redoc/lib/components/JsonSchema/json-schema.js

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'use strict';
import {ElementRef} from 'angular2/core';
import {RedocComponent, BaseComponent, SchemaManager} from '../base';
import {DropDown} from '../../common/components/DropDown/dropdown';
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import JsonPointer from '../../utils/JsonPointer';
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@RedocComponent({
selector: 'json-schema',
templateUrl: './lib/components/JsonSchema/json-schema.html',
styleUrls: ['./lib/components/JsonSchema/json-schema.css'],
directives: [JsonSchema, DropDown],
inputs: ['isArray', 'final', 'nestOdd', 'childFor', 'skipReadOnly']
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})
@Reflect.metadata('parameters', [[SchemaManager], [ElementRef]])
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export default class JsonSchema extends BaseComponent {
constructor(schemaMgr, elementRef) {
super(schemaMgr);
this.$element = elementRef.nativeElement;
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this.final = false;
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}
selectDerived(subClassIdx) {
let subClass = this.schema.derived[subClassIdx];
if (!subClass || subClass.active) return;
this.schema.derived.forEach((subSchema) => {
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subSchema.active = false;
});
subClass.active = true;
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this.derivedEmtpy = false;
if (subClass.empty) this.derivedEmtpy = true;
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}
unwrapArray(schema) {
var res = schema;
if (schema && schema.type === 'array') {
let ptr = schema.items._pointer
|| JsonPointer.join(schema._pointer || this.pointer, ['items']);
res = schema.items;
res._isArray = true;
res._pointer = ptr;
res = this.unwrapArray(res);
}
return res;
}
prepareModel() {
if (!this.componentSchema) {
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throw new Error(`Can't load component schema at ${this.pointer}`);
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}
this.dereference();
let schema = this.componentSchema;
BaseComponent.joinAllOf(schema, {omitParent: true});
schema = this.unwrapArray(schema);
runInjectors(schema, schema, schema._pointer || this.pointer);
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schema.derived = schema.derived || [];
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if (!schema.isTrivial) {
this.prepareObjectPropertiesData(schema);
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}
this.schema = schema;
this.initDerived();
}
initDerived() {
if (!this.schema.derived.length) return;
let enumArr = this.schema.properties[this.schema.properties.length - 1].enum;
if (enumArr) {
let enumOrder = {};
enumArr.forEach((enumItem, idx) => {
enumOrder[enumItem.val] = idx;
});
this.schema.derived.sort((a, b) => {
return enumOrder[a.name] > enumOrder[b.name];
});
}
this.selectDerived(0);
}
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prepareObjectPropertiesData(schema) {
let requiredMap = {};
if (schema.required) {
schema.required.forEach(prop => requiredMap[prop] = true);
}
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let discriminatorFieldIdx = -1;
let props = Object.keys(schema.properties).map((prop, idx) => {
let propertySchema = schema.properties[prop];
let propPointer = propertySchema._pointer ||
JsonPointer.join(schema._pointer || this.pointer, ['properties', prop]);
propertySchema = JsonSchema.injectPropertyData(propertySchema, prop, propPointer);
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// stop endless discriminator recursion
if (propertySchema._pointer === this.childFor) {
propertySchema._pointer = null;
}
propertySchema.required = !!requiredMap[prop];
propertySchema.isDiscriminator = (schema.discriminator === prop);
if (propertySchema.isDiscriminator) {
discriminatorFieldIdx = idx;
}
return propertySchema;
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});
if (this.skipReadOnly) {
props = props.filter(prop => !prop.readOnly);
}
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// Move discriminator field to the end of properties list
if (discriminatorFieldIdx > -1) {
let discrProp = props.splice(discriminatorFieldIdx, 1);
props.push(discrProp[0]);
}
schema.properties = props;
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}
static injectPropertyData(propertySchema, propertyName, propPointer) {
propertySchema = Object.assign({}, propertySchema);
propertySchema._name = propertyName;
runInjectors(propertySchema, propertySchema, propPointer);
return propertySchema;
}
}
function runInjectors(injectTo, propertySchema, propertyPointer) {
for (var injName in injectors) {
let injector = injectors[injName];
if (injector.check(propertySchema)) {
injector.inject(injectTo, propertySchema, propertyPointer);
}
}
}
const injectors = {
general: {
check: () => true,
inject: (injectTo, propertySchema, pointer) => {
injectTo._pointer = propertySchema._pointer || pointer;
injectTo._displayType = propertySchema.type;
if (propertySchema.format) injectTo._displayFormat = `<${propertySchema.format}>`;
if (propertySchema.enum) {
injectTo.enum = propertySchema.enum.map((value) => {
return {val: value, type: typeof value};
});
}
}
},
discriminator: {
check: (propertySchema) => propertySchema.discriminator,
inject: (injectTo, propertySchema = injectTo, pointer) => {
injectTo.derived = SchemaManager.instance().findDerivedDefinitions(pointer);
injectTo.discriminator = propertySchema.discriminator;
}
},
array: {
check: (propertySchema) => {
return propertySchema.type === 'array';
},
inject: (injectTo, propertySchema = injectTo, propPointer) => {
injectTo._isArray = true;
injectTo._pointer = propertySchema.items._pointer
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|| JsonPointer.join(propertySchema._pointer || propPointer, ['items']);
runInjectors(injectTo, propertySchema.items, propPointer);
}
},
object: {
check: (propertySchema) => {
return propertySchema.type === 'object' && propertySchema.properties;
},
inject: (injectTo, propertySchema = injectTo) => {
let baseName = propertySchema._pointer && JsonPointer.baseName(propertySchema._pointer);
injectTo._displayType = propertySchema.title || baseName || 'object';
}
},
noType: {
check: (propertySchema) => !propertySchema.type,
inject: (injectTo) => {
injectTo._displayType = '< * >';
injectTo._displayTypeHint = 'This field may contain data of any type';
injectTo.isTrivial = true;
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}
},
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simpleType: {
check: (propertySchema) => {
if (propertySchema.type === 'object') {
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return !propertySchema.properties || !Object.keys(propertySchema.properties).length;
}
return (propertySchema.type !== 'array') && propertySchema.type;
},
inject: (injectTo, propertySchema = injectTo) => {
injectTo.isTrivial = true;
if (injectTo._pointer) {
injectTo._pointer = undefined;
injectTo._displayType = propertySchema.title ?
`${propertySchema.title} (${propertySchema.type})` : propertySchema.type;
}
}
},
integer: {
check: (propertySchema) => (propertySchema.type === 'integer' || propertySchema.type === 'number'),
inject: (injectTo, propertySchema = injectTo) => {
var range = '';
if (propertySchema.minimum && propertySchema.maximum) {
range += propertySchema.exclusiveMinimum ? '( ' : '[ ';
range += propertySchema.minimum;
range += ' .. ';
range += propertySchema.maximum;
range += propertySchema.exclusiveMaximum ? ' )' : ' ]';
} else if (propertySchema.maximum) {
range += propertySchema.exclusiveMaximum? '< ' : '<= ';
range += propertySchema.maximum;
} else if (propertySchema.minimum) {
range += propertySchema.exclusiveMinimum ? '> ' : '>= ';
range += propertySchema.minimum;
}
if (range) {
injectTo._range = range;
}
}
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},
string: {
check: propertySchema => (propertySchema.type === 'string'),
inject: (injectTo, propertySchema = injectTo) => {
var range;
if (propertySchema.minLength && propertySchema.maxLength) {
range = `[ ${propertySchema.minLength} .. ${propertySchema.maxLength} ]`;
} else if (propertySchema.maxLength) {
range = '<= ' + propertySchema.maxLength;
} else if (propertySchema.minimum) {
range = '>= ' + propertySchema.minLength;
}
if (range) {
injectTo._range = range + ' characters';
}
}
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}
};