670 lines
21 KiB
JavaScript
670 lines
21 KiB
JavaScript
'use strict';
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// Load modules
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const Any = require('../any');
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const Cast = require('../../cast');
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const Ref = require('../../ref');
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const Hoek = require('hoek');
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// Declare internals
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const internals = {};
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internals.fastSplice = function (arr, i) {
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let pos = i;
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while (pos < arr.length) {
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arr[pos++] = arr[pos];
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}
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--arr.length;
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};
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internals.Array = class extends Any {
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constructor() {
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super();
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this._type = 'array';
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this._inner.items = [];
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this._inner.ordereds = [];
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this._inner.inclusions = [];
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this._inner.exclusions = [];
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this._inner.requireds = [];
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this._flags.sparse = false;
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}
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_base(value, state, options) {
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const result = {
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value
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};
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if (typeof value === 'string' &&
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options.convert) {
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internals.safeParse(value, result);
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}
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let isArray = Array.isArray(result.value);
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const 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 = this.createError('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._inner.requireds.length ||
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this._inner.ordereds.length ||
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!this._flags.sparse) {
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// Clone the array so that we don't modify the original
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if (wasArray) {
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result.value = result.value.slice(0);
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}
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result.errors = this._checkItems.call(this, result.value, wasArray, state, options);
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if (result.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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const previousErrors = result.errors;
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result.value = [result.value];
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result.errors = this._checkItems.call(this, result.value, wasArray, state, options);
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if (result.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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_checkItems(items, wasArray, state, options) {
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const errors = [];
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let errored;
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const requireds = this._inner.requireds.slice();
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const ordereds = this._inner.ordereds.slice();
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const inclusions = this._inner.inclusions.concat(requireds);
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let il = items.length;
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for (let i = 0; i < il; ++i) {
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errored = false;
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const item = items[i];
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let isValid = false;
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const key = wasArray ? i : state.key;
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const path = wasArray ? state.path.concat(i) : state.path;
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const localState = { key, path, parent: state.parent, reference: state.reference };
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let res;
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// Sparse
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if (!this._flags.sparse && item === undefined) {
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errors.push(this.createError('array.sparse', null, { key: state.key, path: localState.path, pos: i }, options));
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if (options.abortEarly) {
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return errors;
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}
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ordereds.shift();
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continue;
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}
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// Exclusions
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for (let j = 0; j < this._inner.exclusions.length; ++j) {
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res = this._inner.exclusions[j]._validate(item, localState, {}); // Not passing options to use defaults
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if (!res.errors) {
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errors.push(this.createError(wasArray ? 'array.excludes' : 'array.excludesSingle', { pos: i, value: item }, { key: state.key, path: localState.path }, options));
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errored = true;
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if (options.abortEarly) {
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return errors;
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}
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ordereds.shift();
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break;
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}
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}
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if (errored) {
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continue;
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}
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// Ordered
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if (this._inner.ordereds.length) {
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if (ordereds.length > 0) {
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const ordered = ordereds.shift();
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res = ordered._validate(item, localState, options);
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if (!res.errors) {
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if (ordered._flags.strip) {
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internals.fastSplice(items, i);
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--i;
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--il;
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}
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else if (!this._flags.sparse && res.value === undefined) {
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errors.push(this.createError('array.sparse', null, { key: state.key, path: localState.path, pos: i }, options));
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if (options.abortEarly) {
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return errors;
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}
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continue;
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}
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else {
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items[i] = res.value;
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}
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}
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else {
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errors.push(this.createError('array.ordered', { pos: i, reason: res.errors, value: item }, { key: state.key, path: localState.path }, options));
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if (options.abortEarly) {
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return errors;
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}
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}
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continue;
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}
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else if (!this._inner.items.length) {
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errors.push(this.createError('array.orderedLength', { pos: i, limit: this._inner.ordereds.length }, { key: state.key, path: localState.path }, options));
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if (options.abortEarly) {
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return errors;
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}
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continue;
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}
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}
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// Requireds
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const requiredChecks = [];
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let jl = requireds.length;
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for (let j = 0; j < jl; ++j) {
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res = requiredChecks[j] = requireds[j]._validate(item, localState, options);
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if (!res.errors) {
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items[i] = res.value;
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isValid = true;
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internals.fastSplice(requireds, j);
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--j;
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--jl;
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if (!this._flags.sparse && res.value === undefined) {
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errors.push(this.createError('array.sparse', null, { key: state.key, path: localState.path, pos: i }, options));
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if (options.abortEarly) {
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return errors;
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}
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}
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break;
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}
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}
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if (isValid) {
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continue;
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}
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// Inclusions
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const stripUnknown = options.stripUnknown
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? (options.stripUnknown === true ? true : !!options.stripUnknown.arrays)
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: false;
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jl = inclusions.length;
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for (let j = 0; j < jl; ++j) {
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const inclusion = inclusions[j];
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// Avoid re-running requireds that already didn't match in the previous loop
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const previousCheck = requireds.indexOf(inclusion);
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if (previousCheck !== -1) {
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res = requiredChecks[previousCheck];
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}
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else {
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res = inclusion._validate(item, localState, options);
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if (!res.errors) {
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if (inclusion._flags.strip) {
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internals.fastSplice(items, i);
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--i;
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--il;
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}
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else if (!this._flags.sparse && res.value === undefined) {
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errors.push(this.createError('array.sparse', null, { key: state.key, path: localState.path, pos: i }, options));
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errored = true;
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}
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else {
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items[i] = res.value;
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}
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isValid = true;
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break;
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}
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}
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// Return the actual error if only one inclusion defined
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if (jl === 1) {
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if (stripUnknown) {
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internals.fastSplice(items, i);
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--i;
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--il;
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isValid = true;
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break;
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}
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errors.push(this.createError(wasArray ? 'array.includesOne' : 'array.includesOneSingle', { pos: i, reason: res.errors, value: item }, { key: state.key, path: localState.path }, options));
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errored = true;
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if (options.abortEarly) {
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return errors;
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}
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break;
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}
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}
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if (errored) {
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continue;
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}
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if (this._inner.inclusions.length && !isValid) {
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if (stripUnknown) {
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internals.fastSplice(items, i);
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--i;
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--il;
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continue;
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}
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errors.push(this.createError(wasArray ? 'array.includes' : 'array.includesSingle', { pos: i, value: item }, { key: state.key, path: localState.path }, options));
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if (options.abortEarly) {
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return errors;
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}
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}
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}
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if (requireds.length) {
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this._fillMissedErrors.call(this, errors, requireds, state, options);
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}
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if (ordereds.length) {
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this._fillOrderedErrors.call(this, errors, ordereds, state, options);
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}
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return errors.length ? errors : null;
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}
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describe() {
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const description = super.describe();
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if (this._inner.ordereds.length) {
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description.orderedItems = [];
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for (let i = 0; i < this._inner.ordereds.length; ++i) {
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description.orderedItems.push(this._inner.ordereds[i].describe());
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}
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}
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if (this._inner.items.length) {
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description.items = [];
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for (let i = 0; i < this._inner.items.length; ++i) {
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description.items.push(this._inner.items[i].describe());
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}
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}
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return description;
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}
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items(...schemas) {
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const obj = this.clone();
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Hoek.flatten(schemas).forEach((type, index) => {
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try {
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type = Cast.schema(this._currentJoi, type);
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}
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catch (castErr) {
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if (castErr.hasOwnProperty('path')) {
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castErr.path = index + '.' + castErr.path;
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}
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else {
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castErr.path = index;
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}
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castErr.message = castErr.message + '(' + castErr.path + ')';
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throw castErr;
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}
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obj._inner.items.push(type);
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if (type._flags.presence === 'required') {
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obj._inner.requireds.push(type);
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}
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else if (type._flags.presence === 'forbidden') {
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obj._inner.exclusions.push(type.optional());
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}
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else {
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obj._inner.inclusions.push(type);
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}
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});
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return obj;
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}
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ordered(...schemas) {
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const obj = this.clone();
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Hoek.flatten(schemas).forEach((type, index) => {
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try {
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type = Cast.schema(this._currentJoi, type);
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}
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catch (castErr) {
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if (castErr.hasOwnProperty('path')) {
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castErr.path = index + '.' + castErr.path;
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}
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else {
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castErr.path = index;
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}
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castErr.message = castErr.message + '(' + castErr.path + ')';
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throw castErr;
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}
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obj._inner.ordereds.push(type);
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});
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return obj;
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}
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min(limit) {
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const isRef = Ref.isRef(limit);
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Hoek.assert((Number.isSafeInteger(limit) && limit >= 0) || isRef, 'limit must be a positive integer or reference');
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return this._test('min', limit, function (value, state, options) {
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let compareTo;
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if (isRef) {
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compareTo = limit(state.reference || state.parent, options);
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if (!(Number.isSafeInteger(compareTo) && compareTo >= 0)) {
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return this.createError('array.ref', { ref: limit.key }, state, options);
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}
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}
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else {
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compareTo = limit;
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}
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if (value.length >= compareTo) {
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return value;
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}
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return this.createError('array.min', { limit, value }, state, options);
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});
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}
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max(limit) {
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const isRef = Ref.isRef(limit);
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Hoek.assert((Number.isSafeInteger(limit) && limit >= 0) || isRef, 'limit must be a positive integer or reference');
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return this._test('max', limit, function (value, state, options) {
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let compareTo;
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if (isRef) {
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compareTo = limit(state.reference || state.parent, options);
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if (!(Number.isSafeInteger(compareTo) && compareTo >= 0)) {
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return this.createError('array.ref', { ref: limit.key }, state, options);
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}
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}
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else {
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compareTo = limit;
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}
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if (value.length <= compareTo) {
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return value;
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}
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return this.createError('array.max', { limit, value }, state, options);
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});
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}
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length(limit) {
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const isRef = Ref.isRef(limit);
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Hoek.assert((Number.isSafeInteger(limit) && limit >= 0) || isRef, 'limit must be a positive integer or reference');
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return this._test('length', limit, function (value, state, options) {
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let compareTo;
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if (isRef) {
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compareTo = limit(state.reference || state.parent, options);
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if (!(Number.isSafeInteger(compareTo) && compareTo >= 0)) {
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return this.createError('array.ref', { ref: limit.key }, state, options);
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}
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}
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else {
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compareTo = limit;
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}
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if (value.length === compareTo) {
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return value;
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}
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return this.createError('array.length', { limit, value }, state, options);
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});
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}
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unique(comparator, configs) {
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Hoek.assert(comparator === undefined ||
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typeof comparator === 'function' ||
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typeof comparator === 'string', 'comparator must be a function or a string');
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Hoek.assert(configs === undefined ||
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typeof configs === 'object', 'configs must be an object');
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const settings = {
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ignoreUndefined: (configs && configs.ignoreUndefined) || false
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};
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if (typeof comparator === 'string') {
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settings.path = comparator;
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}
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else if (typeof comparator === 'function') {
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settings.comparator = comparator;
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}
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return this._test('unique', settings, function (value, state, options) {
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const found = {
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string: Object.create(null),
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number: Object.create(null),
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undefined: Object.create(null),
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boolean: Object.create(null),
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object: new Map(),
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function: new Map(),
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custom: new Map()
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};
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const compare = settings.comparator || Hoek.deepEqual;
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const ignoreUndefined = settings.ignoreUndefined;
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for (let i = 0; i < value.length; ++i) {
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const item = settings.path ? Hoek.reach(value[i], settings.path) : value[i];
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const records = settings.comparator ? found.custom : found[typeof item];
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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 (records instanceof Map) {
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const entries = records.entries();
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let current;
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while (!(current = entries.next()).done) {
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if (compare(current.value[0], item)) {
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const localState = {
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key: state.key,
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path: state.path.concat(i),
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parent: state.parent,
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reference: state.reference
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};
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const context = {
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pos: i,
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value: value[i],
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dupePos: current.value[1],
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dupeValue: value[current.value[1]]
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};
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if (settings.path) {
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context.path = settings.path;
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}
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return this.createError('array.unique', context, localState, options);
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}
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}
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records.set(item, i);
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}
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else {
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if ((!ignoreUndefined || item !== undefined) && records[item] !== undefined) {
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const localState = {
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key: state.key,
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path: state.path.concat(i),
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parent: state.parent,
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reference: state.reference
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};
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const context = {
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pos: i,
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value: value[i],
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dupePos: records[item],
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dupeValue: value[records[item]]
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};
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if (settings.path) {
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context.path = settings.path;
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}
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return this.createError('array.unique', context, localState, options);
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}
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records[item] = i;
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}
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}
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}
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return value;
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});
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}
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sparse(enabled) {
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const value = enabled === undefined ? true : !!enabled;
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if (this._flags.sparse === value) {
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return this;
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}
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const obj = this.clone();
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obj._flags.sparse = value;
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return obj;
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}
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single(enabled) {
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const value = enabled === undefined ? true : !!enabled;
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if (this._flags.single === value) {
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return this;
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}
|
|
|
|
const obj = this.clone();
|
|
obj._flags.single = value;
|
|
return obj;
|
|
}
|
|
|
|
_fillMissedErrors(errors, requireds, state, options) {
|
|
|
|
const knownMisses = [];
|
|
let unknownMisses = 0;
|
|
for (let i = 0; i < requireds.length; ++i) {
|
|
const label = requireds[i]._getLabel();
|
|
if (label) {
|
|
knownMisses.push(label);
|
|
}
|
|
else {
|
|
++unknownMisses;
|
|
}
|
|
}
|
|
|
|
if (knownMisses.length) {
|
|
if (unknownMisses) {
|
|
errors.push(this.createError('array.includesRequiredBoth', { knownMisses, unknownMisses }, { key: state.key, path: state.path }, options));
|
|
}
|
|
else {
|
|
errors.push(this.createError('array.includesRequiredKnowns', { knownMisses }, { key: state.key, path: state.path }, options));
|
|
}
|
|
}
|
|
else {
|
|
errors.push(this.createError('array.includesRequiredUnknowns', { unknownMisses }, { key: state.key, path: state.path }, options));
|
|
}
|
|
}
|
|
|
|
|
|
_fillOrderedErrors(errors, ordereds, state, options) {
|
|
|
|
const requiredOrdereds = [];
|
|
|
|
for (let i = 0; i < ordereds.length; ++i) {
|
|
const presence = Hoek.reach(ordereds[i], '_flags.presence');
|
|
if (presence === 'required') {
|
|
requiredOrdereds.push(ordereds[i]);
|
|
}
|
|
}
|
|
|
|
if (requiredOrdereds.length) {
|
|
this._fillMissedErrors.call(this, errors, requiredOrdereds, state, options);
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
|
|
internals.safeParse = function (value, result) {
|
|
|
|
try {
|
|
const converted = JSON.parse(value);
|
|
if (Array.isArray(converted)) {
|
|
result.value = converted;
|
|
}
|
|
}
|
|
catch (e) { }
|
|
};
|
|
|
|
|
|
module.exports = new internals.Array();
|