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add loose mode to template literals

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This commit is contained in:
Sebastian McKenzie 2015-03-24 03:34:42 +11:00
parent de88b28988
commit 902db03e96
1 changed files with 7 additions and 7 deletions
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14
src/babel/transformation/transformers/es6/template-literals.js
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@ -1,11 +1,11 @@
import * as t from "../../../types";
var buildBinaryExpression = function (left, right) {
return t.binaryExpression("+", coerce(left), coerce(right));
var buildBinaryExpression = function (left, right, file) {
return t.binaryExpression("+", coerce(left, file), coerce(right, file));
};
function coerce(node) {
if (t.isLiteral(node) && typeof node.value === "string") {
function coerce(node, file) {
if (file.isLoose("es7.templateLiterals") || (t.isLiteral(node) && typeof node.value === "string")) {
return node;
} else {
return t.callExpression(t.identifier("String"), [node]);
@ -41,7 +41,7 @@ export function TaggedTemplateExpression(node, parent, scope, file) {
return t.callExpression(node.tag, args);
}
export function TemplateLiteral(node) {
export function TemplateLiteral(node, parent, scope, file) {
var nodes = [];
var i;
@ -59,10 +59,10 @@ export function TemplateLiteral(node) {
var last = nodes[nodes.length - 1];
if (t.isLiteral(last, { value: "" })) nodes.pop();
var root = buildBinaryExpression(nodes.shift(), nodes.shift());
var root = buildBinaryExpression(nodes.shift(), nodes.shift(), file);
for (i = 0; i < nodes.length; i++) {
root = buildBinaryExpression(root, nodes[i]);
root = buildBinaryExpression(root, nodes[i], file);
}
return root;