mirror of https://github.com/jiahaog/Nativefier
64 lines
1.6 KiB
TypeScript
64 lines
1.6 KiB
TypeScript
import * as log from 'loglevel';
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import { isWindows } from '../helpers/helpers';
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export function parseBoolean(
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val: boolean | string | number | undefined,
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_default: boolean,
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): boolean {
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if (val === undefined) {
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return _default;
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}
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try {
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if (typeof val === 'boolean') {
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return val;
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}
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val = String(val);
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switch (val.toLocaleLowerCase()) {
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case 'true':
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case '1':
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case 'yes':
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return true;
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case 'false':
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case '0':
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case 'no':
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return false;
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default:
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return _default;
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}
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} catch {
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return _default;
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}
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}
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export function parseBooleanOrString(val: string): boolean | string {
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switch (val) {
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case 'true':
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return true;
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case 'false':
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return false;
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default:
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return val;
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}
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}
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export function parseJson<Type>(val: string): Type | undefined {
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if (!val) return undefined;
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try {
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return JSON.parse(val) as Type;
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} catch (err: unknown) {
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const windowsShellHint = isWindows()
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? `\n In particular, Windows cmd doesn't have single quotes, so you have to use only double-quotes plus escaping: "{\\"someKey\\": \\"someValue\\"}"`
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: '';
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log.error(
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`Unable to parse JSON value: ${val}\n` +
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`JSON should look like {"someString": "someValue", "someBoolean": true, "someArray": [1,2,3]}.\n` +
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` - Only double quotes are allowed, single quotes are not.\n` +
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` - Learn how your shell behaves and escapes characters.${windowsShellHint}\n` +
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` - If unsure, validate your JSON using an online service.`,
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);
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throw err;
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}
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}
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