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364 lines
11 KiB
364 lines
11 KiB
"use strict"; |
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Object.defineProperty(exports, "__esModule", { |
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value: true |
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}); |
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exports.getPolyfillPlugins = exports.getModulesPluginNames = exports.default = void 0; |
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exports.isPluginRequired = isPluginRequired; |
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exports.transformIncludesAndExcludes = void 0; |
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var _semver = require("semver"); |
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var _debug = require("./debug"); |
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var _getOptionSpecificExcludes = require("./get-option-specific-excludes"); |
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var _filterItems = require("./filter-items"); |
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var _moduleTransformations = require("./module-transformations"); |
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var _normalizeOptions = require("./normalize-options"); |
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var _shippedProposals = require("./shipped-proposals"); |
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var _pluginsCompatData = require("./plugins-compat-data"); |
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var _overlappingPlugins = require("@babel/compat-data/overlapping-plugins"); |
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var _regenerator = require("./polyfills/regenerator"); |
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var _babelPolyfill = require("./polyfills/babel-polyfill"); |
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var _babelPluginPolyfillCorejs = require("babel-plugin-polyfill-corejs2"); |
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var _babelPluginPolyfillCorejs2 = require("babel-plugin-polyfill-corejs3"); |
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var _babelPluginPolyfillRegenerator = require("babel-plugin-polyfill-regenerator"); |
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var _helperCompilationTargets = require("@babel/helper-compilation-targets"); |
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var _availablePlugins = require("./available-plugins"); |
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var _helperPluginUtils = require("@babel/helper-plugin-utils"); |
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const pluginCoreJS2 = _babelPluginPolyfillCorejs.default || _babelPluginPolyfillCorejs; |
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const pluginCoreJS3 = _babelPluginPolyfillCorejs2.default || _babelPluginPolyfillCorejs2; |
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const pluginRegenerator = _babelPluginPolyfillRegenerator.default || _babelPluginPolyfillRegenerator; |
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function isPluginRequired(targets, support) { |
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return (0, _helperCompilationTargets.isRequired)("fake-name", targets, { |
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compatData: { |
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"fake-name": support |
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} |
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}); |
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} |
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function filterStageFromList(list, stageList) { |
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return Object.keys(list).reduce((result, item) => { |
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if (!stageList.has(item)) { |
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result[item] = list[item]; |
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} |
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return result; |
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}, {}); |
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} |
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const pluginLists = { |
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withProposals: { |
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withoutBugfixes: _pluginsCompatData.plugins, |
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withBugfixes: Object.assign({}, _pluginsCompatData.plugins, _pluginsCompatData.pluginsBugfixes) |
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}, |
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withoutProposals: { |
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withoutBugfixes: filterStageFromList(_pluginsCompatData.plugins, _shippedProposals.proposalPlugins), |
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withBugfixes: filterStageFromList(Object.assign({}, _pluginsCompatData.plugins, _pluginsCompatData.pluginsBugfixes), _shippedProposals.proposalPlugins) |
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} |
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}; |
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function getPluginList(proposals, bugfixes) { |
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if (proposals) { |
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if (bugfixes) return pluginLists.withProposals.withBugfixes;else return pluginLists.withProposals.withoutBugfixes; |
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} else { |
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if (bugfixes) return pluginLists.withoutProposals.withBugfixes;else return pluginLists.withoutProposals.withoutBugfixes; |
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} |
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} |
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const getPlugin = pluginName => { |
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const plugin = _availablePlugins.default[pluginName](); |
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if (!plugin) { |
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throw new Error(`Could not find plugin "${pluginName}". Ensure there is an entry in ./available-plugins.js for it.`); |
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} |
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return plugin; |
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}; |
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const transformIncludesAndExcludes = opts => { |
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return opts.reduce((result, opt) => { |
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const target = opt.match(/^(es|es6|es7|esnext|web)\./) ? "builtIns" : "plugins"; |
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result[target].add(opt); |
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return result; |
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}, { |
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all: opts, |
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plugins: new Set(), |
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builtIns: new Set() |
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}); |
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}; |
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exports.transformIncludesAndExcludes = transformIncludesAndExcludes; |
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const getModulesPluginNames = ({ |
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modules, |
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transformations, |
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shouldTransformESM, |
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shouldTransformDynamicImport, |
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shouldTransformExportNamespaceFrom, |
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shouldParseTopLevelAwait |
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}) => { |
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const modulesPluginNames = []; |
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if (modules !== false && transformations[modules]) { |
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if (shouldTransformESM) { |
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modulesPluginNames.push(transformations[modules]); |
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} |
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if (shouldTransformDynamicImport && shouldTransformESM && modules !== "umd") { |
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modulesPluginNames.push("proposal-dynamic-import"); |
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} else { |
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if (shouldTransformDynamicImport) { |
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console.warn("Dynamic import can only be supported when transforming ES modules" + " to AMD, CommonJS or SystemJS. Only the parser plugin will be enabled."); |
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} |
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modulesPluginNames.push("syntax-dynamic-import"); |
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} |
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} else { |
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modulesPluginNames.push("syntax-dynamic-import"); |
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} |
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if (shouldTransformExportNamespaceFrom) { |
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modulesPluginNames.push("proposal-export-namespace-from"); |
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} else { |
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modulesPluginNames.push("syntax-export-namespace-from"); |
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} |
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if (shouldParseTopLevelAwait) { |
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modulesPluginNames.push("syntax-top-level-await"); |
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} |
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return modulesPluginNames; |
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}; |
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exports.getModulesPluginNames = getModulesPluginNames; |
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const getPolyfillPlugins = ({ |
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useBuiltIns, |
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corejs, |
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polyfillTargets, |
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include, |
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exclude, |
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proposals, |
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shippedProposals, |
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regenerator, |
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debug |
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}) => { |
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const polyfillPlugins = []; |
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if (useBuiltIns === "usage" || useBuiltIns === "entry") { |
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const pluginOptions = { |
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method: `${useBuiltIns}-global`, |
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version: corejs ? corejs.toString() : undefined, |
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targets: polyfillTargets, |
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include, |
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exclude, |
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proposals, |
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shippedProposals, |
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debug |
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}; |
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if (corejs) { |
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if (useBuiltIns === "usage") { |
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if (corejs.major === 2) { |
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polyfillPlugins.push([pluginCoreJS2, pluginOptions], [_babelPolyfill.default, { |
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usage: true |
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}]); |
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} else { |
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polyfillPlugins.push([pluginCoreJS3, pluginOptions], [_babelPolyfill.default, { |
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usage: true, |
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deprecated: true |
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}]); |
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} |
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if (regenerator) { |
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polyfillPlugins.push([pluginRegenerator, { |
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method: "usage-global", |
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debug |
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}]); |
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} |
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} else { |
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if (corejs.major === 2) { |
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polyfillPlugins.push([_babelPolyfill.default, { |
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regenerator |
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}], [pluginCoreJS2, pluginOptions]); |
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} else { |
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polyfillPlugins.push([pluginCoreJS3, pluginOptions], [_babelPolyfill.default, { |
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deprecated: true |
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}]); |
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if (!regenerator) { |
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polyfillPlugins.push([_regenerator.default, pluginOptions]); |
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} |
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} |
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} |
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} |
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} |
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return polyfillPlugins; |
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}; |
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exports.getPolyfillPlugins = getPolyfillPlugins; |
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function getLocalTargets(optionsTargets, ignoreBrowserslistConfig, configPath, browserslistEnv) { |
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if (optionsTargets != null && optionsTargets.esmodules && optionsTargets.browsers) { |
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console.warn(` |
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@babel/preset-env: esmodules and browsers targets have been specified together. |
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\`browsers\` target, \`${optionsTargets.browsers.toString()}\` will be ignored. |
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`); |
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} |
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return (0, _helperCompilationTargets.default)(optionsTargets, { |
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ignoreBrowserslistConfig, |
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configPath, |
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browserslistEnv |
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}); |
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} |
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function supportsStaticESM(caller) { |
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return !!(caller != null && caller.supportsStaticESM); |
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} |
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function supportsDynamicImport(caller) { |
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return !!(caller != null && caller.supportsDynamicImport); |
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} |
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function supportsExportNamespaceFrom(caller) { |
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return !!(caller != null && caller.supportsExportNamespaceFrom); |
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} |
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function supportsTopLevelAwait(caller) { |
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return !!(caller != null && caller.supportsTopLevelAwait); |
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} |
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var _default = (0, _helperPluginUtils.declarePreset)((api, opts) => { |
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api.assertVersion(7); |
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const babelTargets = api.targets(); |
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const { |
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bugfixes, |
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configPath, |
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debug, |
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exclude: optionsExclude, |
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forceAllTransforms, |
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ignoreBrowserslistConfig, |
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include: optionsInclude, |
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loose, |
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modules, |
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shippedProposals, |
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spec, |
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targets: optionsTargets, |
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useBuiltIns, |
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corejs: { |
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version: corejs, |
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proposals |
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}, |
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browserslistEnv |
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} = (0, _normalizeOptions.default)(opts); |
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let targets = babelTargets; |
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if (_semver.lt(api.version, "7.13.0") || opts.targets || opts.configPath || opts.browserslistEnv || opts.ignoreBrowserslistConfig) { |
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{ |
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var hasUglifyTarget = false; |
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if (optionsTargets != null && optionsTargets.uglify) { |
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hasUglifyTarget = true; |
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delete optionsTargets.uglify; |
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console.warn(` |
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The uglify target has been deprecated. Set the top level |
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option \`forceAllTransforms: true\` instead. |
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`); |
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} |
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} |
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targets = getLocalTargets(optionsTargets, ignoreBrowserslistConfig, configPath, browserslistEnv); |
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} |
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const transformTargets = forceAllTransforms || hasUglifyTarget ? {} : targets; |
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const include = transformIncludesAndExcludes(optionsInclude); |
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const exclude = transformIncludesAndExcludes(optionsExclude); |
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const compatData = getPluginList(shippedProposals, bugfixes); |
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const shouldSkipExportNamespaceFrom = modules === "auto" && (api.caller == null ? void 0 : api.caller(supportsExportNamespaceFrom)) || modules === false && !(0, _helperCompilationTargets.isRequired)("proposal-export-namespace-from", transformTargets, { |
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compatData, |
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includes: include.plugins, |
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excludes: exclude.plugins |
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}); |
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const modulesPluginNames = getModulesPluginNames({ |
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modules, |
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transformations: _moduleTransformations.default, |
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shouldTransformESM: modules !== "auto" || !(api.caller != null && api.caller(supportsStaticESM)), |
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shouldTransformDynamicImport: modules !== "auto" || !(api.caller != null && api.caller(supportsDynamicImport)), |
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shouldTransformExportNamespaceFrom: !shouldSkipExportNamespaceFrom, |
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shouldParseTopLevelAwait: !api.caller || api.caller(supportsTopLevelAwait) |
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}); |
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const pluginNames = (0, _helperCompilationTargets.filterItems)(compatData, include.plugins, exclude.plugins, transformTargets, modulesPluginNames, (0, _getOptionSpecificExcludes.default)({ |
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loose |
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}), _shippedProposals.pluginSyntaxMap); |
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(0, _filterItems.removeUnnecessaryItems)(pluginNames, _overlappingPlugins); |
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(0, _filterItems.removeUnsupportedItems)(pluginNames, api.version); |
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if (shippedProposals) { |
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(0, _filterItems.addProposalSyntaxPlugins)(pluginNames, _shippedProposals.proposalSyntaxPlugins); |
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} |
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const polyfillPlugins = getPolyfillPlugins({ |
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useBuiltIns, |
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corejs, |
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polyfillTargets: targets, |
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include: include.builtIns, |
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exclude: exclude.builtIns, |
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proposals, |
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shippedProposals, |
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regenerator: pluginNames.has("transform-regenerator"), |
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debug |
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}); |
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const pluginUseBuiltIns = useBuiltIns !== false; |
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const plugins = Array.from(pluginNames).map(pluginName => { |
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if (pluginName === "proposal-class-properties" || pluginName === "proposal-private-methods" || pluginName === "proposal-private-property-in-object") { |
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return [getPlugin(pluginName), { |
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loose: loose ? "#__internal__@babel/preset-env__prefer-true-but-false-is-ok-if-it-prevents-an-error" : "#__internal__@babel/preset-env__prefer-false-but-true-is-ok-if-it-prevents-an-error" |
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}]; |
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} |
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return [getPlugin(pluginName), { |
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spec, |
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loose, |
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useBuiltIns: pluginUseBuiltIns |
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}]; |
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}).concat(polyfillPlugins); |
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if (debug) { |
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console.log("@babel/preset-env: `DEBUG` option"); |
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console.log("\nUsing targets:"); |
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console.log(JSON.stringify((0, _helperCompilationTargets.prettifyTargets)(targets), null, 2)); |
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console.log(`\nUsing modules transform: ${modules.toString()}`); |
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console.log("\nUsing plugins:"); |
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pluginNames.forEach(pluginName => { |
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(0, _debug.logPlugin)(pluginName, targets, compatData); |
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}); |
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if (!useBuiltIns) { |
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console.log("\nUsing polyfills: No polyfills were added, since the `useBuiltIns` option was not set."); |
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} |
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} |
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return { |
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plugins |
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}; |
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}); |
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exports.default = _default; |