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

import { preprocess } from '@glimmer/syntax';
import TemplateCompiler from './template-compiler';
export var defaultId = function () {
    if (typeof require === 'function') {
        try {
            // eslint-disable-next-line @typescript-eslint/no-require-imports
            var crypto = require('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,
    meta: {}
};
export function precompile(string) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : defaultOptions;

    var ast = preprocess(string, options);
    var meta = options.meta;

    var _TemplateCompiler$com = TemplateCompiler.compile(ast, string, options),
        block = _TemplateCompiler$com.block;

    var idFn = options.id || defaultId;
    var blockJSON = JSON.stringify(block.toJSON());
    var templateJSONObject = {
        id: idFn(JSON.stringify(meta) + blockJSON),
        block: blockJSON,
        meta: meta
    };
    // JSON is javascript
    return JSON.stringify(templateJSONObject);
}
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