patterns.map(pattern => ({pattern, options}));
}),
);
return tasks.flat();
};
const generateTasksSync = (patterns, options) => {
const globTasks = generateGlobTasksInternal(patterns, options);
if (!options.expandDirectories) {
return globTasks;
}
return globTasks.flatMap(task => {
const {options} = task;
const patterns = globDirectories(task, dirGlob.sync);
options.ignore = dirGlob.sync(options.ignore);
return patterns.map(pattern => ({pattern, options}));
});
};
export const globby = async (patterns, options) => {
patterns = toPatternsArray(patterns);
options = normalizeOptions(options);
const [
tasks,
filter,
] = await Promise.all([
generateTasks(patterns, options),
getFilter(options),
]);
const results = await Promise.all(tasks.map(task => fastGlob(task.pattern, task.options)));
return unionFastGlobResults(results, filter);
};
export const globbySync = normalizeArguments((patterns, options) => {
const tasks = generateTasksSync(patterns, options);
const filter = getFilterSync(options);
const results = tasks.map(task => fastGlob.sync(task.pattern, task.options));
return unionFastGlobResults(results, filter);
});
export const globbyStream = normalizeArguments((patterns, options) => {
const tasks = generateTasksSync(patterns, options);
const filter = getFilterSync(options);
const streams = tasks.map(task => fastGlob.stream(task.pattern, task.options));
return unionFastGlobStreams(streams, filter);
});
export const isDynamicPattern = normalizeArguments(
(patterns, options) => patterns.some(pattern => fastGlob.isDynamicPattern(pattern, options)),
);
export const generateGlobTasks = normalizeArguments(generateGlobTasksInternal);
export {
isGitIgnored,
isGitIgnoredSync,
} from './gitignore.js';