You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
3.3 KiB
78 lines
3.3 KiB
// @flow
|
|
|
|
import ValidationError from '../error/validation_error.js';
|
|
|
|
import {createExpression, createPropertyExpression} from '../expression/index.js';
|
|
import {deepUnbundle} from '../util/unbundle_jsonlint.js';
|
|
import {isStateConstant, isGlobalPropertyConstant, isFeatureConstant} from '../expression/is_constant.js';
|
|
import CompoundExpression from '../expression/compound_expression.js';
|
|
|
|
import type {Expression} from '../expression/expression.js';
|
|
|
|
export default function validateExpression(options: any): Array<ValidationError> {
|
|
const expression = (options.expressionContext === 'property' ? createPropertyExpression : createExpression)(deepUnbundle(options.value), options.valueSpec);
|
|
if (expression.result === 'error') {
|
|
return expression.value.map((error) => {
|
|
return new ValidationError(`${options.key}${error.key}`, options.value, error.message);
|
|
});
|
|
}
|
|
|
|
const expressionObj = (expression.value: any).expression || (expression.value: any)._styleExpression.expression;
|
|
|
|
if (options.expressionContext === 'property' && (options.propertyKey === 'text-font') &&
|
|
!expressionObj.outputDefined()) {
|
|
return [new ValidationError(options.key, options.value, `Invalid data expression for "${options.propertyKey}". Output values must be contained as literals within the expression.`)];
|
|
}
|
|
|
|
if (options.expressionContext === 'property' && options.propertyType === 'layout' &&
|
|
(!isStateConstant(expressionObj))) {
|
|
return [new ValidationError(options.key, options.value, '"feature-state" data expressions are not supported with layout properties.')];
|
|
}
|
|
|
|
if (options.expressionContext === 'filter') {
|
|
return disallowedFilterParameters(expressionObj, options);
|
|
}
|
|
|
|
if (options.expressionContext && options.expressionContext.indexOf('cluster') === 0) {
|
|
if (!isGlobalPropertyConstant(expressionObj, ['zoom', 'feature-state'])) {
|
|
return [new ValidationError(options.key, options.value, '"zoom" and "feature-state" expressions are not supported with cluster properties.')];
|
|
}
|
|
if (options.expressionContext === 'cluster-initial' && !isFeatureConstant(expressionObj)) {
|
|
return [new ValidationError(options.key, options.value, 'Feature data expressions are not supported with initial expression part of cluster properties.')];
|
|
}
|
|
}
|
|
|
|
return [];
|
|
}
|
|
|
|
export function disallowedFilterParameters(e: Expression, options: any): Array<ValidationError> {
|
|
const disallowedParameters = new Set([
|
|
'zoom',
|
|
'feature-state',
|
|
'pitch',
|
|
'distance-from-center'
|
|
]);
|
|
|
|
if (options.valueSpec && options.valueSpec.expression) {
|
|
for (const param of options.valueSpec.expression.parameters) {
|
|
disallowedParameters.delete(param);
|
|
}
|
|
}
|
|
|
|
if (disallowedParameters.size === 0) {
|
|
return [];
|
|
}
|
|
const errors = [];
|
|
|
|
if (e instanceof CompoundExpression) {
|
|
if (disallowedParameters.has(e.name)) {
|
|
return [new ValidationError(options.key, options.value, `["${e.name}"] expression is not supported in a filter for a ${options.object.type} layer with id: ${options.object.id}`)];
|
|
}
|
|
}
|
|
e.eachChild((arg) => {
|
|
errors.push(...disallowedFilterParameters(arg, options));
|
|
});
|
|
|
|
return errors;
|
|
}
|