| 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.default = wrapFunction;
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| 7 | var _template = require("@babel/template");
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| 8 | var _t = require("@babel/types");
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| 9 | const {
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| 10 | blockStatement,
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| 11 | callExpression,
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| 12 | functionExpression,
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| 13 | isAssignmentPattern,
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| 14 | isFunctionDeclaration,
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| 15 | isRestElement,
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| 16 | returnStatement,
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| 17 | isCallExpression,
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| 18 | memberExpression,
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| 19 | identifier,
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| 20 | thisExpression,
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| 21 | isPattern
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| 22 | } = _t;
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| 23 | const buildAnonymousExpressionWrapper = _template.default.expression(`
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| 24 | (function () {
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| 25 | var REF = FUNCTION;
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| 26 | return function NAME(PARAMS) {
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| 27 | return REF.apply(this, arguments);
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| 28 | };
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| 29 | })()
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| 30 | `);
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| 31 | const buildNamedExpressionWrapper = _template.default.expression(`
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| 32 | (function () {
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| 33 | var REF = FUNCTION;
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| 34 | function NAME(PARAMS) {
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| 35 | return REF.apply(this, arguments);
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| 36 | }
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| 37 | return NAME;
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| 38 | })()
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| 39 | `);
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| 40 | const buildDeclarationWrapper = _template.default.statements(`
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| 41 | function NAME(PARAMS) { return REF.apply(this, arguments); }
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| 42 | function REF() {
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| 43 | REF = FUNCTION;
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| 44 | return REF.apply(this, arguments);
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| 45 | }
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| 46 | `);
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| 47 | function classOrObjectMethod(path, callId, ignoreFunctionLength) {
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| 48 | const node = path.node;
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| 49 | const body = node.body;
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| 50 | let params = [];
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| 51 | const shouldForwardParams = node.params.some(p => isPattern(p));
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| 52 | if (shouldForwardParams) {
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| 53 | params = node.params;
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| 54 | node.params = [];
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| 55 | if (!ignoreFunctionLength) {
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| 56 | for (const param of params) {
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| 57 | if (isAssignmentPattern(param) || isRestElement(param)) {
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| 58 | break;
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| 59 | }
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| 60 | node.params.push(path.scope.generateUidIdentifier("x"));
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| 61 | }
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| 62 | }
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| 63 | }
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| 64 | const container = functionExpression(null, params, blockStatement(body.body), true);
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| 65 | if (shouldForwardParams) {
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| 66 | body.body = [returnStatement(callExpression(memberExpression(callExpression(callId, [container]), identifier("apply")), [thisExpression(), identifier("arguments")]))];
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| 67 | path.get("body.body.0.argument.callee.object.arguments.0").unwrapFunctionEnvironment();
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| 68 | } else {
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| 69 | body.body = [returnStatement(callExpression(callExpression(callId, [container]), []))];
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| 70 | path.get("body.body.0.argument.callee.arguments.0").unwrapFunctionEnvironment();
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| 71 | }
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| 72 | node.async = false;
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| 73 | node.generator = false;
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| 74 | }
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| 75 | function plainFunction(inPath, callId, noNewArrows, ignoreFunctionLength, hadName) {
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| 76 | let path = inPath;
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| 77 | let node;
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| 78 | let functionId = null;
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| 79 | const nodeParams = inPath.node.params;
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| 80 | if (path.isArrowFunctionExpression()) {
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| 81 | var _path$arrowFunctionTo;
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| 82 | path = (_path$arrowFunctionTo = path.arrowFunctionToExpression({
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| 83 | noNewArrows
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| 84 | })) != null ? _path$arrowFunctionTo : path;
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| 85 | node = path.node;
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| 86 | } else {
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| 87 | node = path.node;
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| 88 | }
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| 89 | const isDeclaration = isFunctionDeclaration(node);
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| 90 | let built = node;
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| 91 | if (!isCallExpression(node)) {
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| 92 | functionId = node.id;
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| 93 | node.id = null;
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| 94 | node.type = "FunctionExpression";
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| 95 | built = callExpression(callId, [node]);
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| 96 | }
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| 97 | const params = [];
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| 98 | for (const param of nodeParams) {
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| 99 | if (isAssignmentPattern(param) || isRestElement(param)) {
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| 100 | break;
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| 101 | }
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| 102 | params.push(path.scope.generateUidIdentifier("x"));
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| 103 | }
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| 104 | const wrapperArgs = {
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| 105 | NAME: functionId || null,
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| 106 | REF: path.scope.generateUidIdentifier(hadName ? functionId.name : "ref"),
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| 107 | FUNCTION: built,
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| 108 | PARAMS: params
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| 109 | };
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| 110 | if (isDeclaration) {
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| 111 | const container = buildDeclarationWrapper(wrapperArgs);
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| 112 | path.replaceWith(container[0]);
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| 113 | path.insertAfter(container[1]);
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| 114 | } else {
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| 115 | let container;
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| 116 | if (hadName) {
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| 117 | container = buildNamedExpressionWrapper(wrapperArgs);
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| 118 | } else {
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| 119 | container = buildAnonymousExpressionWrapper(wrapperArgs);
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| 120 | }
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| 121 | if (functionId || !ignoreFunctionLength && params.length) {
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| 122 | path.replaceWith(container);
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| 123 | } else {
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| 124 | path.replaceWith(built);
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| 125 | }
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| 126 | }
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| 127 | }
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| 128 | function wrapFunction(path, callId, noNewArrows = true, ignoreFunctionLength = false) {
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| 129 | if (path.isMethod()) {
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| 130 | classOrObjectMethod(path, callId, ignoreFunctionLength);
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| 131 | } else {
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| 132 | var _path, _path$ensureFunctionN;
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| 133 | const hadName = "id" in path.node && !!path.node.id;
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| 134 | (_path$ensureFunctionN = (_path = path).ensureFunctionName) != null ? _path$ensureFunctionN : _path.ensureFunctionName = require("@babel/traverse").NodePath.prototype.ensureFunctionName;
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| 135 | path = path.ensureFunctionName(false);
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| 136 | plainFunction(path, callId, noNewArrows, ignoreFunctionLength, hadName);
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| 137 | }
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| 138 | }
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| 139 |
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| 140 | //# sourceMappingURL=index.js.map
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