58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
'use strict';
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var _ = require('lodash');
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var util = require('util');
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function validateDeprecation (value, expectation, options) {
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if (!options.deprecated) {
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return;
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}
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var valid = value instanceof options.deprecated || Object.prototype.toString.call(value) === Object.prototype.toString.call(options.deprecated.call());
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if (valid) {
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var message = util.format('%s should not be of type "%s"', util.inspect(value), options.deprecated.name);
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console.log('DEPRECATION WARNING:', options.deprecationWarning || message);
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}
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return valid;
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}
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function validate (value, expectation) {
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// the second part of this check is a workaround to deal with an issue that occurs in node-webkit when
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// using object literals. https://github.com/sequelize/sequelize/issues/2685
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if (value instanceof expectation || Object.prototype.toString.call(value) === Object.prototype.toString.call(expectation.call())) {
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return true;
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}
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throw new Error(util.format('The parameter (value: %s) is no %s.', value, expectation.name));
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}
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function check (value, expectation, options) {
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options = _.extend({
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deprecated: false,
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index: null,
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method: null,
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optional: false
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}, options || {});
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if (!value && options.optional) {
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return true;
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}
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if (value === undefined) {
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throw new Error('No value has been passed.');
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}
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if (expectation === undefined) {
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throw new Error('No expectation has been passed.');
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}
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return false
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|| validateDeprecation(value, expectation, options)
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|| validate(value, expectation, options);
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}
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module.exports = check;
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