| 1 | const formatToList = items => items.map(key => `- ${key}`).join('\n');
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| 2 |
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| 3 | export default function validatePathConfig(config) {
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| 4 | let root = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
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| 5 | const validKeys = ['initialRouteName', 'screens'];
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| 6 |
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| 7 | if (!root) {
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| 8 | validKeys.push('path', 'exact', 'stringify', 'parse');
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| 9 | }
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| 10 |
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| 11 | const invalidKeys = Object.keys(config).filter(key => !validKeys.includes(key));
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| 12 |
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| 13 | if (invalidKeys.length) {
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| 14 | throw new Error(`Found invalid properties in the configuration:\n${formatToList(invalidKeys)}\n\nDid you forget to specify them under a 'screens' property?\n\nYou can only specify the following properties:\n${formatToList(validKeys)}\n\nSee https://reactnavigation.org/docs/configuring-links for more details on how to specify a linking configuration.`);
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| 15 | }
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| 16 |
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| 17 | if (config.screens) {
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| 18 | Object.entries(config.screens).forEach(_ref => {
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| 19 | let [_, value] = _ref;
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| 20 |
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| 21 | if (typeof value !== 'string') {
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| 22 | validatePathConfig(value, false);
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| 23 | }
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| 24 | });
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| 25 | }
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| 26 | }
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| 27 | |
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