179 lines
4.2 KiB
JavaScript
179 lines
4.2 KiB
JavaScript
'use strict';
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const Assert = require('@hapi/hoek/lib/assert');
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const Clone = require('@hapi/hoek/lib/clone');
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const Template = require('./template');
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const internals = {};
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exports.compile = function (messages, target) {
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// Single value string ('plain error message', 'template {error} message')
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if (typeof messages === 'string') {
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Assert(!target, 'Cannot set single message string');
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return new Template(messages);
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}
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// Single value template
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if (Template.isTemplate(messages)) {
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Assert(!target, 'Cannot set single message template');
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return messages;
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}
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// By error code { 'number.min': <string | template> }
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Assert(typeof messages === 'object' && !Array.isArray(messages), 'Invalid message options');
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target = target ? Clone(target) : {};
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for (let code in messages) {
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const message = messages[code];
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if (code === 'root' ||
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Template.isTemplate(message)) {
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target[code] = message;
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continue;
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}
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if (typeof message === 'string') {
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target[code] = new Template(message);
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continue;
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}
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// By language { english: { 'number.min': <string | template> } }
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Assert(typeof message === 'object' && !Array.isArray(message), 'Invalid message for', code);
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const language = code;
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target[language] = target[language] || {};
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for (code in message) {
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const localized = message[code];
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if (code === 'root' ||
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Template.isTemplate(localized)) {
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target[language][code] = localized;
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continue;
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}
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Assert(typeof localized === 'string', 'Invalid message for', code, 'in', language);
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target[language][code] = new Template(localized);
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}
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}
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return target;
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};
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exports.decompile = function (messages) {
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// By error code { 'number.min': <string | template> }
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const target = {};
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for (let code in messages) {
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const message = messages[code];
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if (code === 'root') {
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target.root = message;
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continue;
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}
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if (Template.isTemplate(message)) {
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target[code] = message.describe({ compact: true });
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continue;
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}
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// By language { english: { 'number.min': <string | template> } }
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const language = code;
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target[language] = {};
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for (code in message) {
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const localized = message[code];
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if (code === 'root') {
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target[language].root = localized;
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continue;
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}
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target[language][code] = localized.describe({ compact: true });
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}
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}
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return target;
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};
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exports.merge = function (base, extended) {
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if (!base) {
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return exports.compile(extended);
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}
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if (!extended) {
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return base;
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}
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// Single value string
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if (typeof extended === 'string') {
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return new Template(extended);
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}
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// Single value template
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if (Template.isTemplate(extended)) {
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return extended;
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}
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// By error code { 'number.min': <string | template> }
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const target = Clone(base);
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for (let code in extended) {
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const message = extended[code];
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if (code === 'root' ||
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Template.isTemplate(message)) {
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target[code] = message;
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continue;
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}
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if (typeof message === 'string') {
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target[code] = new Template(message);
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continue;
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}
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// By language { english: { 'number.min': <string | template> } }
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Assert(typeof message === 'object' && !Array.isArray(message), 'Invalid message for', code);
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const language = code;
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target[language] = target[language] || {};
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for (code in message) {
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const localized = message[code];
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if (code === 'root' ||
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Template.isTemplate(localized)) {
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target[language][code] = localized;
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continue;
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}
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Assert(typeof localized === 'string', 'Invalid message for', code, 'in', language);
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target[language][code] = new Template(localized);
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}
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}
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return target;
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};
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