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Consider rest params for array pattern in exports.

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This commit is contained in:
Artem Yavorsky 2017-03-18 16:02:06 +02:00
parent 06f67e1ad3
commit b608e28aa7
7 changed files with 23 additions and 10 deletions
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16
packages/babel-plugin-transform-es2015-modules-commonjs/src/index.js
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@ -321,15 +321,15 @@ export default function () {
for (let i = 0; i < id.node.elements.length; i++) {
let elem = id.node.elements[i];
if (!elem) continue;
if (!t.isRestElement(elem)) {
if (t.isAssignmentPattern(elem)) {
elem = elem.left;
}
const name = elem.name;
addTo(exports, name, elem);
exportsToInsert.push(buildExportsAssignment(elem, elem));
nonHoistedExportNames[name] = true;
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);

1
packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/strict/export-const-destructuring-array-default-params/actual.js vendored Normal file
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@ -0,0 +1 @@
export const [foo, bar = 2] = [];

5
packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/strict/export-const-destructuring-array-default-params/expected.js vendored Normal file
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@ -0,0 +1,5 @@
"use strict";
const [foo, bar = 2] = [];
exports.foo = foo;
exports.bar = bar;

1
packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/strict/export-const-destructuring-array-rest/actual.js vendored Normal file
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@ -0,0 +1 @@
export const [foo, bar, ...baz] = [];

6
packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/strict/export-const-destructuring-array-rest/expected.js vendored Normal file
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@ -0,0 +1,6 @@
"use strict";
const [foo, bar, ...baz] = [];
exports.foo = foo;
exports.bar = bar;
exports.bar = baz;

2
packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/strict/export-const-destructuring-array/actual.js vendored
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@ -1 +1 @@
export const [foo, bar = 2] = [1];
export const [foo, bar] = [];

2
packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/strict/export-const-destructuring-array/expected.js vendored
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@ -1,5 +1,5 @@
"use strict";
const [foo, bar = 2] = [1];
const [foo, bar] = [];
exports.foo = foo;
exports.bar = bar;