@vue-macros/short-vmodel/dist/api-DHMz_EtZ.js

shortVmodel feature from Vue Macros.

import { createSimpleExpression, processExpression } from "@vue/compiler-core";

//#region src/core/transformer.ts
function transformShortVmodel({ prefix = "$" } = {}) {
	return (node, context) => {
		if (node.type !== 1) return;
		if (prefix === "::") processDirective(node);
		else processAttribute(prefix, node, context);
	};
}
function processDirective(node) {
	for (const [i, prop] of node.props.entries()) {
		if (prop.type !== 7 || prop.arg?.type !== 4 || !prop.arg.content.startsWith(":")) continue;
		prop.arg.loc.start.offset += 1;
		const argName = prop.arg.content.slice(1);
		node.props[i] = {
			...prop,
			name: "model",
			arg: argName.length > 0 ? {
				...prop.arg,
				content: prop.arg.content.slice(1)
			} : void 0
		};
	}
}
function processAttribute(prefix, node, context) {
	for (const [i, prop] of node.props.entries()) {
		if (prop.type !== 6 || !prop.name.startsWith(prefix) || !prop.value) continue;
		const expLoc = prop.value.loc;
		expLoc.start.offset++;
		expLoc.start.column++;
		expLoc.end.offset--;
		expLoc.end.column--;
		expLoc.source = expLoc.source.slice(1, -1);
		const simpleExpression = createSimpleExpression(prop.value.content, false, expLoc, 0);
		const exp = processExpression(simpleExpression, context);
		const argName = prop.name.slice(prefix.length);
		const arg = argName.length > 0 ? {
			type: 4,
			content: argName,
			constType: 3,
			isStatic: true,
			loc: {
				source: argName,
				start: {
					offset: prop.loc.start.offset + prefix.length,
					column: prop.loc.start.column,
					line: prop.loc.start.line
				},
				end: {
					offset: prop.loc.start.offset + prefix.length + argName.length,
					column: prop.loc.start.column,
					line: prop.loc.start.line
				}
			}
		} : void 0;
		node.props[i] = {
			type: 7,
			name: "model",
			arg,
			exp,
			modifiers: [],
			loc: prop.loc
		};
	}
}

//#endregion
export { processAttribute, processDirective, transformShortVmodel };