From 452c33c0db3f37c2ebfec7c0c7d67f3ef289b83d Mon Sep 17 00:00:00 2001 From: Sheldon Guo Date: Fri, 21 Feb 2025 17:24:07 +0800 Subject: [PATCH] feat: add json-templates package with initial implementation and filters --- packages/core/json-templates/.npmignore | 2 + packages/core/json-templates/LICENSE | 661 ++++++++++++++++++ packages/core/json-templates/README.md | 30 + packages/core/json-templates/package.json | 14 + .../src/__tests__/parser.test.ts | 114 +++ packages/core/json-templates/src/engine.ts | 18 + packages/core/json-templates/src/escape.ts | 51 ++ .../core/json-templates/src/filters/date.ts | 51 ++ .../core/json-templates/src/filters/index.ts | 75 ++ packages/core/json-templates/src/index.ts | 11 + packages/core/json-templates/src/parser.ts | 137 ++++ packages/core/json-templates/tsconfig.json | 6 + .../src/__tests__/json-templates.test.ts | 13 + 13 files changed, 1183 insertions(+) create mode 100644 packages/core/json-templates/.npmignore create mode 100644 packages/core/json-templates/LICENSE create mode 100644 packages/core/json-templates/README.md create mode 100644 packages/core/json-templates/package.json create mode 100644 packages/core/json-templates/src/__tests__/parser.test.ts create mode 100644 packages/core/json-templates/src/engine.ts create mode 100644 packages/core/json-templates/src/escape.ts create mode 100644 packages/core/json-templates/src/filters/date.ts create mode 100644 packages/core/json-templates/src/filters/index.ts create mode 100644 packages/core/json-templates/src/index.ts create mode 100644 packages/core/json-templates/src/parser.ts create mode 100644 packages/core/json-templates/tsconfig.json diff --git a/packages/core/json-templates/.npmignore b/packages/core/json-templates/.npmignore new file mode 100644 index 0000000000..c593fe9df7 --- /dev/null +++ b/packages/core/json-templates/.npmignore @@ -0,0 +1,2 @@ +/node_modules +/src \ No newline at end of file diff --git a/packages/core/json-templates/LICENSE b/packages/core/json-templates/LICENSE new file mode 100644 index 0000000000..0ad25db4bd --- /dev/null +++ b/packages/core/json-templates/LICENSE @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/packages/core/json-templates/README.md b/packages/core/json-templates/README.md new file mode 100644 index 0000000000..d3e8120f6f --- /dev/null +++ b/packages/core/json-templates/README.md @@ -0,0 +1,30 @@ +# NocoBase + + + + +## What is NocoBase + +NocoBase is a scalability-first, open-source no-code development platform. +Instead of investing years of time and millions of dollars in research and development, deploy NocoBase in a few minutes and you'll have a private, controllable, and extremely scalable no-code development platform! + +Homepage: +https://www.nocobase.com/ + +Online Demo: +https://demo.nocobase.com/new + +Documents: +https://docs.nocobase.com/ + +Commericial license & plugins: +https://www.nocobase.com/en/commercial + +License agreement: +https://www.nocobase.com/en/agreement + + +## Contact Us: +hello@nocobase.com \ No newline at end of file diff --git a/packages/core/json-templates/package.json b/packages/core/json-templates/package.json new file mode 100644 index 0000000000..0b3d151e0c --- /dev/null +++ b/packages/core/json-templates/package.json @@ -0,0 +1,14 @@ +{ + "name": "@nocobase/json-templates", + "version": "1.6.0-alpha.28", + "license": "AGPL-3.0", + "main": "lib/index.js", + "types": "lib/index.d.ts", + "dependencies": { + "lodash": "^4.x", + "dayjs": "^1.11.9", + "object-path": "^0.11.8", + "liquidjs": "^10.20.3" + }, + "gitHead": "d0b4efe4be55f8c79a98a331d99d9f8cf99021a1" +} diff --git a/packages/core/json-templates/src/__tests__/parser.test.ts b/packages/core/json-templates/src/__tests__/parser.test.ts new file mode 100644 index 0000000000..56c7a381ff --- /dev/null +++ b/packages/core/json-templates/src/__tests__/parser.test.ts @@ -0,0 +1,114 @@ +/** + * This file is part of the NocoBase (R) project. + * Copyright (c) 2020-2024 NocoBase Co., Ltd. + * Authors: NocoBase Team. + * + * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License. + * For more information, please refer to: https://www.nocobase.com/agreement. + */ + +import { parse } from '../parser'; +describe('json-templates', () => { + it('parse json with string template', async () => { + const template = { + name: '{{id}}-{{name}}.', + age: 18, + }; + const result = parse(template)({ + name: 'test', + id: 1, + }); + expect(result).toEqual({ + name: '1-test.', + age: 18, + }); + }); +}); + +describe('json-templates filters', () => { + it('date filters', async () => { + const template = { + now: '{{now}}', + today: '{{now | date_format: "YYYY-MM-DD"}}', + yesterday: '{{now | date_subtract: 1, "day" | date_format: "YYYY-MM-DD"}}', + }; + + const parsed = parse(template); + const now = new Date('2025-01-01: 12:00:00'); + const result = parsed({ + now, + }); + expect(result).toEqual({ + now, + today: '2025-01-01', + yesterday: '2024-12-31', + }); + }); + + it('multiple level accessiong', async () => { + const template = { + user: '{{user.name}}', + firstOfArray1: '{{array.0}}', + firstOfArray2: '{{array[0]}}', + }; + const result = parse(template)({ + user: { name: 'john' }, + array: ['first', 'second'], + }); + expect(result).toEqual({ + user: 'john', + firstOfArray1: 'first', + firstOfArray2: 'first', + }); + }); + + it('when non-string type', async () => { + class Form {} + const form = new Form(); + const template = { + form: '{{form}}', + }; + const result = parse(template)({ + form, + }); + expect(result).toEqual({ + form, + }); + }); + + it('when key is undefined, ignore it', async () => { + const template = { + key1: '{{current.key1}}', + key2: '{{current.key2}}', + }; + const result = parse(template)({ + current: { key1: 'value1' }, + }); + expect(result).toEqual({ + key1: 'value1', + key2: undefined, + }); + }); + + it('special character', async () => { + const template = { + $now: '{{$now}}', + '@today': '{{ $nDate.today }}', + $yesterday: '{{ $now | date_subtract: 1, "day" | date_format: "YYYY-MM-DD" }}', + }; + + const parsed = parse(template); + const $now = new Date('2025-01-01: 12:00:00'); + const result = parsed({ + $now, + $nDate: { + today: '2025-01-01', + }, + }); + expect(result).toEqual({ + $now, + '@today': '2025-01-01', + $yesterday: '2024-12-31', + }); + }); +}); diff --git a/packages/core/json-templates/src/engine.ts b/packages/core/json-templates/src/engine.ts new file mode 100644 index 0000000000..d5e87fdf10 --- /dev/null +++ b/packages/core/json-templates/src/engine.ts @@ -0,0 +1,18 @@ +/** + * This file is part of the NocoBase (R) project. + * Copyright (c) 2020-2024 NocoBase Co., Ltd. + * Authors: NocoBase Team. + * + * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License. + * For more information, please refer to: https://www.nocobase.com/agreement. + */ + +import { Liquid } from 'liquidjs'; +export { TokenKind } from 'liquidjs'; +import { variableFilters } from './filters'; +const engine = new Liquid(); + +variableFilters.forEach(({ name, filterFn }) => { + engine.registerFilter(name, filterFn); +}); +export default engine; diff --git a/packages/core/json-templates/src/escape.ts b/packages/core/json-templates/src/escape.ts new file mode 100644 index 0000000000..180a426a49 --- /dev/null +++ b/packages/core/json-templates/src/escape.ts @@ -0,0 +1,51 @@ +/** + * This file is part of the NocoBase (R) project. + * Copyright (c) 2020-2024 NocoBase Co., Ltd. + * Authors: NocoBase Team. + * + * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License. + * For more information, please refer to: https://www.nocobase.com/agreement. + */ + +import { isArray, isObject, isString, mapKeys, mapValues } from 'lodash'; +const escapes = [ + { key: '$', name: 'dollar' }, + { key: '@', name: 'at' }, +]; +export const escapeSpecialChars = (str: string) => { + return str.replace(/[$@]/g, (match) => { + const escape = escapes.find((item) => item.key === match); + return `nocobase_${escape?.name}_`; + }); +}; + +export const revertEscapeSpecialChars = (str: string) => { + return str.replace(/nocobase_(dollar|at)_/g, (match, name) => { + const escape = escapes.find((item) => item.name === name); + return escape?.key || ''; + }); +}; + +export function escape(input) { + if (isArray(input)) { + return input.map(escape); + + // check keys number of object to skip the object like new Date() + } else if (isObject(input) && Object.keys(input).length > 0) { + return mapKeys(mapValues(input, escape), (value, key) => escape(key)); + } else if (isString(input)) { + return escapeSpecialChars(input); + } + return input; +} + +export function revertEscape(input) { + if (isArray(input)) { + return input.map(revertEscape); + } else if (isObject(input)) { + return mapKeys(mapValues(input, revertEscape), (value, key) => revertEscape(key)); + } else if (isString(input)) { + return revertEscapeSpecialChars(input); + } + return input; +} diff --git a/packages/core/json-templates/src/filters/date.ts b/packages/core/json-templates/src/filters/date.ts new file mode 100644 index 0000000000..8cae18cd1b --- /dev/null +++ b/packages/core/json-templates/src/filters/date.ts @@ -0,0 +1,51 @@ +/** + * This file is part of the NocoBase (R) project. + * Copyright (c) 2020-2024 NocoBase Co., Ltd. + * Authors: NocoBase Team. + * + * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License. + * For more information, please refer to: https://www.nocobase.com/agreement. + */ + +import dayjs from 'dayjs'; +import advancedFormat from 'dayjs/plugin/advancedFormat'; +import customParseFormat from 'dayjs/plugin/customParseFormat'; +import IsBetween from 'dayjs/plugin/isBetween'; +import IsSameOrAfter from 'dayjs/plugin/isSameOrAfter'; +import isSameOrBefore from 'dayjs/plugin/isSameOrBefore'; +import isoWeek from 'dayjs/plugin/isoWeek'; +import localeData from 'dayjs/plugin/localeData'; +import quarterOfYear from 'dayjs/plugin/quarterOfYear'; +import tz from 'dayjs/plugin/timezone'; +import utc from 'dayjs/plugin/utc'; +import weekOfYear from 'dayjs/plugin/weekOfYear'; +import weekYear from 'dayjs/plugin/weekYear'; +import weekday from 'dayjs/plugin/weekday'; + +dayjs.extend(weekday); +dayjs.extend(localeData); +dayjs.extend(tz); +dayjs.extend(utc); +dayjs.extend(quarterOfYear); +dayjs.extend(isoWeek); +dayjs.extend(IsBetween); +dayjs.extend(IsSameOrAfter); +dayjs.extend(isSameOrBefore); +dayjs.extend(weekOfYear); +dayjs.extend(weekYear); +dayjs.extend(customParseFormat); +dayjs.extend(advancedFormat); + +export function dateFormat(initialValue: any, format: string) { + return dayjs.isDayjs(initialValue) ? initialValue.format(format) : dayjs(initialValue).format(format); +} + +export function dateAdd(initialValue: any, number: number, unit: any) { + const value = dayjs.isDayjs(initialValue) ? initialValue : dayjs(initialValue); + return value.add(number, unit); +} + +export function dateSubtract(initialValue: any, number: number, unit: any) { + const value = dayjs.isDayjs(initialValue) ? initialValue : dayjs(initialValue); + return value.subtract(number, unit); +} diff --git a/packages/core/json-templates/src/filters/index.ts b/packages/core/json-templates/src/filters/index.ts new file mode 100644 index 0000000000..8f1b9838cb --- /dev/null +++ b/packages/core/json-templates/src/filters/index.ts @@ -0,0 +1,75 @@ +/** + * This file is part of the NocoBase (R) project. + * Copyright (c) 2020-2024 NocoBase Co., Ltd. + * Authors: NocoBase Team. + * + * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License. + * For more information, please refer to: https://www.nocobase.com/agreement. + */ + +import { dateFormat, dateAdd, dateSubtract } from './date'; + +export const variableFilters = [ + { + name: 'date_format', + label: 'format', + filterFn: dateFormat, + category: 'date', + paramSchema: [ + { + label: "{{t('Format')}}", + 'x-component': 'Input', + type: 'string', + required: true, + }, + ], + }, + { + name: 'date_add', + label: 'add', + filterFn: dateAdd, + category: 'date', + paramSchema: [ + { + title: "{{t('Number')}}", + type: 'number', + required: true, + }, + { + title: 'unit', + type: 'string', + required: true, + 'x-component': 'Select', + enum: [ + { label: "{{t('Year')}}", value: 'year' }, + { label: "{{t('Month')}}", value: 'month' }, + { label: "{{t('Day')}}", value: 'day' }, + ], + }, + ], + }, + { + name: 'date_subtract', + label: 'substract', + filterFn: dateSubtract, + category: 'date', + paramSchema: [ + { + title: "{{t('Number')}}", + type: 'number', + required: true, + }, + { + title: "{{t('Unit')}}", + type: 'string', + required: true, + 'x-component': 'Select', + enum: [ + { label: "{{t('Year')}}", value: 'year' }, + { label: "{{t('Month')}}", value: 'month' }, + { label: "{{t('Day')}}", value: 'day' }, + ], + }, + ], + }, +]; diff --git a/packages/core/json-templates/src/index.ts b/packages/core/json-templates/src/index.ts new file mode 100644 index 0000000000..153623c63d --- /dev/null +++ b/packages/core/json-templates/src/index.ts @@ -0,0 +1,11 @@ +/** + * This file is part of the NocoBase (R) project. + * Copyright (c) 2020-2024 NocoBase Co., Ltd. + * Authors: NocoBase Team. + * + * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License. + * For more information, please refer to: https://www.nocobase.com/agreement. + */ + +export * from './parser'; +export * from './filters'; diff --git a/packages/core/json-templates/src/parser.ts b/packages/core/json-templates/src/parser.ts new file mode 100644 index 0000000000..3e6b44c010 --- /dev/null +++ b/packages/core/json-templates/src/parser.ts @@ -0,0 +1,137 @@ +/** + * This file is part of the NocoBase (R) project. + * Copyright (c) 2020-2024 NocoBase Co., Ltd. + * Authors: NocoBase Team. + * + * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License. + * For more information, please refer to: https://www.nocobase.com/agreement. + */ + +// json-templates +// Simple templating within JSON structures. +// +// Created by Curran Kelleher and Chrostophe Serafin. +// Contributions from Paul Brewer and Javier Blanco Martinez. +import { get } from 'lodash'; +import liquidjsEngine, { TokenKind } from './engine'; +import { escape, revertEscape } from './escape'; + +// An enhanced version of `typeof` that handles arrays and dates as well. +function type(value) { + let valueType: string = typeof value; + if (Array.isArray(value)) { + valueType = 'array'; + } else if (value instanceof Date) { + valueType = 'date'; + } else if (value === null) { + valueType = 'null'; + } + + return valueType; +} + +// Constructs a template function with deduped `parameters` property. +function Template(fn, parameters) { + fn.parameters = Array.from(new Map(parameters.map((parameter) => [parameter.key, parameter])).values()); + return fn; +} + +// Parses the given template object. +// +// Returns a function `template(context)` that will "fill in" the template +// with the context object passed to it. +// +// The returned function has a `parameters` property, +// which is an array of parameter descriptor objects, +// each of which has a `key` property and possibly a `defaultValue` property. +export function parse(value) { + switch (type(value)) { + case 'string': + return parseString(value); + case 'object': + return parseObject(value); + case 'array': + return parseArray(value); + default: + return Template(function () { + return value; + }, []); + } +} + +// Parses leaf nodes of the template object that are strings. +// Also used for parsing keys that contain templates. +const parseString = (() => { + // This regular expression detects instances of the + // template parameter syntax such as {{foo}} or {{foo:someDefault}}. + + return (str) => { + const escapeStr = escape(str); + const rawTemplates = liquidjsEngine.parse(escapeStr); + const templates = rawTemplates + .filter((rawTemplate) => rawTemplate.token.kind === TokenKind.Output) + .map((rawTemplate) => { + const fullVariables = liquidjsEngine.fullVariablesSync(rawTemplate.token.input); + return { + // @ts-ignore + variableName: fullVariables[0], + tokenBegin: rawTemplate.token.begin, + tokenEnd: rawTemplate.token.end, + // @ts-ignore + filters: rawTemplate.value?.filters.map(({ name, handler, args }) => ({ + name, + handler, + args: args.map((arg) => arg.content), + })), + }; + }); + const templateFn = (context) => { + const escapedContext = escape(context); + if (templates.length === 1 && templates[0].tokenBegin === 0 && templates[0].tokenEnd === escapeStr.length) { + let value = get(escapedContext, templates[0].variableName); + if (typeof value === 'function') { + value = value(); + } + if (Array.isArray(templates[0].filters)) { + return templates[0].filters.reduce((acc, filter) => filter.handler(...[acc, ...filter.args]), value); + } + } + return revertEscape(liquidjsEngine.renderSync(rawTemplates, escapedContext)); + }; + + // Accommodate non-string as original values. + + const parameters = templates.map((template) => ({ key: revertEscape(template.variableName) })); + + return Template(templateFn, parameters); + }; +})(); + +// Parses non-leaf-nodes in the template object that are objects. +function parseObject(object) { + const children = Object.keys(object).map((key) => ({ + keyTemplate: parseString(key), + valueTemplate: parse(object[key]), + })); + const templateParameters = children.reduce( + (parameters, child) => parameters.concat(child.valueTemplate.parameters, child.keyTemplate.parameters), + [], + ); + const templateFn = (context) => { + return children.reduce((newObject, child) => { + newObject[child.keyTemplate(context)] = child.valueTemplate(context); + return newObject; + }, {}); + }; + + return Template(templateFn, templateParameters); +} + +// Parses non-leaf-nodes in the template object that are arrays. +function parseArray(array) { + const templates = array.map(parse); + const templateParameters = templates.reduce((parameters, template) => parameters.concat(template.parameters), []); + const templateFn = (context) => templates.map((template) => template(context)); + + return Template(templateFn, templateParameters); +} diff --git a/packages/core/json-templates/tsconfig.json b/packages/core/json-templates/tsconfig.json new file mode 100644 index 0000000000..764bf5506a --- /dev/null +++ b/packages/core/json-templates/tsconfig.json @@ -0,0 +1,6 @@ +{ + "extends": "../../../tsconfig.json", + "compilerOptions": { + "types": ["vitest/globals"] + } +} diff --git a/packages/core/utils/src/__tests__/json-templates.test.ts b/packages/core/utils/src/__tests__/json-templates.test.ts index 064f71bc1f..7fd89dff45 100644 --- a/packages/core/utils/src/__tests__/json-templates.test.ts +++ b/packages/core/utils/src/__tests__/json-templates.test.ts @@ -24,4 +24,17 @@ describe('json-templates', () => { age: 18, }); }); + + it('when key is class', async () => { + const date = new Date(); + const template = { + key1: '{{date}}', + }; + const result = parse(template)({ + date, + }); + expect(result).toEqual({ + key1: date, + }); + }); });