85 lines
2.3 KiB
JavaScript
85 lines
2.3 KiB
JavaScript
'use strict';
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// parses a feature string that has the format used in window.open()
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// - `features` input string
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// - `emit` function(key, value) - called for each parsed KV
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function parseFeaturesString (features, emit) {
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features = `${features}`.trim();
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// split the string by ','
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features.split(/\s*,\s*/).forEach((feature) => {
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// expected form is either a key by itself or a key/value pair in the form of
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// 'key=value'
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let [key, value] = feature.split(/\s*=\s*/);
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if (!key) return;
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// interpret the value as a boolean, if possible
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value = (value === 'yes' || value === '1') ? true : (value === 'no' || value === '0') ? false : value;
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// emit the parsed pair
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emit(key, value);
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});
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}
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function convertFeaturesString (features, frameName) {
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const options = {};
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const ints = ['x', 'y', 'width', 'height', 'minWidth', 'maxWidth', 'minHeight', 'maxHeight', 'zoomFactor'];
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const webPreferences = ['zoomFactor', 'nodeIntegration', 'enableRemoteModule', 'preload', 'javascript', 'contextIsolation', 'webviewTag'];
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// Used to store additional features
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const additionalFeatures = [];
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// Parse the features
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parseFeaturesString(features, function (key, value) {
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if (value === undefined) {
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additionalFeatures.push(key);
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} else {
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// Don't allow webPreferences to be set since it must be an object
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// that cannot be directly overridden
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if (key === 'webPreferences') return;
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if (webPreferences.includes(key)) {
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if (options.webPreferences == null) {
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options.webPreferences = {};
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}
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options.webPreferences[key] = value;
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} else {
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options[key] = value;
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}
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}
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});
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if (options.left) {
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if (options.x == null) {
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options.x = options.left;
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}
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}
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if (options.top) {
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if (options.y == null) {
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options.y = options.top;
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}
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}
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if (options.title == null) {
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options.title = frameName;
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}
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if (options.width == null) {
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options.width = 800;
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}
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if (options.height == null) {
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options.height = 600;
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}
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for (const name of ints) {
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if (options[name] != null) {
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options[name] = parseInt(options[name], 10);
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}
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}
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return {
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options, additionalFeatures
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};
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}
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module.exports = {
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parseFeaturesString, convertFeaturesString
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};
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