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