fortify-schema
Version:
TypeScript interface-like schema validation system that's easier to use than Zod
71 lines (67 loc) • 2 kB
JavaScript
;
var ConditionalThen = require('./ConditionalThen.js');
/**
* Builder for single field conditional validation with TypeScript inference
*/
class ConditionalBuilder {
constructor(fieldName) {
this.fieldName = fieldName;
this.conditions = [];
this.defaultSchema = null;
}
/**
* Check if field equals specific value
*/
is(value) {
return new ConditionalThen.ConditionalThen(this, (fieldValue) => fieldValue === value);
}
/**
* Check if field does not equal specific value
*/
isNot(value) {
return new ConditionalThen.ConditionalThen(this, (fieldValue) => fieldValue !== value);
}
/**
* Check if field exists (not null/undefined)
*/
exists() {
return new ConditionalThen.ConditionalThen(this, (fieldValue) => fieldValue != null);
}
/**
* Check if field matches pattern
*/
matches(pattern) {
return new ConditionalThen.ConditionalThen(this, (fieldValue) => typeof fieldValue === "string" && pattern.test(fieldValue));
}
/**
* Check if field is in array of values
*/
in(values) {
return new ConditionalThen.ConditionalThen(this, (fieldValue) => values.includes(fieldValue));
}
/**
* Custom condition function
*/
when(condition) {
return new ConditionalThen.ConditionalThen(this, condition);
}
addCondition(condition, schema) {
this.conditions.push({ condition, schema });
return this;
}
default(schema) {
this.defaultSchema = schema;
return this.build();
}
build() {
// Return a special object that the validation engine can recognize
return {
__conditional: true,
fieldName: this.fieldName,
conditions: this.conditions,
default: this.defaultSchema
};
}
}
exports.ConditionalBuilder = ConditionalBuilder;
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