rspack_style 0.1.16

a rust toolkit bundled for front-end style files
Documentation 
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use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};
use std::path::Path;

pub struct StyleHash;

impl StyleHash {
  ///
  /// 根据文章内容生成 -> content_hash
  ///
  pub fn generate_hash_by_content(content: &str) -> String {
    let mut hasher = DefaultHasher::new();
    content.hash(&mut hasher);
    hasher.finish().to_string()
  }

  ///
  /// 根据 css 文件路径 和 文件内容 生成对应 css_modules 的前缀
  ///
  pub fn generate_css_module_hash(abs_filepath: &str, content: &str) -> String {
    let path = Path::new(abs_filepath);
    let mut perfix = "".to_string();
    if let Some(parent_path) = path.parent() {
      if let Some(parent_dir) = parent_path.file_name() {
        perfix += parent_dir.to_str().unwrap();
        perfix += "_";
      }
    }
    perfix += path
      .file_stem()
      .unwrap()
      .to_str()
      .unwrap()
      .replace('.', "_")
      .as_str();
    let content_hash = Self::generate_hash_by_content(content);
    format!("{}_{}", perfix, content_hash)
  }
}