40 lines
1.4 KiB
TypeScript
40 lines
1.4 KiB
TypeScript
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import { Draft } from "./draft";
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import getTypeOf from "./getTypeOf";
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import { JsonSchema, JsonPointer } from "./types";
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export type EachCallback = (schema: JsonSchema, data: unknown, pointer: JsonPointer) => void;
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/**
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* Iterates over data, retrieving its schema
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*
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* @param draft - validator
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* @param data - the data to iterate
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* @param callback - will be called with (schema, data, pointer) on each item
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* @param [schema] - the schema matching the data. Defaults to rootSchema
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* @param [pointer] - pointer to current data. Default to rootPointer
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*/
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export function each(
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draft: Draft,
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data: any,
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callback: EachCallback,
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schema: JsonSchema = draft.rootSchema,
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pointer: JsonPointer = "#"
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) {
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schema = draft.resolveRef(schema);
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callback(schema, data, pointer);
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const dataType = getTypeOf(data);
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if (dataType === "object") {
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Object.keys(data).forEach((key) => {
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const nextSchema = draft.step(key, schema, data, pointer); // not save
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const next = data[key]; // save
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draft.each(next, callback, nextSchema, `${pointer}/${key}`);
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});
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} else if (dataType === "array") {
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data.forEach((next: unknown, key: number) => {
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const nextSchema = draft.step(key, schema, data, pointer);
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draft.each(next, callback, nextSchema, `${pointer}/${key}`);
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});
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}
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}
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