Innovenergy_trunk/frontend/node_modules/@babel/plugin-bugfix-v8-spread-par.../lib/index.js

68 lines
2.2 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var helperPluginUtils = require('@babel/helper-plugin-utils');
var pluginProposalOptionalChaining = require('@babel/plugin-proposal-optional-chaining');
var helperSkipTransparentExpressionWrappers = require('@babel/helper-skip-transparent-expression-wrappers');
var core = require('@babel/core');
function matchAffectedArguments(argumentNodes) {
const spreadIndex = argumentNodes.findIndex(node => core.types.isSpreadElement(node));
return spreadIndex >= 0 && spreadIndex !== argumentNodes.length - 1;
}
function shouldTransform(path) {
let optionalPath = path;
const chains = [];
for (;;) {
if (optionalPath.isOptionalMemberExpression()) {
chains.push(optionalPath.node);
optionalPath = helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers(optionalPath.get("object"));
} else if (optionalPath.isOptionalCallExpression()) {
chains.push(optionalPath.node);
optionalPath = helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers(optionalPath.get("callee"));
} else {
break;
}
}
for (let i = 0; i < chains.length; i++) {
const node = chains[i];
if (core.types.isOptionalCallExpression(node) && matchAffectedArguments(node.arguments)) {
if (node.optional) {
return true;
}
const callee = chains[i + 1];
if (core.types.isOptionalMemberExpression(callee, {
optional: true
})) {
return true;
}
}
}
return false;
}
var index = helperPluginUtils.declare(api => {
var _api$assumption, _api$assumption2;
api.assertVersion(7);
const noDocumentAll = (_api$assumption = api.assumption("noDocumentAll")) != null ? _api$assumption : false;
const pureGetters = (_api$assumption2 = api.assumption("pureGetters")) != null ? _api$assumption2 : false;
return {
name: "bugfix-v8-spread-parameters-in-optional-chaining",
visitor: {
"OptionalCallExpression|OptionalMemberExpression"(path) {
if (shouldTransform(path)) {
pluginProposalOptionalChaining.transform(path, {
noDocumentAll,
pureGetters
});
}
}
}
};
});
exports["default"] = index;
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