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120 lines
4.0 KiB
120 lines
4.0 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.default = wrapFunction;
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var _helperFunctionName = _interopRequireDefault(require("@babel/helper-function-name"));
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var _template = _interopRequireDefault(require("@babel/template"));
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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 buildAnonymousExpressionWrapper = _template.default.expression(`
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(function () {
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var REF = FUNCTION;
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return function NAME(PARAMS) {
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return REF.apply(this, arguments);
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};
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})()
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`);
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const buildNamedExpressionWrapper = _template.default.expression(`
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(function () {
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var REF = FUNCTION;
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function NAME(PARAMS) {
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return REF.apply(this, arguments);
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}
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return NAME;
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})()
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`);
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const buildDeclarationWrapper = (0, _template.default)(`
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function NAME(PARAMS) { return REF.apply(this, arguments); }
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function REF() {
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REF = FUNCTION;
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return REF.apply(this, arguments);
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}
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`);
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function classOrObjectMethod(path, callId) {
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const node = path.node;
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const body = node.body;
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const container = t.functionExpression(null, [], t.blockStatement(body.body), true);
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body.body = [t.returnStatement(t.callExpression(t.callExpression(callId, [container]), []))];
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node.async = false;
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node.generator = false;
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path.get("body.body.0.argument.callee.arguments.0").unwrapFunctionEnvironment();
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}
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function plainFunction(path, callId) {
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const node = path.node;
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const isDeclaration = path.isFunctionDeclaration();
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const functionId = node.id;
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const wrapper = isDeclaration ? buildDeclarationWrapper : functionId ? buildNamedExpressionWrapper : buildAnonymousExpressionWrapper;
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if (path.isArrowFunctionExpression()) {
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path.arrowFunctionToExpression();
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}
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node.id = null;
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if (isDeclaration) {
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node.type = "FunctionExpression";
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}
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const built = t.callExpression(callId, [node]);
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const container = wrapper({
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NAME: functionId || null,
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REF: path.scope.generateUidIdentifier(functionId ? functionId.name : "ref"),
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FUNCTION: built,
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PARAMS: node.params.reduce((acc, param) => {
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acc.done = acc.done || t.isAssignmentPattern(param) || t.isRestElement(param);
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if (!acc.done) {
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acc.params.push(path.scope.generateUidIdentifier("x"));
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}
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return acc;
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}, {
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params: [],
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done: false
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}).params
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});
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if (isDeclaration) {
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path.replaceWith(container[0]);
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path.insertAfter(container[1]);
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} else {
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const retFunction = container.callee.body.body[1].argument;
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if (!functionId) {
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(0, _helperFunctionName.default)({
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node: retFunction,
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parent: path.parent,
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scope: path.scope
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});
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}
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if (!retFunction || retFunction.id || node.params.length) {
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path.replaceWith(container);
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} else {
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path.replaceWith(built);
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}
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}
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}
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function wrapFunction(path, callId) {
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if (path.isClassMethod() || path.isObjectMethod()) {
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classOrObjectMethod(path, callId);
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} else {
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plainFunction(path, callId);
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}
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}
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