1 | import type {CodeKeywordDefinition, ErrorObject, KeywordErrorDefinition} from "../../types"
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2 | import type {KeywordCxt} from "../../compile/validate"
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3 | import {_, str} from "../../compile/codegen"
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4 |
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5 | export type MultipleOfError = ErrorObject<
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6 | "multipleOf",
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7 | {multipleOf: number},
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8 | number | {$data: string}
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9 | >
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10 |
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11 | const error: KeywordErrorDefinition = {
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12 | message: ({schemaCode}) => str`must be multiple of ${schemaCode}`,
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13 | params: ({schemaCode}) => _`{multipleOf: ${schemaCode}}`,
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14 | }
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15 |
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16 | const def: CodeKeywordDefinition = {
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17 | keyword: "multipleOf",
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18 | type: "number",
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19 | schemaType: "number",
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20 | $data: true,
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21 | error,
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22 | code(cxt: KeywordCxt) {
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23 | const {gen, data, schemaCode, it} = cxt
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24 |
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25 | const prec = it.opts.multipleOfPrecision
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26 | const res = gen.let("res")
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27 | const invalid = prec
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28 | ? _`Math.abs(Math.round(${res}) - ${res}) > 1e-${prec}`
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29 | : _`${res} !== parseInt(${res})`
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30 | cxt.fail$data(_`(${schemaCode} === 0 || (${res} = ${data}/${schemaCode}, ${invalid}))`)
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31 | },
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32 | }
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33 |
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34 | export default def
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