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OptionsNormalizer.ts
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79 lines (67 loc) · 2.01 KB
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import { IOptions } from "./interfaces/IOptions";
export class OptionsNormalizer {
/**
* @type {IOptions}
*/
public static DISABLED_UNICODE_ARRAY_OPTIONS: IOptions = {
encodeUnicodeLiterals: false,
rotateUnicodeArray: false,
unicodeArray: false,
unicodeArrayThreshold: 0,
wrapUnicodeArrayCalls: false
};
/**
* @type {IOptions}
*/
public static SELF_DEFENDING_OPTIONS: IOptions = {
compact: true,
selfDefending: true
};
/**
* @param options
* @returns {IOptions}
*/
public static normalize (options: IOptions): IOptions {
let normalizedOptions: IOptions = Object.assign({}, options);
normalizedOptions = OptionsNormalizer.unicodeArrayRule(normalizedOptions);
normalizedOptions = OptionsNormalizer.unicodeArrayThresholdRule(normalizedOptions);
normalizedOptions = OptionsNormalizer.selfDefendingRule(normalizedOptions);
return normalizedOptions;
}
/**
* @param options
* @returns {IOptions}
*/
private static selfDefendingRule (options: IOptions): IOptions {
if (options['selfDefending']) {
Object.assign(options, OptionsNormalizer.SELF_DEFENDING_OPTIONS);
}
return options;
}
/**
* @param options
* @returns {IOptions}
*/
private static unicodeArrayRule (options: IOptions): IOptions {
if (!options['unicodeArray']) {
Object.assign(options, OptionsNormalizer.DISABLED_UNICODE_ARRAY_OPTIONS);
}
return options;
}
/**
* @param options
* @returns {IOptions}
*/
private static unicodeArrayThresholdRule (options: IOptions): IOptions {
const minValue: number = 0,
maxValue: number = 1;
options['unicodeArrayThreshold'] = Math.min(
Math.max(
options['unicodeArrayThreshold'],
minValue
),
maxValue
);
return options;
}
}