From aa773172311dcada759dfbaac485f4bc6e00bc21 Mon Sep 17 00:00:00 2001 From: littleblack111 Date: Sat, 14 Oct 2023 15:31:11 +0800 Subject: added babel --- .../lib/index.js | 451 +++++++++++++++++++++ 1 file changed, 451 insertions(+) create mode 100644 node_modules/@babel/plugin-transform-object-rest-spread/lib/index.js (limited to 'node_modules/@babel/plugin-transform-object-rest-spread/lib/index.js') diff --git a/node_modules/@babel/plugin-transform-object-rest-spread/lib/index.js b/node_modules/@babel/plugin-transform-object-rest-spread/lib/index.js new file mode 100644 index 00000000..f97fffb1 --- /dev/null +++ b/node_modules/@babel/plugin-transform-object-rest-spread/lib/index.js @@ -0,0 +1,451 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var helperPluginUtils = require('@babel/helper-plugin-utils'); +var core = require('@babel/core'); +var pluginTransformParameters = require('@babel/plugin-transform-parameters'); +var helperCompilationTargets = require('@babel/helper-compilation-targets'); +var compatData = require('@babel/compat-data/corejs2-built-ins'); + +function _interopDefault (e) { return e && e.__esModule ? e : { default: e }; } + +var compatData__default = /*#__PURE__*/_interopDefault(compatData); + +const { + isObjectProperty: isObjectProperty$1, + isArrayPattern, + isObjectPattern, + isAssignmentPattern: isAssignmentPattern$1, + isRestElement, + isIdentifier +} = core.types; +function shouldStoreRHSInTemporaryVariable(node) { + if (isArrayPattern(node)) { + const nonNullElements = node.elements.filter(element => element !== null); + if (nonNullElements.length > 1) return true;else return shouldStoreRHSInTemporaryVariable(nonNullElements[0]); + } else if (isObjectPattern(node)) { + const { + properties + } = node; + if (properties.length > 1) return true;else if (properties.length === 0) return false;else { + const firstProperty = properties[0]; + if (isObjectProperty$1(firstProperty)) { + return shouldStoreRHSInTemporaryVariable(firstProperty.value); + } else { + return shouldStoreRHSInTemporaryVariable(firstProperty); + } + } + } else if (isAssignmentPattern$1(node)) { + return shouldStoreRHSInTemporaryVariable(node.left); + } else if (isRestElement(node)) { + if (isIdentifier(node.argument)) return true; + return shouldStoreRHSInTemporaryVariable(node.argument); + } else { + return false; + } +} + +const { + isAssignmentPattern, + isObjectProperty +} = core.types; +{ + const node = core.types.identifier("a"); + const property = core.types.objectProperty(core.types.identifier("key"), node); + const pattern = core.types.objectPattern([property]); + var ZERO_REFS = core.types.isReferenced(node, property, pattern) ? 1 : 0; +} +var index = helperPluginUtils.declare((api, opts) => { + var _api$assumption, _api$assumption2, _api$assumption3, _api$assumption4; + api.assertVersion(7); + const targets = api.targets(); + const supportsObjectAssign = !helperCompilationTargets.isRequired("es6.object.assign", targets, { + compatData: compatData__default.default + }); + const { + useBuiltIns = supportsObjectAssign, + loose = false + } = opts; + if (typeof loose !== "boolean") { + throw new Error(".loose must be a boolean, or undefined"); + } + const ignoreFunctionLength = (_api$assumption = api.assumption("ignoreFunctionLength")) != null ? _api$assumption : loose; + const objectRestNoSymbols = (_api$assumption2 = api.assumption("objectRestNoSymbols")) != null ? _api$assumption2 : loose; + const pureGetters = (_api$assumption3 = api.assumption("pureGetters")) != null ? _api$assumption3 : loose; + const setSpreadProperties = (_api$assumption4 = api.assumption("setSpreadProperties")) != null ? _api$assumption4 : loose; + function getExtendsHelper(file) { + return useBuiltIns ? core.types.memberExpression(core.types.identifier("Object"), core.types.identifier("assign")) : file.addHelper("extends"); + } + function hasRestElement(path) { + let foundRestElement = false; + visitRestElements(path, restElement => { + foundRestElement = true; + restElement.stop(); + }); + return foundRestElement; + } + function hasObjectPatternRestElement(path) { + let foundRestElement = false; + visitRestElements(path, restElement => { + if (restElement.parentPath.isObjectPattern()) { + foundRestElement = true; + restElement.stop(); + } + }); + return foundRestElement; + } + function visitRestElements(path, visitor) { + path.traverse({ + Expression(path) { + const { + parent, + key + } = path; + if (isAssignmentPattern(parent) && key === "right" || isObjectProperty(parent) && parent.computed && key === "key") { + path.skip(); + } + }, + RestElement: visitor + }); + } + function hasSpread(node) { + for (const prop of node.properties) { + if (core.types.isSpreadElement(prop)) { + return true; + } + } + return false; + } + function extractNormalizedKeys(node) { + const props = node.properties; + const keys = []; + let allLiteral = true; + let hasTemplateLiteral = false; + for (const prop of props) { + if (core.types.isIdentifier(prop.key) && !prop.computed) { + keys.push(core.types.stringLiteral(prop.key.name)); + } else if (core.types.isTemplateLiteral(prop.key)) { + keys.push(core.types.cloneNode(prop.key)); + hasTemplateLiteral = true; + } else if (core.types.isLiteral(prop.key)) { + keys.push(core.types.stringLiteral(String(prop.key.value))); + } else { + keys.push(core.types.cloneNode(prop.key)); + allLiteral = false; + } + } + return { + keys, + allLiteral, + hasTemplateLiteral + }; + } + function replaceImpureComputedKeys(properties, scope) { + const impureComputedPropertyDeclarators = []; + for (const propPath of properties) { + const key = propPath.get("key"); + if (propPath.node.computed && !key.isPure()) { + const name = scope.generateUidBasedOnNode(key.node); + const declarator = core.types.variableDeclarator(core.types.identifier(name), key.node); + impureComputedPropertyDeclarators.push(declarator); + key.replaceWith(core.types.identifier(name)); + } + } + return impureComputedPropertyDeclarators; + } + function removeUnusedExcludedKeys(path) { + const bindings = path.getOuterBindingIdentifierPaths(); + Object.keys(bindings).forEach(bindingName => { + const bindingParentPath = bindings[bindingName].parentPath; + if (path.scope.getBinding(bindingName).references > ZERO_REFS || !bindingParentPath.isObjectProperty()) { + return; + } + bindingParentPath.remove(); + }); + } + function createObjectRest(path, file, objRef) { + const props = path.get("properties"); + const last = props[props.length - 1]; + core.types.assertRestElement(last.node); + const restElement = core.types.cloneNode(last.node); + last.remove(); + const impureComputedPropertyDeclarators = replaceImpureComputedKeys(path.get("properties"), path.scope); + const { + keys, + allLiteral, + hasTemplateLiteral + } = extractNormalizedKeys(path.node); + if (keys.length === 0) { + return [impureComputedPropertyDeclarators, restElement.argument, core.types.callExpression(getExtendsHelper(file), [core.types.objectExpression([]), core.types.sequenceExpression([core.types.callExpression(file.addHelper("objectDestructuringEmpty"), [core.types.cloneNode(objRef)]), core.types.cloneNode(objRef)])])]; + } + let keyExpression; + if (!allLiteral) { + keyExpression = core.types.callExpression(core.types.memberExpression(core.types.arrayExpression(keys), core.types.identifier("map")), [file.addHelper("toPropertyKey")]); + } else { + keyExpression = core.types.arrayExpression(keys); + if (!hasTemplateLiteral && !core.types.isProgram(path.scope.block)) { + const program = path.findParent(path => path.isProgram()); + const id = path.scope.generateUidIdentifier("excluded"); + program.scope.push({ + id, + init: keyExpression, + kind: "const" + }); + keyExpression = core.types.cloneNode(id); + } + } + return [impureComputedPropertyDeclarators, restElement.argument, core.types.callExpression(file.addHelper(`objectWithoutProperties${objectRestNoSymbols ? "Loose" : ""}`), [core.types.cloneNode(objRef), keyExpression])]; + } + function replaceRestElement(parentPath, paramPath, container) { + if (paramPath.isAssignmentPattern()) { + replaceRestElement(parentPath, paramPath.get("left"), container); + return; + } + if (paramPath.isArrayPattern() && hasRestElement(paramPath)) { + const elements = paramPath.get("elements"); + for (let i = 0; i < elements.length; i++) { + replaceRestElement(parentPath, elements[i], container); + } + } + if (paramPath.isObjectPattern() && hasRestElement(paramPath)) { + const uid = parentPath.scope.generateUidIdentifier("ref"); + const declar = core.types.variableDeclaration("let", [core.types.variableDeclarator(paramPath.node, uid)]); + if (container) { + container.push(declar); + } else { + parentPath.ensureBlock(); + parentPath.get("body").unshiftContainer("body", declar); + } + paramPath.replaceWith(core.types.cloneNode(uid)); + } + } + return { + name: "transform-object-rest-spread", + inherits: require("@babel/plugin-syntax-object-rest-spread").default, + visitor: { + Function(path) { + const params = path.get("params"); + const paramsWithRestElement = new Set(); + const idsInRestParams = new Set(); + for (let i = 0; i < params.length; ++i) { + const param = params[i]; + if (hasRestElement(param)) { + paramsWithRestElement.add(i); + for (const name of Object.keys(param.getBindingIdentifiers())) { + idsInRestParams.add(name); + } + } + } + let idInRest = false; + const IdentifierHandler = function (path, functionScope) { + const name = path.node.name; + if (path.scope.getBinding(name) === functionScope.getBinding(name) && idsInRestParams.has(name)) { + idInRest = true; + path.stop(); + } + }; + let i; + for (i = 0; i < params.length && !idInRest; ++i) { + const param = params[i]; + if (!paramsWithRestElement.has(i)) { + if (param.isReferencedIdentifier() || param.isBindingIdentifier()) { + IdentifierHandler(param, path.scope); + } else { + param.traverse({ + "Scope|TypeAnnotation|TSTypeAnnotation": path => path.skip(), + "ReferencedIdentifier|BindingIdentifier": IdentifierHandler + }, path.scope); + } + } + } + if (!idInRest) { + for (let i = 0; i < params.length; ++i) { + const param = params[i]; + if (paramsWithRestElement.has(i)) { + replaceRestElement(path, param); + } + } + } else { + const shouldTransformParam = idx => idx >= i - 1 || paramsWithRestElement.has(idx); + pluginTransformParameters.convertFunctionParams(path, ignoreFunctionLength, shouldTransformParam, replaceRestElement); + } + }, + VariableDeclarator(path, file) { + if (!path.get("id").isObjectPattern()) { + return; + } + let insertionPath = path; + const originalPath = path; + visitRestElements(path.get("id"), path => { + if (!path.parentPath.isObjectPattern()) { + return; + } + if (shouldStoreRHSInTemporaryVariable(originalPath.node.id) && !core.types.isIdentifier(originalPath.node.init)) { + const initRef = path.scope.generateUidIdentifierBasedOnNode(originalPath.node.init, "ref"); + originalPath.insertBefore(core.types.variableDeclarator(initRef, originalPath.node.init)); + originalPath.replaceWith(core.types.variableDeclarator(originalPath.node.id, core.types.cloneNode(initRef))); + return; + } + let ref = originalPath.node.init; + const refPropertyPath = []; + let kind; + path.findParent(path => { + if (path.isObjectProperty()) { + refPropertyPath.unshift(path); + } else if (path.isVariableDeclarator()) { + kind = path.parentPath.node.kind; + return true; + } + }); + const impureObjRefComputedDeclarators = replaceImpureComputedKeys(refPropertyPath, path.scope); + refPropertyPath.forEach(prop => { + const { + node + } = prop; + ref = core.types.memberExpression(ref, core.types.cloneNode(node.key), node.computed || core.types.isLiteral(node.key)); + }); + const objectPatternPath = path.findParent(path => path.isObjectPattern()); + const [impureComputedPropertyDeclarators, argument, callExpression] = createObjectRest(objectPatternPath, file, ref); + if (pureGetters) { + removeUnusedExcludedKeys(objectPatternPath); + } + core.types.assertIdentifier(argument); + insertionPath.insertBefore(impureComputedPropertyDeclarators); + insertionPath.insertBefore(impureObjRefComputedDeclarators); + insertionPath = insertionPath.insertAfter(core.types.variableDeclarator(argument, callExpression))[0]; + path.scope.registerBinding(kind, insertionPath); + if (objectPatternPath.node.properties.length === 0) { + objectPatternPath.findParent(path => path.isObjectProperty() || path.isVariableDeclarator()).remove(); + } + }); + }, + ExportNamedDeclaration(path) { + const declaration = path.get("declaration"); + if (!declaration.isVariableDeclaration()) return; + const hasRest = declaration.get("declarations").some(path => hasObjectPatternRestElement(path.get("id"))); + if (!hasRest) return; + const specifiers = []; + for (const name of Object.keys(path.getOuterBindingIdentifiers(true))) { + specifiers.push(core.types.exportSpecifier(core.types.identifier(name), core.types.identifier(name))); + } + path.replaceWith(declaration.node); + path.insertAfter(core.types.exportNamedDeclaration(null, specifiers)); + }, + CatchClause(path) { + const paramPath = path.get("param"); + replaceRestElement(path, paramPath); + }, + AssignmentExpression(path, file) { + const leftPath = path.get("left"); + if (leftPath.isObjectPattern() && hasRestElement(leftPath)) { + const nodes = []; + const refName = path.scope.generateUidBasedOnNode(path.node.right, "ref"); + nodes.push(core.types.variableDeclaration("var", [core.types.variableDeclarator(core.types.identifier(refName), path.node.right)])); + const [impureComputedPropertyDeclarators, argument, callExpression] = createObjectRest(leftPath, file, core.types.identifier(refName)); + if (impureComputedPropertyDeclarators.length > 0) { + nodes.push(core.types.variableDeclaration("var", impureComputedPropertyDeclarators)); + } + const nodeWithoutSpread = core.types.cloneNode(path.node); + nodeWithoutSpread.right = core.types.identifier(refName); + nodes.push(core.types.expressionStatement(nodeWithoutSpread)); + nodes.push(core.types.expressionStatement(core.types.assignmentExpression("=", argument, callExpression))); + nodes.push(core.types.expressionStatement(core.types.identifier(refName))); + path.replaceWithMultiple(nodes); + } + }, + ForXStatement(path) { + const { + node, + scope + } = path; + const leftPath = path.get("left"); + const left = node.left; + if (!hasObjectPatternRestElement(leftPath)) { + return; + } + if (!core.types.isVariableDeclaration(left)) { + const temp = scope.generateUidIdentifier("ref"); + node.left = core.types.variableDeclaration("var", [core.types.variableDeclarator(temp)]); + path.ensureBlock(); + const body = path.node.body; + if (body.body.length === 0 && path.isCompletionRecord()) { + body.body.unshift(core.types.expressionStatement(scope.buildUndefinedNode())); + } + body.body.unshift(core.types.expressionStatement(core.types.assignmentExpression("=", left, core.types.cloneNode(temp)))); + } else { + const pattern = left.declarations[0].id; + const key = scope.generateUidIdentifier("ref"); + node.left = core.types.variableDeclaration(left.kind, [core.types.variableDeclarator(key, null)]); + path.ensureBlock(); + const body = node.body; + body.body.unshift(core.types.variableDeclaration(node.left.kind, [core.types.variableDeclarator(pattern, core.types.cloneNode(key))])); + } + }, + ArrayPattern(path) { + const objectPatterns = []; + visitRestElements(path, path => { + if (!path.parentPath.isObjectPattern()) { + return; + } + const objectPattern = path.parentPath; + const uid = path.scope.generateUidIdentifier("ref"); + objectPatterns.push(core.types.variableDeclarator(objectPattern.node, uid)); + objectPattern.replaceWith(core.types.cloneNode(uid)); + path.skip(); + }); + if (objectPatterns.length > 0) { + const statementPath = path.getStatementParent(); + const statementNode = statementPath.node; + const kind = statementNode.type === "VariableDeclaration" ? statementNode.kind : "var"; + statementPath.insertAfter(core.types.variableDeclaration(kind, objectPatterns)); + } + }, + ObjectExpression(path, file) { + if (!hasSpread(path.node)) return; + let helper; + if (setSpreadProperties) { + helper = getExtendsHelper(file); + } else { + try { + helper = file.addHelper("objectSpread2"); + } catch (_unused) { + this.file.declarations["objectSpread2"] = null; + helper = file.addHelper("objectSpread"); + } + } + let exp = null; + let props = []; + function make() { + const hadProps = props.length > 0; + const obj = core.types.objectExpression(props); + props = []; + if (!exp) { + exp = core.types.callExpression(helper, [obj]); + return; + } + if (pureGetters) { + if (hadProps) { + exp.arguments.push(obj); + } + return; + } + exp = core.types.callExpression(core.types.cloneNode(helper), [exp, ...(hadProps ? [core.types.objectExpression([]), obj] : [])]); + } + for (const prop of path.node.properties) { + if (core.types.isSpreadElement(prop)) { + make(); + exp.arguments.push(prop.argument); + } else { + props.push(prop); + } + } + if (props.length) make(); + path.replaceWith(exp); + } + } + }; +}); + +exports.default = index; +//# sourceMappingURL=index.js.map -- cgit v1.2.3