setup babel for legacy build as input transform plugin
This commit is contained in:
Bruno Windels
parent
ffef4936f9
commit
da7f66a531
3 changed files with 97 additions and 95 deletions
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@ -31,6 +31,7 @@
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"@babel/standalone": "^7.15.8",
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"@rollup/plugin-babel": "^5.1.0",
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"@rollup/plugin-multi-entry": "^4.0.0",
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"@rollup/pluginutils": "^4.1.1",
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"@typescript-eslint/eslint-plugin": "^4.29.2",
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"@typescript-eslint/parser": "^4.29.2",
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"@vitejs/plugin-legacy": "^1.6.1",
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@ -1,7 +1,10 @@
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const { build } = require("vite");
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const path = require("path");
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let babel; // big import, only do so when used below
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const {build} = require("vite");
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const {babel} = require('@rollup/plugin-babel');
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const {createFilter} = require("@rollup/pluginutils");
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const VIRTUAL_ENTRY = "hydrogen:legacy-entry";
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const NODE_MODULES_NEEDING_TRANSPILATION = ["es6-promise"];
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module.exports = function legacyBuild(entryModuleId, entryImportReplacements, chunkName, extraImports) {
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let parentRoot;
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@ -26,7 +29,7 @@ module.exports = function legacyBuild(entryModuleId, entryImportReplacements, ch
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for (const [importSource, newImportSource] of Object.entries(entryImportReplacements)) {
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code = replaceImport(this, code, importSource, newImportSource);
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}
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code = addExtraImports(code, extraImports);
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code = prependExtraImports(code, extraImports);
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const bundleCode = await buildLegacyChunk(parentRoot, chunkName, code);
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legacyBundleRef = this.emitFile({
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type: "asset",
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@ -55,7 +58,10 @@ module.exports = function legacyBuild(entryModuleId, entryImportReplacements, ch
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}
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}
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/** we replace the imports ourselves instead of relying on rollup-alias or similar, because
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* we only want to replace imports in the entry module, not anywhere in the import tree.
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* This allows to create sub classes for the legacy build that can still import
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* the non-legacy class as a base class, like LegacyPlatform does with Platform.*/
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function replaceImport(pluginCtx, code, importSource, newImportSource) {
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const ast = pluginCtx.parse(code);
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for (const node of ast.body) {
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@ -70,31 +76,66 @@ function replaceImport(pluginCtx, code, importSource, newImportSource) {
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throw new Error(`Could not find import ${JSON.stringify(importSource)} to replace`);
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}
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function addExtraImports(code, extraImports) {
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function prependExtraImports(code, extraImports) {
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return extraImports.map(i => `import ${JSON.stringify(i)};`).join("\n") + code;
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}
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async function buildLegacyChunk(root, chunkName, code) {
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// // compile down to whatever IE 11 needs
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// const babelPlugin = babel.getBabelOutputPlugin({
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// // babelHelpers: 'bundled',
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// exclude: 'node_modules/**',
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// presets: [
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// [
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// "@babel/preset-env",
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// {
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// useBuiltIns: "entry",
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// corejs: "3.4",
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// targets: "IE 11",
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// // we provide our own promise polyfill (es6-promise)
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// // with support for synchronous flushing of
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// // the queue for idb where needed
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// exclude: ["es.promise", "es.promise.all-settled", "es.promise.finally"]
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// }
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// ]
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// ]
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// });
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// babelPlugin.enforce = "post";
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const projectRootDir = path.resolve(path.join(root, "../../.."));
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const nodeModulesDir = path.join(projectRootDir, "node_modules");
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const defaultFilter = createFilter([], [], {resolve: projectRootDir});
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const transpiledModuleDirs = NODE_MODULES_NEEDING_TRANSPILATION.map(m => {
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return path.join(nodeModulesDir, m);
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});
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const filterModule = id => {
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if (!defaultFilter(id)) {
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return false;
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}
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if (transpiledModuleDirs.some(d => id.startsWith(d))) {
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return true;
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}
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if (id.startsWith(nodeModulesDir)) {
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return false;
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}
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return true;
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};
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// compile down to whatever IE 11 needs
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const babelPlugin = babel({
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babelrc: false,
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filter: filterModule,
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//exclude: 'node_modules/**',
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babelHelpers: 'bundled',
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presets: [
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[
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"@babel/preset-env",
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{
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useBuiltIns: "entry",
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corejs: "3.4",
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targets: "IE 11",
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// we provide our own promise polyfill (es6-promise)
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// with support for synchronous flushing of
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// the queue for idb where needed
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exclude: ["es.promise", "es.promise.all-settled", "es.promise.finally"]
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}
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]
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]
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});
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const resolveEntryPlugin = {
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name: "hydrogen:resolve-legacy-entry",
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resolveId(id, importer) {
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if (id === VIRTUAL_ENTRY) {
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return id;
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} else if (importer === VIRTUAL_ENTRY && id.startsWith("./")) {
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return this.resolve(path.join(root, id));
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}
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},
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load(id) {
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if (id === VIRTUAL_ENTRY) {
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return code;
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}
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},
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};
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const bundle = await build({
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root,
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configFile: false,
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@ -116,48 +157,11 @@ async function buildLegacyChunk(root, chunkName, code) {
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},
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},
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plugins: [
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{
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name: "hydrogen:resolve-legacy-entry",
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resolveId(id, importer) {
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if (id === VIRTUAL_ENTRY) {
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return id;
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} else if (importer === VIRTUAL_ENTRY && id.startsWith("./")) {
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return this.resolve(path.join(root, id));
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}
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},
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load(id) {
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if (id === VIRTUAL_ENTRY) {
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return code;
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}
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},
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}
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resolveEntryPlugin,
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babelPlugin
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]
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});
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const assets = Array.isArray(bundle.output) ? bundle.output : [bundle.output];
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const mainChunk = assets.find(a => a.name === chunkName);
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if (!babel) {
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babel = require('@babel/standalone');
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}
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const {code: babelCode} = babel.transform(mainChunk.code, {
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babelrc: false,
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configFile: false,
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presets: [
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[
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"env",
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{
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useBuiltIns: "usage",
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modules: false,
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corejs: "3.4",
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targets: "IE 11",
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// we provide our own promise polyfill (es6-promise)
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// with support for synchronous flushing of
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// the queue for idb where needed
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exclude: ["es.promise", "es.promise.all-settled", "es.promise.finally"]
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}
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]
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]
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});
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console.log("code", babelCode.length);
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return babelCode;
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return mainChunk.code;
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}
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57
yarn.lock
57
yarn.lock
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@ -226,11 +226,11 @@
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"@babel/types" "^7.11.0"
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"@babel/helper-module-imports@^7.10.4":
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version "7.10.4"
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resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.10.4.tgz#4c5c54be04bd31670a7382797d75b9fa2e5b5620"
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integrity sha512-nEQJHqYavI217oD9+s5MUBzk6x1IlvoS9WTPfgG43CbMEeStE0v+r+TucWdx8KFGowPGvyOkDT9+7DHedIDnVw==
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version "7.16.0"
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resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.16.0.tgz#90538e60b672ecf1b448f5f4f5433d37e79a3ec3"
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integrity sha512-kkH7sWzKPq0xt3H1n+ghb4xEMP8k0U7XV3kkB+ZGy69kDk2ySFW1qPi06sjKzFY3t1j6XbJSqr4mF9L7CYVyhg==
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dependencies:
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"@babel/types" "^7.10.4"
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"@babel/types" "^7.16.0"
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"@babel/helper-module-imports@^7.12.13", "@babel/helper-module-imports@^7.15.4":
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version "7.15.4"
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@ -326,21 +326,16 @@
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dependencies:
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"@babel/types" "^7.15.4"
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"@babel/helper-validator-identifier@^7.10.4":
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version "7.10.4"
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resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz#a78c7a7251e01f616512d31b10adcf52ada5e0d2"
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"@babel/helper-validator-identifier@^7.10.4", "@babel/helper-validator-identifier@^7.14.9", "@babel/helper-validator-identifier@^7.15.7":
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version "7.15.7"
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resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.15.7.tgz#220df993bfe904a4a6b02ab4f3385a5ebf6e2389"
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integrity sha512-K4JvCtQqad9OY2+yTU8w+E82ywk/fe+ELNlt1G8z3bVGlZfn/hOcQQsUhGhW/N+tb3fxK800wLtKOE/aM0m72w==
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"@babel/helper-validator-identifier@^7.14.5":
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version "7.14.9"
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resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.14.9.tgz#6654d171b2024f6d8ee151bf2509699919131d48"
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integrity sha512-pQYxPY0UP6IHISRitNe8bsijHex4TWZXi2HwKVsjPiltzlhse2znVcm9Ace510VT1kxIHjGJCZZQBX2gJDbo0g==
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"@babel/helper-validator-identifier@^7.14.9":
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version "7.15.7"
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resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.15.7.tgz#220df993bfe904a4a6b02ab4f3385a5ebf6e2389"
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integrity sha512-K4JvCtQqad9OY2+yTU8w+E82ywk/fe+ELNlt1G8z3bVGlZfn/hOcQQsUhGhW/N+tb3fxK800wLtKOE/aM0m72w==
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"@babel/helper-validator-option@^7.14.5":
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version "7.14.5"
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resolved "https://registry.yarnpkg.com/@babel/helper-validator-option/-/helper-validator-option-7.14.5.tgz#6e72a1fff18d5dfcb878e1e62f1a021c4b72d5a3"
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@ -992,13 +987,12 @@
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debug "^4.1.0"
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globals "^11.1.0"
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"@babel/types@^7.10.4":
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version "7.11.5"
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resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.11.5.tgz#d9de577d01252d77c6800cee039ee64faf75662d"
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integrity sha512-bvM7Qz6eKnJVFIn+1LPtjlBFPVN5jNDc1XmN15vWe7Q3DPBufWWsLiIvUu7xW87uTG6QoggpIDnUgLQvPheU+Q==
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"@babel/types@^7.10.4", "@babel/types@^7.16.0":
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version "7.16.0"
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resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.16.0.tgz#db3b313804f96aadd0b776c4823e127ad67289ba"
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integrity sha512-PJgg/k3SdLsGb3hhisFvtLOw5ts113klrpLuIPtCJIU+BB24fqq6lf8RWqKJEjzqXR9AEH1rIb5XTqwBHB+kQg==
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dependencies:
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"@babel/helper-validator-identifier" "^7.10.4"
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lodash "^4.17.19"
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"@babel/helper-validator-identifier" "^7.15.7"
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to-fast-properties "^2.0.0"
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"@babel/types@^7.10.5", "@babel/types@^7.11.0", "@babel/types@^7.4.4":
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@ -1195,9 +1189,9 @@
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read-package-json-fast "^2.0.1"
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"@rollup/plugin-babel@^5.1.0":
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version "5.2.1"
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resolved "https://registry.yarnpkg.com/@rollup/plugin-babel/-/plugin-babel-5.2.1.tgz#20fc8f8864dc0eaa1c5578408459606808f72924"
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integrity sha512-Jd7oqFR2dzZJ3NWANDyBjwTtX/lYbZpVcmkHrfQcpvawHs9E4c0nYk5U2mfZ6I/DZcIvy506KZJi54XK/jxH7A==
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version "5.3.0"
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resolved "https://registry.yarnpkg.com/@rollup/plugin-babel/-/plugin-babel-5.3.0.tgz#9cb1c5146ddd6a4968ad96f209c50c62f92f9879"
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integrity sha512-9uIC8HZOnVLrLHxayq/PTzw+uS25E14KPUBh5ktF+18Mjo5yK0ToMMx6epY0uEgkjwJw0aBW4x2horYXh8juWw==
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dependencies:
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"@babel/helper-module-imports" "^7.10.4"
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"@rollup/pluginutils" "^3.1.0"
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@ -1298,6 +1292,14 @@
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estree-walker "^1.0.1"
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picomatch "^2.2.2"
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"@rollup/pluginutils@^4.1.1":
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version "4.1.1"
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resolved "https://registry.yarnpkg.com/@rollup/pluginutils/-/pluginutils-4.1.1.tgz#1d4da86dd4eded15656a57d933fda2b9a08d47ec"
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integrity sha512-clDjivHqWGXi7u+0d2r2sBi4Ie6VLEAzWMIkvJLnDmxoOhBYOTfzGbOQBA32THHm11/LiJbd01tJUpJsbshSWQ==
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dependencies:
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estree-walker "^2.0.1"
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picomatch "^2.2.2"
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"@sindresorhus/is@^4.0.0":
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version "4.0.1"
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resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-4.0.1.tgz#d26729db850fa327b7cacc5522252194404226f5"
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@ -3737,12 +3739,7 @@ lodash@^4.15.0:
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resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
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lodash@^4.17.19:
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version "4.17.20"
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resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
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integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
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lodash@^4.7.0:
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lodash@^4.17.19, lodash@^4.7.0:
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version "4.17.21"
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resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
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integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
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@ -4437,12 +4434,12 @@ picocolors@^0.2.1:
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resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-0.2.1.tgz#570670f793646851d1ba135996962abad587859f"
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picomatch@^2.0.4, picomatch@^2.2.3, picomatch@^2.3.0:
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picomatch@^2.0.4, picomatch@^2.2.2, picomatch@^2.2.3, picomatch@^2.3.0:
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version "2.3.0"
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resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.0.tgz#f1f061de8f6a4bf022892e2d128234fb98302972"
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picomatch@^2.2.1, picomatch@^2.2.2:
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picomatch@^2.2.1:
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version "2.2.2"
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resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
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