--- /dev/null
+import type {CodeKeywordDefinition, ErrorObject, KeywordErrorDefinition} from "../../types"
+import type {KeywordCxt} from "../../compile/validate"
+import {_, str} from "../../compile/codegen"
+
+export type MultipleOfError = ErrorObject<
+ "multipleOf",
+ {multipleOf: number},
+ number | {$data: string}
+>
+
+const error: KeywordErrorDefinition = {
+ message: ({schemaCode}) => str`must be multiple of ${schemaCode}`,
+ params: ({schemaCode}) => _`{multipleOf: ${schemaCode}}`,
+}
+
+const def: CodeKeywordDefinition = {
+ keyword: "multipleOf",
+ type: "number",
+ schemaType: "number",
+ $data: true,
+ error,
+ code(cxt: KeywordCxt) {
+ const {gen, data, schemaCode, it} = cxt
+ // const bdt = bad$DataType(schemaCode, <string>def.schemaType, $data)
+ const prec = it.opts.multipleOfPrecision
+ const res = gen.let("res")
+ const invalid = prec
+ ? _`Math.abs(Math.round(${res}) - ${res}) > 1e-${prec}`
+ : _`${res} !== parseInt(${res})`
+ cxt.fail$data(_`(${schemaCode} === 0 || (${res} = ${data}/${schemaCode}, ${invalid}))`)
+ },
+}
+
+export default def