“use strict”;

Object.defineProperty(exports, “__esModule”, {

value: true

}); exports.default = createTemplateBuilder;

var _options = require(“./options”);

var _string = _interopRequireDefault(require(“./string”));

var _literal = _interopRequireDefault(require(“./literal”));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const NO_PLACEHOLDER = (0, _options.validate)({

placeholderPattern: false

});

function createTemplateBuilder(formatter, defaultOpts) {

const templateFnCache = new WeakMap();
const templateAstCache = new WeakMap();
const cachedOpts = defaultOpts || (0, _options.validate)(null);
return Object.assign((tpl, ...args) => {
  if (typeof tpl === "string") {
    if (args.length > 1) throw new Error("Unexpected extra params.");
    return extendedTrace((0, _string.default)(formatter, tpl, (0, _options.merge)(cachedOpts, (0, _options.validate)(args[0]))));
  } else if (Array.isArray(tpl)) {
    let builder = templateFnCache.get(tpl);

    if (!builder) {
      builder = (0, _literal.default)(formatter, tpl, cachedOpts);
      templateFnCache.set(tpl, builder);
    }

    return extendedTrace(builder(args));
  } else if (typeof tpl === "object" && tpl) {
    if (args.length > 0) throw new Error("Unexpected extra params.");
    return createTemplateBuilder(formatter, (0, _options.merge)(cachedOpts, (0, _options.validate)(tpl)));
  }

  throw new Error(`Unexpected template param ${typeof tpl}`);
}, {
  ast: (tpl, ...args) => {
    if (typeof tpl === "string") {
      if (args.length > 1) throw new Error("Unexpected extra params.");
      return (0, _string.default)(formatter, tpl, (0, _options.merge)((0, _options.merge)(cachedOpts, (0, _options.validate)(args[0])), NO_PLACEHOLDER))();
    } else if (Array.isArray(tpl)) {
      let builder = templateAstCache.get(tpl);

      if (!builder) {
        builder = (0, _literal.default)(formatter, tpl, (0, _options.merge)(cachedOpts, NO_PLACEHOLDER));
        templateAstCache.set(tpl, builder);
      }

      return builder(args)();
    }

    throw new Error(`Unexpected template param ${typeof tpl}`);
  }
});

}

function extendedTrace(fn) {

let rootStack = "";

try {
  throw new Error();
} catch (error) {
  if (error.stack) {
    rootStack = error.stack.split("\n").slice(3).join("\n");
  }
}

return arg => {
  try {
    return fn(arg);
  } catch (err) {
    err.stack += `\n    =============\n${rootStack}`;
    throw err;
  }
};

}