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127 lines
3.5 KiB
127 lines
3.5 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 = require("@babel/helper-function-name");
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var _template = require("@babel/template");
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var _t = require("@babel/types");
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const {
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blockStatement,
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callExpression,
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functionExpression,
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isAssignmentPattern,
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isFunctionDeclaration,
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isRestElement,
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returnStatement,
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isCallExpression
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} = _t;
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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 = _template.default.statements(`
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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 = functionExpression(null, [], blockStatement(body.body), true);
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body.body = [returnStatement(callExpression(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(inPath, callId, noNewArrows, ignoreFunctionLength) {
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let path = inPath;
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let node;
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let functionId = null;
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const nodeParams = inPath.node.params;
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if (path.isArrowFunctionExpression()) {
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{
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var _path$arrowFunctionTo;
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path = (_path$arrowFunctionTo = path.arrowFunctionToExpression({
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noNewArrows
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})) != null ? _path$arrowFunctionTo : path;
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}
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node = path.node;
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} else {
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node = path.node;
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}
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const isDeclaration = isFunctionDeclaration(node);
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let built = node;
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if (!isCallExpression(node)) {
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functionId = node.id;
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node.id = null;
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node.type = "FunctionExpression";
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built = callExpression(callId, [node]);
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}
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const params = [];
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for (const param of nodeParams) {
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if (isAssignmentPattern(param) || isRestElement(param)) {
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break;
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}
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params.push(path.scope.generateUidIdentifier("x"));
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}
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const wrapperArgs = {
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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: params
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};
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if (isDeclaration) {
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const container = buildDeclarationWrapper(wrapperArgs);
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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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let container;
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if (functionId) {
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container = buildNamedExpressionWrapper(wrapperArgs);
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} else {
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container = buildAnonymousExpressionWrapper(wrapperArgs);
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const returnFn = container.callee.body.body[1].argument;
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(0, _helperFunctionName.default)({
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node: returnFn,
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parent: path.parent,
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scope: path.scope
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});
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functionId = returnFn.id;
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}
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if (functionId || !ignoreFunctionLength && 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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noNewArrows = true, ignoreFunctionLength = false) {
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if (path.isMethod()) {
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classOrObjectMethod(path, callId);
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} else {
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plainFunction(path, callId, noNewArrows, ignoreFunctionLength);
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}
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}
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//# sourceMappingURL=index.js.map
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