🧶 knitwork

Utilities to generate JavaScript code.

Install

# ✨ Auto-detect
npx nypm install knitwork

# npm
npm install knitwork

# yarn
yarn add knitwork

# pnpm
pnpm add knitwork

# bun
bun install knitwork

# deno
deno install npm:knitwork

ESM (Node.js, Bun, Deno)

import {} from "knitwork";

CommonJS (Legacy Node.js)

const {} = require("knitwork");

CDN (Deno and Browsers)

import {} from "https://esm.sh/knitwork";

ESM

genDynamicImport(specifier, options)

Generate an ESM dynamic import() statement.

genDynamicTypeImport(specifier, name, options)

Generate an ESM type import() statement.

genExport(specifier, exports?, options)

Generate an ESM export statement.

genImport(specifier, imports?, options)

Generate an ESM import statement.

Example:

genImport("pkg", "foo");
// ~> `import foo from "pkg";`

genImport("pkg", ["foo"]);
// ~> `import { foo } from "pkg";`

genImport("pkg", ["a", "b"]);
// ~> `import { a, b } from "pkg`;

genImport("pkg", [{ name: "default", as: "bar" }]);
// ~> `import { default as bar } from "pkg`;

genImport("pkg", [{ name: "foo", as: "bar" }]);
// ~> `import { foo as bar } from "pkg`;

genImport("pkg", "foo", { attributes: { type: "json" } });
// ~> `import foo from "pkg" with { type: "json" };

genExport("pkg", "foo");
// ~> `export foo from "pkg";`

genExport("pkg", ["a", "b"]);
// ~> `export { a, b } from "pkg";`

// export * as bar from "pkg"
genExport("pkg", { name: "*", as: "bar" });
// ~> `export * as bar from "pkg";`

genTypeImport(specifier, imports, options)

Generate an ESM import type statement.

Serialization

genArrayFromRaw(array, indent, options)

Serialize an array to a string.

Values are not escaped or quoted.

Example:

genArrayFromRaw([1, 2, 3])
// ~> `[1, 2, 3]`

genObjectFromRaw(object, indent, options)

Serialize an object to a string.

Values are not escaped or quoted.

Example:

genObjectFromRaw({ foo: "bar", test: '() => import("pkg")' })
// ~> `{ foo: bar, test: () => import("pkg") }`

genObjectFromRawEntries(array, indent, options)

Serialize an array of key-value pairs to a string.

Values are not escaped or quoted.

genObjectFromValues(obj, indent, options)

Serialize an object to a string.

Values are escaped and quoted if necessary.

Example:

genObjectFromValues({ foo: "bar" })
// ~> `{ foo: "bar" }`

String

escapeString(id)

Escape a string for use in a javascript string.

genSafeVariableName(name)

Generate a safe javascript variable name.

genString(input, options)

Generate a string with double or single quotes and handle escapes.

Typescript

genAugmentation(specifier)

Generate typescript declare module augmentation.

genInlineTypeImport(specifier, name, options)

Generate an typescript typeof import() statement for default import.

genInterface(name, contents?, options, indent)

Generate typescript interface.

genTypeExport(specifier, imports, options)

Generate a typescript export type statement.

genTypeObject(object, indent)

Generate typescript object type.

Utils

genObjectKey(key)

Generate a safe javascript variable name for an object key.

wrapInDelimiters(lines, indent, delimiters, withComma)

Wrap an array of strings in delimiters.

Contribution

Local development

• Clone this repository
• Install the latest LTS version of Node.js
• Enable Corepack using corepack enable
• Install dependencies using bun install
• Run tests using bun dev

License

Published under the MIT license. Made by @pi0, @danielroe and community 💛

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