Revert "Add a new babel transformer for inlining regenerator-runtime per file"

Summary:
This reverts commit e7c1cf5b7d.

Fixes #14838.

Test using the steps in #14838.
Closes https://github.com/facebook/react-native/pull/15584

Reviewed By: jeanlauliac

Differential Revision: D5670640

Pulled By: mjesun

fbshipit-source-id: e7c4c4cfdd0d3142561847aefb35b8a8b33e5ffa
This commit is contained in:
Matt Oakes 2017-08-23 07:47:25 -07:00 committed by Facebook Github Bot
parent dc792690bd
commit 2172bb4acb
3 changed files with 0 additions and 111 deletions

View File

@ -32,7 +32,6 @@ const getPreset = (src, options) => {
'transform-flow-strip-types',
'transform-react-jsx',
'transform-regenerator',
require('../transforms/transform-regenerator-runtime-insertion'),
[
'transform-es2015-modules-commonjs',
{strict: false, allowTopLevelThis: true},

View File

@ -1,109 +0,0 @@
/**
* Copyright (c) 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
const babel = require('babel-core');
const t = babel.types;
const NAME = 'regenerator-runtime';
const REGENERATOR_NOT_NEEDED = 'NOT_NEEDED';
const REGENERATOR_NEEDED = 'NEEDED';
const REGENERATOR_ALREADY_REQUIRED = 'ALREADY_REQUIRED';
function flagState(state) {
if (state !== REGENERATOR_ALREADY_REQUIRED) {
state.regeneratorRequired = REGENERATOR_NEEDED;
}
}
function checkRequire(node, state) {
const method = node.callee.name;
const args = node.arguments;
if (
method === 'require' &&
t.isStringLiteral(args[0]) &&
args[0].value.startsWith(NAME)
) {
state.regeneratorRequired = REGENERATOR_ALREADY_REQUIRED;
}
}
function checkFunction(node, state) {
// Method is neither a generator nor an async function; skip.
if (!node.generator && !node.async) {
return;
}
// This will only set the status to needed if it hasn't already been required.
if (state.regeneratorRequired === REGENERATOR_NOT_NEEDED) {
state.regeneratorRequired = REGENERATOR_NEEDED;
}
}
const isGeneratorRequired = {
CallExpression(path, state) {
checkRequire(path.node, state);
},
FunctionDeclaration(path, state) {
checkFunction(path.node, state);
},
ClassMethod(path, state) {
checkFunction(path.node, state);
},
ArrowFunctionExpression(path, state) {
checkFunction(path.node, state);
},
FunctionExpression(path, state) {
checkFunction(path.node, state);
},
YieldExpression(path, state) {
flagState(state);
},
AwaitExpression(path, state) {
flagState(state);
},
};
/**
* Adds a "const regeneratorRuntime = require('regenerator-runtime') to each
* file that does not include regenerator-runtime, but requires it because it
* contains async/await or generators.
*/
module.exports = function() {
return {
visitor: {
Program(path, state) {
state.regeneratorRequired = REGENERATOR_NOT_NEEDED;
path.traverse(isGeneratorRequired, state);
if (state.regeneratorRequired === REGENERATOR_NEEDED) {
path.node.body.unshift(
t.variableDeclaration('const', [
t.variableDeclarator(
t.identifier('regeneratorRuntime'),
t.callExpression(t.identifier('require'), [
t.stringLiteral(NAME),
])
)
])
);
}
},
},
};
};

View File

@ -73,7 +73,6 @@
],
"unmockedModulePathPatterns": [
"node_modules/react/",
"node_modules/regenerator-runtime/",
"Libraries/Renderer",
"promise",
"source-map",