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124 lines
2.6 KiB
124 lines
2.6 KiB
'use strict';
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const inherits = require('inherits');
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function Reporter(options) {
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this._reporterState = {
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obj: null,
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path: [],
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options: options || {},
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errors: []
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};
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}
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exports.Reporter = Reporter;
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Reporter.prototype.isError = function isError(obj) {
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return obj instanceof ReporterError;
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};
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Reporter.prototype.save = function save() {
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const state = this._reporterState;
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return { obj: state.obj, pathLen: state.path.length };
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};
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Reporter.prototype.restore = function restore(data) {
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const state = this._reporterState;
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state.obj = data.obj;
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state.path = state.path.slice(0, data.pathLen);
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};
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Reporter.prototype.enterKey = function enterKey(key) {
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return this._reporterState.path.push(key);
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};
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Reporter.prototype.exitKey = function exitKey(index) {
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const state = this._reporterState;
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state.path = state.path.slice(0, index - 1);
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};
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Reporter.prototype.leaveKey = function leaveKey(index, key, value) {
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const state = this._reporterState;
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this.exitKey(index);
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if (state.obj !== null)
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state.obj[key] = value;
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};
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Reporter.prototype.path = function path() {
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return this._reporterState.path.join('/');
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};
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Reporter.prototype.enterObject = function enterObject() {
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const state = this._reporterState;
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const prev = state.obj;
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state.obj = {};
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return prev;
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};
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Reporter.prototype.leaveObject = function leaveObject(prev) {
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const state = this._reporterState;
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const now = state.obj;
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state.obj = prev;
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return now;
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};
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Reporter.prototype.error = function error(msg) {
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let err;
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const state = this._reporterState;
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const inherited = msg instanceof ReporterError;
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if (inherited) {
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err = msg;
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} else {
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err = new ReporterError(state.path.map(function(elem) {
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return '[' + JSON.stringify(elem) + ']';
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}).join(''), msg.message || msg, msg.stack);
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}
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if (!state.options.partial)
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throw err;
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if (!inherited)
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state.errors.push(err);
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return err;
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};
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Reporter.prototype.wrapResult = function wrapResult(result) {
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const state = this._reporterState;
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if (!state.options.partial)
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return result;
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return {
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result: this.isError(result) ? null : result,
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errors: state.errors
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};
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};
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function ReporterError(path, msg) {
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this.path = path;
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this.rethrow(msg);
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}
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inherits(ReporterError, Error);
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ReporterError.prototype.rethrow = function rethrow(msg) {
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this.message = msg + ' at: ' + (this.path || '(shallow)');
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if (Error.captureStackTrace)
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Error.captureStackTrace(this, ReporterError);
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if (!this.stack) {
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try {
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// IE only adds stack when thrown
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throw new Error(this.message);
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} catch (e) {
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this.stack = e.stack;
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}
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}
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return this;
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};
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