svelte-ast-print/dist/template/tag.js

Serialize Svelte AST nodes into stringified syntax. A.k.a parse in reverse.

/**
 * Printers related to Svelte **tag**-like related AST nodes only.
 * @module svelte-ast-print/template/tag
 */
import * as char from "../_internal/char.js";
import { print_js } from "../_internal/js.js";
import { State } from "../_internal/shared.js";
import { CurlyBrackets } from "../_internal/wrapper.js";
/**
 * @since 1.0.0
 * @__NO_SIDE_EFFECTS__
 */
export function printTag(n, opts = {}) {
    // biome-ignore format: Prettier
    // prettier-ignore
    switch (n.type) {
        case "AttachTag": return printAttachTag(n, opts);
        case "ConstTag": return printConstTag(n, opts);
        case "DebugTag": return printDebugTag(n, opts);
        case "ExpressionTag": return printExpressionTag(n, opts);
        case "HtmlTag": return printHtmlTag(n, opts);
        case "RenderTag": return printRenderTag(n, opts);
    }
}
/**
 * @see {@link https://svelte.dev/docs/svelte/@attach}
 *
 * @example pattern
 * ```svelte
 * {@attach expression}
 * ```
 *
 * @since 1.1.0
 * @__NO_SIDE_EFFECTS__
 */
export function printAttachTag(n, opts = {}) {
    const st = State.get(n, opts);
    st.add(new CurlyBrackets("inline", char.AT, "attach", char.SPACE, print_js(n.expression, st.opts, false)));
    return st.result;
}
/**
 * @see {@link https://svelte.dev/docs/svelte/@const}
 *
 * @example pattern
 * ```svelte
 * {@const assignment}
 * ```
 *
 * @since 1.0.0
 * @__NO_SIDE_EFFECTS__
 */
export function printConstTag(n, opts = {}) {
    const st = State.get(n, opts);
    st.add(new CurlyBrackets("inline", char.AT, 
    // NOTE: This is an unique case, because we need to remove a semicolon at the end.
    print_js(n.declaration, st.opts).slice(0, -1)));
    return st.result;
}
/**
 * @see {@link https://svelte.dev/docs/svelte/@debug}
 *
 * @example pattern
 * ```svelte
 * {@debug identifiers}
 * ```
 *
 * @since 1.0.0
 * @__NO_SIDE_EFFECTS__
 */
export function printDebugTag(n, opts = {}) {
    const st = State.get(n, opts);
    const brackets = new CurlyBrackets("inline", char.AT, "debug", char.SPACE);
    for (const [idx, i] of n.identifiers.entries()) {
        if (idx > 0)
            brackets.insert(char.COMMA, char.SPACE);
        brackets.insert(print_js(i, st.opts));
    }
    st.add(brackets);
    return st.result;
}
/**
 * @see {@link https://svelte.dev/docs/svelte/basic-markup#Text-expressions}
 *
 * @example pattern
 * ```svelte
 * {expression}
 * ```
 *
 * @since 1.0.0
 * @__NO_SIDE_EFFECTS__
 */
export function printExpressionTag(n, opts = {}) {
    const st = State.get(n, opts);
    st.add(new CurlyBrackets("inline", print_js(n.expression, st.opts)));
    return st.result;
}
/**
 * @see {@link https://svelte.dev/docs/svelte/@html}
 *
 * @example pattern
 * ```svelte
 * {@html expression}
 * ```
 *
 * @since 1.0.0
 * @__NO_SIDE_EFFECTS__
 */
export function printHtmlTag(n, opts = {}) {
    const st = State.get(n, opts);
    st.add(new CurlyBrackets(
    //
    "inline", char.AT, "html", char.SPACE, print_js(n.expression, st.opts)));
    return st.result;
}
/**
 * @see {@link https://svelte.dev/docs/svelte/@render}
 *
 * @example pattern
 * ```svelte
 * {@render expression}
 * ```
 *
 * @since 1.0.0
 * @__NO_SIDE_EFFECTS__
 */
export function printRenderTag(n, opts = {}) {
    const st = State.get(n, opts);
    st.add(new CurlyBrackets(
    //
    "inline", char.AT, "render", char.SPACE, print_js(n.expression, st.opts)));
    return st.result;
}
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