Kargi-Sitesi/node_modules/core-js-compat/compat.js

90 lines
2.4 KiB
JavaScript

'use strict';
const { compare, filterOutStabilizedProposals, has, intersection } = require('./helpers');
const data = require('./data');
const entries = require('./entries');
const getModulesListForTargetVersion = require('./get-modules-list-for-target-version');
const allModules = require('./modules');
const targetsParser = require('./targets-parser');
function throwInvalidFilter(filter) {
throw new TypeError(`Specified invalid module name or pattern: ${ filter }`);
}
function atLeastSomeModules(modules, filter) {
if (!modules.length) throwInvalidFilter(filter);
return modules;
}
function getModules(filter) {
if (typeof filter == 'string') {
if (has(entries, filter)) return entries[filter];
return atLeastSomeModules(allModules.filter(it => it.startsWith(filter)), filter);
}
if (filter instanceof RegExp) return atLeastSomeModules(allModules.filter(it => filter.test(it)), filter);
throwInvalidFilter(filter);
}
function normalizeModules(option) {
// TODO: use `.flatMap` in core-js@4
return new Set(Array.isArray(option) ? [].concat(...option.map(getModules)) : getModules(option));
}
function checkModule(name, targets) {
const result = {
required: !targets,
targets: {},
};
if (!targets) return result;
const requirements = data[name];
for (const [engine, version] of targets) {
if (!has(requirements, engine) || compare(version, '<', requirements[engine])) {
result.required = true;
result.targets[engine] = version;
}
}
return result;
}
module.exports = function ({
filter = null, // TODO: Obsolete, remove from `core-js@4`
modules = null,
exclude = [],
targets = null,
version = null,
inverse = false,
} = {}) {
if (modules === null || modules === undefined) modules = filter;
inverse = !!inverse;
const parsedTargets = targets ? targetsParser(targets) : null;
const result = {
list: [],
targets: {},
};
exclude = normalizeModules(exclude);
modules = modules ? [...normalizeModules(modules)] : allModules;
if (exclude.size) modules = modules.filter(it => !exclude.has(it));
modules = intersection(modules, version ? getModulesListForTargetVersion(version) : allModules);
if (!inverse) modules = filterOutStabilizedProposals(modules);
for (const key of modules) {
const check = checkModule(key, parsedTargets);
if (check.required ^ inverse) {
result.list.push(key);
result.targets[key] = check.targets;
}
}
return result;
};