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@mapbox/mapbox-gl-style-spec

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a specification for mapbox gl styles

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import {default as ValidationError, ValidationWarning} from '../error/validation_error'; import validate from './validate'; import getType from '../util/get_type'; import type {ValidationOptions} from './validate'; export default function validateSnow(options: ValidationOptions): Array<ValidationError> { const snow = options.value; const style = options.style; const styleSpec = options.styleSpec; const snowSpec = styleSpec.snow; let errors = []; const rootType = getType(snow); if (snow === undefined) { // eslint-disable-next-line @typescript-eslint/no-unsafe-return return errors; } else if (rootType !== 'object') { errors = errors.concat([new ValidationError('snow', snow, `object expected, ${rootType} found`)]); // eslint-disable-next-line @typescript-eslint/no-unsafe-return return errors; } for (const key in snow) { const transitionMatch = key.match(/^(.*)-transition$/); if (transitionMatch && snowSpec[transitionMatch[1]] && snowSpec[transitionMatch[1]].transition) { errors = errors.concat(validate({ key, value: snow[key], valueSpec: styleSpec.transition, style, styleSpec })); } else if (snowSpec[key]) { errors = errors.concat(validate({ key, value: snow[key], valueSpec: snowSpec[key], style, styleSpec })); } else { errors = errors.concat([new ValidationWarning(key, snow[key], `unknown property "${key}"`)]); } } // eslint-disable-next-line @typescript-eslint/no-unsafe-return return errors; }