feat: add full support of Vue.js

jest.config.js

@@ -71,6 +71,7 @@ module.exports = {
         "<rootDir>/packages/format-csv",
         "<rootDir>/packages/message-utils",
         "<rootDir>/packages/extractor-vue",
+        "<rootDir>/packages/vue",
       ],
     },
   ],

packages/vue/README.md

@@ -0,0 +1,34 @@
+[![License][badge-license]][license]
+[![Version][badge-version]][package]
+[![Downloads][badge-downloads]][package]
+
+# @lingui/vue
+
+> vue components for internationalization
+
+`@lingui/vue` is part of [LinguiJS][linguijs]. See the [documentation][documentation] for all information, tutorials and examples.
+
+## Installation
+
+```sh
+npm install --save @lingui/vue
+# yarn add @lingui/vue
+```
+
+## Usage
+
+See the [tutorial][tutorial] or [reference][reference] documentation.
+
+## License
+
+[MIT][license]
+
+[license]: https://github.com/lingui/js-lingui/blob/main/LICENSE
+[linguijs]: https://github.com/lingui/js-lingui
+[documentation]: https://lingui.dev
+[tutorial]: https://lingui.dev/tutorials/vue
+[reference]: https://lingui.dev/ref/vue
+[package]: https://www.npmjs.com/package/@lingui/vue
+[badge-downloads]: https://img.shields.io/npm/dw/@lingui/vue.svg
+[badge-version]: https://img.shields.io/npm/v/@lingui/vue.svg
+[badge-license]: https://img.shields.io/npm/l/@lingui/vue.svg

packages/vue/package.json

@@ -0,0 +1,91 @@
+{
+  "name": "@lingui/vue",
+  "version": "4.8.0-next.1",
+  "sideEffects": false,
+  "description": "Vue components & tools for translations",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.mjs",
+  "types": "./dist/index.d.ts",
+  "author": {
+    "name": "Jérôme Steunou",
+    "email": "[email protected]"
+  },
+  "license": "MIT",
+  "keywords": [
+    "vue",
+    "component",
+    "i18n",
+    "internationalization",
+    "i9n",
+    "translation",
+    "icu",
+    "messageformat",
+    "multilingual",
+    "localization",
+    "l10n"
+  ],
+  "scripts": {
+    "build": "rimraf ./dist && unbuild",
+    "stub": "unbuild --stub"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/lingui/js-lingui.git"
+  },
+  "bugs": {
+    "url": "https://github.com/lingui/js-lingui/issues"
+  },
+  "engines": {
+    "node": ">=16.0.0"
+  },
+  "exports": {
+    ".": {
+      "require": {
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
+      },
+      "import": {
+        "types": "./dist/index.d.mts",
+        "default": "./dist/index.mjs"
+      }
+    },
+    "./compiler": {
+      "require": {
+        "types": "./dist/compiler/index.d.cts",
+        "default": "./dist/compiler/index.cjs"
+      },
+      "import": {
+        "types": "./dist/compiler/index.d.mts",
+        "default": "./dist/compiler/index.mjs"
+      }
+    },
+    "./extractor": {
+      "require": {
+        "types": "./dist/extractor/index.d.cts",
+        "default": "./dist/extractor/index.cjs"
+      },
+      "import": {
+        "types": "./dist/extractor/index.d.mts",
+        "default": "./dist/extractor/index.mjs"
+      }
+    },
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "dist/"
+  ],
+  "dependencies": {
+    "@lingui/cli": "4.8.0-next.1",
+    "@lingui/core": "4.8.0-next.1",
+    "@lingui/message-utils": "4.8.0-next.1",
+    "@vue/compiler-core": "^3.3.4",
+    "@vue/compiler-sfc": "^3.3.4",
+    "vue": "^3.3.4"
+  },
+  "devDependencies": {
+    "@types/babel__core": "^7.20.5",
+    "unbuild": "2.0.0"
+  }
+}

packages/vue/src/common/Trans.test.ts

@@ -0,0 +1,219 @@
+import { getContent, getContext, getId } from "./Trans"
+import { run } from "../test/utils"
+import { generateMessageId } from "@lingui/message-utils/generateMessageId"
+
+//
+
+describe("getContext", () => {
+  it("should get the context", () => {
+    run(
+      `
+      <Trans context="direction">right</Trans>
+    `,
+      (node) => {
+        expect(getContext(node)).toEqual("direction")
+      }
+    )
+  })
+
+  it("should return undefined when context is empty", () => {
+    run(
+      `
+      <Trans context="">right</Trans>
+    `,
+      (node) => {
+        expect(getContext(node)).toEqual(undefined)
+      }
+    )
+  })
+
+  it("should return undefined when context is a directive", () => {
+    run(
+      `
+      <Trans :context="direction">right</Trans>
+    `,
+      (node) => {
+        expect(getContext(node)).toEqual(undefined)
+      }
+    )
+  })
+
+  it("should return undefined when no context", () => {
+    run(
+      `
+      <Trans>right</Trans>
+    `,
+      (node) => {
+        expect(getContext(node)).toEqual(undefined)
+      }
+    )
+  })
+})
+
+describe("getId", () => {
+  it("should return the given id when set", () => {
+    run(
+      `
+      <Trans id="direction.right">right</Trans>
+    `,
+      (node) => {
+        expect(getId(node, "right")).toEqual("direction.right")
+      }
+    )
+  })
+
+  it("should return the generated id when not set", () => {
+    run(
+      `
+      <Trans>right</Trans>
+    `,
+      (node) => {
+        expect(getId(node, "right")).toEqual(generateMessageId("right"))
+      }
+    )
+  })
+
+  it("should return the generated id when not set but with context", () => {
+    run(
+      `
+      <Trans context="direction">right</Trans>
+    `,
+      (node) => {
+        expect(getId(node, "right")).toEqual(
+          generateMessageId("right", "direction")
+        )
+      }
+    )
+  })
+
+  it("should return the generated id when id is empty but with context", () => {
+    run(
+      `
+      <Trans id="" context="direction">right</Trans>
+    `,
+      (node) => {
+        expect(getId(node, "right")).toEqual(
+          generateMessageId("right", "direction")
+        )
+      }
+    )
+  })
+
+  it("should return the generated id when id is empty and context empty", () => {
+    run(
+      `
+      <Trans id="" context="">right</Trans>
+    `,
+      (node) => {
+        expect(getId(node, "right")).toEqual(generateMessageId("right"))
+      }
+    )
+  })
+
+  it("should return the generated id when id is a directive", () => {
+    run(
+      `
+      <Trans :id="direction.right">right</Trans>
+    `,
+      (node) => {
+        expect(getId(node, "right")).toEqual(generateMessageId("right"))
+      }
+    )
+  })
+})
+
+describe("getContent", () => {
+  it("should return the content of a Trans component", () => {
+    run(
+      `
+      <Trans>This is some random content</Trans>
+    `,
+      (node) => {
+        expect(getContent(node).content).toEqual("This is some random content")
+      }
+    )
+  })
+
+  it("should return the content without blank", () => {
+    run(
+      `
+      <Trans> This is some random content  </Trans>
+    `,
+      (node) => {
+        expect(getContent(node).content).toEqual("This is some random content")
+      }
+    )
+  })
+
+  it("should return the content without line break", () => {
+    run(
+      `
+      <Trans>
+          This is some random content  
+      </Trans>
+    `,
+      (node) => {
+        expect(getContent(node).content).toEqual("This is some random content")
+      }
+    )
+  })
+
+  it("should return the content with named placeholder when var", () => {
+    run(
+      `
+        <Trans>Hello {{ name }}</Trans>
+    `,
+      (node) => {
+        expect(getContent(node).content).toEqual("Hello {name}")
+      }
+    )
+  })
+
+  it("should return the content with all named placeholder when var", () => {
+    run(
+      `
+        <Trans>Hello {{ name }} welcome to {{ town }} you are now a {{ persona }}!</Trans>
+    `,
+      (node) => {
+        expect(getContent(node).content).toEqual(
+          "Hello {name} welcome to {town} you are now a {persona}!"
+        )
+      }
+    )
+  })
+
+  it("should return the content with placeholder when inner tag", () => {
+    run(
+      `
+        <Trans>Hello <em>{{ name }}</em> welcome to {{ town }} <br /> <span>you are now <em><i>a {{ persona }}</i></em></span>!</Trans>
+    `,
+      (node) => {
+        expect(getContent(node).content).toEqual(
+          "Hello <0>{name}</0> welcome to {town} <1/> <2>you are now <3><4>a {persona}</4></3></2>!"
+        )
+      }
+    )
+  })
+
+  it("should return the content with placeholder when contains complex interpolation", () => {
+    run(
+      `
+        <Trans>Hello {{ user.name }}</Trans>
+    `,
+      (node) => {
+        expect(getContent(node).content).toEqual("Hello {0}")
+      }
+    )
+  })
+
+  it("should return the content with placeholders sequentially when contains multiple complex interpolation", () => {
+    run(
+      `
+        <Trans>Hello {{ user ? user : "John" }} and {{ guest.name }}</Trans>
+    `,
+      (node) => {
+        expect(getContent(node).content).toEqual("Hello {0} and {1}")
+      }
+    )
+  })
+})