31 lines
821 B
JavaScript
31 lines
821 B
JavaScript
import EleventyBaseError from "../Errors/EleventyBaseError.js";
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class JavaScriptInvalidDataFormatError extends EleventyBaseError {}
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export default async function (inst, inputPath, key = "data", options = {}) {
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let { mixins, isObjectRequired } = Object.assign(
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{
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mixins: {},
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isObjectRequired: true,
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},
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options,
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);
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if (inst && key in inst) {
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// get extra data from `data` method,
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// either as a function or getter or object literal
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let result = await (typeof inst[key] === "function"
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? Object.keys(mixins).length > 0
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? inst[key].call(mixins)
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: inst[key]()
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: inst[key]);
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if (isObjectRequired && typeof result !== "object") {
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throw new JavaScriptInvalidDataFormatError(
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`Invalid data format returned from ${inputPath}: typeof ${typeof result}`,
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);
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}
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return result;
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}
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}
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