helpers_gen.go

package struct2ts

const ts_helpers = `
const maxUnixTSInSeconds = 9999999999;

function ParseDate(d: Date | number | string): Date {
	if (d instanceof Date) return d;
	if (typeof d === 'number') {
		if (d > maxUnixTSInSeconds) return new Date(d);
		return new Date(d * 1000); // go ts
	}
	return new Date(d);
}

function ParseNumber(v: number | string, isInt = false): number {
	if (!v) return 0;
	if (typeof v === 'number') return v;
	return (isInt ? parseInt(v) : parseFloat(v)) || 0;
}

function FromArray<T>(Ctor: { new (v: any): T }, data?: any[] | any, def = null): T[] | null {
	if (!data || !Object.keys(data).length) return def;
	const d = Array.isArray(data) ? data : [data];
	return d.map((v: any) => new Ctor(v));
}

function ToObject(o: any, typeOrCfg: any = {}, child = false): any {
	if (o == null) return null;
	if (typeof o.toObject === 'function' && child) return o.toObject();

	switch (typeof o) {
		case 'string':
			return typeOrCfg === 'number' ? ParseNumber(o) : o;
		case 'boolean':
		case 'number':
			return o;
	}

	if (o instanceof Date) {
		return typeOrCfg === 'string' ? o.toISOString() : Math.floor(o.getTime() / 1000);
	}

	if (Array.isArray(o)) return o.map((v: any) => ToObject(v, typeOrCfg, true));

	const d: any = {};

	for (const k of Object.keys(o)) {
		const v: any = o[k];
		if (v === undefined) continue;
		if (v === null) continue;
		d[k] = ToObject(v, typeOrCfg[k] || {}, true);
	}

	return d;
}
`

const es6_helpers = `
const maxUnixTSInSeconds = 9999999999;
function ParseDate(d) {
	if (d instanceof Date)
		return d;
	if (typeof d === 'number') {
		if (d > maxUnixTSInSeconds)
			return new Date(d);
		return new Date(d * 1000); // go ts
	}
	return new Date(d);
}
function ParseNumber(v, isInt = false) {
	if (!v)
		return 0;
	if (typeof v === 'number')
		return v;
	return (isInt ? parseInt(v) : parseFloat(v)) || 0;
}
function FromArray(Ctor, data, def = null) {
	if (!data || !Object.keys(data).length)
		return def;
	const d = Array.isArray(data) ? data : [data];
	return d.map((v) => new Ctor(v));
}
function ToObject(o, typeOrCfg = {}, child = false) {
	if (o == null)
		return null;
	if (typeof o.toObject === 'function' && child)
		return o.toObject();
	switch (typeof o) {
		case 'string':
			return typeOrCfg === 'number' ? ParseNumber(o) : o;
		case 'boolean':
		case 'number':
			return o;
	}
	if (o instanceof Date) {
		return typeOrCfg === 'string' ? o.toISOString() : Math.floor(o.getTime() / 1000);
	}
	if (Array.isArray(o))
		return o.map((v) => ToObject(v, typeOrCfg, true));
	const d = {};
	for (const k of Object.keys(o)) {
		const v = o[k];
		if (v === undefined)
			continue;
		if (v === null)
			continue;
		d[k] = ToObject(v, typeOrCfg[k] || {}, true);
	}
	return d;
}
`