shift73k/assets_old/node_modules/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/lib/index.js

75 lines
2.1 KiB
JavaScript
Raw Normal View History

'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 = [];
while (optionalPath.isOptionalMemberExpression() || optionalPath.isOptionalCallExpression()) {
const {
node
} = optionalPath;
chains.push(node);
if (optionalPath.isOptionalMemberExpression()) {
optionalPath = helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers(optionalPath.get("object"));
} else if (optionalPath.isOptionalCallExpression()) {
optionalPath = helperSkipTransparentExpressionWrappers.skipTransparentExprWrappers(optionalPath.get("callee"));
}
}
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 => {
api.assertVersion(7);
const noDocumentAll = api.assumption("noDocumentAll");
const pureGetters = api.assumption("pureGetters");
return {
name: "bugfix-v8-spread-parameters-in-optional-chaining",
visitor: {
"OptionalCallExpression|OptionalMemberExpression"(path) {
if (shouldTransform(path)) {
pluginProposalOptionalChaining.transform(path, {
noDocumentAll,
pureGetters
});
}
}
}
};
});
exports.default = index;
//# sourceMappingURL=index.js.map