scripts/node_modules/ajv/dist/compile/jtd/serialize.js

218 lines
8.5 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const types_1 = require("./types");
const __1 = require("..");
const codegen_1 = require("../codegen");
const ref_error_1 = require("../ref_error");
const names_1 = require("../names");
const code_1 = require("../../vocabularies/code");
const ref_1 = require("../../vocabularies/jtd/ref");
const util_1 = require("../util");
const quote_1 = require("../../runtime/quote");
const genSerialize = {
elements: serializeElements,
values: serializeValues,
discriminator: serializeDiscriminator,
properties: serializeProperties,
optionalProperties: serializeProperties,
enum: serializeString,
type: serializeType,
ref: serializeRef,
};
function compileSerializer(sch, definitions) {
const _sch = __1.getCompilingSchema.call(this, sch);
if (_sch)
return _sch;
const { es5, lines } = this.opts.code;
const { ownProperties } = this.opts;
const gen = new codegen_1.CodeGen(this.scope, { es5, lines, ownProperties });
const serializeName = gen.scopeName("serialize");
const cxt = {
self: this,
gen,
schema: sch.schema,
schemaEnv: sch,
definitions,
data: names_1.default.data,
};
let sourceCode;
try {
this._compilations.add(sch);
sch.serializeName = serializeName;
gen.func(serializeName, names_1.default.data, false, () => {
gen.let(names_1.default.json, (0, codegen_1.str) ``);
serializeCode(cxt);
gen.return(names_1.default.json);
});
gen.optimize(this.opts.code.optimize);
const serializeFuncCode = gen.toString();
sourceCode = `${gen.scopeRefs(names_1.default.scope)}return ${serializeFuncCode}`;
const makeSerialize = new Function(`${names_1.default.scope}`, sourceCode);
const serialize = makeSerialize(this.scope.get());
this.scope.value(serializeName, { ref: serialize });
sch.serialize = serialize;
}
catch (e) {
if (sourceCode)
this.logger.error("Error compiling serializer, function code:", sourceCode);
delete sch.serialize;
delete sch.serializeName;
throw e;
}
finally {
this._compilations.delete(sch);
}
return sch;
}
exports.default = compileSerializer;
function serializeCode(cxt) {
let form;
for (const key of types_1.jtdForms) {
if (key in cxt.schema) {
form = key;
break;
}
}
serializeNullable(cxt, form ? genSerialize[form] : serializeEmpty);
}
function serializeNullable(cxt, serializeForm) {
const { gen, schema, data } = cxt;
if (!schema.nullable)
return serializeForm(cxt);
gen.if((0, codegen_1._) `${data} === undefined || ${data} === null`, () => gen.add(names_1.default.json, (0, codegen_1._) `"null"`), () => serializeForm(cxt));
}
function serializeElements(cxt) {
const { gen, schema, data } = cxt;
gen.add(names_1.default.json, (0, codegen_1.str) `[`);
const first = gen.let("first", true);
gen.forOf("el", data, (el) => {
addComma(cxt, first);
serializeCode({ ...cxt, schema: schema.elements, data: el });
});
gen.add(names_1.default.json, (0, codegen_1.str) `]`);
}
function serializeValues(cxt) {
const { gen, schema, data } = cxt;
gen.add(names_1.default.json, (0, codegen_1.str) `{`);
const first = gen.let("first", true);
gen.forIn("key", data, (key) => serializeKeyValue(cxt, key, schema.values, first));
gen.add(names_1.default.json, (0, codegen_1.str) `}`);
}
function serializeKeyValue(cxt, key, schema, first) {
const { gen, data } = cxt;
addComma(cxt, first);
serializeString({ ...cxt, data: key });
gen.add(names_1.default.json, (0, codegen_1.str) `:`);
const value = gen.const("value", (0, codegen_1._) `${data}${(0, codegen_1.getProperty)(key)}`);
serializeCode({ ...cxt, schema, data: value });
}
function serializeDiscriminator(cxt) {
const { gen, schema, data } = cxt;
const { discriminator } = schema;
gen.add(names_1.default.json, (0, codegen_1.str) `{${JSON.stringify(discriminator)}:`);
const tag = gen.const("tag", (0, codegen_1._) `${data}${(0, codegen_1.getProperty)(discriminator)}`);
serializeString({ ...cxt, data: tag });
gen.if(false);
for (const tagValue in schema.mapping) {
gen.elseIf((0, codegen_1._) `${tag} === ${tagValue}`);
const sch = schema.mapping[tagValue];
serializeSchemaProperties({ ...cxt, schema: sch }, discriminator);
}
gen.endIf();
gen.add(names_1.default.json, (0, codegen_1.str) `}`);
}
function serializeProperties(cxt) {
const { gen } = cxt;
gen.add(names_1.default.json, (0, codegen_1.str) `{`);
serializeSchemaProperties(cxt);
gen.add(names_1.default.json, (0, codegen_1.str) `}`);
}
function serializeSchemaProperties(cxt, discriminator) {
const { gen, schema, data } = cxt;
const { properties, optionalProperties } = schema;
const props = keys(properties);
const optProps = keys(optionalProperties);
const allProps = allProperties(props.concat(optProps));
let first = !discriminator;
for (const key of props) {
serializeProperty(key, properties[key], keyValue(key));
}
for (const key of optProps) {
const value = keyValue(key);
gen.if((0, codegen_1.and)((0, codegen_1._) `${value} !== undefined`, (0, code_1.isOwnProperty)(gen, data, key)), () => serializeProperty(key, optionalProperties[key], value));
}
if (schema.additionalProperties) {
gen.forIn("key", data, (key) => gen.if(isAdditional(key, allProps), () => serializeKeyValue(cxt, key, {}, gen.let("first", first))));
}
function keys(ps) {
return ps ? Object.keys(ps) : [];
}
function allProperties(ps) {
if (discriminator)
ps.push(discriminator);
if (new Set(ps).size !== ps.length) {
throw new Error("JTD: properties/optionalProperties/disciminator overlap");
}
return ps;
}
function keyValue(key) {
return gen.const("value", (0, codegen_1._) `${data}${(0, codegen_1.getProperty)(key)}`);
}
function serializeProperty(key, propSchema, value) {
if (first)
first = false;
else
gen.add(names_1.default.json, (0, codegen_1.str) `,`);
gen.add(names_1.default.json, (0, codegen_1.str) `${JSON.stringify(key)}:`);
serializeCode({ ...cxt, schema: propSchema, data: value });
}
function isAdditional(key, ps) {
return ps.length ? (0, codegen_1.and)(...ps.map((p) => (0, codegen_1._) `${key} !== ${p}`)) : true;
}
}
function serializeType(cxt) {
const { gen, schema, data } = cxt;
switch (schema.type) {
case "boolean":
gen.add(names_1.default.json, (0, codegen_1._) `${data} ? "true" : "false"`);
break;
case "string":
serializeString(cxt);
break;
case "timestamp":
gen.if((0, codegen_1._) `${data} instanceof Date`, () => gen.add(names_1.default.json, (0, codegen_1._) `'"' + ${data}.toISOString() + '"'`), () => serializeString(cxt));
break;
default:
serializeNumber(cxt);
}
}
function serializeString({ gen, data }) {
gen.add(names_1.default.json, (0, codegen_1._) `${(0, util_1.useFunc)(gen, quote_1.default)}(${data})`);
}
function serializeNumber({ gen, data }) {
gen.add(names_1.default.json, (0, codegen_1._) `"" + ${data}`);
}
function serializeRef(cxt) {
const { gen, self, data, definitions, schema, schemaEnv } = cxt;
const { ref } = schema;
const refSchema = definitions[ref];
if (!refSchema)
throw new ref_error_1.default(self.opts.uriResolver, "", ref, `No definition ${ref}`);
if (!(0, ref_1.hasRef)(refSchema))
return serializeCode({ ...cxt, schema: refSchema });
const { root } = schemaEnv;
const sch = compileSerializer.call(self, new __1.SchemaEnv({ schema: refSchema, root }), definitions);
gen.add(names_1.default.json, (0, codegen_1._) `${getSerialize(gen, sch)}(${data})`);
}
function getSerialize(gen, sch) {
return sch.serialize
? gen.scopeValue("serialize", { ref: sch.serialize })
: (0, codegen_1._) `${gen.scopeValue("wrapper", { ref: sch })}.serialize`;
}
function serializeEmpty({ gen, data }) {
gen.add(names_1.default.json, (0, codegen_1._) `JSON.stringify(${data})`);
}
function addComma({ gen }, first) {
gen.if(first, () => gen.assign(first, false), () => gen.add(names_1.default.json, (0, codegen_1.str) `,`));
}
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