@glimmer/compiler/dist/modules/es5/lib/compiler.js

import { normalize, Source } from '@glimmer/syntax';
import { LOCAL_LOGGER } from '@glimmer/util';
import pass0 from './passes/1-normalization/index';
import { visit as pass2 } from './passes/2-encoding/index';
export var defaultId = function () {
  var req = typeof module === 'object' && typeof module.require === 'function' ? module.require : require;

  if (req) {
    try {
      var crypto = req('crypto');

      var idFn = function idFn(src) {
        var hash = crypto.createHash('sha1');
        hash.update(src, 'utf8'); // trim to 6 bytes of data (2^48 - 1)

        return hash.digest('base64').substring(0, 8);
      };

      idFn('test');
      return idFn;
    } catch (e) {}
  }

  return function idFn() {
    return null;
  };
}();
var defaultOptions = {
  id: defaultId
};
/*
 * Compile a string into a template javascript string.
 *
 * Example usage:
 *     import { precompile } from '@glimmer/compiler';
 *     import { templateFactory } from 'glimmer-runtime';
 *     let templateJs = precompile("Howdy {{name}}");
 *     let factory = templateFactory(new Function("return " + templateJs)());
 *     let template = factory.create(env);
 *
 * @method precompile
 * @param {string} string a Glimmer template string
 * @return {string} a template javascript string
 */

export function precompileJSON(string, options) {
  if (options === void 0) {
    options = defaultOptions;
  }

  var _a, _b;

  var source = new Source(string, (_a = options.meta) === null || _a === void 0 ? void 0 : _a.moduleName);

  var _normalize = normalize(source, options),
      ast = _normalize[0],
      locals = _normalize[1];

  var block = pass0(source, ast, (_b = options.strictMode) !== null && _b !== void 0 ? _b : false).mapOk(function (pass2In) {
    return pass2(pass2In);
  });

  if (false
  /* LOCAL_SHOULD_LOG */
  ) {
      LOCAL_LOGGER.log("Template ->", block);
    }

  if (block.isOk) {
    return [block.value, locals];
  } else {
    throw block.reason;
  }
} // UUID used as a unique placeholder for placing a snippet of JS code into
// the otherwise JSON stringified value below.

var SCOPE_PLACEHOLDER = '796d24e6-2450-4fb0-8cdf-b65638b5ef70';
/*
 * Compile a string into a template javascript string.
 *
 * Example usage:
 *     import { precompile } from '@glimmer/compiler';
 *     import { templateFactory } from 'glimmer-runtime';
 *     let templateJs = precompile("Howdy {{name}}");
 *     let factory = templateFactory(new Function("return " + templateJs)());
 *     let template = factory.create(env);
 *
 * @method precompile
 * @param {string} string a Glimmer template string
 * @return {string} a template javascript string
 */

export function precompile(source, options) {
  if (options === void 0) {
    options = defaultOptions;
  }

  var _a, _b;

  var _precompileJSON = precompileJSON(source, options),
      block = _precompileJSON[0],
      usedLocals = _precompileJSON[1];

  var moduleName = (_a = options.meta) === null || _a === void 0 ? void 0 : _a.moduleName;
  var idFn = options.id || defaultId;
  var blockJSON = JSON.stringify(block);
  var templateJSONObject = {
    id: idFn(JSON.stringify(options.meta) + blockJSON),
    block: blockJSON,
    moduleName: moduleName !== null && moduleName !== void 0 ? moduleName : '(unknown template module)',
    // lying to the type checker here because we're going to
    // replace it just below, after stringification
    scope: SCOPE_PLACEHOLDER,
    isStrictMode: (_b = options.strictMode) !== null && _b !== void 0 ? _b : false
  };

  if (usedLocals.length === 0) {
    delete templateJSONObject.scope;
  } // JSON is javascript


  var stringified = JSON.stringify(templateJSONObject);

  if (usedLocals.length > 0) {
    var scopeFn = "()=>[" + usedLocals.join(',') + "]";
    stringified = stringified.replace("\"" + SCOPE_PLACEHOLDER + "\"", scopeFn);
  }

  return stringified;
}
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module.require : require;\n\n  if (req) {\n    try {\n      const crypto = req('crypto');\n\n      let idFn: TemplateIdFn = (src) => {\n        let hash = crypto.createHash('sha1');\n        hash.update(src, 'utf8');\n        // trim to 6 bytes of data (2^48 - 1)\n        return hash.digest('base64').substring(0, 8);\n      };\n\n      idFn('test');\n\n      return idFn;\n    } catch (e) {}\n  }\n\n  return function idFn() {\n    return null;\n  };\n})();\n\nconst defaultOptions: PrecompileOptions = {\n  id: defaultId,\n};\n\n/*\n * Compile a string into a template javascript string.\n *\n * Example usage:\n *     import { precompile } from '@glimmer/compiler';\n *     import { templateFactory } from 'glimmer-runtime';\n *     let templateJs = precompile(\"Howdy {{name}}\");\n *     let factory = templateFactory(new Function(\"return \" + templateJs)());\n *     let template = factory.create(env);\n *\n * @method precompile\n * @param {string} string a Glimmer template string\n * @return {string} a template javascript string\n */\nexport function precompileJSON(\n  string: string,\n  options: PrecompileOptions = defaultOptions\n): [block: SerializedTemplateBlock, usedLocals: string[]] {\n  let source = new Source(string, options.meta?.moduleName);\n  let [ast, locals] = normalize(source, options);\n  let block = pass0(source, ast, options.strictMode ?? false).mapOk((pass2In) => {\n    return pass2(pass2In);\n  });\n\n  if (LOCAL_SHOULD_LOG) {\n    LOCAL_LOGGER.log(`Template ->`, block);\n  }\n\n  if (block.isOk) {\n    return [block.value, locals];\n  } else {\n    throw block.reason;\n  }\n}\n\n// UUID used as a unique placeholder for placing a snippet of JS code into\n// the otherwise JSON stringified value below.\nconst SCOPE_PLACEHOLDER = '796d24e6-2450-4fb0-8cdf-b65638b5ef70';\n\n/*\n * Compile a string into a template javascript string.\n *\n * Example usage:\n *     import { precompile } from '@glimmer/compiler';\n *     import { templateFactory } from 'glimmer-runtime';\n *     let templateJs = precompile(\"Howdy {{name}}\");\n *     let factory = templateFactory(new Function(\"return \" + templateJs)());\n *     let template = factory.create(env);\n *\n * @method precompile\n * @param {string} string a Glimmer template string\n * @return {string} a template javascript string\n */\nexport function precompile(\n  source: string,\n  options: PrecompileOptions = defaultOptions\n): TemplateJavascript {\n  let [block, usedLocals] = precompileJSON(source, options);\n\n  let moduleName = options.meta?.moduleName;\n  let idFn = options.id || defaultId;\n  let blockJSON = JSON.stringify(block);\n  let templateJSONObject: SerializedTemplateWithLazyBlock = {\n    id: idFn(JSON.stringify(options.meta) + blockJSON),\n    block: blockJSON,\n    moduleName: moduleName ?? 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