33 lines
1.2 KiB
TypeScript
33 lines
1.2 KiB
TypeScript
import type {SchemaObjCxt} from ".."
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import {_, getProperty, stringify} from "../codegen"
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import {checkStrictMode} from "../util"
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export function assignDefaults(it: SchemaObjCxt, ty?: string): void {
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const {properties, items} = it.schema
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if (ty === "object" && properties) {
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for (const key in properties) {
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assignDefault(it, key, properties[key].default)
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}
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} else if (ty === "array" && Array.isArray(items)) {
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items.forEach((sch, i: number) => assignDefault(it, i, sch.default))
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}
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}
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function assignDefault(it: SchemaObjCxt, prop: string | number, defaultValue: unknown): void {
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const {gen, compositeRule, data, opts} = it
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if (defaultValue === undefined) return
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const childData = _`${data}${getProperty(prop)}`
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if (compositeRule) {
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checkStrictMode(it, `default is ignored for: ${childData}`)
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return
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}
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let condition = _`${childData} === undefined`
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if (opts.useDefaults === "empty") {
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condition = _`${condition} || ${childData} === null || ${childData} === ""`
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}
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// `${childData} === undefined` +
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// (opts.useDefaults === "empty" ? ` || ${childData} === null || ${childData} === ""` : "")
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gen.if(condition, _`${childData} = ${stringify(defaultValue)}`)
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}
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