289 lines
8.2 KiB
JavaScript
289 lines
8.2 KiB
JavaScript
// Load modules
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var Any = require('./any');
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var Cast = require('./cast');
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var Errors = require('./errors');
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var Hoek = require('hoek');
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// Declare internals
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var internals = {};
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internals.Array = function () {
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Any.call(this);
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this._type = 'array';
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this._inner.inclusions = [];
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this._inner.exclusions = [];
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this._flags.sparse = false;
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};
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Hoek.inherits(internals.Array, Any);
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internals.Array.prototype._base = function (value, state, options) {
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var result = {
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value: value
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};
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if (typeof value === 'string' &&
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options.convert) {
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try {
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var converted = JSON.parse(value);
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if (Array.isArray(converted)) {
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result.value = converted;
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}
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}
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catch (e) { }
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}
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var isArray = Array.isArray(result.value);
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var wasArray = isArray;
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if (options.convert && this._flags.single && !isArray) {
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result.value = [result.value];
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isArray = true;
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}
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if (!isArray) {
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result.errors = Errors.create('array.base', null, state, options);
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return result;
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}
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if (this._inner.inclusions.length ||
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this._inner.exclusions.length ||
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!this._flags.sparse) {
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if (wasArray) {
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result.value = result.value.slice(0);
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}
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var check = function () {
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for (var v = 0, vl = result.value.length; v < vl; ++v) {
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var item = result.value[v];
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var isValid = false;
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var localState = { key: v, path: (state.path ? state.path + '.' : '') + v, parent: result.value, reference: state.reference };
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// Sparse
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if (!this._flags.sparse && item === undefined) {
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result.errors = Errors.create('array.sparse', null, { key: state.key, path: localState.path }, options);
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return result;
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}
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// Exclusions
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for (var i = 0, il = this._inner.exclusions.length; i < il; ++i) {
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var res = this._inner.exclusions[i]._validate(item, localState, {}); // Not passing options to use defaults
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if (!res.errors) {
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result.errors = Errors.create(wasArray ? 'array.excludes' : 'array.excludesSingle', { pos: v }, { key: state.key, path: localState.path }, options);
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return result;
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}
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}
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// Inclusions
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for (i = 0, il = this._inner.inclusions.length; i < il; ++i) {
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var res = this._inner.inclusions[i]._validate(item, localState, options);
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if (!res.errors) {
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result.value[v] = res.value;
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isValid = true;
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break;
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}
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// Return the actual error if only one inclusion defined
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if (il === 1) {
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result.errors = Errors.create(wasArray ? 'array.includesOne' : 'array.includesOneSingle', { pos: v, reason: res.errors }, { key: state.key, path: localState.path }, options);
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return result;
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}
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}
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if (this._inner.inclusions.length &&
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!isValid) {
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result.errors = Errors.create(wasArray ? 'array.includes' : 'array.includesSingle', { pos: v }, { key: state.key, path: localState.path }, options);
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return result;
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}
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}
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return result;
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};
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if (check.call(this).errors && wasArray && options.convert && this._flags.single) {
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// Attempt a 2nd pass by putting the array inside one.
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var previousErrors = result.errors;
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delete result.errors;
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result.value = [result.value];
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if (check.call(this).errors) {
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// Restore previous errors and value since this didn't validate either.
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result.errors = previousErrors;
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result.value = result.value[0];
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}
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}
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}
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return result;
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};
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internals.Array.prototype.describe = function () {
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var description = Any.prototype.describe.call(this);
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if (this._inner.inclusions.length) {
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description.includes = [];
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for (var i = 0, il = this._inner.inclusions.length; i < il; ++i) {
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description.includes.push(this._inner.inclusions[i].describe());
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}
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}
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if (this._inner.exclusions.length) {
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description.excludes = [];
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for (var i = 0, il = this._inner.exclusions.length; i < il; ++i) {
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description.excludes.push(this._inner.exclusions[i].describe());
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}
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}
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return description;
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};
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internals.Array.prototype.includes = function () {
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var inclusions = Hoek.flatten(Array.prototype.slice.call(arguments)).map(function (type) {
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return Cast.schema(type);
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});
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var obj = this.clone();
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obj._inner.inclusions = obj._inner.inclusions.concat(inclusions);
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return obj;
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};
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internals.Array.prototype.excludes = function () {
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var exclusions = Hoek.flatten(Array.prototype.slice.call(arguments)).map(function (type) {
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return Cast.schema(type);
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});
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var obj = this.clone();
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obj._inner.exclusions = obj._inner.exclusions.concat(exclusions);
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return obj;
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};
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internals.Array.prototype.min = function (limit) {
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Hoek.assert(Hoek.isInteger(limit) && limit >= 0, 'limit must be a positive integer');
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return this._test('min', limit, function (value, state, options) {
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if (value.length >= limit) {
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return null;
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}
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return Errors.create('array.min', { limit: limit }, state, options);
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});
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};
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internals.Array.prototype.max = function (limit) {
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Hoek.assert(Hoek.isInteger(limit) && limit >= 0, 'limit must be a positive integer');
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return this._test('max', limit, function (value, state, options) {
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if (value.length <= limit) {
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return null;
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}
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return Errors.create('array.max', { limit: limit }, state, options);
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});
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};
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internals.Array.prototype.length = function (limit) {
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Hoek.assert(Hoek.isInteger(limit) && limit >= 0, 'limit must be a positive integer');
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return this._test('length', limit, function (value, state, options) {
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if (value.length === limit) {
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return null;
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}
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return Errors.create('array.length', { limit: limit }, state, options);
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});
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};
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internals.Array.prototype.unique = function () {
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return this._test('unique', undefined, function (value, state, options) {
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var found = {
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string: {},
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number: {},
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undefined: {},
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boolean: {},
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object: [],
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function: []
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};
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for (var i = 0, il = value.length; i < il; ++i) {
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var item = value[i];
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var type = typeof item;
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var records = found[type];
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// All available types are supported, so it's not possible to reach 100% coverage without ignoring this line.
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// I still want to keep the test for future js versions with new types (eg. Symbol).
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if (/* $lab:coverage:off$ */ records /* $lab:coverage:on$ */) {
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if (Array.isArray(records)) {
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for (var r = 0, rl = records.length; r < rl; ++r) {
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if (Hoek.deepEqual(records[r], item)) {
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return Errors.create('array.unique', { pos: i }, state, options);
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}
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}
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records.push(item);
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}
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else {
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if (records[item]) {
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return Errors.create('array.unique', { pos: i }, state, options);
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}
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records[item] = true;
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}
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}
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}
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});
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};
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internals.Array.prototype.sparse = function (enabled) {
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var obj = this.clone();
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obj._flags.sparse = enabled === undefined ? true : !!enabled;
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return obj;
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};
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internals.Array.prototype.single = function (enabled) {
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var obj = this.clone();
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obj._flags.single = enabled === undefined ? true : !!enabled;
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return obj;
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}
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module.exports = new internals.Array();
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