@babel/plugin-transform-parameters
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@babel/plugin-transform-parameters - npm Package Compare versions
Comparing version 7.18.8 to 7.20.1
@@ -13,12 +13,7 @@ "use strict"; | ||
| exports.default = void 0; | ||
| var _helperPluginUtils = require("@babel/helper-plugin-utils"); | ||
| var _params = require("./params"); | ||
| var _rest = require("./rest"); | ||
| var _default = (0, _helperPluginUtils.declare)((api, options) => { | ||
| var _api$assumption, _api$assumption2; | ||
| api.assertVersion(7); | ||
@@ -35,8 +30,7 @@ const ignoreFunctionLength = (_api$assumption = api.assumption("ignoreFunctionLength")) != null ? _api$assumption : options.loose; | ||
| }); | ||
| if (!path.isFunctionExpression()) return; | ||
| } | ||
| const convertedRest = (0, _rest.default)(path); | ||
| const convertedParams = (0, _params.default)(path, ignoreFunctionLength); | ||
| if (convertedRest || convertedParams) { | ||
@@ -46,7 +40,7 @@ path.scope.crawl(); | ||
| } | ||
| } | ||
| }; | ||
| }); | ||
| exports.default = _default; | ||
| exports.default = _default; | ||
| //# sourceMappingURL=index.js.map |
@@ -7,7 +7,4 @@ "use strict"; | ||
| exports.default = convertFunctionParams; | ||
| var _core = require("@babel/core"); | ||
| var _shadowUtils = require("./shadow-utils"); | ||
| const buildDefaultParam = _core.template.statement(` | ||
@@ -20,3 +17,2 @@ let VARIABLE_NAME = | ||
| `); | ||
| const buildLooseDefaultParam = _core.template.statement(` | ||
@@ -27,7 +23,5 @@ if (ASSIGNMENT_IDENTIFIER === UNDEFINED) { | ||
| `); | ||
| const buildLooseDestructuredDefaultParam = _core.template.statement(` | ||
| let ASSIGNMENT_IDENTIFIER = PARAMETER_NAME === UNDEFINED ? DEFAULT_VALUE : PARAMETER_NAME ; | ||
| `); | ||
| const buildSafeArgumentsAccess = _core.template.statement(` | ||
@@ -47,7 +41,5 @@ let $0 = arguments.length > $1 ? arguments[$1] : undefined; | ||
| const shadowedParams = new Set(); | ||
| for (const param of params) { | ||
| (0, _shadowUtils.collectShadowedParamsNames)(param, scope, shadowedParams); | ||
| } | ||
| const state = { | ||
@@ -57,3 +49,2 @@ needsOuterBinding: false, | ||
| }; | ||
| if (shadowedParams.size === 0) { | ||
@@ -65,20 +56,13 @@ for (const param of params) { | ||
| } | ||
| let firstOptionalIndex = null; | ||
| for (let i = 0; i < params.length; i++) { | ||
| const param = params[i]; | ||
| if (shouldTransformParam && !shouldTransformParam(i)) { | ||
| continue; | ||
| } | ||
| const transformedRestNodes = []; | ||
| if (replaceRestElement) { | ||
| replaceRestElement(path, param, transformedRestNodes); | ||
| } | ||
| const paramIsAssignmentPattern = param.isAssignmentPattern(); | ||
| if (paramIsAssignmentPattern && (ignoreFunctionLength || _core.types.isMethod(node, { | ||
@@ -90,3 +74,2 @@ kind: "set" | ||
| const undefinedNode = scope.buildUndefinedNode(); | ||
| if (left.isIdentifier()) { | ||
@@ -125,9 +108,6 @@ body.push(buildLooseDefaultParam({ | ||
| uid.typeAnnotation = param.node.typeAnnotation; | ||
| const defNode = _core.types.variableDeclaration("let", [_core.types.variableDeclarator(param.node, uid)]); | ||
| body.push(defNode); | ||
| param.replaceWith(_core.types.cloneNode(uid)); | ||
| } | ||
| if (transformedRestNodes) { | ||
@@ -145,11 +125,13 @@ for (const transformedNode of transformedRestNodes) { | ||
| path.ensureBlock(); | ||
| if (state.needsOuterBinding || shadowedParams.size > 0) { | ||
| if (state.needsOuterBinding || shadowedParams.size > 0 || node.generator) { | ||
| body.push((0, _shadowUtils.buildScopeIIFE)(shadowedParams, path.node.body)); | ||
| path.set("body", _core.types.blockStatement(body)); | ||
| const bodyPath = path.get("body.body"); | ||
| const arrowPath = bodyPath[bodyPath.length - 1].get("argument.callee"); | ||
| arrowPath.arrowFunctionToExpression(); | ||
| arrowPath.node.generator = path.node.generator; | ||
| arrowPath.node.async = path.node.async; | ||
| path.node.generator = false; | ||
@@ -159,4 +141,5 @@ } else { | ||
| } | ||
| return true; | ||
| } | ||
| return true; | ||
| } | ||
| //# sourceMappingURL=params.js.map |
@@ -7,7 +7,4 @@ "use strict"; | ||
| exports.default = convertFunctionRest; | ||
| var _core = require("@babel/core"); | ||
| var _shadowUtils = require("./shadow-utils"); | ||
| const buildRest = _core.template.statement(` | ||
@@ -22,15 +19,11 @@ for (var LEN = ARGUMENTS.length, | ||
| `); | ||
| const restIndex = _core.template.expression(` | ||
| (INDEX < OFFSET || ARGUMENTS.length <= INDEX) ? undefined : ARGUMENTS[INDEX] | ||
| `); | ||
| const restIndexImpure = _core.template.expression(` | ||
| REF = INDEX, (REF < OFFSET || ARGUMENTS.length <= REF) ? undefined : ARGUMENTS[REF] | ||
| `); | ||
| const restLength = _core.template.expression(` | ||
| ARGUMENTS.length <= OFFSET ? 0 : ARGUMENTS.length - OFFSET | ||
| `); | ||
| function referencesRest(path, state) { | ||
@@ -40,6 +33,4 @@ if (path.node.name === state.name) { | ||
| } | ||
| return false; | ||
| } | ||
| const memberExpressionOptimisationVisitor = { | ||
@@ -51,3 +42,2 @@ Scope(path, state) { | ||
| }, | ||
| Flow(path) { | ||
@@ -57,3 +47,2 @@ if (path.isTypeCastExpression()) return; | ||
| }, | ||
| Function(path, state) { | ||
@@ -64,5 +53,5 @@ const oldNoOptimise = state.noOptimise; | ||
| state.noOptimise = oldNoOptimise; | ||
| path.skip(); | ||
| }, | ||
| ReferencedIdentifier(path, state) { | ||
@@ -78,3 +67,2 @@ const { | ||
| if (!referencesRest(path, state)) return; | ||
| if (state.noOptimise) { | ||
@@ -95,6 +83,12 @@ state.deopted = true; | ||
| const grandparentPath = parentPath.parentPath; | ||
| const argsOptEligible = !state.deopted && !(grandparentPath.isAssignmentExpression() && parentPath.node === grandparentPath.node.left || grandparentPath.isLVal() || grandparentPath.isForXStatement() || grandparentPath.isUpdateExpression() || grandparentPath.isUnaryExpression({ | ||
| const argsOptEligible = !state.deopted && !( | ||
| grandparentPath.isAssignmentExpression() && parentPath.node === grandparentPath.node.left || | ||
| grandparentPath.isLVal() || | ||
| grandparentPath.isForXStatement() || | ||
| grandparentPath.isUpdateExpression() || | ||
| grandparentPath.isUnaryExpression({ | ||
| operator: "delete" | ||
| }) || (grandparentPath.isCallExpression() || grandparentPath.isNewExpression()) && parentPath.node === grandparentPath.node.callee); | ||
| }) || | ||
| (grandparentPath.isCallExpression() || grandparentPath.isNewExpression()) && parentPath.node === grandparentPath.node.callee); | ||
| if (argsOptEligible) { | ||
@@ -109,3 +103,4 @@ if (parentPath.node.computed) { | ||
| } | ||
| } else if (parentPath.node.property.name === "length") { | ||
| } else if ( | ||
| parentPath.node.property.name === "length") { | ||
| state.candidates.push({ | ||
@@ -122,3 +117,2 @@ cause: "lengthGetter", | ||
| const call = parentPath.parentPath; | ||
| if (call.isCallExpression() && call.node.arguments.length === 1) { | ||
@@ -132,3 +126,2 @@ state.candidates.push({ | ||
| } | ||
| state.references.push(path); | ||
@@ -143,8 +136,5 @@ } | ||
| } | ||
| }; | ||
| function getParamsCount(node) { | ||
| let count = node.params.length; | ||
| if (count > 0 && _core.types.isIdentifier(node.params[0], { | ||
@@ -155,6 +145,4 @@ name: "this" | ||
| } | ||
| return count; | ||
| } | ||
| function hasRest(node) { | ||
@@ -164,9 +152,6 @@ const length = node.params.length; | ||
| } | ||
| function optimiseIndexGetter(path, argsId, offset) { | ||
| const offsetLiteral = _core.types.numericLiteral(offset); | ||
| let index; | ||
| const parent = path.parent; | ||
| if (_core.types.isNumericLiteral(parent.property)) { | ||
@@ -179,3 +164,2 @@ index = _core.types.numericLiteral(parent.property.value + offset); | ||
| } | ||
| const { | ||
@@ -185,3 +169,2 @@ scope, | ||
| } = path; | ||
| if (!scope.isPure(index)) { | ||
@@ -206,5 +189,5 @@ const temp = scope.generateUidIdentifierBasedOnNode(index); | ||
| const replacedParentPath = parentPath; | ||
| const offsetTestPath = replacedParentPath.get("test"); | ||
| const valRes = offsetTestPath.get("left").evaluate(); | ||
| if (valRes.confident) { | ||
@@ -219,3 +202,2 @@ if (valRes.value === true) { | ||
| } | ||
| function optimiseLengthGetter(path, argsId, offset) { | ||
@@ -231,3 +213,2 @@ if (offset) { | ||
| } | ||
| function convertFunctionRest(path) { | ||
@@ -240,3 +221,2 @@ const { | ||
| const restPath = path.get(`params.${node.params.length - 1}.argument`); | ||
| if (!restPath.isIdentifier()) { | ||
@@ -246,3 +226,2 @@ const shadowedParams = new Set(); | ||
| let needsIIFE = shadowedParams.size > 0; | ||
| if (!needsIIFE) { | ||
@@ -256,3 +235,2 @@ const state = { | ||
| } | ||
| if (needsIIFE) { | ||
@@ -263,3 +241,2 @@ path.ensureBlock(); | ||
| } | ||
| let rest = restPath.node; | ||
@@ -271,5 +248,3 @@ node.params.pop(); | ||
| rest = scope.generateUidIdentifier("ref"); | ||
| const declar = _core.types.variableDeclaration("let", [_core.types.variableDeclarator(pattern, rest)]); | ||
| path.ensureBlock(); | ||
@@ -280,6 +255,5 @@ node.body.body.unshift(declar); | ||
| } | ||
| const argsId = _core.types.identifier("arguments"); | ||
| const paramsCount = getParamsCount(node); | ||
| const paramsCount = getParamsCount(node); | ||
| const state = { | ||
@@ -302,3 +276,2 @@ references: [], | ||
| const clonedArgsId = _core.types.cloneNode(argsId); | ||
| switch (cause) { | ||
@@ -308,7 +281,5 @@ case "indexGetter": | ||
| break; | ||
| case "lengthGetter": | ||
| optimiseLengthGetter(path, clonedArgsId, state.offset); | ||
| break; | ||
| default: | ||
@@ -318,18 +289,14 @@ path.replaceWith(clonedArgsId); | ||
| } | ||
| return true; | ||
| } | ||
| state.references.push(...state.candidates.map(({ | ||
| path | ||
| }) => path)); | ||
| const start = _core.types.numericLiteral(paramsCount); | ||
| const key = scope.generateUidIdentifier("key"); | ||
| const len = scope.generateUidIdentifier("len"); | ||
| let arrKey, arrLen; | ||
| if (paramsCount) { | ||
| arrKey = _core.types.binaryExpression("-", _core.types.cloneNode(key), _core.types.cloneNode(start)); | ||
| arrLen = _core.types.conditionalExpression(_core.types.binaryExpression(">", _core.types.cloneNode(len), _core.types.cloneNode(start)), _core.types.binaryExpression("-", _core.types.cloneNode(len), _core.types.cloneNode(start)), _core.types.numericLiteral(0)); | ||
@@ -340,3 +307,2 @@ } else { | ||
| } | ||
| const loop = buildRest({ | ||
@@ -351,3 +317,2 @@ ARGUMENTS: argsId, | ||
| }); | ||
| if (state.deopted) { | ||
@@ -357,2 +322,3 @@ node.body.body.unshift(loop); | ||
| let target = path.getEarliestCommonAncestorFrom(state.references).getStatementParent(); | ||
| target.findParent(path => { | ||
@@ -367,4 +333,5 @@ if (path.isLoop()) { | ||
| } | ||
| return true; | ||
| } | ||
| return true; | ||
| } | ||
| //# sourceMappingURL=rest.js.map |
@@ -9,5 +9,3 @@ "use strict"; | ||
| exports.iifeVisitor = void 0; | ||
| var _core = require("@babel/core"); | ||
| const iifeVisitor = { | ||
@@ -22,3 +20,2 @@ "ReferencedIdentifier|BindingIdentifier"(path, state) { | ||
| } = node; | ||
| if (name === "eval" || scope.getBinding(name) === state.scope.parent.getBinding(name) && state.scope.hasOwnBinding(name)) { | ||
@@ -29,17 +26,12 @@ state.needsOuterBinding = true; | ||
| }, | ||
| "TypeAnnotation|TSTypeAnnotation|TypeParameterDeclaration|TSTypeParameterDeclaration": path => path.skip() | ||
| }; | ||
| exports.iifeVisitor = iifeVisitor; | ||
| function collectShadowedParamsNames(param, functionScope, shadowedParams) { | ||
| for (const name of Object.keys(param.getBindingIdentifiers())) { | ||
| var _functionScope$bindin; | ||
| const constantViolations = (_functionScope$bindin = functionScope.bindings[name]) == null ? void 0 : _functionScope$bindin.constantViolations; | ||
| if (constantViolations) { | ||
| for (const redeclarator of constantViolations) { | ||
| const node = redeclarator.node; | ||
| switch (node.type) { | ||
@@ -50,3 +42,2 @@ case "VariableDeclarator": | ||
| const declaration = redeclarator.parentPath; | ||
| if (!declaration.parentPath.isFor() || declaration.parentPath.get("body") === declaration) { | ||
@@ -57,7 +48,5 @@ redeclarator.remove(); | ||
| } | ||
| shadowedParams.add(name); | ||
| break; | ||
| } | ||
| case "FunctionDeclaration": | ||
@@ -71,7 +60,5 @@ shadowedParams.add(name); | ||
| } | ||
| function buildScopeIIFE(shadowedParams, body) { | ||
| const args = []; | ||
| const params = []; | ||
| for (const name of shadowedParams) { | ||
@@ -81,4 +68,5 @@ args.push(_core.types.identifier(name)); | ||
| } | ||
| return _core.types.returnStatement(_core.types.callExpression(_core.types.arrowFunctionExpression(params, body), args)); | ||
| } | ||
| return _core.types.returnStatement(_core.types.callExpression(_core.types.arrowFunctionExpression(params, body), args)); | ||
| } | ||
| //# sourceMappingURL=shadow-utils.js.map |
| { | ||
| "name": "@babel/plugin-transform-parameters", | ||
| "version": "7.18.8", | ||
| "version": "7.20.1", | ||
| "description": "Compile ES2015 default and rest parameters to ES5", | ||
@@ -17,3 +17,3 @@ "repository": { | ||
| "dependencies": { | ||
| "@babel/helper-plugin-utils": "^7.18.6" | ||
| "@babel/helper-plugin-utils": "^7.19.0" | ||
| }, | ||
@@ -27,3 +27,3 @@ "keywords": [ | ||
| "devDependencies": { | ||
| "@babel/core": "^7.18.6", | ||
| "@babel/core": "^7.19.6", | ||
| "@babel/helper-plugin-test-runner": "^7.18.6" | ||
@@ -30,0 +30,0 @@ }, |
New alerts
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LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Fixed alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Improved metrics
- Total package byte prevSize
- increased by225.68%
63306
- Number of package files
- increased by57.14%
11
- Lines of code
- increased by2.77%
519