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95 lines
3.1 KiB
95 lines
3.1 KiB
/*
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* Copyright (c) 2015-present, Vitaly Tomilov
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*
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* See the LICENSE file at the top-level directory of this distribution
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* for licensing information.
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*
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* Removal or modification of this copyright notice is prohibited.
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*/
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const {QueryFileError} = require(`./query-file-error`);
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const npm = {
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os: require(`os`),
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utils: require(`../utils`)
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};
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/**
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* @class errors.ParameterizedQueryError
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* @augments external:Error
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* @description
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* {@link errors.ParameterizedQueryError ParameterizedQueryError} class, available from the {@link errors} namespace.
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*
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* This type represents all errors that can be reported by class {@link ParameterizedQuery}, whether it is used
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* explicitly or implicitly (via a simple `{text, values}` object).
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*
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* @property {string} name
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* Standard {@link external:Error Error} property - error type name = `ParameterizedQueryError`.
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*
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* @property {string} message
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* Standard {@link external:Error Error} property - the error message.
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*
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* @property {string} stack
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* Standard {@link external:Error Error} property - the stack trace.
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*
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* @property {errors.QueryFileError} error
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* Internal {@link errors.QueryFileError} object.
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*
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* It is set only when the source {@link ParameterizedQuery} used a {@link QueryFile} which threw the error.
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*
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* @property {object} result
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* Resulting Parameterized Query object.
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*
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* @see ParameterizedQuery
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*/
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class ParameterizedQueryError extends Error {
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constructor(error, pq) {
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const isQueryFileError = error instanceof QueryFileError;
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const message = isQueryFileError ? `Failed to initialize 'text' from a QueryFile.` : error;
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super(message);
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this.name = this.constructor.name;
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if (isQueryFileError) {
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this.error = error;
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}
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this.result = pq;
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Error.captureStackTrace(this, this.constructor);
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}
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}
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/**
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* @method errors.ParameterizedQueryError#toString
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* @description
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* Creates a well-formatted multi-line string that represents the error.
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*
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* It is called automatically when writing the object into the console.
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*
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* @param {number} [level=0]
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* Nested output level, to provide visual offset.
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*
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* @returns {string}
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*/
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ParameterizedQueryError.prototype.toString = function (level) {
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level = level > 0 ? parseInt(level) : 0;
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const gap0 = npm.utils.messageGap(level),
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gap1 = npm.utils.messageGap(level + 1),
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gap2 = npm.utils.messageGap(level + 2),
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lines = [
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`ParameterizedQueryError {`,
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gap1 + `message: "` + this.message + `"`,
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gap1 + `result: {`,
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gap2 + `text: ` + npm.utils.toJson(this.result.text),
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gap2 + `values: ` + npm.utils.toJson(this.result.values),
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gap1 + `}`
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];
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if (this.error) {
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lines.push(gap1 + `error: ` + this.error.toString(level + 1));
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}
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lines.push(gap0 + `}`);
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return lines.join(npm.os.EOL);
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};
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npm.utils.addInspection(ParameterizedQueryError, function () {
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return this.toString();
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});
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module.exports = {ParameterizedQueryError};
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