2025-04-02 06:50:39 -04:00

194 lines
4.6 KiB
JavaScript

'use strict';
const fs = require('fs');
const arrayUnion = require('array-union');
const merge2 = require('merge2');
const fastGlob = require('fast-glob');
const dirGlob = require('dir-glob');
const gitignore = require('./gitignore');
const { FilterStream, UniqueStream } = require('./stream-utils');
const DEFAULT_FILTER = () => false;
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 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 getPathString = (p) => (p.stats instanceof fs.Stats ? p.path : p);
const generateGlobTasks = (patterns, taskOptions) => {
patterns = arrayUnion([].concat(patterns));
assertPatternsInput(patterns);
checkCwdOption(taskOptions);
const globTasks = [];
taskOptions = {
ignore: [],
expandDirectories: true,
...taskOptions,
};
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.concat(ignore),
};
globTasks.push({ pattern, options });
}
return globTasks;
};
const globDirs = (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 getPattern = (task, fn) =>
task.options.expandDirectories ? globDirs(task, fn) : [task.pattern];
const getFilterSync = (options) => {
return options && options.gitignore ?
gitignore.sync({ cwd: options.cwd, ignore: options.ignore })
: DEFAULT_FILTER;
};
const globToTask = (task) => (glob) => {
const { options } = task;
if (
options.ignore &&
Array.isArray(options.ignore) &&
options.expandDirectories
) {
options.ignore = dirGlob.sync(options.ignore);
}
return {
pattern: glob,
options,
};
};
module.exports = async (patterns, options) => {
const globTasks = generateGlobTasks(patterns, options);
const getFilter = async () => {
return options && options.gitignore ?
gitignore({ cwd: options.cwd, ignore: options.ignore })
: DEFAULT_FILTER;
};
const getTasks = async () => {
const tasks = await Promise.all(
globTasks.map(async (task) => {
const globs = await getPattern(task, dirGlob);
return Promise.all(globs.map(globToTask(task)));
})
);
return arrayUnion(...tasks);
};
const [filter, tasks] = await Promise.all([getFilter(), getTasks()]);
const paths = await Promise.all(
tasks.map((task) => fastGlob(task.pattern, task.options))
);
return arrayUnion(...paths).filter((path_) => !filter(getPathString(path_)));
};
module.exports.sync = (patterns, options) => {
const globTasks = generateGlobTasks(patterns, options);
const tasks = [];
for (const task of globTasks) {
const newTask = getPattern(task, dirGlob.sync).map(globToTask(task));
tasks.push(...newTask);
}
const filter = getFilterSync(options);
let matches = [];
for (const task of tasks) {
matches = arrayUnion(matches, fastGlob.sync(task.pattern, task.options));
}
return matches.filter((path_) => !filter(path_));
};
module.exports.stream = (patterns, options) => {
const globTasks = generateGlobTasks(patterns, options);
const tasks = [];
for (const task of globTasks) {
const newTask = getPattern(task, dirGlob.sync).map(globToTask(task));
tasks.push(...newTask);
}
const filter = getFilterSync(options);
const filterStream = new FilterStream((p) => !filter(p));
const uniqueStream = new UniqueStream();
return merge2(
tasks.map((task) => fastGlob.stream(task.pattern, task.options))
)
.pipe(filterStream)
.pipe(uniqueStream);
};
module.exports.generateGlobTasks = generateGlobTasks;
module.exports.hasMagic = (patterns, options) =>
[]
.concat(patterns)
.some((pattern) => fastGlob.isDynamicPattern(pattern, options));
module.exports.gitignore = gitignore;