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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/@babel/helper-wrap-function
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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Diffstat (limited to 'node_modules/@babel/helper-wrap-function')
-rw-r--r--node_modules/@babel/helper-wrap-function/README.md27
-rw-r--r--node_modules/@babel/helper-wrap-function/lib/index.js132
-rw-r--r--node_modules/@babel/helper-wrap-function/package.json14
3 files changed, 173 insertions, 0 deletions
diff --git a/node_modules/@babel/helper-wrap-function/README.md b/node_modules/@babel/helper-wrap-function/README.md
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+++ b/node_modules/@babel/helper-wrap-function/README.md
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+# @babel/helper-wrap-function
+
+This helper wraps a function within a call expression. It works with any function: statements, expressions and methods; both named and anonymous.
+
+## Example
+
+**In**
+
+```js
+(function () {
+}());
+```
+
+**Out**
+
+```js
+_wrapper(function () {
+})();
+```
+
+## Usage
+
+```js
+import wrapFunction from "@babel/helper-wrap-function";
+
+wrapFunction(nodePathOfTheFunction, nodeWhichReferencesToTheWrapper);
+```
diff --git a/node_modules/@babel/helper-wrap-function/lib/index.js b/node_modules/@babel/helper-wrap-function/lib/index.js
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--- /dev/null
+++ b/node_modules/@babel/helper-wrap-function/lib/index.js
@@ -0,0 +1,132 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.default = wrapFunction;
+
+function _helperFunctionName() {
+ const data = _interopRequireDefault(require("@babel/helper-function-name"));
+
+ _helperFunctionName = function _helperFunctionName() {
+ return data;
+ };
+
+ return data;
+}
+
+function _template() {
+ const data = _interopRequireDefault(require("@babel/template"));
+
+ _template = function _template() {
+ return data;
+ };
+
+ return data;
+}
+
+function t() {
+ const data = _interopRequireWildcard(require("@babel/types"));
+
+ t = function t() {
+ return data;
+ };
+
+ return data;
+}
+
+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 _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const buildExpressionWrapper = _template().default.expression(`
+ (function () {
+ var REF = FUNCTION;
+ return function NAME(PARAMS) {
+ return REF.apply(this, arguments);
+ };
+ })()
+`);
+
+const buildDeclarationWrapper = (0, _template().default)(`
+ function NAME(PARAMS) { return REF.apply(this, arguments); }
+ function REF() {
+ REF = FUNCTION;
+ return REF.apply(this, arguments);
+ }
+`);
+
+function classOrObjectMethod(path, callId) {
+ const node = path.node;
+ const body = node.body;
+ const container = t().functionExpression(null, [], t().blockStatement(body.body), true);
+ body.body = [t().returnStatement(t().callExpression(t().callExpression(callId, [container]), []))];
+ node.async = false;
+ node.generator = false;
+ path.get("body.body.0.argument.callee.arguments.0").unwrapFunctionEnvironment();
+}
+
+function plainFunction(path, callId) {
+ const node = path.node;
+ const isDeclaration = path.isFunctionDeclaration();
+ const functionId = node.id;
+ const wrapper = isDeclaration ? buildDeclarationWrapper : buildExpressionWrapper;
+
+ if (path.isArrowFunctionExpression()) {
+ path.arrowFunctionToExpression();
+ }
+
+ node.id = null;
+
+ if (isDeclaration) {
+ node.type = "FunctionExpression";
+ }
+
+ const built = t().callExpression(callId, [node]);
+ const container = wrapper({
+ NAME: functionId || null,
+ REF: path.scope.generateUidIdentifier(functionId ? functionId.name : "ref"),
+ FUNCTION: built,
+ PARAMS: node.params.reduce((acc, param) => {
+ acc.done = acc.done || t().isAssignmentPattern(param) || t().isRestElement(param);
+
+ if (!acc.done) {
+ acc.params.push(path.scope.generateUidIdentifier("x"));
+ }
+
+ return acc;
+ }, {
+ params: [],
+ done: false
+ }).params
+ });
+
+ if (isDeclaration) {
+ path.replaceWith(container[0]);
+ path.insertAfter(container[1]);
+ } else {
+ const retFunction = container.callee.body.body[1].argument;
+
+ if (!functionId) {
+ (0, _helperFunctionName().default)({
+ node: retFunction,
+ parent: path.parent,
+ scope: path.scope
+ });
+ }
+
+ if (!retFunction || retFunction.id || node.params.length) {
+ path.replaceWith(container);
+ } else {
+ path.replaceWith(built);
+ }
+ }
+}
+
+function wrapFunction(path, callId) {
+ if (path.isClassMethod() || path.isObjectMethod()) {
+ classOrObjectMethod(path, callId);
+ } else {
+ plainFunction(path, callId);
+ }
+} \ No newline at end of file
diff --git a/node_modules/@babel/helper-wrap-function/package.json b/node_modules/@babel/helper-wrap-function/package.json
new file mode 100644
index 00000000..0ad0f97d
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+++ b/node_modules/@babel/helper-wrap-function/package.json
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+{
+ "name": "@babel/helper-wrap-function",
+ "version": "7.0.0-beta.47",
+ "description": "Helper to wrap functions inside a function call.",
+ "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-wrap-function",
+ "license": "MIT",
+ "main": "lib/index.js",
+ "dependencies": {
+ "@babel/helper-function-name": "7.0.0-beta.47",
+ "@babel/template": "7.0.0-beta.47",
+ "@babel/traverse": "7.0.0-beta.47",
+ "@babel/types": "7.0.0-beta.47"
+ }
+}