8766744aa4
* Add popupWindow options * Add toBoolean converter * Add settings * Use new options * Add test link * Fix window state not working * Make the window section advanced only
233 lines
7.6 KiB
JavaScript
233 lines
7.6 KiB
JavaScript
/*
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* Copyright (C) 2020-2021 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* globals
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* DOMDataBinder
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*/
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class GenericSettingController {
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constructor(settingsController) {
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this._settingsController = settingsController;
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this._defaultScope = 'profile';
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this._dataBinder = new DOMDataBinder({
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selector: '[data-setting]',
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createElementMetadata: this._createElementMetadata.bind(this),
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compareElementMetadata: this._compareElementMetadata.bind(this),
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getValues: this._getValues.bind(this),
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setValues: this._setValues.bind(this)
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});
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this._transforms = new Map([
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['setAttribute', this._setAttribute.bind(this)],
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['setVisibility', this._setVisibility.bind(this)],
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['splitTags', this._splitTags.bind(this)],
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['joinTags', this._joinTags.bind(this)],
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['toNumber', this._toNumber.bind(this)],
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['toBoolean', this._toBoolean.bind(this)],
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['toString', this._toString.bind(this)],
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['conditionalConvert', this._conditionalConvert.bind(this)]
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]);
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}
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async prepare() {
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this._dataBinder.observe(document.body);
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this._settingsController.on('optionsChanged', this._onOptionsChanged.bind(this));
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}
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async refresh() {
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await this._dataBinder.refresh();
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}
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// Private
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_onOptionsChanged() {
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this._dataBinder.refresh();
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}
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_createElementMetadata(element) {
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const {dataset: {setting: path, scope, transform: transformRaw}} = element;
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let transforms;
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if (typeof transformRaw === 'string') {
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transforms = JSON.parse(transformRaw);
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if (!Array.isArray(transforms)) { transforms = [transforms]; }
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} else {
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transforms = [];
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}
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return {
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path,
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scope,
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transforms,
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transformRaw
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};
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}
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_compareElementMetadata(metadata1, metadata2) {
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return (
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metadata1.path === metadata2.path &&
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metadata1.scope === metadata2.scope &&
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metadata1.transformRaw === metadata2.transformRaw
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);
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}
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async _getValues(targets) {
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const defaultScope = this._defaultScope;
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const settingsTargets = [];
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for (const {metadata: {path, scope}} of targets) {
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const target = {
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path,
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scope: scope || defaultScope
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};
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settingsTargets.push(target);
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}
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return this._transformResults(await this._settingsController.getSettings(settingsTargets), targets);
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}
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async _setValues(targets) {
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const defaultScope = this._defaultScope;
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const settingsTargets = [];
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for (const {metadata: {path, scope, transforms}, value, element} of targets) {
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const transformedValue = this._applyTransforms(value, transforms, 'pre', element);
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const target = {
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path,
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scope: scope || defaultScope,
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action: 'set',
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value: transformedValue
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};
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settingsTargets.push(target);
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}
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return this._transformResults(await this._settingsController.modifySettings(settingsTargets), targets);
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}
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_transformResults(values, targets) {
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return values.map((value, i) => {
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const error = value.error;
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if (error) { return deserializeError(error); }
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const {metadata: {transforms}, element} = targets[i];
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const result = this._applyTransforms(value.result, transforms, 'post', element);
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return {result};
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});
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}
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_applyTransforms(value, transforms, step, element) {
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for (const transform of transforms) {
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const transformStep = transform.step;
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if (typeof transformStep !== 'undefined' && transformStep !== step) { continue; }
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const transformFunction = this._transforms.get(transform.type);
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if (typeof transformFunction === 'undefined') { continue; }
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value = transformFunction(value, transform, element);
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}
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return value;
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}
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_getAncestor(node, ancestorDistance) {
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if (ancestorDistance < 0) {
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return document.documentElement;
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}
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for (let i = 0; i < ancestorDistance && node !== null; ++i) {
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node = node.parentNode;
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}
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return node;
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}
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_getRelativeElement(node, ancestorDistance, selector) {
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const selectorRoot = (
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typeof ancestorDistance === 'number' ?
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this._getAncestor(node, ancestorDistance) :
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document
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);
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if (selectorRoot === null) { return null; }
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return (
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typeof selector === 'string' ?
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selectorRoot.querySelector(selector) :
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(selectorRoot === document ? document.documentElement : selectorRoot)
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);
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}
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_evaluateSimpleOperation(operation, lhs, rhs) {
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switch (operation) {
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case '!': return !lhs;
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case '!!': return !!lhs;
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case '===': return lhs === rhs;
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case '!==': return lhs !== rhs;
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case '>=': return lhs >= rhs;
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case '<=': return lhs <= rhs;
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case '>': return lhs > rhs;
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case '<': return lhs < rhs;
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default: return false;
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}
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}
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// Transforms
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_setAttribute(value, data, element) {
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const {ancestorDistance, selector, attribute} = data;
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const relativeElement = this._getRelativeElement(element, ancestorDistance, selector);
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if (relativeElement !== null) {
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relativeElement.setAttribute(attribute, `${value}`);
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}
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return value;
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}
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_setVisibility(value, data, element) {
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const {ancestorDistance, selector, condition} = data;
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const relativeElement = this._getRelativeElement(element, ancestorDistance, selector);
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if (relativeElement !== null) {
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relativeElement.hidden = !this._evaluateSimpleOperation(condition.op, value, condition.value);
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}
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return value;
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}
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_splitTags(value) {
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return `${value}`.split(/[,; ]+/).filter((v) => !!v);
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}
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_joinTags(value) {
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return value.join(' ');
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}
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_toNumber(value, data) {
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let {constraints} = data;
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if (!isObject(constraints)) { constraints = {}; }
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return DOMDataBinder.convertToNumber(value, constraints);
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}
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_toBoolean(value) {
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return (value === 'true');
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}
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_toString(value) {
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return `${value}`;
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}
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_conditionalConvert(value, data) {
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const {cases} = data;
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if (Array.isArray(cases)) {
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for (const {op, value: value2, default: isDefault, result} of cases) {
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if (isDefault === true) {
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value = result;
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} else if (this._evaluateSimpleOperation(op, value, value2)) {
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value = result;
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break;
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}
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}
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}
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return value;
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}
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}
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