lepu-test-platform-web/node_modules/babel-generator/lib/node/index.js

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"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
var _keys = require("babel-runtime/core-js/object/keys");
var _keys2 = _interopRequireDefault(_keys);
exports.needsWhitespace = needsWhitespace;
exports.needsWhitespaceBefore = needsWhitespaceBefore;
exports.needsWhitespaceAfter = needsWhitespaceAfter;
exports.needsParens = needsParens;
var _whitespace = require("./whitespace");
var _whitespace2 = _interopRequireDefault(_whitespace);
var _parentheses = require("./parentheses");
var parens = _interopRequireWildcard(_parentheses);
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
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)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function expandAliases(obj) {
var newObj = {};
function add(type, func) {
var fn = newObj[type];
newObj[type] = fn ? function (node, parent, stack) {
var result = fn(node, parent, stack);
return result == null ? func(node, parent, stack) : result;
} : func;
}
for (var _iterator = (0, _keys2.default)(obj), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var type = _ref;
var aliases = t.FLIPPED_ALIAS_KEYS[type];
if (aliases) {
for (var _iterator2 = aliases, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : (0, _getIterator3.default)(_iterator2);;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var alias = _ref2;
add(alias, obj[type]);
}
} else {
add(type, obj[type]);
}
}
return newObj;
}
var expandedParens = expandAliases(parens);
var expandedWhitespaceNodes = expandAliases(_whitespace2.default.nodes);
var expandedWhitespaceList = expandAliases(_whitespace2.default.list);
function find(obj, node, parent, printStack) {
var fn = obj[node.type];
return fn ? fn(node, parent, printStack) : null;
}
function isOrHasCallExpression(node) {
if (t.isCallExpression(node)) {
return true;
}
if (t.isMemberExpression(node)) {
return isOrHasCallExpression(node.object) || !node.computed && isOrHasCallExpression(node.property);
} else {
return false;
}
}
function needsWhitespace(node, parent, type) {
if (!node) return 0;
if (t.isExpressionStatement(node)) {
node = node.expression;
}
var linesInfo = find(expandedWhitespaceNodes, node, parent);
if (!linesInfo) {
var items = find(expandedWhitespaceList, node, parent);
if (items) {
for (var i = 0; i < items.length; i++) {
linesInfo = needsWhitespace(items[i], node, type);
if (linesInfo) break;
}
}
}
return linesInfo && linesInfo[type] || 0;
}
function needsWhitespaceBefore(node, parent) {
return needsWhitespace(node, parent, "before");
}
function needsWhitespaceAfter(node, parent) {
return needsWhitespace(node, parent, "after");
}
function needsParens(node, parent, printStack) {
if (!parent) return false;
if (t.isNewExpression(parent) && parent.callee === node) {
if (isOrHasCallExpression(node)) return true;
}
return find(expandedParens, node, parent, printStack);
}