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import TemplateContentPrematureUseError from "./TemplateContentPrematureUseError.js";
/* Hack to workaround the variety of error handling schemes in template languages */
class EleventyErrorUtil {
static get prefix() {
return ">>>>>11ty>>>>>";
}
static get suffix() {
return "<<<<<11ty<<<<<";
}
static hasEmbeddedError(msg) {
if (!msg) {
return false;
}
return msg.includes(EleventyErrorUtil.prefix) && msg.includes(EleventyErrorUtil.suffix);
}
static cleanMessage(msg) {
if (!msg) {
return "";
}
if (!EleventyErrorUtil.hasEmbeddedError(msg)) {
return "" + msg;
}
return msg.slice(0, Math.max(0, msg.indexOf(EleventyErrorUtil.prefix)));
}
static deconvertErrorToObject(error) {
if (!error || !error.message) {
throw new Error(`Could not convert error object from: ${error}`);
}
if (!EleventyErrorUtil.hasEmbeddedError(error.message)) {
return error;
}
let msg = error.message;
let objectString = msg.substring(
msg.indexOf(EleventyErrorUtil.prefix) + EleventyErrorUtil.prefix.length,
msg.lastIndexOf(EleventyErrorUtil.suffix),
);
let obj = JSON.parse(objectString);
obj.name = error.name;
return obj;
}
// pass an error through a random template engine’s error handling unscathed
static convertErrorToString(error) {
return (
EleventyErrorUtil.prefix +
JSON.stringify({ message: error.message, stack: error.stack }) +
EleventyErrorUtil.suffix
);
}
static isPrematureTemplateContentError(e) {
// TODO the rest of the template engines
return (
e instanceof TemplateContentPrematureUseError ||
e?.cause instanceof TemplateContentPrematureUseError || // Custom (per Node-convention)
["RenderError", "UndefinedVariableError"].includes(e?.originalError?.name) && e?.originalError?.originalError instanceof TemplateContentPrematureUseError || // Liquid
e?.message?.includes("TemplateContentPrematureUseError") // Nunjucks
);
}
}
export default EleventyErrorUtil;
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