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