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