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@nuxodin
nuxodin committed Mar 22, 2023
1 parent 9bd7b9a commit e13a960
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Showing 3 changed files with 106 additions and 45 deletions.
101 changes: 79 additions & 22 deletions schema.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -375,7 +375,10 @@ const validators = {
},

// number
multipleOf: (mOf, value) => Number.isInteger(value / mOf), // value % mOf === 0 is not working for small numbers
multipleOf: (mOf, value) => {
if (Number.isInteger(value) && Number.isInteger(1 / mOf)) return true; // all integers are multiples of 0.5, if overflow is handled
if (Number.isInteger(value / mOf)) return true;
},
minimum: (min, value) => value >= min,
maximum: (max, value) => value <= max,
exclusiveMinimum: (min, value) => value > min,
Expand All @@ -396,32 +399,23 @@ const validators = {
case 'date-time': return validDateTime(value);
case 'date': return validDate(value);
case 'time': return validTime(value);
case 'duration': return /^P(\d+Y|\d+M|\d+D|\d+W|T(\d+H|\d+M|\d+S))+$/.test(value); // TODD: use Temporal when available
case 'duration': return parseDuration(value);
case 'email':
case 'idn-email':
return /^(?!\.)("([^"\r\\]|\\["\r\\])*"|([-a-z0-9!#$%&'*+/=?^_`{|}~]|(?<!\.)\.)*)(?<!\.)@[a-z0-9][\w\.-]*[a-z0-9]\.[a-z][a-z\.]*[a-z]$/.test(value);
case 'ipv4': return isValidIPAddress(value);
case 'ipv6':
try { new URL(`http://[${value}]`); return true; }
catch { return false; }
case 'idn-email': return isValidEmail(value, format==='idn-email');
case 'ipv4': return isValidIPv4(value);
case 'ipv6': return isValidIPv6(value);
case 'uri':
case 'iri':
try { new URL(value); return true; }
catch { return false; }
case 'iri': try { new URL(value); return true; } catch { return false; }
case 'uri-reference':
case 'iri-reference':
try { new URL(value, 'http://x.y'); return true; }
catch { return false; }
case 'iri-reference': try { new URL(value, 'http://x.y'); return true; } catch { return false; }
case 'uri-template': return /^([^\{\}]|\{[^\{\}]+\})*$/.test(value);
case 'hostname': return /^[^\s@]{1,63}\.[^\s@]+$/.test(value);
case 'hostname': return isValidHostname(value);
case 'idn-hostname': return isValidIdnHostname(value);
case 'uuid': return /^[0-9a-f]{8}(?:-[0-9a-f]{4}){3}-[0-9a-f]{12}$/i.test(value);
case 'json-pointer': return value==='' || /^\/(?:[^/~]|~[01]|\/)*$/.test(value);
case 'relative-json-pointer': return /^\d+(\/(?:[^/~]|~[01])*)*$/.test(value);
case 'regex':
try { new RegExp(value, 'u'); return true; }
catch { return false; }
default: console.log('jsons chema unknown format: '+format);
case 'json-pointer': return /^(?:\/(?:[^~/]|~0|~1)*)*$/.test(value);
case 'relative-json-pointer': return /^(?:0|[1-9][0-9]*)(?:#|(?:\/(?:[^~/]|~0|~1)*)*)$/.test(value);
case 'regex': try { new RegExp(value, 'u'); return true; } catch { return false; }
default: console.warn('jsons chema unknown format: '+format);
}
return true;
},
Expand Down Expand Up @@ -595,6 +589,19 @@ function validDateTime(value) {
if (!validTime(time)) return false;
return true;
}

function isValidHostname(hostname) {
if (!hostname || hostname.length > 255) return false;
const regex = /^[a-zA-Z0-9\-.]+$/;
if (!regex.test(hostname)) return false;
const labels = hostname.split(".");
for (const label of labels) {
if (!label || label.length > 63) return false;
if (label[0] === "-" || label.at(-1) === "-") return false;
}
return true;
}

function isValidIdnHostname(hostname) {
try { new URL('http://' + hostname); }
catch { return false; }
Expand Down Expand Up @@ -630,6 +637,56 @@ function isValidIdnHostname(hostname) {
}
return true;
}
function isValidIPAddress(ip) {
function isValidIPv4(ip) {
return /^((?!0\d)\d{1,3}\.){3}(?!0\d)\d{1,3}$/.test(ip) && ip.split('.').every(p => p >= 0 && p <= 255);
}
function isValidIPv6(ip) {
try { new URL(`http://[${ip}]`); return true; }
catch { return false; }
}
function isValidEmail(value, idn) {
// try { new URL(`mailto:${value}`); return true; }
// catch { return false; }
const index = value.lastIndexOf('@');
const local = value.substring(0, index);
const domain = value.substring(index + 1);
if (local==='') return false;
if (domain[0] === '[' && domain.at(-1) === ']') {
if (domain.startsWith('[IPv6:')) {
if (!isValidIPv6(domain.slice(6,-1))) return false;
} else {
if (!isValidIPv4(domain.slice(1,-1))) return false;
}
} else if (idn) {
if (!isValidIdnHostname(domain)) return false;
} else {
if (!isValidHostname(domain)) return false;
}
return /^(?!\.)("([^"\r\\]|\\["\r\\])*"|([-a-z0-9!#$%&'*+/=?^_`{|}~]|(?<!\.)\.)*)(?<!\.)$/.test(local);
}

function parseDuration(duration) {
// use Temporal.Duration.from(duration) when it's available
const [datePart, timePart] = duration.split('T');
const dateRegex = /^P(?:(\d+)Y)?(?:(\d+)M)?(?:(\d+)W)?(?:(\d+)D)?$/;
const dateMatches = datePart.match(dateRegex);
if (!dateMatches) return null;
const [, years, months, weeks, days] = dateMatches;
if (weeks != null && (years != null || months != null || days != null)) return null; // weeks can't be combined with other units
if (timePart === '') return null;
const timeRegex = /^(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)S)?$/;
const timeMatches = timePart?.match(timeRegex) ?? [];
// if (!timeMatches) return null;
const [, hours, minutes, seconds] = timeMatches;
if (years == null && months == null && weeks == null && days == null && hours == null && minutes == null && seconds == null) return null;
return {years, months, weeks, days, hours, minutes, seconds};
// return {
// years: parseInt(years??0),
// months: parseInt(months??0),
// weeks: parseInt(weeks??0),
// days: parseInt(days??0),
// hours: parseInt(hours??0),
// minutes: parseInt(minutes??0),
// seconds: parseInt(seconds??0),
// };
}
13 changes: 9 additions & 4 deletions tests/toSql.html
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,9 @@

<script type=module>

import {toTablesSQL} from '../tools/toSQL.js';
import {toCreateTable} from '../tools/toSQL.js';
import {dump} from 'https://cdn.jsdelivr.net/gh/nuxodin/[email protected]/mod.min.js';


const schema = {
"type": "object",
Expand Down Expand Up @@ -71,8 +73,11 @@
};


console.log(
toTablesSQL(schema)
);
jsonOut.innerHTML = dump(schema);
sqlOut.innerHTML = toCreateTable(schema);

</script>


<div id="jsonOut"></div>
<pre id="sqlOut"></pre>
37 changes: 18 additions & 19 deletions tools/toSql.js
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Original file line number Diff line number Diff line change
Expand Up @@ -57,21 +57,6 @@ export function fromShowFields(fields) {
return schema;
}

const textTypesLength = {
tinytext: 255,
text: 65535,
mediumtext: 16777215,
longtext: 4294967295,
};
const intTypesSize = {
tinyint: 255,
smallint: 65535,
mediumint: 16777215,
int: 4294967295,
bigint: 18446744073709551615,
};


export function toFieldDefinition(schema) {
// produces somethin like the following from a jsonschema
// eg. "INT(11) NOT NULL AUTO_INCREMENT COMMENT 'A comment'"
Expand Down Expand Up @@ -143,11 +128,24 @@ const mapType = {
'array':'json',
'object':'json',
};
const textTypesLength = {
tinytext: 255,
text: 65535,
mediumtext: 16777215,
longtext: 4294967295,
};
const intTypesSize = {
tinyint: 255,
smallint: 65535,
mediumint: 16777215,
int: 4294967295,
bigint: 18446744073709551615,
};



/*
export function toTablesSQL(schema) {
/* just for test */
export function toCreateTable(schema) {
let sql = '';
for (const [name, table] of Object.entries(schema.properties)) {

Expand All @@ -161,18 +159,19 @@ export function toTablesSQL(schema) {
sql +=
'CREATE TABLE `'+name+'` (\n'+
toFieldsSQL(table)+
(primaries.length ? 'PRIMARY KEY (`'+primaries.join('`,`')+'`)\n' : '')+
(primaries.length ? ' PRIMARY KEY (`'+primaries.join('`,`')+'`)\n' : '')+
') ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;\n\n';
}
return sql;
}
function toFieldsSQL(schema) {
let sql = '';
for (const [name, field] of Object.entries(schema.properties)) {
sql += '`'+name+'` '+toFieldDefinition(field)+',\n';
sql += ' `'+name+'` '+toFieldDefinition(field)+',\n';
}
return sql;
}
/*
*/


Expand Down

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