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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
-
- var _helperPluginUtils = require("@babel/helper-plugin-utils");
-
- var _core = require("@babel/core");
-
- var _default = (0, _helperPluginUtils.declare)((api, options) => {
- api.assertVersion(7);
- const {
- loose
- } = options;
- let helperName = "taggedTemplateLiteral";
- if (loose) helperName += "Loose";
-
- function buildConcatCallExpressions(items) {
- let avail = true;
- return items.reduce(function (left, right) {
- let canBeInserted = _core.types.isLiteral(right);
-
- if (!canBeInserted && avail) {
- canBeInserted = true;
- avail = false;
- }
-
- if (canBeInserted && _core.types.isCallExpression(left)) {
- left.arguments.push(right);
- return left;
- }
-
- return _core.types.callExpression(_core.types.memberExpression(left, _core.types.identifier("concat")), [right]);
- });
- }
-
- return {
- name: "transform-template-literals",
- visitor: {
- TaggedTemplateExpression(path) {
- const {
- node
- } = path;
- const {
- quasi
- } = node;
- const strings = [];
- const raws = [];
- let isStringsRawEqual = true;
-
- for (const elem of quasi.quasis) {
- const {
- raw,
- cooked
- } = elem.value;
- const value = cooked == null ? path.scope.buildUndefinedNode() : _core.types.stringLiteral(cooked);
- strings.push(value);
- raws.push(_core.types.stringLiteral(raw));
-
- if (raw !== cooked) {
- isStringsRawEqual = false;
- }
- }
-
- const scope = path.scope.getProgramParent();
- const templateObject = scope.generateUidIdentifier("templateObject");
- const helperId = this.addHelper(helperName);
- const callExpressionInput = [_core.types.arrayExpression(strings)];
-
- if (!isStringsRawEqual) {
- callExpressionInput.push(_core.types.arrayExpression(raws));
- }
-
- const lazyLoad = _core.template.ast`
- function ${templateObject}() {
- const data = ${_core.types.callExpression(helperId, callExpressionInput)};
- ${templateObject} = function() { return data };
- return data;
- }
- `;
- scope.path.unshiftContainer("body", lazyLoad);
- path.replaceWith(_core.types.callExpression(node.tag, [_core.types.callExpression(_core.types.cloneNode(templateObject), []), ...quasi.expressions]));
- },
-
- TemplateLiteral(path) {
- const nodes = [];
- const expressions = path.get("expressions");
- let index = 0;
-
- for (const elem of path.node.quasis) {
- if (elem.value.cooked) {
- nodes.push(_core.types.stringLiteral(elem.value.cooked));
- }
-
- if (index < expressions.length) {
- const expr = expressions[index++];
- const node = expr.node;
-
- if (!_core.types.isStringLiteral(node, {
- value: ""
- })) {
- nodes.push(node);
- }
- }
- }
-
- const considerSecondNode = !loose || !_core.types.isStringLiteral(nodes[1]);
-
- if (!_core.types.isStringLiteral(nodes[0]) && considerSecondNode) {
- nodes.unshift(_core.types.stringLiteral(""));
- }
-
- let root = nodes[0];
-
- if (loose) {
- for (let i = 1; i < nodes.length; i++) {
- root = _core.types.binaryExpression("+", root, nodes[i]);
- }
- } else if (nodes.length > 1) {
- root = buildConcatCallExpressions(nodes);
- }
-
- path.replaceWith(root);
- }
-
- }
- };
- });
-
- exports.default = _default;
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