diff options
Diffstat (limited to 'node_modules/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/lib')
2 files changed, 67 insertions, 0 deletions
diff --git a/node_modules/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/lib/index.js b/node_modules/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/lib/index.js new file mode 100644 index 00000000..071d9edf --- /dev/null +++ b/node_modules/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/lib/index.js @@ -0,0 +1,66 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var helperPluginUtils = require('@babel/helper-plugin-utils'); +var pluginTransformOptionalChaining = require('@babel/plugin-transform-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)) { + pluginTransformOptionalChaining.transform(path, { + noDocumentAll, + pureGetters + }); + } + } + } + }; +}); + +exports.default = index; +//# sourceMappingURL=index.js.map diff --git a/node_modules/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/lib/index.js.map b/node_modules/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/lib/index.js.map new file mode 100644 index 00000000..417de8d6 --- /dev/null +++ b/node_modules/@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining/lib/index.js.map @@ -0,0 +1 @@ +{"version":3,"file":"index.js","sources":["../src/util.ts","../src/index.ts"],"sourcesContent":["import { skipTransparentExprWrappers } from \"@babel/helper-skip-transparent-expression-wrappers\";\nimport type { NodePath } from \"@babel/traverse\";\nimport { types as t } from \"@babel/core\";\n// https://crbug.com/v8/11558\n\n// check if there is a spread element followed by another argument.\n// (...[], 0) or (...[], ...[])\n\nfunction matchAffectedArguments(argumentNodes: t.CallExpression[\"arguments\"]) {\n const spreadIndex = argumentNodes.findIndex(node => t.isSpreadElement(node));\n return spreadIndex >= 0 && spreadIndex !== argumentNodes.length - 1;\n}\n\n/**\n * Check whether the optional chain is affected by https://crbug.com/v8/11558.\n * This routine MUST not manipulate NodePath\n *\n * @export\n * @param {(NodePath<t.OptionalMemberExpression | t.OptionalCallExpression>)} path\n * @returns {boolean}\n */\nexport function shouldTransform(\n path: NodePath<t.OptionalMemberExpression | t.OptionalCallExpression>,\n): boolean {\n let optionalPath: NodePath<t.Expression> = path;\n const chains: (t.OptionalCallExpression | t.OptionalMemberExpression)[] = [];\n for (;;) {\n if (optionalPath.isOptionalMemberExpression()) {\n chains.push(optionalPath.node);\n optionalPath = skipTransparentExprWrappers(optionalPath.get(\"object\"));\n } else if (optionalPath.isOptionalCallExpression()) {\n chains.push(optionalPath.node);\n optionalPath = skipTransparentExprWrappers(optionalPath.get(\"callee\"));\n } else {\n break;\n }\n }\n for (let i = 0; i < chains.length; i++) {\n const node = chains[i];\n if (\n t.isOptionalCallExpression(node) &&\n matchAffectedArguments(node.arguments)\n ) {\n // f?.(...[], 0)\n if (node.optional) {\n return true;\n }\n // o?.m(...[], 0)\n // when node.optional is false, chains[i + 1] is always well defined\n const callee = chains[i + 1];\n if (t.isOptionalMemberExpression(callee, { optional: true })) {\n return true;\n }\n }\n }\n return false;\n}\n","import { declare } from \"@babel/helper-plugin-utils\";\nimport { transform } from \"@babel/plugin-transform-optional-chaining\";\nimport { shouldTransform } from \"./util.ts\";\nimport type { NodePath } from \"@babel/traverse\";\nimport type * as t from \"@babel/types\";\n\nexport default declare(api => {\n api.assertVersion(7);\n\n const noDocumentAll = api.assumption(\"noDocumentAll\") ?? 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