mirror of https://github.com/webpack/webpack.git
66 lines
1.5 KiB
JavaScript
66 lines
1.5 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Gajus Kuizinas @gajus
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*/
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"use strict";
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const Ajv = require("ajv");
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const ajv = new Ajv({
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errorDataPath: "configuration",
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allErrors: true,
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verbose: true
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});
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require("ajv-keywords")(ajv, ["instanceof"]);
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function validateSchema(schema, options) {
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if(Array.isArray(options)) {
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const errors = options.map((options) => validateObject(schema, options));
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errors.forEach((list, idx) => {
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list.forEach(function applyPrefix(err) {
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err.dataPath = `[${idx}]${err.dataPath}`;
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if(err.children) {
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err.children.forEach(applyPrefix);
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}
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});
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});
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return errors.reduce((arr, items) => {
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return arr.concat(items);
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}, []);
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} else {
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return validateObject(schema, options);
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}
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}
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function validateObject(schema, options) {
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const validate = ajv.compile(schema);
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const valid = validate(options);
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return valid ? [] : filterErrors(validate.errors);
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}
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function filterErrors(errors) {
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let newErrors = [];
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errors.forEach((err) => {
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const dataPath = err.dataPath;
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let children = [];
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newErrors = newErrors.filter((oldError) => {
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if(oldError.dataPath.includes(dataPath)) {
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if(oldError.children) {
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children = children.concat(oldError.children.slice(0));
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}
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oldError.children = undefined;
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children.push(oldError);
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return false;
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}
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return true;
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});
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if(children.length) {
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err.children = children;
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}
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newErrors.push(err);
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});
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return newErrors;
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}
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module.exports = validateSchema;
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