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"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformer = void 0;
const detect_indent_1 = __importDefault(require("detect-indent"));
const pug_1 = __importDefault(require("pug"));
// Mixins to use svelte template features
const GET_MIXINS = (indentationType) => `mixin if(condition)
%_| {#if !{condition}}
%_block
%_| {/if}
mixin else
%_| {:else}
%_block
mixin elseif(condition)
%_| {:else if !{condition}}
%_block
mixin key(expression)
%_| {#key !{expression}}
%_block
%_| {/key}
mixin each(loop)
%_| {#each !{loop}}
%_block
%_| {/each}
mixin await(promise)
%_| {#await !{promise}}
%_block
%_| {/await}
mixin then(answer)
%_| {:then !{answer}}
%_block
mixin catch(error)
%_| {:catch !{error}}
%_block
mixin html(expression)
%_| {@html !{expression}}
mixin const(expression)
%_| {@const !{expression}}
mixin debug(variables)
%_| {@debug !{variables}}`.replace(/%_/g, indentationType === 'tab' ? '\t' : ' ');
const transformer = async ({ content, filename, options, }) => {
var _a;
const pugOptions = {
// needed so pug doesn't mirror boolean attributes
// and prop spreading expressions.
doctype: 'html',
compileDebug: false,
filename,
...options,
};
const { type: indentationType } = (0, detect_indent_1.default)(content);
const input = `${GET_MIXINS(indentationType !== null && indentationType !== void 0 ? indentationType : 'space')}\n${content}`;
const compiled = pug_1.default.compile(input, pugOptions);
let code;
try {
code = compiled();
}
catch (e) {
// The error message does not have much context, add more of it
if (e instanceof Error) {
e.message = `[svelte-preprocess] Pug error while preprocessing ${filename}\n\n${e.message}`;
}
throw e;
}
return {
code,
dependencies: (_a = compiled.dependencies) !== null && _a !== void 0 ? _a : [],
};
};
exports.transformer = transformer;
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