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132 lines
3.7 KiB
JavaScript

6 years ago
"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 isString(node) {
return t.isLiteral(node) && typeof node.value === "string";
}
function buildBinaryExpression(left, right) {
return t.binaryExpression("+", left, right);
}
return {
visitor: {
TaggedTemplateExpression: function TaggedTemplateExpression(path, state) {
var node = path.node;
var quasi = node.quasi;
var args = [];
var strings = [];
var raw = [];
for (var _iterator = quasi.quasis, _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 elem = _ref2;
strings.push(t.stringLiteral(elem.value.cooked));
raw.push(t.stringLiteral(elem.value.raw));
}
strings = t.arrayExpression(strings);
raw = t.arrayExpression(raw);
var templateName = "taggedTemplateLiteral";
if (state.opts.loose) templateName += "Loose";
var templateObject = state.file.addTemplateObject(templateName, strings, raw);
args.push(templateObject);
args = args.concat(quasi.expressions);
path.replaceWith(t.callExpression(node.tag, args));
},
TemplateLiteral: function TemplateLiteral(path, state) {
var nodes = [];
var expressions = path.get("expressions");
for (var _iterator2 = path.node.quasis, _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 elem = _ref3;
nodes.push(t.stringLiteral(elem.value.cooked));
var expr = expressions.shift();
if (expr) {
if (state.opts.spec && !expr.isBaseType("string") && !expr.isBaseType("number")) {
nodes.push(t.callExpression(t.identifier("String"), [expr.node]));
} else {
nodes.push(expr.node);
}
}
}
nodes = nodes.filter(function (n) {
return !t.isLiteral(n, { value: "" });
});
if (!isString(nodes[0]) && !isString(nodes[1])) {
nodes.unshift(t.stringLiteral(""));
}
if (nodes.length > 1) {
var root = buildBinaryExpression(nodes.shift(), nodes.shift());
for (var _iterator3 = nodes, _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 node = _ref4;
root = buildBinaryExpression(root, node);
}
path.replaceWith(root);
} else {
path.replaceWith(nodes[0]);
}
}
}
};
};
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
module.exports = exports["default"];