b4f057f01d
typos in comments, remove references to crate-info, Self type in ordered_json and sorted_template
83 lines
2.5 KiB
Rust
83 lines
2.5 KiB
Rust
use std::borrow::Borrow;
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use std::fmt;
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use itertools::Itertools as _;
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use serde::{Deserialize, Serialize};
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use serde_json::Value;
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/// Prerendered json.
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///
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/// Both the Display and serde_json::to_string implementations write the serialized json
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
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#[serde(from = "Value")]
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#[serde(into = "Value")]
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pub(crate) struct OrderedJson(String);
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impl OrderedJson {
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/// If you pass in an array, it will not be sorted.
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pub(crate) fn serialize<T: Serialize>(item: T) -> Result<Self, serde_json::Error> {
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Ok(Self(serde_json::to_string(&item)?))
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}
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/// Serializes and sorts
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pub(crate) fn array_sorted<T: Borrow<Self>, I: IntoIterator<Item = T>>(items: I) -> Self {
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let items = items
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.into_iter()
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.sorted_unstable_by(|a, b| a.borrow().cmp(&b.borrow()))
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.format_with(",", |item, f| f(item.borrow()));
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Self(format!("[{}]", items))
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}
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pub(crate) fn array_unsorted<T: Borrow<Self>, I: IntoIterator<Item = T>>(items: I) -> Self {
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let items = items.into_iter().format_with(",", |item, f| f(item.borrow()));
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Self(format!("[{items}]"))
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}
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}
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impl fmt::Display for OrderedJson {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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self.0.fmt(f)
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}
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}
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impl From<Value> for OrderedJson {
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fn from(value: Value) -> Self {
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let serialized =
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serde_json::to_string(&value).expect("Serializing a Value to String should never fail");
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Self(serialized)
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}
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}
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impl From<OrderedJson> for Value {
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fn from(json: OrderedJson) -> Self {
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serde_json::from_str(&json.0).expect("OrderedJson should always store valid JSON")
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}
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}
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/// For use in JSON.parse('{...}').
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///
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/// Assumes we are going to be wrapped in single quoted strings.
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///
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/// JSON.parse loads faster than raw JS source,
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/// so this is used for large objects.
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub(crate) struct EscapedJson(OrderedJson);
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impl From<OrderedJson> for EscapedJson {
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fn from(json: OrderedJson) -> Self {
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Self(json)
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}
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}
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impl fmt::Display for EscapedJson {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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// All these `replace` calls are because we have to go through JS string
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// for JSON content.
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// We need to escape double quotes for the JSON
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let json = self.0.0.replace('\\', r"\\").replace('\'', r"\'").replace("\\\"", "\\\\\"");
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json.fmt(f)
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}
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}
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#[cfg(test)]
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mod tests;
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