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import {createFrame, extend, toString} from './utils';
import Exception from './exception';
import {registerDefaultHelpers} from './helpers';
import {registerDefaultDecorators} from './decorators';
import logger from './logger';
export const VERSION = '4.0.2';
export const COMPILER_REVISION = 7;
export const REVISION_CHANGES = {
1: '<= 1.0.rc.2', // 1.0.rc.2 is actually rev2 but doesn't report it
2: '== 1.0.0-rc.3',
3: '== 1.0.0-rc.4',
4: '== 1.x.x',
5: '== 2.0.0-alpha.x',
6: '>= 2.0.0-beta.1',
7: '>= 4.0.0'
};
const objectType = '[object Object]';
export function HandlebarsEnvironment(helpers, partials, decorators) {
this.helpers = helpers || {};
this.partials = partials || {};
this.decorators = decorators || {};
registerDefaultHelpers(this);
registerDefaultDecorators(this);
}
HandlebarsEnvironment.prototype = {
constructor: HandlebarsEnvironment,
logger: logger,
log: logger.log,
registerHelper: function(name, fn) {
if (toString.call(name) === objectType) {
if (fn) { throw new Exception('Arg not supported with multiple helpers'); }
extend(this.helpers, name);
} else {
this.helpers[name] = fn;
}
},
unregisterHelper: function(name) {
delete this.helpers[name];
},
registerPartial: function(name, partial) {
if (toString.call(name) === objectType) {
extend(this.partials, name);
} else {
if (typeof partial === 'undefined') {
throw new Exception('Attempting to register a partial as undefined');
}
this.partials[name] = partial;
}
},
unregisterPartial: function(name) {
delete this.partials[name];
},
registerDecorator: function(name, fn) {
if (toString.call(name) === objectType) {
if (fn) { throw new Exception('Arg not supported with multiple decorators'); }
extend(this.decorators, name);
} else {
this.decorators[name] = fn;
}
},
unregisterDecorator: function(name) {
delete this.decorators[name];
}
};
export let log = logger.log;
export {createFrame, logger};
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