mirror of
https://github.com/shivammathur/setup-php.git
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79 lines
3.0 KiB
JavaScript
79 lines
3.0 KiB
JavaScript
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"use strict";
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exports.__esModule = true;
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exports["default"] = replaceShorthandObjectMethod;
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var util = _interopRequireWildcard(require("./util"));
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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; } }
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/**
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* Copyright (c) 2014-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// this function converts a shorthand object generator method into a normal
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// (non-shorthand) object property which is a generator function expression. for
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// example, this:
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//
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// var foo = {
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// *bar(baz) { return 5; }
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// }
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//
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// should be replaced with:
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//
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// var foo = {
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// bar: function*(baz) { return 5; }
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// }
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//
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// to do this, it clones the parameter array and the body of the object generator
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// method into a new FunctionExpression.
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//
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// this method can be passed any Function AST node path, and it will return
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// either:
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// a) the path that was passed in (iff the path did not need to be replaced) or
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// b) the path of the new FunctionExpression that was created as a replacement
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// (iff the path did need to be replaced)
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//
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// In either case, though, the caller can count on the fact that the return value
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// is a Function AST node path.
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//
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// If this function is called with an AST node path that is not a Function (or with an
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// argument that isn't an AST node path), it will throw an error.
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function replaceShorthandObjectMethod(path) {
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var t = util.getTypes();
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if (!path.node || !t.isFunction(path.node)) {
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throw new Error("replaceShorthandObjectMethod can only be called on Function AST node paths.");
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} // this function only replaces shorthand object methods (called ObjectMethod
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// in Babel-speak).
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if (!t.isObjectMethod(path.node)) {
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return path;
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} // this function only replaces generators.
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if (!path.node.generator) {
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return path;
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}
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var parameters = path.node.params.map(function (param) {
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return t.cloneDeep(param);
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});
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var functionExpression = t.functionExpression(null, // id
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parameters, // params
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t.cloneDeep(path.node.body), // body
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path.node.generator, path.node.async);
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util.replaceWithOrRemove(path, t.objectProperty(t.cloneDeep(path.node.key), // key
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functionExpression, //value
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path.node.computed, // computed
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false // shorthand
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)); // path now refers to the ObjectProperty AST node path, but we want to return a
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// Function AST node path for the function expression we created. we know that
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// the FunctionExpression we just created is the value of the ObjectProperty,
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// so return the "value" path off of this path.
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return path.get("value");
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}
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