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"use strict";
exports.__esModule = true;
var _symbol = require("babel-runtime/core-js/symbol");
var _symbol2 = _interopRequireDefault(_symbol);
exports.default = function (code, opts) {
var stack = void 0;
try {
throw new Error();
} catch (error) {
if (error.stack) {
stack = error.stack.split("\n").slice(1).join("\n");
}
}
opts = (0, _assign2.default)({
allowReturnOutsideFunction: true,
allowSuperOutsideMethod: true,
preserveComments: false
}, opts);
var _getAst = function getAst() {
var ast = void 0;
try {
ast = babylon.parse(code, opts);
ast = _babelTraverse2.default.removeProperties(ast, { preserveComments: opts.preserveComments });
_babelTraverse2.default.cheap(ast, function (node) {
node[FROM_TEMPLATE] = true;
});
} catch (err) {
err.stack = err.stack + "from\n" + stack;
throw err;
}
_getAst = function getAst() {
return ast;
};
return ast;
};
return function () {
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
return useTemplate(_getAst(), args);
};
};
var _cloneDeep = require("lodash/cloneDeep");
var _cloneDeep2 = _interopRequireDefault(_cloneDeep);
var _assign = require("lodash/assign");
var _assign2 = _interopRequireDefault(_assign);
var _has = require("lodash/has");
var _has2 = _interopRequireDefault(_has);
var _babelTraverse = require("babel-traverse");
var _babelTraverse2 = _interopRequireDefault(_babelTraverse);
var _babylon = require("babylon");
var babylon = _interopRequireWildcard(_babylon);
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 }; }
var FROM_TEMPLATE = "_fromTemplate";
var TEMPLATE_SKIP = (0, _symbol2.default)();
function useTemplate(ast, nodes) {
ast = (0, _cloneDeep2.default)(ast);
var _ast = ast,
program = _ast.program;
if (nodes.length) {
(0, _babelTraverse2.default)(ast, templateVisitor, null, nodes);
}
if (program.body.length > 1) {
return program.body;
} else {
return program.body[0];
}
}
var templateVisitor = {
noScope: true,
enter: function enter(path, args) {
var node = path.node;
if (node[TEMPLATE_SKIP]) return path.skip();
if (t.isExpressionStatement(node)) {
node = node.expression;
}
var replacement = void 0;
if (t.isIdentifier(node) && node[FROM_TEMPLATE]) {
if ((0, _has2.default)(args[0], node.name)) {
replacement = args[0][node.name];
} else if (node.name[0] === "$") {
var i = +node.name.slice(1);
if (args[i]) replacement = args[i];
}
}
if (replacement === null) {
path.remove();
}
if (replacement) {
replacement[TEMPLATE_SKIP] = true;
path.replaceInline(replacement);
}
},
exit: function exit(_ref) {
var node = _ref.node;
if (!node.loc) _babelTraverse2.default.clearNode(node);
}
};
module.exports = exports["default"];
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