diff options
Diffstat (limited to 'node_modules/babel-plugin-transform-object-rest-spread/lib/index.js')
| -rw-r--r-- | node_modules/babel-plugin-transform-object-rest-spread/lib/index.js | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/node_modules/babel-plugin-transform-object-rest-spread/lib/index.js b/node_modules/babel-plugin-transform-object-rest-spread/lib/index.js deleted file mode 100644 index 136e9bd..0000000 --- a/node_modules/babel-plugin-transform-object-rest-spread/lib/index.js +++ /dev/null @@ -1,288 +0,0 @@ -"use strict"; - -exports.__esModule = true; - -var _getIterator2 = require("babel-runtime/core-js/get-iterator"); - -var _getIterator3 = _interopRequireDefault(_getIterator2); - -exports.default = function (_ref) { - var t = _ref.types; - - function hasRestProperty(path) { - var foundRestProperty = false; - path.traverse({ - RestProperty: function RestProperty() { - foundRestProperty = true; - path.stop(); - } - }); - return foundRestProperty; - } - - function hasSpread(node) { - for (var _iterator = node.properties, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) { - var _ref2; - - if (_isArray) { - if (_i >= _iterator.length) break; - _ref2 = _iterator[_i++]; - } else { - _i = _iterator.next(); - if (_i.done) break; - _ref2 = _i.value; - } - - var prop = _ref2; - - if (t.isSpreadProperty(prop)) { - return true; - } - } - return false; - } - - function createObjectSpread(file, props, objRef) { - var restProperty = props.pop(); - - var keys = []; - for (var _iterator2 = props, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) { - var _ref3; - - if (_isArray2) { - if (_i2 >= _iterator2.length) break; - _ref3 = _iterator2[_i2++]; - } else { - _i2 = _iterator2.next(); - if (_i2.done) break; - _ref3 = _i2.value; - } - - var prop = _ref3; - - var key = prop.key; - if (t.isIdentifier(key) && !prop.computed) { - key = t.stringLiteral(prop.key.name); - } - keys.push(key); - } - - return [restProperty.argument, t.callExpression(file.addHelper("objectWithoutProperties"), [objRef, t.arrayExpression(keys)])]; - } - - function replaceRestProperty(parentPath, paramPath, i, numParams) { - if (paramPath.isAssignmentPattern()) { - replaceRestProperty(parentPath, paramPath.get("left"), i, numParams); - return; - } - - if (paramPath.isObjectPattern() && hasRestProperty(paramPath)) { - var uid = parentPath.scope.generateUidIdentifier("ref"); - - var declar = t.variableDeclaration("let", [t.variableDeclarator(paramPath.node, uid)]); - declar._blockHoist = i ? numParams - i : 1; - - parentPath.ensureBlock(); - parentPath.get("body").unshiftContainer("body", declar); - paramPath.replaceWith(uid); - } - } - - return { - inherits: require("babel-plugin-syntax-object-rest-spread"), - - visitor: { - Function: function Function(path) { - var params = path.get("params"); - for (var i = 0; i < params.length; i++) { - replaceRestProperty(params[i].parentPath, params[i], i, params.length); - } - }, - VariableDeclarator: function VariableDeclarator(path, file) { - if (!path.get("id").isObjectPattern()) { - return; - } - - var insertionPath = path; - - path.get("id").traverse({ - RestProperty: function RestProperty(path) { - if (this.originalPath.node.id.properties.length > 1 && !t.isIdentifier(this.originalPath.node.init)) { - var initRef = path.scope.generateUidIdentifierBasedOnNode(this.originalPath.node.init, "ref"); - - this.originalPath.insertBefore(t.variableDeclarator(initRef, this.originalPath.node.init)); - - this.originalPath.replaceWith(t.variableDeclarator(this.originalPath.node.id, initRef)); - - return; - } - - var ref = this.originalPath.node.init; - var refPropertyPath = []; - - path.findParent(function (path) { - if (path.isObjectProperty()) { - refPropertyPath.unshift(path.node.key.name); - } else if (path.isVariableDeclarator()) { - return true; - } - }); - - if (refPropertyPath.length) { - refPropertyPath.forEach(function (prop) { - ref = t.memberExpression(ref, t.identifier(prop)); - }); - } - - var _createObjectSpread = createObjectSpread(file, path.parentPath.node.properties, ref), - argument = _createObjectSpread[0], - callExpression = _createObjectSpread[1]; - - insertionPath.insertAfter(t.variableDeclarator(argument, callExpression)); - - insertionPath = insertionPath.getSibling(insertionPath.key + 1); - - if (path.parentPath.node.properties.length === 0) { - path.findParent(function (path) { - return path.isObjectProperty() || path.isVariableDeclarator(); - }).remove(); - } - } - }, { - originalPath: path - }); - }, - ExportNamedDeclaration: function ExportNamedDeclaration(path) { - var declaration = path.get("declaration"); - if (!declaration.isVariableDeclaration()) return; - if (!hasRestProperty(declaration)) return; - - var specifiers = []; - - for (var name in path.getOuterBindingIdentifiers(path)) { - var id = t.identifier(name); - specifiers.push(t.exportSpecifier(id, id)); - } - - path.replaceWith(declaration.node); - path.insertAfter(t.exportNamedDeclaration(null, specifiers)); - }, - CatchClause: function CatchClause(path) { - var paramPath = path.get("param"); - replaceRestProperty(paramPath.parentPath, paramPath); - }, - AssignmentExpression: function AssignmentExpression(path, file) { - var leftPath = path.get("left"); - if (leftPath.isObjectPattern() && hasRestProperty(leftPath)) { - var nodes = []; - - var ref = void 0; - if (path.isCompletionRecord() || path.parentPath.isExpressionStatement()) { - ref = path.scope.generateUidIdentifierBasedOnNode(path.node.right, "ref"); - - nodes.push(t.variableDeclaration("var", [t.variableDeclarator(ref, path.node.right)])); - } - - var _createObjectSpread2 = createObjectSpread(file, path.node.left.properties, ref), - argument = _createObjectSpread2[0], - callExpression = _createObjectSpread2[1]; - - var nodeWithoutSpread = t.clone(path.node); - nodeWithoutSpread.right = ref; - nodes.push(t.expressionStatement(nodeWithoutSpread)); - nodes.push(t.toStatement(t.assignmentExpression("=", argument, callExpression))); - - if (ref) { - nodes.push(t.expressionStatement(ref)); - } - - path.replaceWithMultiple(nodes); - } - }, - ForXStatement: function ForXStatement(path) { - var node = path.node, - scope = path.scope; - - var leftPath = path.get("left"); - var left = node.left; - - if (t.isObjectPattern(left) && hasRestProperty(leftPath)) { - var temp = scope.generateUidIdentifier("ref"); - - node.left = t.variableDeclaration("var", [t.variableDeclarator(temp)]); - - path.ensureBlock(); - - node.body.body.unshift(t.variableDeclaration("var", [t.variableDeclarator(left, temp)])); - - return; - } - - if (!t.isVariableDeclaration(left)) return; - - var pattern = left.declarations[0].id; - if (!t.isObjectPattern(pattern)) return; - - var key = scope.generateUidIdentifier("ref"); - node.left = t.variableDeclaration(left.kind, [t.variableDeclarator(key, null)]); - - path.ensureBlock(); - - node.body.body.unshift(t.variableDeclaration(node.left.kind, [t.variableDeclarator(pattern, key)])); - }, - ObjectExpression: function ObjectExpression(path, file) { - if (!hasSpread(path.node)) return; - - var useBuiltIns = file.opts.useBuiltIns || false; - if (typeof useBuiltIns !== "boolean") { - throw new Error("transform-object-rest-spread currently only accepts a boolean " + "option for useBuiltIns (defaults to false)"); - } - - var args = []; - var props = []; - - function push() { - if (!props.length) return; - args.push(t.objectExpression(props)); - props = []; - } - - for (var _iterator3 = path.node.properties, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) { - var _ref4; - - if (_isArray3) { - if (_i3 >= _iterator3.length) break; - _ref4 = _iterator3[_i3++]; - } else { - _i3 = _iterator3.next(); - if (_i3.done) break; - _ref4 = _i3.value; - } - - var prop = _ref4; - - if (t.isSpreadProperty(prop)) { - push(); - args.push(prop.argument); - } else { - props.push(prop); - } - } - - push(); - - if (!t.isObjectExpression(args[0])) { - args.unshift(t.objectExpression([])); - } - - var helper = useBuiltIns ? t.memberExpression(t.identifier("Object"), t.identifier("assign")) : file.addHelper("extends"); - - path.replaceWith(t.callExpression(helper, args)); - } - } - }; -}; - -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - -module.exports = exports["default"];
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