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authorruki <waruqi@gmail.com>2018-11-08 00:43:05 +0800
committerruki <waruqi@gmail.com>2018-11-07 22:18:30 +0800
commit89e95b3f143682ed9a006991bacf45c9dcba4818 (patch)
tree4f44cf41b828577d583890bdd5a1c31e8491a6ba /node_modules/@babel/traverse/lib/path/conversion.js
parentaa7f0199255277949790b41c56e8ec97dd4f0da4 (diff)
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remove node_modulesvuepress
Diffstat (limited to 'node_modules/@babel/traverse/lib/path/conversion.js')
-rw-r--r--node_modules/@babel/traverse/lib/path/conversion.js465
1 files changed, 0 insertions, 465 deletions
diff --git a/node_modules/@babel/traverse/lib/path/conversion.js b/node_modules/@babel/traverse/lib/path/conversion.js
deleted file mode 100644
index a449ce3f..00000000
--- a/node_modules/@babel/traverse/lib/path/conversion.js
+++ /dev/null
@@ -1,465 +0,0 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.toComputedKey = toComputedKey;
-exports.ensureBlock = ensureBlock;
-exports.arrowFunctionToShadowed = arrowFunctionToShadowed;
-exports.unwrapFunctionEnvironment = unwrapFunctionEnvironment;
-exports.arrowFunctionToExpression = arrowFunctionToExpression;
-
-function t() {
- const data = _interopRequireWildcard(require("@babel/types"));
-
- t = function t() {
- return data;
- };
-
- return data;
-}
-
-function _helperFunctionName() {
- const data = _interopRequireDefault(require("@babel/helper-function-name"));
-
- _helperFunctionName = function _helperFunctionName() {
- return data;
- };
-
- return data;
-}
-
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
-function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
-
-function toComputedKey() {
- const node = this.node;
- let key;
-
- if (this.isMemberExpression()) {
- key = node.property;
- } else if (this.isProperty() || this.isMethod()) {
- key = node.key;
- } else {
- throw new ReferenceError("todo");
- }
-
- if (!node.computed) {
- if (t().isIdentifier(key)) key = t().stringLiteral(key.name);
- }
-
- return key;
-}
-
-function ensureBlock() {
- const body = this.get("body");
- const bodyNode = body.node;
-
- if (Array.isArray(body)) {
- throw new Error("Can't convert array path to a block statement");
- }
-
- if (!bodyNode) {
- throw new Error("Can't convert node without a body");
- }
-
- if (body.isBlockStatement()) {
- return bodyNode;
- }
-
- const statements = [];
- let stringPath = "body";
- let key;
- let listKey;
-
- if (body.isStatement()) {
- listKey = "body";
- key = 0;
- statements.push(body.node);
- } else {
- stringPath += ".body.0";
-
- if (this.isFunction()) {
- key = "argument";
- statements.push(t().returnStatement(body.node));
- } else {
- key = "expression";
- statements.push(t().expressionStatement(body.node));
- }
- }
-
- this.node.body = t().blockStatement(statements);
- const parentPath = this.get(stringPath);
- body.setup(parentPath, listKey ? parentPath.node[listKey] : parentPath.node, listKey, key);
- return this.node;
-}
-
-function arrowFunctionToShadowed() {
- if (!this.isArrowFunctionExpression()) return;
- this.arrowFunctionToExpression();
-}
-
-function unwrapFunctionEnvironment() {
- if (!this.isArrowFunctionExpression() && !this.isFunctionExpression() && !this.isFunctionDeclaration()) {
- throw this.buildCodeFrameError("Can only unwrap the environment of a function.");
- }
-
- hoistFunctionEnvironment(this);
-}
-
-function arrowFunctionToExpression({
- allowInsertArrow = true,
- specCompliant = false
-} = {}) {
- if (!this.isArrowFunctionExpression()) {
- throw this.buildCodeFrameError("Cannot convert non-arrow function to a function expression.");
- }
-
- const thisBinding = hoistFunctionEnvironment(this, specCompliant, allowInsertArrow);
- this.ensureBlock();
- this.node.type = "FunctionExpression";
-
- if (specCompliant) {
- const checkBinding = thisBinding ? null : this.parentPath.scope.generateUidIdentifier("arrowCheckId");
-
- if (checkBinding) {
- this.parentPath.scope.push({
- id: checkBinding,
- init: t().objectExpression([])
- });
- }
-
- this.get("body").unshiftContainer("body", t().expressionStatement(t().callExpression(this.hub.file.addHelper("newArrowCheck"), [t().thisExpression(), checkBinding ? t().identifier(checkBinding.name) : t().identifier(thisBinding)])));
- this.replaceWith(t().callExpression(t().memberExpression((0, _helperFunctionName().default)(this, true) || this.node, t().identifier("bind")), [checkBinding ? t().identifier(checkBinding.name) : t().thisExpression()]));
- }
-}
-
-function hoistFunctionEnvironment(fnPath, specCompliant = false, allowInsertArrow = true) {
- const thisEnvFn = fnPath.findParent(p => {
- return p.isFunction() && !p.isArrowFunctionExpression() || p.isProgram() || p.isClassProperty({
- static: false
- });
- });
- const inConstructor = thisEnvFn && thisEnvFn.node.kind === "constructor";
-
- if (thisEnvFn.isClassProperty()) {
- throw fnPath.buildCodeFrameError("Unable to transform arrow inside class property");
- }
-
- const _getScopeInformation = getScopeInformation(fnPath),
- thisPaths = _getScopeInformation.thisPaths,
- argumentsPaths = _getScopeInformation.argumentsPaths,
- newTargetPaths = _getScopeInformation.newTargetPaths,
- superProps = _getScopeInformation.superProps,
- superCalls = _getScopeInformation.superCalls;
-
- if (inConstructor && superCalls.length > 0) {
- if (!allowInsertArrow) {
- throw superCalls[0].buildCodeFrameError("Unable to handle nested super() usage in arrow");
- }
-
- const allSuperCalls = [];
- thisEnvFn.traverse({
- Function(child) {
- if (child.isArrowFunctionExpression()) return;
- child.skip();
- },
-
- ClassProperty(child) {
- if (child.node.static) return;
- child.skip();
- },
-
- CallExpression(child) {
- if (!child.get("callee").isSuper()) return;
- allSuperCalls.push(child);
- }
-
- });
- const superBinding = getSuperBinding(thisEnvFn);
- allSuperCalls.forEach(superCall => {
- const callee = t().identifier(superBinding);
- callee.loc = superCall.node.callee.loc;
- superCall.get("callee").replaceWith(callee);
- });
- }
-
- let thisBinding;
-
- if (thisPaths.length > 0 || specCompliant) {
- thisBinding = getThisBinding(thisEnvFn, inConstructor);
-
- if (!specCompliant || inConstructor && hasSuperClass(thisEnvFn)) {
- thisPaths.forEach(thisChild => {
- const thisRef = thisChild.isJSX() ? t().jsxIdentifier(thisBinding) : t().identifier(thisBinding);
- thisRef.loc = thisChild.node.loc;
- thisChild.replaceWith(thisRef);
- });
- if (specCompliant) thisBinding = null;
- }
- }
-
- if (argumentsPaths.length > 0) {
- const argumentsBinding = getBinding(thisEnvFn, "arguments", () => t().identifier("arguments"));
- argumentsPaths.forEach(argumentsChild => {
- const argsRef = t().identifier(argumentsBinding);
- argsRef.loc = argumentsChild.node.loc;
- argumentsChild.replaceWith(argsRef);
- });
- }
-
- if (newTargetPaths.length > 0) {
- const newTargetBinding = getBinding(thisEnvFn, "newtarget", () => t().metaProperty(t().identifier("new"), t().identifier("target")));
- newTargetPaths.forEach(targetChild => {
- const targetRef = t().identifier(newTargetBinding);
- targetRef.loc = targetChild.node.loc;
- targetChild.replaceWith(targetRef);
- });
- }
-
- if (superProps.length > 0) {
- if (!allowInsertArrow) {
- throw superProps[0].buildCodeFrameError("Unable to handle nested super.prop usage");
- }
-
- const flatSuperProps = superProps.reduce((acc, superProp) => acc.concat(standardizeSuperProperty(superProp)), []);
- flatSuperProps.forEach(superProp => {
- const key = superProp.node.computed ? "" : superProp.get("property").node.name;
-
- if (superProp.parentPath.isCallExpression({
- callee: superProp.node
- })) {
- const superBinding = getSuperPropCallBinding(thisEnvFn, key);
-
- if (superProp.node.computed) {
- const prop = superProp.get("property").node;
- superProp.replaceWith(t().identifier(superBinding));
- superProp.parentPath.node.arguments.unshift(prop);
- } else {
- superProp.replaceWith(t().identifier(superBinding));
- }
- } else {
- const isAssignment = superProp.parentPath.isAssignmentExpression({
- left: superProp.node
- });
- const superBinding = getSuperPropBinding(thisEnvFn, isAssignment, key);
- const args = [];
-
- if (superProp.node.computed) {
- args.push(superProp.get("property").node);
- }
-
- if (isAssignment) {
- const value = superProp.parentPath.node.right;
- args.push(value);
- superProp.parentPath.replaceWith(t().callExpression(t().identifier(superBinding), args));
- } else {
- superProp.replaceWith(t().callExpression(t().identifier(superBinding), args));
- }
- }
- });
- }
-
- return thisBinding;
-}
-
-function standardizeSuperProperty(superProp) {
- if (superProp.parentPath.isAssignmentExpression() && superProp.parentPath.node.operator !== "=") {
- const assignmentPath = superProp.parentPath;
- const op = assignmentPath.node.operator.slice(0, -1);
- const value = assignmentPath.node.right;
- assignmentPath.node.operator = "=";
-
- if (superProp.node.computed) {
- const tmp = superProp.scope.generateDeclaredUidIdentifier("tmp");
- assignmentPath.get("left").replaceWith(t().memberExpression(superProp.node.object, t().assignmentExpression("=", tmp, superProp.node.property), true));
- assignmentPath.get("right").replaceWith(t().binaryExpression(op, t().memberExpression(superProp.node.object, t().identifier(tmp.name), true), value));
- } else {
- assignmentPath.get("left").replaceWith(t().memberExpression(superProp.node.object, superProp.node.property));
- assignmentPath.get("right").replaceWith(t().binaryExpression(op, t().memberExpression(superProp.node.object, t().identifier(superProp.node.property.name)), value));
- }
-
- return [assignmentPath.get("left"), assignmentPath.get("right").get("left")];
- } else if (superProp.parentPath.isUpdateExpression()) {
- const updateExpr = superProp.parentPath;
- const tmp = superProp.scope.generateDeclaredUidIdentifier("tmp");
- const computedKey = superProp.node.computed ? superProp.scope.generateDeclaredUidIdentifier("prop") : null;
- const parts = [t().assignmentExpression("=", tmp, t().memberExpression(superProp.node.object, computedKey ? t().assignmentExpression("=", computedKey, superProp.node.property) : superProp.node.property, superProp.node.computed)), t().assignmentExpression("=", t().memberExpression(superProp.node.object, computedKey ? t().identifier(computedKey.name) : superProp.node.property, superProp.node.computed), t().binaryExpression("+", t().identifier(tmp.name), t().numericLiteral(1)))];
-
- if (!superProp.parentPath.node.prefix) {
- parts.push(t().identifier(tmp.name));
- }
-
- updateExpr.replaceWith(t().sequenceExpression(parts));
- const left = updateExpr.get("expressions.0.right");
- const right = updateExpr.get("expressions.1.left");
- return [left, right];
- }
-
- return [superProp];
-}
-
-function hasSuperClass(thisEnvFn) {
- return thisEnvFn.isClassMethod() && !!thisEnvFn.parentPath.parentPath.node.superClass;
-}
-
-function getThisBinding(thisEnvFn, inConstructor) {
- return getBinding(thisEnvFn, "this", thisBinding => {
- if (!inConstructor || !hasSuperClass(thisEnvFn)) return t().thisExpression();
- const supers = new WeakSet();
- thisEnvFn.traverse({
- Function(child) {
- if (child.isArrowFunctionExpression()) return;
- child.skip();
- },
-
- ClassProperty(child) {
- if (child.node.static) return;
- child.skip();
- },
-
- CallExpression(child) {
- if (!child.get("callee").isSuper()) return;
- if (supers.has(child.node)) return;
- supers.add(child.node);
- child.replaceWith(t().assignmentExpression("=", t().identifier(thisBinding), child.node));
- }
-
- });
- });
-}
-
-function getSuperBinding(thisEnvFn) {
- return getBinding(thisEnvFn, "supercall", () => {
- const argsBinding = thisEnvFn.scope.generateUidIdentifier("args");
- return t().arrowFunctionExpression([t().restElement(argsBinding)], t().callExpression(t().super(), [t().spreadElement(t().identifier(argsBinding.name))]));
- });
-}
-
-function getSuperPropCallBinding(thisEnvFn, propName) {
- return getBinding(thisEnvFn, `superprop_call:${propName || ""}`, () => {
- const argsBinding = thisEnvFn.scope.generateUidIdentifier("args");
- const argsList = [t().restElement(argsBinding)];
- let fnBody;
-
- if (propName) {
- fnBody = t().callExpression(t().memberExpression(t().super(), t().identifier(propName)), [t().spreadElement(t().identifier(argsBinding.name))]);
- } else {
- const method = thisEnvFn.scope.generateUidIdentifier("prop");
- argsList.unshift(method);
- fnBody = t().callExpression(t().memberExpression(t().super(), t().identifier(method.name), true), [t().spreadElement(t().identifier(argsBinding.name))]);
- }
-
- return t().arrowFunctionExpression(argsList, fnBody);
- });
-}
-
-function getSuperPropBinding(thisEnvFn, isAssignment, propName) {
- const op = isAssignment ? "set" : "get";
- return getBinding(thisEnvFn, `superprop_${op}:${propName || ""}`, () => {
- const argsList = [];
- let fnBody;
-
- if (propName) {
- fnBody = t().memberExpression(t().super(), t().identifier(propName));
- } else {
- const method = thisEnvFn.scope.generateUidIdentifier("prop");
- argsList.unshift(method);
- fnBody = t().memberExpression(t().super(), t().identifier(method.name), true);
- }
-
- if (isAssignment) {
- const valueIdent = thisEnvFn.scope.generateUidIdentifier("value");
- argsList.push(valueIdent);
- fnBody = t().assignmentExpression("=", fnBody, t().identifier(valueIdent.name));
- }
-
- return t().arrowFunctionExpression(argsList, fnBody);
- });
-}
-
-function getBinding(thisEnvFn, key, init) {
- const cacheKey = "binding:" + key;
- let data = thisEnvFn.getData(cacheKey);
-
- if (!data) {
- const id = thisEnvFn.scope.generateUidIdentifier(key);
- data = id.name;
- thisEnvFn.setData(cacheKey, data);
- thisEnvFn.scope.push({
- id: id,
- init: init(data)
- });
- }
-
- return data;
-}
-
-function getScopeInformation(fnPath) {
- const thisPaths = [];
- const argumentsPaths = [];
- const newTargetPaths = [];
- const superProps = [];
- const superCalls = [];
- fnPath.traverse({
- ClassProperty(child) {
- if (child.node.static) return;
- child.skip();
- },
-
- Function(child) {
- if (child.isArrowFunctionExpression()) return;
- child.skip();
- },
-
- ThisExpression(child) {
- thisPaths.push(child);
- },
-
- JSXIdentifier(child) {
- if (child.node.name !== "this") return;
-
- if (!child.parentPath.isJSXMemberExpression({
- object: child.node
- }) && !child.parentPath.isJSXOpeningElement({
- name: child.node
- })) {
- return;
- }
-
- thisPaths.push(child);
- },
-
- CallExpression(child) {
- if (child.get("callee").isSuper()) superCalls.push(child);
- },
-
- MemberExpression(child) {
- if (child.get("object").isSuper()) superProps.push(child);
- },
-
- ReferencedIdentifier(child) {
- if (child.node.name !== "arguments") return;
- argumentsPaths.push(child);
- },
-
- MetaProperty(child) {
- if (!child.get("meta").isIdentifier({
- name: "new"
- })) return;
- if (!child.get("property").isIdentifier({
- name: "target"
- })) return;
- newTargetPaths.push(child);
- }
-
- });
- return {
- thisPaths,
- argumentsPaths,
- newTargetPaths,
- superProps,
- superCalls
- };
-} \ No newline at end of file