| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350 |
- "use strict";
- exports.__esModule = true;
- var _maxSafeInteger = require("babel-runtime/core-js/number/max-safe-integer");
- var _maxSafeInteger2 = _interopRequireDefault(_maxSafeInteger);
- var _stringify = require("babel-runtime/core-js/json/stringify");
- var _stringify2 = _interopRequireDefault(_stringify);
- var _getIterator2 = require("babel-runtime/core-js/get-iterator");
- var _getIterator3 = _interopRequireDefault(_getIterator2);
- exports.toComputedKey = toComputedKey;
- exports.toSequenceExpression = toSequenceExpression;
- exports.toKeyAlias = toKeyAlias;
- exports.toIdentifier = toIdentifier;
- exports.toBindingIdentifierName = toBindingIdentifierName;
- exports.toStatement = toStatement;
- exports.toExpression = toExpression;
- exports.toBlock = toBlock;
- exports.valueToNode = valueToNode;
- var _isPlainObject = require("lodash/isPlainObject");
- var _isPlainObject2 = _interopRequireDefault(_isPlainObject);
- var _isRegExp = require("lodash/isRegExp");
- var _isRegExp2 = _interopRequireDefault(_isRegExp);
- var _index = require("./index");
- var t = _interopRequireWildcard(_index);
- 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 toComputedKey(node) {
- var key = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : node.key || node.property;
- if (!node.computed) {
- if (t.isIdentifier(key)) key = t.stringLiteral(key.name);
- }
- return key;
- }
- function gatherSequenceExpressions(nodes, scope, declars) {
- var exprs = [];
- var ensureLastUndefined = true;
- for (var _iterator = nodes, _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 node = _ref;
- ensureLastUndefined = false;
- if (t.isExpression(node)) {
- exprs.push(node);
- } else if (t.isExpressionStatement(node)) {
- exprs.push(node.expression);
- } else if (t.isVariableDeclaration(node)) {
- if (node.kind !== "var") return;
- for (var _iterator2 = node.declarations, _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 declar = _ref2;
- var bindings = t.getBindingIdentifiers(declar);
- for (var key in bindings) {
- declars.push({
- kind: node.kind,
- id: bindings[key]
- });
- }
- if (declar.init) {
- exprs.push(t.assignmentExpression("=", declar.id, declar.init));
- }
- }
- ensureLastUndefined = true;
- } else if (t.isIfStatement(node)) {
- var consequent = node.consequent ? gatherSequenceExpressions([node.consequent], scope, declars) : scope.buildUndefinedNode();
- var alternate = node.alternate ? gatherSequenceExpressions([node.alternate], scope, declars) : scope.buildUndefinedNode();
- if (!consequent || !alternate) return;
- exprs.push(t.conditionalExpression(node.test, consequent, alternate));
- } else if (t.isBlockStatement(node)) {
- var body = gatherSequenceExpressions(node.body, scope, declars);
- if (!body) return;
- exprs.push(body);
- } else if (t.isEmptyStatement(node)) {
- ensureLastUndefined = true;
- } else {
- return;
- }
- }
- if (ensureLastUndefined) {
- exprs.push(scope.buildUndefinedNode());
- }
- if (exprs.length === 1) {
- return exprs[0];
- } else {
- return t.sequenceExpression(exprs);
- }
- }
- function toSequenceExpression(nodes, scope) {
- if (!nodes || !nodes.length) return;
- var declars = [];
- var result = gatherSequenceExpressions(nodes, scope, declars);
- if (!result) return;
- for (var _iterator3 = declars, _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : (0, _getIterator3.default)(_iterator3);;) {
- var _ref3;
- if (_isArray3) {
- if (_i3 >= _iterator3.length) break;
- _ref3 = _iterator3[_i3++];
- } else {
- _i3 = _iterator3.next();
- if (_i3.done) break;
- _ref3 = _i3.value;
- }
- var declar = _ref3;
- scope.push(declar);
- }
- return result;
- }
- function toKeyAlias(node) {
- var key = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : node.key;
- var alias = void 0;
- if (node.kind === "method") {
- return toKeyAlias.increment() + "";
- } else if (t.isIdentifier(key)) {
- alias = key.name;
- } else if (t.isStringLiteral(key)) {
- alias = (0, _stringify2.default)(key.value);
- } else {
- alias = (0, _stringify2.default)(t.removePropertiesDeep(t.cloneDeep(key)));
- }
- if (node.computed) {
- alias = "[" + alias + "]";
- }
- if (node.static) {
- alias = "static:" + alias;
- }
- return alias;
- }
- toKeyAlias.uid = 0;
- toKeyAlias.increment = function () {
- if (toKeyAlias.uid >= _maxSafeInteger2.default) {
- return toKeyAlias.uid = 0;
- } else {
- return toKeyAlias.uid++;
- }
- };
- function toIdentifier(name) {
- name = name + "";
- name = name.replace(/[^a-zA-Z0-9$_]/g, "-");
- name = name.replace(/^[-0-9]+/, "");
- name = name.replace(/[-\s]+(.)?/g, function (match, c) {
- return c ? c.toUpperCase() : "";
- });
- if (!t.isValidIdentifier(name)) {
- name = "_" + name;
- }
- return name || "_";
- }
- function toBindingIdentifierName(name) {
- name = toIdentifier(name);
- if (name === "eval" || name === "arguments") name = "_" + name;
- return name;
- }
- function toStatement(node, ignore) {
- if (t.isStatement(node)) {
- return node;
- }
- var mustHaveId = false;
- var newType = void 0;
- if (t.isClass(node)) {
- mustHaveId = true;
- newType = "ClassDeclaration";
- } else if (t.isFunction(node)) {
- mustHaveId = true;
- newType = "FunctionDeclaration";
- } else if (t.isAssignmentExpression(node)) {
- return t.expressionStatement(node);
- }
- if (mustHaveId && !node.id) {
- newType = false;
- }
- if (!newType) {
- if (ignore) {
- return false;
- } else {
- throw new Error("cannot turn " + node.type + " to a statement");
- }
- }
- node.type = newType;
- return node;
- }
- function toExpression(node) {
- if (t.isExpressionStatement(node)) {
- node = node.expression;
- }
- if (t.isExpression(node)) {
- return node;
- }
- if (t.isClass(node)) {
- node.type = "ClassExpression";
- } else if (t.isFunction(node)) {
- node.type = "FunctionExpression";
- }
- if (!t.isExpression(node)) {
- throw new Error("cannot turn " + node.type + " to an expression");
- }
- return node;
- }
- function toBlock(node, parent) {
- if (t.isBlockStatement(node)) {
- return node;
- }
- if (t.isEmptyStatement(node)) {
- node = [];
- }
- if (!Array.isArray(node)) {
- if (!t.isStatement(node)) {
- if (t.isFunction(parent)) {
- node = t.returnStatement(node);
- } else {
- node = t.expressionStatement(node);
- }
- }
- node = [node];
- }
- return t.blockStatement(node);
- }
- function valueToNode(value) {
- if (value === undefined) {
- return t.identifier("undefined");
- }
- if (value === true || value === false) {
- return t.booleanLiteral(value);
- }
- if (value === null) {
- return t.nullLiteral();
- }
- if (typeof value === "string") {
- return t.stringLiteral(value);
- }
- if (typeof value === "number") {
- return t.numericLiteral(value);
- }
- if ((0, _isRegExp2.default)(value)) {
- var pattern = value.source;
- var flags = value.toString().match(/\/([a-z]+|)$/)[1];
- return t.regExpLiteral(pattern, flags);
- }
- if (Array.isArray(value)) {
- return t.arrayExpression(value.map(t.valueToNode));
- }
- if ((0, _isPlainObject2.default)(value)) {
- var props = [];
- for (var key in value) {
- var nodeKey = void 0;
- if (t.isValidIdentifier(key)) {
- nodeKey = t.identifier(key);
- } else {
- nodeKey = t.stringLiteral(key);
- }
- props.push(t.objectProperty(nodeKey, t.valueToNode(value[key])));
- }
- return t.objectExpression(props);
- }
- throw new Error("don't know how to turn this value into a node");
- }
|