blob: 1732d46660a8440546504a8153476944baadab6b [file] [log] [blame]
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.reportTypeError = exports.checkDataTypes = exports.checkDataType = exports.coerceAndCheckDataType = exports.getJSONTypes = exports.getSchemaTypes = exports.DataType = void 0;
const rules_1 = require("../rules");
const applicability_1 = require("./applicability");
const errors_1 = require("../errors");
const codegen_1 = require("../codegen");
const util_1 = require("../util");
var DataType;
(function (DataType) {
DataType[DataType["Correct"] = 0] = "Correct";
DataType[DataType["Wrong"] = 1] = "Wrong";
})(DataType = exports.DataType || (exports.DataType = {}));
function getSchemaTypes(schema) {
const types = getJSONTypes(schema.type);
const hasNull = types.includes("null");
if (hasNull) {
if (schema.nullable === false)
throw new Error("type: null contradicts nullable: false");
}
else {
if (!types.length && schema.nullable !== undefined) {
throw new Error('"nullable" cannot be used without "type"');
}
if (schema.nullable === true)
types.push("null");
}
return types;
}
exports.getSchemaTypes = getSchemaTypes;
function getJSONTypes(ts) {
const types = Array.isArray(ts) ? ts : ts ? [ts] : [];
if (types.every(rules_1.isJSONType))
return types;
throw new Error("type must be JSONType or JSONType[]: " + types.join(","));
}
exports.getJSONTypes = getJSONTypes;
function coerceAndCheckDataType(it, types) {
const { gen, data, opts } = it;
const coerceTo = coerceToTypes(types, opts.coerceTypes);
const checkTypes = types.length > 0 &&
!(coerceTo.length === 0 && types.length === 1 && (0, applicability_1.schemaHasRulesForType)(it, types[0]));
if (checkTypes) {
const wrongType = checkDataTypes(types, data, opts.strictNumbers, DataType.Wrong);
gen.if(wrongType, () => {
if (coerceTo.length)
coerceData(it, types, coerceTo);
else
reportTypeError(it);
});
}
return checkTypes;
}
exports.coerceAndCheckDataType = coerceAndCheckDataType;
const COERCIBLE = new Set(["string", "number", "integer", "boolean", "null"]);
function coerceToTypes(types, coerceTypes) {
return coerceTypes
? types.filter((t) => COERCIBLE.has(t) || (coerceTypes === "array" && t === "array"))
: [];
}
function coerceData(it, types, coerceTo) {
const { gen, data, opts } = it;
const dataType = gen.let("dataType", (0, codegen_1._) `typeof ${data}`);
const coerced = gen.let("coerced", (0, codegen_1._) `undefined`);
if (opts.coerceTypes === "array") {
gen.if((0, codegen_1._) `${dataType} == 'object' && Array.isArray(${data}) && ${data}.length == 1`, () => gen
.assign(data, (0, codegen_1._) `${data}[0]`)
.assign(dataType, (0, codegen_1._) `typeof ${data}`)
.if(checkDataTypes(types, data, opts.strictNumbers), () => gen.assign(coerced, data)));
}
gen.if((0, codegen_1._) `${coerced} !== undefined`);
for (const t of coerceTo) {
if (COERCIBLE.has(t) || (t === "array" && opts.coerceTypes === "array")) {
coerceSpecificType(t);
}
}
gen.else();
reportTypeError(it);
gen.endIf();
gen.if((0, codegen_1._) `${coerced} !== undefined`, () => {
gen.assign(data, coerced);
assignParentData(it, coerced);
});
function coerceSpecificType(t) {
switch (t) {
case "string":
gen
.elseIf((0, codegen_1._) `${dataType} == "number" || ${dataType} == "boolean"`)
.assign(coerced, (0, codegen_1._) `"" + ${data}`)
.elseIf((0, codegen_1._) `${data} === null`)
.assign(coerced, (0, codegen_1._) `""`);
return;
case "number":
gen
.elseIf((0, codegen_1._) `${dataType} == "boolean" || ${data} === null
|| (${dataType} == "string" && ${data} && ${data} == +${data})`)
.assign(coerced, (0, codegen_1._) `+${data}`);
return;
case "integer":
gen
.elseIf((0, codegen_1._) `${dataType} === "boolean" || ${data} === null
|| (${dataType} === "string" && ${data} && ${data} == +${data} && !(${data} % 1))`)
.assign(coerced, (0, codegen_1._) `+${data}`);
return;
case "boolean":
gen
.elseIf((0, codegen_1._) `${data} === "false" || ${data} === 0 || ${data} === null`)
.assign(coerced, false)
.elseIf((0, codegen_1._) `${data} === "true" || ${data} === 1`)
.assign(coerced, true);
return;
case "null":
gen.elseIf((0, codegen_1._) `${data} === "" || ${data} === 0 || ${data} === false`);
gen.assign(coerced, null);
return;
case "array":
gen
.elseIf((0, codegen_1._) `${dataType} === "string" || ${dataType} === "number"
|| ${dataType} === "boolean" || ${data} === null`)
.assign(coerced, (0, codegen_1._) `[${data}]`);
}
}
}
function assignParentData({ gen, parentData, parentDataProperty }, expr) {
// TODO use gen.property
gen.if((0, codegen_1._) `${parentData} !== undefined`, () => gen.assign((0, codegen_1._) `${parentData}[${parentDataProperty}]`, expr));
}
function checkDataType(dataType, data, strictNums, correct = DataType.Correct) {
const EQ = correct === DataType.Correct ? codegen_1.operators.EQ : codegen_1.operators.NEQ;
let cond;
switch (dataType) {
case "null":
return (0, codegen_1._) `${data} ${EQ} null`;
case "array":
cond = (0, codegen_1._) `Array.isArray(${data})`;
break;
case "object":
cond = (0, codegen_1._) `${data} && typeof ${data} == "object" && !Array.isArray(${data})`;
break;
case "integer":
cond = numCond((0, codegen_1._) `!(${data} % 1) && !isNaN(${data})`);
break;
case "number":
cond = numCond();
break;
default:
return (0, codegen_1._) `typeof ${data} ${EQ} ${dataType}`;
}
return correct === DataType.Correct ? cond : (0, codegen_1.not)(cond);
function numCond(_cond = codegen_1.nil) {
return (0, codegen_1.and)((0, codegen_1._) `typeof ${data} == "number"`, _cond, strictNums ? (0, codegen_1._) `isFinite(${data})` : codegen_1.nil);
}
}
exports.checkDataType = checkDataType;
function checkDataTypes(dataTypes, data, strictNums, correct) {
if (dataTypes.length === 1) {
return checkDataType(dataTypes[0], data, strictNums, correct);
}
let cond;
const types = (0, util_1.toHash)(dataTypes);
if (types.array && types.object) {
const notObj = (0, codegen_1._) `typeof ${data} != "object"`;
cond = types.null ? notObj : (0, codegen_1._) `!${data} || ${notObj}`;
delete types.null;
delete types.array;
delete types.object;
}
else {
cond = codegen_1.nil;
}
if (types.number)
delete types.integer;
for (const t in types)
cond = (0, codegen_1.and)(cond, checkDataType(t, data, strictNums, correct));
return cond;
}
exports.checkDataTypes = checkDataTypes;
const typeError = {
message: ({ schema }) => `must be ${schema}`,
params: ({ schema, schemaValue }) => typeof schema == "string" ? (0, codegen_1._) `{type: ${schema}}` : (0, codegen_1._) `{type: ${schemaValue}}`,
};
function reportTypeError(it) {
const cxt = getTypeErrorContext(it);
(0, errors_1.reportError)(cxt, typeError);
}
exports.reportTypeError = reportTypeError;
function getTypeErrorContext(it) {
const { gen, data, schema } = it;
const schemaCode = (0, util_1.schemaRefOrVal)(it, schema, "type");
return {
gen,
keyword: "type",
data,
schema: schema.type,
schemaCode,
schemaValue: schemaCode,
parentSchema: schema,
params: {},
it,
};
}
//# sourceMappingURL=dataType.js.map