Json schema improvements (#1698)
* Simplify schema multi-push/pop * Reverse order of schema path * Reverse order of value path * Simplify schema path structure * Rename for better clarity
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toasted-nutbread
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d7cf019b4a
@ -25,8 +25,8 @@ class JsonSchema {
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this._startSchema = schema;
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this._rootSchema = typeof rootSchema !== 'undefined' ? rootSchema : schema;
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this._regexCache = null;
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this._valuePath = [];
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this._schemaPath = [];
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this._valueStack = [];
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this._schemaStack = [];
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this._schemaPush(null, null);
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this._valuePush(null, null);
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@ -58,8 +58,8 @@ class JsonSchema {
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}
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validate(value) {
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this._schemaPush(null, this._startSchema);
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this._valuePush(null, value);
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this._schemaPush(this._startSchema, null);
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this._valuePush(value, null);
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try {
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this._validate(value);
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} finally {
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@ -69,24 +69,24 @@ class JsonSchema {
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}
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getValidValueOrDefault(value) {
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return this._getValidValueOrDefault(null, value, [{path: null, schema: this._startSchema}]);
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return this._getValidValueOrDefault(null, value, {schema: this._startSchema, path: null});
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}
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getObjectPropertySchema(property) {
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this._schemaPush(null, this._startSchema);
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this._schemaPush(this._startSchema, null);
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try {
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const schemaPath = this._getObjectPropertySchemaPath(property);
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return schemaPath !== null ? new JsonSchema(schemaPath[schemaPath.length - 1].schema, this._rootSchema) : null;
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const schemaInfo = this._getObjectPropertySchemaPath(property);
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return schemaInfo !== null ? new JsonSchema(schemaInfo.schema, this._rootSchema) : null;
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} finally {
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this._schemaPop();
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}
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}
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getArrayItemSchema(index) {
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this._schemaPush(null, this._startSchema);
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this._schemaPush(this._startSchema, null);
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try {
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const schemaPath = this._getArrayItemSchemaPath(index);
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return schemaPath !== null ? new JsonSchema(schemaPath[schemaPath.length - 1].schema, this._rootSchema) : null;
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const schemaInfo = this._getArrayItemSchemaPath(index);
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return schemaInfo !== null ? new JsonSchema(schemaInfo.schema, this._rootSchema) : null;
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} finally {
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this._schemaPop();
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}
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@ -99,44 +99,44 @@ class JsonSchema {
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// Stack
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_valuePush(path, value) {
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this._valuePath.push({path, value});
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_valuePush(value, path) {
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this._valueStack.push({value, path});
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}
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_valuePop() {
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this._valuePath.pop();
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this._valueStack.pop();
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}
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_schemaPush(path, schema) {
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this._schemaPath.push({path, schema});
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_schemaPush(schema, path) {
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this._schemaStack.push({schema, path});
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this._schema = schema;
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}
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_schemaPop() {
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this._schemaPath.pop();
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this._schema = this._schemaPath[this._schemaPath.length - 1].schema;
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this._schemaStack.pop();
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this._schema = this._schemaStack[this._schemaStack.length - 1].schema;
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}
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// Private
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_createError(message) {
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const valuePath = [];
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for (let i = 1, ii = this._valuePath.length; i < ii; ++i) {
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const {path, value} = this._valuePath[i];
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valuePath.push({path, value});
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const valueStack = [];
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for (let i = 1, ii = this._valueStack.length; i < ii; ++i) {
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const {value, path} = this._valueStack[i];
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valueStack.push({value, path});
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}
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const schemaPath = [];
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for (let i = 1, ii = this._schemaPath.length; i < ii; ++i) {
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const {path, schema} = this._schemaPath[i];
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schemaPath.push({path, schema});
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const schemaStack = [];
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for (let i = 1, ii = this._schemaStack.length; i < ii; ++i) {
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const {schema, path} = this._schemaStack[i];
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schemaStack.push({schema, path});
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}
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const error = new Error(message);
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error.value = valuePath[valuePath.length - 1].value;
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error.value = valueStack[valueStack.length - 1].value;
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error.schema = this._schema;
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error.valuePath = valuePath;
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error.schemaPath = schemaPath;
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error.valueStack = valueStack;
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error.schemaStack = schemaStack;
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return error;
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}
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@ -167,10 +167,7 @@ class JsonSchema {
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if (this._isObject(properties)) {
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const propertySchema = properties[property];
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if (this._isObject(propertySchema)) {
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return [
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{path: 'properties', schema: properties},
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{path: property, schema: propertySchema}
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];
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return {schema: propertySchema, path: ['properties', property]};
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}
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}
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@ -178,26 +175,23 @@ class JsonSchema {
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if (additionalProperties === false) {
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return null;
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} else if (this._isObject(additionalProperties)) {
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return [{path: 'additionalProperties', schema: additionalProperties}];
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return {schema: additionalProperties, path: 'additionalProperties'};
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} else {
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const result = this._getUnconstrainedSchema();
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return [{path: null, schema: result}];
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return {schema: result, path: null};
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}
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}
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_getArrayItemSchemaPath(index) {
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const {items} = this._schema;
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if (this._isObject(items)) {
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return [{path: 'items', schema: items}];
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return {schema: items, path: 'items'};
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}
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if (Array.isArray(items)) {
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if (index >= 0 && index < items.length) {
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const propertySchema = items[index];
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if (this._isObject(propertySchema)) {
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return [
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{path: 'items', schema: items},
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{path: index, schema: propertySchema}
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];
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return {schema: propertySchema, path: ['items', index]};
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}
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}
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}
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@ -206,10 +200,10 @@ class JsonSchema {
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if (additionalItems === false) {
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return null;
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} else if (this._isObject(additionalItems)) {
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return [{path: 'additionalItems', schema: additionalItems}];
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return {schema: additionalItems, path: 'additionalItems'};
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} else {
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const result = this._getUnconstrainedSchema();
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return [{path: null, schema: result}];
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return {schema: result, path: null};
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}
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}
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@ -298,7 +292,7 @@ class JsonSchema {
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if (!this._isObject(ifSchema)) { return; }
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let okay = true;
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this._schemaPush('if', ifSchema);
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this._schemaPush(ifSchema, 'if');
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try {
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this._validate(value);
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} catch (e) {
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@ -310,7 +304,7 @@ class JsonSchema {
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const nextSchema = okay ? this._schema.then : this._schema.else;
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if (this._isObject(nextSchema)) { return; }
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this._schemaPush(okay ? 'then' : 'else', nextSchema);
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this._schemaPush(nextSchema, okay ? 'then' : 'else');
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try {
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this._validate(value);
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} finally {
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@ -322,13 +316,13 @@ class JsonSchema {
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const subSchemas = this._schema.allOf;
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if (!Array.isArray(subSchemas)) { return; }
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this._schemaPush('allOf', subSchemas);
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this._schemaPush(subSchemas, 'allOf');
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try {
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for (let i = 0, ii = subSchemas.length; i < ii; ++i) {
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const subSchema = subSchemas[i];
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if (!this._isObject(subSchema)) { continue; }
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this._schemaPush(i, subSchema);
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this._schemaPush(subSchema, i);
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try {
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this._validate(value);
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} finally {
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@ -344,13 +338,13 @@ class JsonSchema {
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const subSchemas = this._schema.anyOf;
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if (!Array.isArray(subSchemas)) { return; }
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this._schemaPush('anyOf', subSchemas);
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this._schemaPush(subSchemas, 'anyOf');
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try {
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for (let i = 0, ii = subSchemas.length; i < ii; ++i) {
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const subSchema = subSchemas[i];
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if (!this._isObject(subSchema)) { continue; }
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this._schemaPush(i, subSchema);
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this._schemaPush(subSchema, i);
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try {
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this._validate(value);
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return;
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@ -371,14 +365,14 @@ class JsonSchema {
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const subSchemas = this._schema.oneOf;
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if (!Array.isArray(subSchemas)) { return; }
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this._schemaPush('oneOf', subSchemas);
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this._schemaPush(subSchemas, 'oneOf');
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try {
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let count = 0;
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for (let i = 0, ii = subSchemas.length; i < ii; ++i) {
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const subSchema = subSchemas[i];
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if (!this._isObject(subSchema)) { continue; }
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this._schemaPush(i, subSchema);
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this._schemaPush(subSchema, i);
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try {
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this._validate(value);
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++count;
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@ -401,13 +395,13 @@ class JsonSchema {
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const subSchemas = this._schema.not;
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if (!Array.isArray(subSchemas)) { return; }
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this._schemaPush('not', subSchemas);
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this._schemaPush(subSchemas, 'not');
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try {
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for (let i = 0, ii = subSchemas.length; i < ii; ++i) {
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const subSchema = subSchemas[i];
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if (!this._isObject(subSchema)) { continue; }
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this._schemaPush(i, subSchema);
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this._schemaPush(subSchema, i);
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try {
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this._validate(value);
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} catch (e) {
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@ -527,20 +521,20 @@ class JsonSchema {
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this._validateArrayContains(value);
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for (let i = 0; i < length; ++i) {
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const schemaPath = this._getArrayItemSchemaPath(i);
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if (schemaPath === null) {
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const schemaInfo = this._getArrayItemSchemaPath(i);
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if (schemaInfo === null) {
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throw this._createError(`No schema found for array[${i}]`);
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}
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const propertyValue = value[i];
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for (const {path, schema} of schemaPath) { this._schemaPush(path, schema); }
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this._valuePush(i, propertyValue);
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this._schemaPush(schemaInfo.schema, schemaInfo.path);
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this._valuePush(propertyValue, i);
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try {
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this._validate(propertyValue);
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} finally {
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this._valuePop();
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for (let j = 0, jj = schemaPath.length; j < jj; ++j) { this._schemaPop(); }
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this._schemaPop();
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}
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}
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}
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@ -549,11 +543,11 @@ class JsonSchema {
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const containsSchema = this._schema.contains;
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if (!this._isObject(containsSchema)) { return; }
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this._schemaPush('contains', containsSchema);
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this._schemaPush(containsSchema, 'contains');
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try {
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for (let i = 0, ii = value.length; i < ii; ++i) {
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const propertyValue = value[i];
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this._valuePush(i, propertyValue);
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this._valuePush(propertyValue, i);
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try {
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this._validate(propertyValue);
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return;
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@ -592,20 +586,20 @@ class JsonSchema {
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}
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for (const property of properties) {
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const schemaPath = this._getObjectPropertySchemaPath(property);
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if (schemaPath === null) {
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const schemaInfo = this._getObjectPropertySchemaPath(property);
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if (schemaInfo === null) {
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throw this._createError(`No schema found for ${property}`);
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}
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const propertyValue = value[property];
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for (const {path, schema} of schemaPath) { this._schemaPush(path, schema); }
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this._valuePush(property, propertyValue);
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this._schemaPush(schemaInfo.schema, schemaInfo.path);
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this._valuePush(propertyValue, property);
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try {
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this._validate(propertyValue);
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} finally {
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this._valuePop();
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for (let j = 0, jj = schemaPath.length; j < jj; ++j) { this._schemaPop(); }
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this._schemaPop();
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}
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}
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}
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@ -643,14 +637,14 @@ class JsonSchema {
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);
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}
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_getValidValueOrDefault(path, value, schemaPath) {
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this._valuePush(path, value);
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for (const {path: path2, schema} of schemaPath) { this._schemaPush(path2, schema); }
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_getValidValueOrDefault(path, value, schemaInfo) {
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this._schemaPush(schemaInfo.schema, schemaInfo.path);
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this._valuePush(value, path);
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try {
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return this._getValidValueOrDefaultInner(value);
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} finally {
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for (let i = 0, ii = schemaPath.length; i < ii; ++i) { this._schemaPop(); }
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this._valuePop();
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this._schemaPop();
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}
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}
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@ -688,19 +682,19 @@ class JsonSchema {
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if (Array.isArray(required)) {
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for (const property of required) {
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properties.delete(property);
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const schemaPath = this._getObjectPropertySchemaPath(property);
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if (schemaPath === null) { continue; }
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const schemaInfo = this._getObjectPropertySchemaPath(property);
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if (schemaInfo === null) { continue; }
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const propertyValue = Object.prototype.hasOwnProperty.call(value, property) ? value[property] : void 0;
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value[property] = this._getValidValueOrDefault(property, propertyValue, schemaPath);
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value[property] = this._getValidValueOrDefault(property, propertyValue, schemaInfo);
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}
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}
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for (const property of properties) {
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const schemaPath = this._getObjectPropertySchemaPath(property);
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if (schemaPath === null) {
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const schemaInfo = this._getObjectPropertySchemaPath(property);
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if (schemaInfo === null) {
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Reflect.deleteProperty(value, property);
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} else {
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value[property] = this._getValidValueOrDefault(property, value[property], schemaPath);
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value[property] = this._getValidValueOrDefault(property, value[property], schemaInfo);
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}
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}
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@ -709,18 +703,18 @@ class JsonSchema {
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_populateArrayDefaults(value) {
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for (let i = 0, ii = value.length; i < ii; ++i) {
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const schemaPath = this._getArrayItemSchemaPath(i);
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if (schemaPath === null) { continue; }
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const schemaInfo = this._getArrayItemSchemaPath(i);
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if (schemaInfo === null) { continue; }
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const propertyValue = value[i];
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value[i] = this._getValidValueOrDefault(i, propertyValue, schemaPath);
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value[i] = this._getValidValueOrDefault(i, propertyValue, schemaInfo);
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}
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const {minItems, maxItems} = this._schema;
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if (typeof minItems === 'number' && value.length < minItems) {
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for (let i = value.length; i < minItems; ++i) {
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const schemaPath = this._getArrayItemSchemaPath(i);
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if (schemaPath === null) { break; }
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const item = this._getValidValueOrDefault(i, void 0, schemaPath);
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const schemaInfo = this._getArrayItemSchemaPath(i);
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if (schemaInfo === null) { break; }
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const item = this._getValidValueOrDefault(i, void 0, schemaInfo);
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value.push(item);
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}
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}
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@ -253,8 +253,8 @@ class DictionaryImporter {
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}
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_formatSchemaError(e, fileName) {
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const valuePathString = this._getSchemaErrorPathString(e.valuePath, 'dictionary');
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const schemaPathString = this._getSchemaErrorPathString(e.schemaPath, 'schema');
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const valuePathString = this._getSchemaErrorPathString(e.valueStack, 'dictionary');
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const schemaPathString = this._getSchemaErrorPathString(e.schemaStack, 'schema');
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const e2 = new Error(`Dictionary has invalid data in '${fileName}' for value '${valuePathString}', validated against '${schemaPathString}': ${e.message}`);
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e2.data = e;
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@ -265,16 +265,23 @@ class DictionaryImporter {
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_getSchemaErrorPathString(infoList, base='') {
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let result = base;
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for (const {path} of infoList) {
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switch (typeof path) {
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case 'string':
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if (result.length > 0) {
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result += '.';
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const pathArray = Array.isArray(path) ? path : [path];
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for (const pathPart of pathArray) {
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if (pathPart === null) {
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result = base;
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} else {
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switch (typeof pathPart) {
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case 'string':
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if (result.length > 0) {
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result += '.';
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}
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result += pathPart;
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break;
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case 'number':
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result += `[${pathPart}]`;
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break;
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}
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result += path;
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break;
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case 'number':
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result += `[${path}]`;
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break;
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}
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}
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}
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return result;
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