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244 lines
7.3 KiB
244 lines
7.3 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.replaceWithMultiple = replaceWithMultiple;
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exports.replaceWithSourceString = replaceWithSourceString;
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exports.replaceWith = replaceWith;
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exports._replaceWith = _replaceWith;
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exports.replaceExpressionWithStatements = replaceExpressionWithStatements;
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exports.replaceInline = replaceInline;
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var _codeFrame = require("@babel/code-frame");
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var _index = _interopRequireDefault(require("../index"));
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var _index2 = _interopRequireDefault(require("./index"));
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var _parser = require("@babel/parser");
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var t = _interopRequireWildcard(require("@babel/types"));
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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const hoistVariablesVisitor = {
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Function(path) {
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path.skip();
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},
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VariableDeclaration(path) {
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if (path.node.kind !== "var") return;
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const bindings = path.getBindingIdentifiers();
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for (const key of Object.keys(bindings)) {
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path.scope.push({
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id: bindings[key]
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});
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}
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const exprs = [];
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for (const declar of path.node.declarations) {
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if (declar.init) {
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exprs.push(t.expressionStatement(t.assignmentExpression("=", declar.id, declar.init)));
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}
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}
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path.replaceWithMultiple(exprs);
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}
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};
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function replaceWithMultiple(nodes) {
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this.resync();
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nodes = this._verifyNodeList(nodes);
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t.inheritLeadingComments(nodes[0], this.node);
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t.inheritTrailingComments(nodes[nodes.length - 1], this.node);
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this.node = this.container[this.key] = null;
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const paths = this.insertAfter(nodes);
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if (this.node) {
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this.requeue();
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} else {
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this.remove();
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}
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return paths;
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}
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function replaceWithSourceString(replacement) {
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this.resync();
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try {
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replacement = `(${replacement})`;
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replacement = (0, _parser.parse)(replacement);
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} catch (err) {
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const loc = err.loc;
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if (loc) {
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err.message += " - make sure this is an expression.\n" + (0, _codeFrame.codeFrameColumns)(replacement, {
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start: {
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line: loc.line,
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column: loc.column + 1
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}
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});
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err.code = "BABEL_REPLACE_SOURCE_ERROR";
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}
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throw err;
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}
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replacement = replacement.program.body[0].expression;
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_index.default.removeProperties(replacement);
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return this.replaceWith(replacement);
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}
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function replaceWith(replacement) {
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this.resync();
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if (this.removed) {
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throw new Error("You can't replace this node, we've already removed it");
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}
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if (replacement instanceof _index2.default) {
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replacement = replacement.node;
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}
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if (!replacement) {
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throw new Error("You passed `path.replaceWith()` a falsy node, use `path.remove()` instead");
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}
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if (this.node === replacement) {
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return [this];
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}
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if (this.isProgram() && !t.isProgram(replacement)) {
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throw new Error("You can only replace a Program root node with another Program node");
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}
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if (Array.isArray(replacement)) {
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throw new Error("Don't use `path.replaceWith()` with an array of nodes, use `path.replaceWithMultiple()`");
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}
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if (typeof replacement === "string") {
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throw new Error("Don't use `path.replaceWith()` with a source string, use `path.replaceWithSourceString()`");
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}
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let nodePath = "";
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if (this.isNodeType("Statement") && t.isExpression(replacement)) {
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if (!this.canHaveVariableDeclarationOrExpression() && !this.canSwapBetweenExpressionAndStatement(replacement) && !this.parentPath.isExportDefaultDeclaration()) {
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replacement = t.expressionStatement(replacement);
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nodePath = "expression";
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}
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}
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if (this.isNodeType("Expression") && t.isStatement(replacement)) {
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if (!this.canHaveVariableDeclarationOrExpression() && !this.canSwapBetweenExpressionAndStatement(replacement)) {
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return this.replaceExpressionWithStatements([replacement]);
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}
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}
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const oldNode = this.node;
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if (oldNode) {
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t.inheritsComments(replacement, oldNode);
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t.removeComments(oldNode);
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}
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this._replaceWith(replacement);
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this.type = replacement.type;
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this.setScope();
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this.requeue();
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return [nodePath ? this.get(nodePath) : this];
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}
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function _replaceWith(node) {
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if (!this.container) {
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throw new ReferenceError("Container is falsy");
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}
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if (this.inList) {
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t.validate(this.parent, this.key, [node]);
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} else {
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t.validate(this.parent, this.key, node);
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}
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this.debug(`Replace with ${node && node.type}`);
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this.node = this.container[this.key] = node;
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}
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function replaceExpressionWithStatements(nodes) {
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this.resync();
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const toSequenceExpression = t.toSequenceExpression(nodes, this.scope);
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if (toSequenceExpression) {
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return this.replaceWith(toSequenceExpression)[0].get("expressions");
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}
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const functionParent = this.getFunctionParent();
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const isParentAsync = functionParent && functionParent.is("async");
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const container = t.arrowFunctionExpression([], t.blockStatement(nodes));
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this.replaceWith(t.callExpression(container, []));
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this.traverse(hoistVariablesVisitor);
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const completionRecords = this.get("callee").getCompletionRecords();
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for (const path of completionRecords) {
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if (!path.isExpressionStatement()) continue;
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const loop = path.findParent(path => path.isLoop());
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if (loop) {
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let uid = loop.getData("expressionReplacementReturnUid");
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if (!uid) {
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const callee = this.get("callee");
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uid = callee.scope.generateDeclaredUidIdentifier("ret");
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callee.get("body").pushContainer("body", t.returnStatement(t.cloneNode(uid)));
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loop.setData("expressionReplacementReturnUid", uid);
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} else {
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uid = t.identifier(uid.name);
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}
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path.get("expression").replaceWith(t.assignmentExpression("=", t.cloneNode(uid), path.node.expression));
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} else {
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path.replaceWith(t.returnStatement(path.node.expression));
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}
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}
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const callee = this.get("callee");
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callee.arrowFunctionToExpression();
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if (isParentAsync && _index.default.hasType(this.get("callee.body").node, "AwaitExpression", t.FUNCTION_TYPES)) {
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callee.set("async", true);
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this.replaceWith(t.awaitExpression(this.node));
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}
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return callee.get("body.body");
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}
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function replaceInline(nodes) {
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this.resync();
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if (Array.isArray(nodes)) {
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if (Array.isArray(this.container)) {
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nodes = this._verifyNodeList(nodes);
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const paths = this._containerInsertAfter(nodes);
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this.remove();
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return paths;
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} else {
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return this.replaceWithMultiple(nodes);
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}
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} else {
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return this.replaceWith(nodes);
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}
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}
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