// @flow import ValidationError from '../error/validation_error.js'; import validate from './validate.js'; import getType from '../util/get_type.js'; import {unbundle} from '../util/unbundle_jsonlint.js'; import type {ValidationOptions} from './validate.js'; export default function validateTerrain(options: ValidationOptions): Array { const terrain = options.value; const key = options.key; const style = options.style; const styleSpec = options.styleSpec; const terrainSpec = styleSpec.terrain; let errors = []; const rootType = getType(terrain); if (terrain === undefined) { return errors; } else if (rootType !== 'object') { errors = errors.concat([new ValidationError('terrain', terrain, `object expected, ${rootType} found`)]); return errors; } for (const key in terrain) { const transitionMatch = key.match(/^(.*)-transition$/); if (transitionMatch && terrainSpec[transitionMatch[1]] && terrainSpec[transitionMatch[1]].transition) { errors = errors.concat(validate({ key, value: terrain[key], valueSpec: styleSpec.transition, style, styleSpec })); } else if (terrainSpec[key]) { errors = errors.concat(validate({ key, value: terrain[key], valueSpec: terrainSpec[key], style, styleSpec })); } else { errors = errors.concat([new ValidationError(key, terrain[key], `unknown property "${key}"`)]); } } if (!terrain.source) { errors.push(new ValidationError(key, terrain, `terrain is missing required property "source"`)); } else { const source = style.sources && style.sources[terrain.source]; const sourceType = source && unbundle(source.type); if (!source) { errors.push(new ValidationError(key, terrain.source, `source "${terrain.source}" not found`)); } else if (sourceType !== 'raster-dem') { errors.push(new ValidationError(key, terrain.source, `terrain cannot be used with a source of type ${String(sourceType)}, it only be used with a "raster-dem" source type`)); } } return errors; }