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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.createCachedDescriptors = createCachedDescriptors;
exports.createDescriptor = createDescriptor;
exports.createUncachedDescriptors = createUncachedDescriptors;
function _gensync() {
const data = require("gensync");
_gensync = function () {
return data;
};
return data;
}
var _functional = require("../gensync-utils/functional");
var _files = require("./files");
var _item = require("./item");
var _caching = require("./caching");
var _resolveTargets = require("./resolve-targets");
function isEqualDescriptor(a, b) {
return a.name === b.name && a.value === b.value && a.options === b.options && a.dirname === b.dirname && a.alias === b.alias && a.ownPass === b.ownPass && (a.file && a.file.request) === (b.file && b.file.request) && (a.file && a.file.resolved) === (b.file && b.file.resolved);
}
function* handlerOf(value) {
return value;
}
function optionsWithResolvedBrowserslistConfigFile(options, dirname) {
if (typeof options.browserslistConfigFile === "string") {
options.browserslistConfigFile = (0, _resolveTargets.resolveBrowserslistConfigFile)(options.browserslistConfigFile, dirname);
}
return options;
}
function createCachedDescriptors(dirname, options, alias) {
const {
plugins,
presets,
passPerPreset
} = options;
return {
options: optionsWithResolvedBrowserslistConfigFile(options, dirname),
plugins: plugins ? () => createCachedPluginDescriptors(plugins, dirname)(alias) : () => handlerOf([]),
presets: presets ? () => createCachedPresetDescriptors(presets, dirname)(alias)(!!passPerPreset) : () => handlerOf([])
};
}
function createUncachedDescriptors(dirname, options, alias) {
return {
options: optionsWithResolvedBrowserslistConfigFile(options, dirname),
plugins: (0, _functional.once)(() => createPluginDescriptors(options.plugins || [], dirname, alias)),
presets: (0, _functional.once)(() => createPresetDescriptors(options.presets || [], dirname, alias, !!options.passPerPreset))
};
}
const PRESET_DESCRIPTOR_CACHE = new WeakMap();
const createCachedPresetDescriptors = (0, _caching.makeWeakCacheSync)((items, cache) => {
const dirname = cache.using(dir => dir);
return (0, _caching.makeStrongCacheSync)(alias => (0, _caching.makeStrongCache)(function* (passPerPreset) {
const descriptors = yield* createPresetDescriptors(items, dirname, alias, passPerPreset);
return descriptors.map(desc => loadCachedDescriptor(PRESET_DESCRIPTOR_CACHE, desc));
}));
});
const PLUGIN_DESCRIPTOR_CACHE = new WeakMap();
const createCachedPluginDescriptors = (0, _caching.makeWeakCacheSync)((items, cache) => {
const dirname = cache.using(dir => dir);
return (0, _caching.makeStrongCache)(function* (alias) {
const descriptors = yield* createPluginDescriptors(items, dirname, alias);
return descriptors.map(desc => loadCachedDescriptor(PLUGIN_DESCRIPTOR_CACHE, desc));
});
});
const DEFAULT_OPTIONS = {};
function loadCachedDescriptor(cache, desc) {
const {
value,
options = DEFAULT_OPTIONS
} = desc;
if (options === false) return desc;
let cacheByOptions = cache.get(value);
if (!cacheByOptions) {
cacheByOptions = new WeakMap();
cache.set(value, cacheByOptions);
}
let possibilities = cacheByOptions.get(options);
if (!possibilities) {
possibilities = [];
cacheByOptions.set(options, possibilities);
}
if (possibilities.indexOf(desc) === -1) {
const matches = possibilities.filter(possibility => isEqualDescriptor(possibility, desc));
if (matches.length > 0) {
return matches[0];
}
possibilities.push(desc);
}
return desc;
}
function* createPresetDescriptors(items, dirname, alias, passPerPreset) {
return yield* createDescriptors("preset", items, dirname, alias, passPerPreset);
}
function* createPluginDescriptors(items, dirname, alias) {
return yield* createDescriptors("plugin", items, dirname, alias);
}
function* createDescriptors(type, items, dirname, alias, ownPass) {
const descriptors = yield* _gensync().all(items.map((item, index) => createDescriptor(item, dirname, {
type,
alias: `${alias}$${index}`,
ownPass: !!ownPass
})));
assertNoDuplicates(descriptors);
return descriptors;
}
function* createDescriptor(pair, dirname, {
type,
alias,
ownPass
}) {
const desc = (0, _item.getItemDescriptor)(pair);
if (desc) {
return desc;
}
let name;
let options;
let value = pair;
if (Array.isArray(value)) {
if (value.length === 3) {
[value, options, name] = value;
} else {
[value, options] = value;
}
}
let file = undefined;
let filepath = null;
if (typeof value === "string") {
if (typeof type !== "string") {
throw new Error("To resolve a string-based item, the type of item must be given");
}
const resolver = type === "plugin" ? _files.loadPlugin : _files.loadPreset;
const request = value;
({
filepath,
value
} = yield* resolver(value, dirname));
file = {
request,
resolved: filepath
};
}
if (!value) {
throw new Error(`Unexpected falsy value: ${String(value)}`);
}
if (typeof value === "object" && value.__esModule) {
if (value.default) {
value = value.default;
} else {
throw new Error("Must export a default export when using ES6 modules.");
}
}
if (typeof value !== "object" && typeof value !== "function") {
throw new Error(`Unsupported format: ${typeof value}. Expected an object or a function.`);
}
if (filepath !== null && typeof value === "object" && value) {
throw new Error(`Plugin/Preset files are not allowed to export objects, only functions. In ${filepath}`);
}
return {
name,
alias: filepath || alias,
value,
options,
dirname,
ownPass,
file
};
}
function assertNoDuplicates(items) {
const map = new Map();
for (const item of items) {
if (typeof item.value !== "function") continue;
let nameMap = map.get(item.value);
if (!nameMap) {
nameMap = new Set();
map.set(item.value, nameMap);
}
if (nameMap.has(item.name)) {
const conflicts = items.filter(i => i.value === item.value);
throw new Error([`Duplicate plugin/preset detected.`, `If you'd like to use two separate instances of a plugin,`, `they need separate names, e.g.`, ``, ` plugins: [`, ` ['some-plugin', {}],`, ` ['some-plugin', {}, 'some unique name'],`, ` ]`, ``, `Duplicates detected are:`, `${JSON.stringify(conflicts, null, 2)}`].join("\n"));
}
nameMap.add(item.name);
}
}
0 && 0;
//# sourceMappingURL=config-descriptors.js.map
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