Remove object-rest-spread syntax.
This commit is contained in:
Artem Yavorsky
parent
70354013f1
commit
ddfb6f2c44
@ -9,14 +9,12 @@
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"babel-types": "^6.23.0",
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"babel-types": "^6.23.0",
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"babel-runtime": "^6.22.0",
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"babel-runtime": "^6.22.0",
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"babel-template": "^6.23.0",
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"babel-template": "^6.23.0",
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"babel-plugin-transform-strict-mode": "^6.22.0",
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"babel-plugin-transform-strict-mode": "^6.22.0"
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"babel-plugin-syntax-object-rest-spread": "^6.13.0"
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},
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},
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"keywords": [
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"keywords": [
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"babel-plugin"
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"babel-plugin"
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],
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],
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"devDependencies": {
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"devDependencies": {
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"babel-plugin-transform-object-assign": "6.22.0",
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"babel-helper-plugin-test-runner": "^6.24.0"
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"babel-helper-plugin-test-runner": "^6.24.0"
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}
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}
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}
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}
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@ -1,6 +1,5 @@
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import { basename, extname } from "path";
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import { basename, extname } from "path";
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import template from "babel-template";
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import template from "babel-template";
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import babelPluginSyntaxObjectRestSpread from "babel-plugin-syntax-object-rest-spread";
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import babelPluginTransformStrictMode from "babel-plugin-transform-strict-mode";
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import babelPluginTransformStrictMode from "babel-plugin-transform-strict-mode";
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import * as t from "babel-types";
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import * as t from "babel-types";
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@ -129,287 +128,316 @@ export default function () {
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}
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}
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};
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};
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return Object.assign(
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return {
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{
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inherits: babelPluginTransformStrictMode,
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inherits: babelPluginTransformStrictMode,
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visitor: {
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visitor: {
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ThisExpression(path, state) {
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ThisExpression(path, state) {
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// If other plugins run after this plugin's Program#exit handler, we allow them to
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// If other plugins run after this plugin's Program#exit handler, we allow them to
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// insert top-level `this` values. This allows the AMD and UMD plugins to
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// insert top-level `this` values. This allows the AMD and UMD plugins to
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// function properly.
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// function properly.
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if (this.ranCommonJS) return;
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if (this.ranCommonJS) return;
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if (
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if (
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state.opts.allowTopLevelThis !== true &&
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state.opts.allowTopLevelThis !== true &&
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!path.findParent((path) => !path.is("shadow") &&
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!path.findParent((path) => !path.is("shadow") &&
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THIS_BREAK_KEYS.indexOf(path.type) >= 0)
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THIS_BREAK_KEYS.indexOf(path.type) >= 0)
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) {
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) {
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path.replaceWith(t.identifier("undefined"));
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path.replaceWith(t.identifier("undefined"));
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}
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},
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Program: {
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exit(path) {
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this.ranCommonJS = true;
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const strict = !!this.opts.strict;
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const noInterop = !!this.opts.noInterop;
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const { scope } = path;
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// rename these commonjs variables if they're declared in the file
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scope.rename("module");
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scope.rename("exports");
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scope.rename("require");
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let hasExports = false;
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let hasImports = false;
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const body: Array<Object> = path.get("body");
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const imports = Object.create(null);
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const exports = Object.create(null);
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const nonHoistedExportNames = Object.create(null);
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const topNodes = [];
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const remaps = Object.create(null);
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const requires = Object.create(null);
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function addRequire(source, blockHoist) {
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const cached = requires[source];
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if (cached) return cached;
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const ref = path.scope.generateUidIdentifier(basename(source, extname(source)));
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const varDecl = t.variableDeclaration("var", [
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t.variableDeclarator(ref, buildRequire(
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t.stringLiteral(source)
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).expression)
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]);
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// Copy location from the original import statement for sourcemap
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// generation.
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if (imports[source]) {
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varDecl.loc = imports[source].loc;
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}
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if (typeof blockHoist === "number" && blockHoist > 0) {
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varDecl._blockHoist = blockHoist;
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}
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topNodes.push(varDecl);
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return requires[source] = ref;
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}
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}
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},
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Program: {
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function addTo(obj, key, arr) {
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exit(path) {
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const existing = obj[key] || [];
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this.ranCommonJS = true;
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obj[key] = existing.concat(arr);
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}
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const strict = !!this.opts.strict;
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for (const path of body) {
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const noInterop = !!this.opts.noInterop;
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if (path.isExportDeclaration()) {
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hasExports = true;
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const { scope } = path;
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const specifiers = [].concat(path.get("declaration"), path.get("specifiers"));
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for (const specifier of specifiers) {
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// rename these commonjs variables if they're declared in the file
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const ids = specifier.getBindingIdentifiers();
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scope.rename("module");
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if (ids.__esModule) {
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scope.rename("exports");
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throw specifier.buildCodeFrameError("Illegal export \"__esModule\"");
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scope.rename("require");
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let hasExports = false;
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let hasImports = false;
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const body: Array<Object> = path.get("body");
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const imports = Object.create(null);
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const exports = Object.create(null);
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const nonHoistedExportNames = Object.create(null);
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const topNodes = [];
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const remaps = Object.create(null);
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const requires = Object.create(null);
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function addRequire(source, blockHoist) {
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const cached = requires[source];
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if (cached) return cached;
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const ref = path.scope.generateUidIdentifier(basename(source, extname(source)));
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const varDecl = t.variableDeclaration("var", [
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t.variableDeclarator(ref, buildRequire(
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t.stringLiteral(source)
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).expression)
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]);
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// Copy location from the original import statement for sourcemap
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// generation.
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if (imports[source]) {
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varDecl.loc = imports[source].loc;
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}
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if (typeof blockHoist === "number" && blockHoist > 0) {
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varDecl._blockHoist = blockHoist;
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}
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topNodes.push(varDecl);
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return requires[source] = ref;
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}
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function addTo(obj, key, arr) {
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const existing = obj[key] || [];
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obj[key] = existing.concat(arr);
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}
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for (const path of body) {
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if (path.isExportDeclaration()) {
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hasExports = true;
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const specifiers = [].concat(path.get("declaration"), path.get("specifiers"));
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for (const specifier of specifiers) {
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const ids = specifier.getBindingIdentifiers();
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if (ids.__esModule) {
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throw specifier.buildCodeFrameError("Illegal export \"__esModule\"");
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}
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}
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}
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}
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}
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}
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if (path.isImportDeclaration()) {
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if (path.isImportDeclaration()) {
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hasImports = true;
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hasImports = true;
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const key = path.node.source.value;
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const key = path.node.source.value;
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const importsEntry = imports[key] || {
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const importsEntry = imports[key] || {
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specifiers: [],
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specifiers: [],
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maxBlockHoist: 0,
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maxBlockHoist: 0,
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loc: path.node.loc,
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loc: path.node.loc,
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};
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};
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importsEntry.specifiers.push(...path.node.specifiers);
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importsEntry.specifiers.push(...path.node.specifiers);
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if (typeof path.node._blockHoist === "number") {
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if (typeof path.node._blockHoist === "number") {
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importsEntry.maxBlockHoist = Math.max(
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importsEntry.maxBlockHoist = Math.max(
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path.node._blockHoist,
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path.node._blockHoist,
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importsEntry.maxBlockHoist
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importsEntry.maxBlockHoist
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);
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);
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}
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}
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imports[key] = importsEntry;
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imports[key] = importsEntry;
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path.remove();
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path.remove();
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} else if (path.isExportDefaultDeclaration()) {
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} else if (path.isExportDefaultDeclaration()) {
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const declaration = path.get("declaration");
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const declaration = path.get("declaration");
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if (declaration.isFunctionDeclaration()) {
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if (declaration.isFunctionDeclaration()) {
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const id = declaration.node.id;
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const id = declaration.node.id;
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const defNode = t.identifier("default");
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const defNode = t.identifier("default");
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if (id) {
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if (id) {
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addTo(exports, id.name, defNode);
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addTo(exports, id.name, defNode);
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topNodes.push(buildExportsAssignment(defNode, id));
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topNodes.push(buildExportsAssignment(defNode, id));
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path.replaceWith(declaration.node);
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path.replaceWith(declaration.node);
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} else {
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topNodes.push(buildExportsAssignment(defNode, t.toExpression(declaration.node)));
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path.remove();
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}
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} else if (declaration.isClassDeclaration()) {
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const id = declaration.node.id;
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const defNode = t.identifier("default");
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if (id) {
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addTo(exports, id.name, defNode);
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path.replaceWithMultiple([
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declaration.node,
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buildExportsAssignment(defNode, id)
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]);
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} else {
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path.replaceWith(buildExportsAssignment(defNode, t.toExpression(declaration.node)));
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// Manualy re-queue `export default class {}` expressions so that the ES3 transform
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// has an opportunity to convert them. Ideally this would happen automatically from the
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// replaceWith above. See #4140 for more info.
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path.parentPath.requeue(path.get("expression.left"));
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}
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} else {
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} else {
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path.replaceWith(buildExportsAssignment(t.identifier("default"), declaration.node));
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topNodes.push(buildExportsAssignment(defNode, t.toExpression(declaration.node)));
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path.remove();
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}
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} else if (declaration.isClassDeclaration()) {
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const id = declaration.node.id;
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const defNode = t.identifier("default");
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if (id) {
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addTo(exports, id.name, defNode);
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path.replaceWithMultiple([
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declaration.node,
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buildExportsAssignment(defNode, id)
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]);
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} else {
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path.replaceWith(buildExportsAssignment(defNode, t.toExpression(declaration.node)));
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// Manualy re-queue `export default foo;` expressions so that the ES3 transform
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// Manualy re-queue `export default class {}` expressions so that the ES3 transform
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// has an opportunity to convert them. Ideally this would happen automatically from the
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// has an opportunity to convert them. Ideally this would happen automatically from the
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// replaceWith above. See #4140 for more info.
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// replaceWith above. See #4140 for more info.
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path.parentPath.requeue(path.get("expression.left"));
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path.parentPath.requeue(path.get("expression.left"));
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}
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}
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} else if (path.isExportNamedDeclaration()) {
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} else {
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const declaration = path.get("declaration");
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path.replaceWith(buildExportsAssignment(t.identifier("default"), declaration.node));
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if (declaration.node) {
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if (declaration.isFunctionDeclaration()) {
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const id = declaration.node.id;
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addTo(exports, id.name, id);
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topNodes.push(buildExportsAssignment(id, id));
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path.replaceWith(declaration.node);
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} else if (declaration.isClassDeclaration()) {
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const id = declaration.node.id;
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addTo(exports, id.name, id);
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path.replaceWithMultiple([
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declaration.node,
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buildExportsAssignment(id, id)
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]);
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nonHoistedExportNames[id.name] = true;
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} else if (declaration.isVariableDeclaration()) {
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const declarators = declaration.get("declarations");
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for (const decl of declarators) {
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const id = decl.get("id");
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const init = decl.get("init");
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// Manualy re-queue `export default foo;` expressions so that the ES3 transform
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const exportsToInsert = [];
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// has an opportunity to convert them. Ideally this would happen automatically from the
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if (!init.node) init.replaceWith(t.identifier("undefined"));
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// replaceWith above. See #4140 for more info.
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path.parentPath.requeue(path.get("expression.left"));
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if (id.isIdentifier()) {
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addTo(exports, id.node.name, id.node);
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init.replaceWith(buildExportsAssignment(id.node, init.node).expression);
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nonHoistedExportNames[id.node.name] = true;
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} else if (id.isObjectPattern()) {
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for (let i = 0; i < id.node.properties.length; i++) {
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const prop = id.node.properties[i];
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let propValue = prop.value;
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if (t.isAssignmentPattern(propValue)) {
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propValue = propValue.left;
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} else if (t.isRestProperty(prop)) {
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propValue = prop.argument;
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}
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addTo(exports, propValue.name, propValue);
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exportsToInsert.push(buildExportsAssignment(propValue, propValue));
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nonHoistedExportNames[propValue.name] = true;
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}
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} else if (id.isArrayPattern() && id.node.elements) {
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for (let i = 0; i < id.node.elements.length; i++) {
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let elem = id.node.elements[i];
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if (!elem) continue;
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if (t.isAssignmentPattern(elem)) {
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elem = elem.left;
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} else if (t.isRestElement(elem)) {
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elem = elem.argument;
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}
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const name = elem.name;
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addTo(exports, name, elem);
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exportsToInsert.push(buildExportsAssignment(elem, elem));
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nonHoistedExportNames[name] = true;
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}
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}
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path.insertAfter(exportsToInsert);
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}
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path.replaceWith(declaration.node);
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}
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continue;
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}
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const specifiers = path.get("specifiers");
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const nodes = [];
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const source = path.node.source;
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if (source) {
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const ref = addRequire(source.value, path.node._blockHoist);
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for (const specifier of specifiers) {
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if (specifier.isExportNamespaceSpecifier()) {
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// todo
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} else if (specifier.isExportDefaultSpecifier()) {
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// todo
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} else if (specifier.isExportSpecifier()) {
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if (!noInterop && specifier.node.local.name === "default") {
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topNodes.push(buildExportsFrom(t.stringLiteral(specifier.node.exported.name),
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t.memberExpression(
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t.callExpression(this.addHelper("interopRequireDefault"), [ref]),
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specifier.node.local
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)
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));
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} else {
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topNodes.push(buildExportsFrom(t.stringLiteral(specifier.node.exported.name),
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t.memberExpression(ref, specifier.node.local)));
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}
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nonHoistedExportNames[specifier.node.exported.name] = true;
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}
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}
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} else {
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for (const specifier of specifiers) {
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if (specifier.isExportSpecifier()) {
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addTo(exports, specifier.node.local.name, specifier.node.exported);
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nonHoistedExportNames[specifier.node.exported.name] = true;
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nodes.push(buildExportsAssignment(specifier.node.exported, specifier.node.local));
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}
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}
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}
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path.replaceWithMultiple(nodes);
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|
||||||
} else if (path.isExportAllDeclaration()) {
|
|
||||||
const exportNode = buildExportAll({
|
|
||||||
OBJECT: addRequire(path.node.source.value, path.node._blockHoist)
|
|
||||||
});
|
|
||||||
exportNode.loc = path.node.loc;
|
|
||||||
topNodes.push(exportNode);
|
|
||||||
path.remove();
|
|
||||||
}
|
}
|
||||||
}
|
} else if (path.isExportNamedDeclaration()) {
|
||||||
|
const declaration = path.get("declaration");
|
||||||
|
if (declaration.node) {
|
||||||
|
if (declaration.isFunctionDeclaration()) {
|
||||||
|
const id = declaration.node.id;
|
||||||
|
addTo(exports, id.name, id);
|
||||||
|
topNodes.push(buildExportsAssignment(id, id));
|
||||||
|
path.replaceWith(declaration.node);
|
||||||
|
} else if (declaration.isClassDeclaration()) {
|
||||||
|
const id = declaration.node.id;
|
||||||
|
addTo(exports, id.name, id);
|
||||||
|
path.replaceWithMultiple([
|
||||||
|
declaration.node,
|
||||||
|
buildExportsAssignment(id, id)
|
||||||
|
]);
|
||||||
|
nonHoistedExportNames[id.name] = true;
|
||||||
|
} else if (declaration.isVariableDeclaration()) {
|
||||||
|
const declarators = declaration.get("declarations");
|
||||||
|
for (const decl of declarators) {
|
||||||
|
const id = decl.get("id");
|
||||||
|
|
||||||
for (const source in imports) {
|
const init = decl.get("init");
|
||||||
const { specifiers, maxBlockHoist } = imports[source];
|
const exportsToInsert = [];
|
||||||
if (specifiers.length) {
|
if (!init.node) init.replaceWith(t.identifier("undefined"));
|
||||||
const uid = addRequire(source, maxBlockHoist);
|
|
||||||
|
|
||||||
let wildcard;
|
if (id.isIdentifier()) {
|
||||||
|
addTo(exports, id.node.name, id.node);
|
||||||
|
init.replaceWith(buildExportsAssignment(id.node, init.node).expression);
|
||||||
|
nonHoistedExportNames[id.node.name] = true;
|
||||||
|
} else if (id.isObjectPattern()) {
|
||||||
|
for (let i = 0; i < id.node.properties.length; i++) {
|
||||||
|
const prop = id.node.properties[i];
|
||||||
|
let propValue = prop.value;
|
||||||
|
if (t.isAssignmentPattern(propValue)) {
|
||||||
|
propValue = propValue.left;
|
||||||
|
} else if (t.isRestProperty(prop)) {
|
||||||
|
propValue = prop.argument;
|
||||||
|
}
|
||||||
|
addTo(exports, propValue.name, propValue);
|
||||||
|
exportsToInsert.push(buildExportsAssignment(propValue, propValue));
|
||||||
|
nonHoistedExportNames[propValue.name] = true;
|
||||||
|
}
|
||||||
|
} else if (id.isArrayPattern() && id.node.elements) {
|
||||||
|
for (let i = 0; i < id.node.elements.length; i++) {
|
||||||
|
let elem = id.node.elements[i];
|
||||||
|
if (!elem) continue;
|
||||||
|
if (t.isAssignmentPattern(elem)) {
|
||||||
|
elem = elem.left;
|
||||||
|
} else if (t.isRestElement(elem)) {
|
||||||
|
elem = elem.argument;
|
||||||
|
}
|
||||||
|
const name = elem.name;
|
||||||
|
addTo(exports, name, elem);
|
||||||
|
exportsToInsert.push(buildExportsAssignment(elem, elem));
|
||||||
|
nonHoistedExportNames[name] = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
path.insertAfter(exportsToInsert);
|
||||||
|
}
|
||||||
|
path.replaceWith(declaration.node);
|
||||||
|
}
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
for (let i = 0; i < specifiers.length; i++) {
|
const specifiers = path.get("specifiers");
|
||||||
const specifier = specifiers[i];
|
const nodes = [];
|
||||||
if (t.isImportNamespaceSpecifier(specifier)) {
|
const source = path.node.source;
|
||||||
if (strict || noInterop) {
|
if (source) {
|
||||||
remaps[specifier.local.name] = uid;
|
const ref = addRequire(source.value, path.node._blockHoist);
|
||||||
|
|
||||||
|
for (const specifier of specifiers) {
|
||||||
|
if (specifier.isExportNamespaceSpecifier()) {
|
||||||
|
// todo
|
||||||
|
} else if (specifier.isExportDefaultSpecifier()) {
|
||||||
|
// todo
|
||||||
|
} else if (specifier.isExportSpecifier()) {
|
||||||
|
if (!noInterop && specifier.node.local.name === "default") {
|
||||||
|
topNodes.push(buildExportsFrom(t.stringLiteral(specifier.node.exported.name),
|
||||||
|
t.memberExpression(
|
||||||
|
t.callExpression(this.addHelper("interopRequireDefault"), [ref]),
|
||||||
|
specifier.node.local
|
||||||
|
)
|
||||||
|
));
|
||||||
} else {
|
} else {
|
||||||
|
topNodes.push(buildExportsFrom(t.stringLiteral(specifier.node.exported.name),
|
||||||
|
t.memberExpression(ref, specifier.node.local)));
|
||||||
|
}
|
||||||
|
nonHoistedExportNames[specifier.node.exported.name] = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
for (const specifier of specifiers) {
|
||||||
|
if (specifier.isExportSpecifier()) {
|
||||||
|
addTo(exports, specifier.node.local.name, specifier.node.exported);
|
||||||
|
nonHoistedExportNames[specifier.node.exported.name] = true;
|
||||||
|
nodes.push(buildExportsAssignment(specifier.node.exported, specifier.node.local));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
path.replaceWithMultiple(nodes);
|
||||||
|
} else if (path.isExportAllDeclaration()) {
|
||||||
|
const exportNode = buildExportAll({
|
||||||
|
OBJECT: addRequire(path.node.source.value, path.node._blockHoist)
|
||||||
|
});
|
||||||
|
exportNode.loc = path.node.loc;
|
||||||
|
topNodes.push(exportNode);
|
||||||
|
path.remove();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
for (const source in imports) {
|
||||||
|
const { specifiers, maxBlockHoist } = imports[source];
|
||||||
|
if (specifiers.length) {
|
||||||
|
const uid = addRequire(source, maxBlockHoist);
|
||||||
|
|
||||||
|
let wildcard;
|
||||||
|
|
||||||
|
for (let i = 0; i < specifiers.length; i++) {
|
||||||
|
const specifier = specifiers[i];
|
||||||
|
if (t.isImportNamespaceSpecifier(specifier)) {
|
||||||
|
if (strict || noInterop) {
|
||||||
|
remaps[specifier.local.name] = uid;
|
||||||
|
} else {
|
||||||
|
const varDecl = t.variableDeclaration("var", [
|
||||||
|
t.variableDeclarator(
|
||||||
|
specifier.local,
|
||||||
|
t.callExpression(
|
||||||
|
this.addHelper("interopRequireWildcard"),
|
||||||
|
[uid]
|
||||||
|
)
|
||||||
|
)
|
||||||
|
]);
|
||||||
|
|
||||||
|
if (maxBlockHoist > 0) {
|
||||||
|
varDecl._blockHoist = maxBlockHoist;
|
||||||
|
}
|
||||||
|
|
||||||
|
topNodes.push(varDecl);
|
||||||
|
}
|
||||||
|
wildcard = specifier.local;
|
||||||
|
} else if (t.isImportDefaultSpecifier(specifier)) {
|
||||||
|
specifiers[i] = t.importSpecifier(specifier.local, t.identifier("default"));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
for (const specifier of specifiers) {
|
||||||
|
if (t.isImportSpecifier(specifier)) {
|
||||||
|
let target = uid;
|
||||||
|
if (specifier.imported.name === "default") {
|
||||||
|
if (wildcard) {
|
||||||
|
target = wildcard;
|
||||||
|
} else if (!noInterop) {
|
||||||
|
target = wildcard = path.scope.generateUidIdentifier(uid.name);
|
||||||
const varDecl = t.variableDeclaration("var", [
|
const varDecl = t.variableDeclaration("var", [
|
||||||
t.variableDeclarator(
|
t.variableDeclarator(
|
||||||
specifier.local,
|
target,
|
||||||
t.callExpression(
|
t.callExpression(
|
||||||
this.addHelper("interopRequireWildcard"),
|
this.addHelper("interopRequireDefault"),
|
||||||
[uid]
|
[uid]
|
||||||
)
|
)
|
||||||
)
|
)
|
||||||
@ -421,100 +449,68 @@ export default function () {
|
|||||||
|
|
||||||
topNodes.push(varDecl);
|
topNodes.push(varDecl);
|
||||||
}
|
}
|
||||||
wildcard = specifier.local;
|
|
||||||
} else if (t.isImportDefaultSpecifier(specifier)) {
|
|
||||||
specifiers[i] = t.importSpecifier(specifier.local, t.identifier("default"));
|
|
||||||
}
|
}
|
||||||
|
remaps[specifier.local.name] = t.memberExpression(target,
|
||||||
|
t.cloneWithoutLoc(specifier.imported));
|
||||||
}
|
}
|
||||||
|
|
||||||
for (const specifier of specifiers) {
|
|
||||||
if (t.isImportSpecifier(specifier)) {
|
|
||||||
let target = uid;
|
|
||||||
if (specifier.imported.name === "default") {
|
|
||||||
if (wildcard) {
|
|
||||||
target = wildcard;
|
|
||||||
} else if (!noInterop) {
|
|
||||||
target = wildcard = path.scope.generateUidIdentifier(uid.name);
|
|
||||||
const varDecl = t.variableDeclaration("var", [
|
|
||||||
t.variableDeclarator(
|
|
||||||
target,
|
|
||||||
t.callExpression(
|
|
||||||
this.addHelper("interopRequireDefault"),
|
|
||||||
[uid]
|
|
||||||
)
|
|
||||||
)
|
|
||||||
]);
|
|
||||||
|
|
||||||
if (maxBlockHoist > 0) {
|
|
||||||
varDecl._blockHoist = maxBlockHoist;
|
|
||||||
}
|
|
||||||
|
|
||||||
topNodes.push(varDecl);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
remaps[specifier.local.name] = t.memberExpression(target,
|
|
||||||
t.cloneWithoutLoc(specifier.imported));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
// bare import
|
|
||||||
const requireNode = buildRequire(t.stringLiteral(source));
|
|
||||||
requireNode.loc = imports[source].loc;
|
|
||||||
topNodes.push(requireNode);
|
|
||||||
}
|
}
|
||||||
|
} else {
|
||||||
|
// bare import
|
||||||
|
const requireNode = buildRequire(t.stringLiteral(source));
|
||||||
|
requireNode.loc = imports[source].loc;
|
||||||
|
topNodes.push(requireNode);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (hasImports && Object.keys(nonHoistedExportNames).length) {
|
|
||||||
|
|
||||||
// avoid creating too long of export assignment to prevent stack overflow
|
|
||||||
const maxHoistedExportsNodeAssignmentLength = 100;
|
|
||||||
const nonHoistedExportNamesArr = Object.keys(nonHoistedExportNames);
|
|
||||||
|
|
||||||
for (
|
|
||||||
let currentExportsNodeAssignmentLength = 0;
|
|
||||||
currentExportsNodeAssignmentLength < nonHoistedExportNamesArr.length;
|
|
||||||
currentExportsNodeAssignmentLength += maxHoistedExportsNodeAssignmentLength
|
|
||||||
) {
|
|
||||||
const nonHoistedExportNamesChunk = nonHoistedExportNamesArr.slice(
|
|
||||||
currentExportsNodeAssignmentLength,
|
|
||||||
currentExportsNodeAssignmentLength + maxHoistedExportsNodeAssignmentLength);
|
|
||||||
|
|
||||||
let hoistedExportsNode = t.identifier("undefined");
|
|
||||||
|
|
||||||
nonHoistedExportNamesChunk.forEach(function (name) {
|
|
||||||
hoistedExportsNode = buildExportsAssignment(t.identifier(name), hoistedExportsNode)
|
|
||||||
.expression;
|
|
||||||
});
|
|
||||||
|
|
||||||
const node = t.expressionStatement(hoistedExportsNode);
|
|
||||||
node._blockHoist = 3;
|
|
||||||
|
|
||||||
topNodes.unshift(node);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// add __esModule declaration if this file has any exports
|
|
||||||
if (hasExports && !strict) {
|
|
||||||
let buildTemplate = buildExportsModuleDeclaration;
|
|
||||||
if (this.opts.loose) buildTemplate = buildLooseExportsModuleDeclaration;
|
|
||||||
|
|
||||||
const declar = buildTemplate();
|
|
||||||
declar._blockHoist = 3;
|
|
||||||
|
|
||||||
topNodes.unshift(declar);
|
|
||||||
}
|
|
||||||
|
|
||||||
path.unshiftContainer("body", topNodes);
|
|
||||||
path.traverse(reassignmentVisitor, {
|
|
||||||
remaps,
|
|
||||||
scope,
|
|
||||||
exports,
|
|
||||||
requeueInParent: (newPath) => path.requeue(newPath),
|
|
||||||
});
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if (hasImports && Object.keys(nonHoistedExportNames).length) {
|
||||||
|
|
||||||
|
// avoid creating too long of export assignment to prevent stack overflow
|
||||||
|
const maxHoistedExportsNodeAssignmentLength = 100;
|
||||||
|
const nonHoistedExportNamesArr = Object.keys(nonHoistedExportNames);
|
||||||
|
|
||||||
|
for (
|
||||||
|
let currentExportsNodeAssignmentLength = 0;
|
||||||
|
currentExportsNodeAssignmentLength < nonHoistedExportNamesArr.length;
|
||||||
|
currentExportsNodeAssignmentLength += maxHoistedExportsNodeAssignmentLength
|
||||||
|
) {
|
||||||
|
const nonHoistedExportNamesChunk = nonHoistedExportNamesArr.slice(
|
||||||
|
currentExportsNodeAssignmentLength,
|
||||||
|
currentExportsNodeAssignmentLength + maxHoistedExportsNodeAssignmentLength);
|
||||||
|
|
||||||
|
let hoistedExportsNode = t.identifier("undefined");
|
||||||
|
|
||||||
|
nonHoistedExportNamesChunk.forEach(function (name) {
|
||||||
|
hoistedExportsNode = buildExportsAssignment(t.identifier(name), hoistedExportsNode)
|
||||||
|
.expression;
|
||||||
|
});
|
||||||
|
|
||||||
|
const node = t.expressionStatement(hoistedExportsNode);
|
||||||
|
node._blockHoist = 3;
|
||||||
|
|
||||||
|
topNodes.unshift(node);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// add __esModule declaration if this file has any exports
|
||||||
|
if (hasExports && !strict) {
|
||||||
|
let buildTemplate = buildExportsModuleDeclaration;
|
||||||
|
if (this.opts.loose) buildTemplate = buildLooseExportsModuleDeclaration;
|
||||||
|
|
||||||
|
const declar = buildTemplate();
|
||||||
|
declar._blockHoist = 3;
|
||||||
|
|
||||||
|
topNodes.unshift(declar);
|
||||||
|
}
|
||||||
|
|
||||||
|
path.unshiftContainer("body", topNodes);
|
||||||
|
path.traverse(reassignmentVisitor, {
|
||||||
|
remaps,
|
||||||
|
scope,
|
||||||
|
exports,
|
||||||
|
requeueInParent: (newPath) => path.requeue(newPath),
|
||||||
|
});
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
},
|
}
|
||||||
babelPluginSyntaxObjectRestSpread()
|
};
|
||||||
);
|
|
||||||
}
|
}
|
||||||
|
|||||||
@ -1 +0,0 @@
|
|||||||
export const { foo, ...bar } = {};
|
|
||||||
@ -1,5 +0,0 @@
|
|||||||
"use strict";
|
|
||||||
|
|
||||||
const { foo, ...bar } = {};
|
|
||||||
exports.foo = foo;
|
|
||||||
exports.bar = bar;
|
|
||||||
Loading…
x
Reference in New Issue
Block a user