| 1 | import _ from 'lodash';
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| 2 | import { CraftAiDecisionError } from './errors';
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| 3 | import semver from 'semver';
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| 4 |
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| 5 | export default function parse(input) {
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| 6 | const json = _.isObject(input) ? input : JSON.parse(input);
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| 7 | if (!_.isObject(json) || _.isArray(input)) {
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| 8 | throw new CraftAiDecisionError('Invalid decision tree format, the given json is not an object.');
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| 9 | }
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| 10 | if (_.isUndefined(json) || _.isUndefined(json._version)) {
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| 11 | throw new CraftAiDecisionError('Invalid decision tree format, unable to find the version informations.');
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| 12 | }
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| 13 |
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| 14 | const version = json._version;
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| 15 | if (!semver.valid(version)) {
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| 16 | throw new CraftAiDecisionError(`Invalid decision tree format, "${version}" is not a valid version.`);
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| 17 | }
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| 18 | else if (semver.satisfies(version, '>=1.0.0 <3.0.0')) {
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| 19 | return json;
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| 20 | }
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| 21 | else {
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| 22 | throw new CraftAiDecisionError(`Invalid decision tree format, "${version}" is not a supported version.`);
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| 23 | }
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| 24 | }
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