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4 |
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5 | "use strict";
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6 |
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7 | const Ajv = require("ajv");
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8 | const ajv = new Ajv({
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9 | errorDataPath: "configuration",
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10 | allErrors: true,
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11 | verbose: true
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12 | });
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13 | require("ajv-keywords")(ajv, ["instanceof"]);
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14 | require("../schemas/ajv.absolutePath")(ajv);
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15 |
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16 | const validateSchema = (schema, options) => {
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17 | if (Array.isArray(options)) {
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18 | const errors = options.map(options => validateObject(schema, options));
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19 | errors.forEach((list, idx) => {
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20 | const applyPrefix = err => {
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21 | err.dataPath = `[${idx}]${err.dataPath}`;
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22 | if (err.children) {
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23 | err.children.forEach(applyPrefix);
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24 | }
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25 | };
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26 | list.forEach(applyPrefix);
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27 | });
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28 | return errors.reduce((arr, items) => {
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29 | return arr.concat(items);
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30 | }, []);
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31 | } else {
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32 | return validateObject(schema, options);
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33 | }
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34 | };
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35 |
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36 | const validateObject = (schema, options) => {
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37 | const validate = ajv.compile(schema);
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38 | const valid = validate(options);
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39 | return valid ? [] : filterErrors(validate.errors);
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40 | };
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41 |
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42 | const filterErrors = errors => {
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43 | let newErrors = [];
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44 | for (const err of errors) {
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45 | const dataPath = err.dataPath;
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46 | let children = [];
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47 | newErrors = newErrors.filter(oldError => {
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48 | if (oldError.dataPath.includes(dataPath)) {
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49 | if (oldError.children) {
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50 | children = children.concat(oldError.children.slice(0));
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51 | }
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52 | oldError.children = undefined;
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53 | children.push(oldError);
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54 | return false;
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55 | }
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56 | return true;
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57 | });
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58 | if (children.length) {
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59 | err.children = children;
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60 | }
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61 | newErrors.push(err);
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62 | }
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63 |
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64 | return newErrors;
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65 | };
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66 |
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67 | module.exports = validateSchema;
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