stuff

node_modules/@marp-team/marpit/lib/markdown/directives/apply.js

@@ -0,0 +1,98 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = exports.apply = void 0;
+var _lodash = _interopRequireDefault(require("lodash.kebabcase"));
+var _inline_style = _interopRequireDefault(require("../../helpers/inline_style"));
+var _plugin = _interopRequireDefault(require("../../plugin"));
+var _directives = _interopRequireDefault(require("./directives"));
+function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
+/** @module */
+
+/**
+ * Apply parsed Marpit directives to markdown-it tokens.
+ *
+ * @function apply
+ * @param {MarkdownIt} md markdown-it instance.
+ * @param {Object} [opts]
+ * @param {boolean} [opts.dataset=true] Assigns directives as HTML data
+ *     attributes of each section tag.
+ * @param {boolean} [opts.css=true] Assigns directives as CSS Custom Properties
+ *     of each section tag.
+ */
+function _apply(md, opts = {}) {
+  const {
+    marpit
+  } = md;
+  const {
+    lang
+  } = marpit.options;
+  const dataset = opts.dataset === undefined ? true : !!opts.dataset;
+  const css = opts.css === undefined ? true : !!opts.css;
+  const {
+    global,
+    local
+  } = marpit.customDirectives;
+  const directives = [...Object.keys(global), ...Object.keys(local), ..._directives.default];
+  md.core.ruler.after('marpit_directives_parse', 'marpit_directives_apply', state => {
+    if (state.inlineMode) return;
+    let pageNumber = 0;
+    const tokensForPaginationTotal = [];
+    for (const token of state.tokens) {
+      const {
+        marpitDirectives
+      } = token.meta || {};
+      if (token.type === 'marpit_slide_open') {
+        // `skip` and `hold` disable increment of the page number
+        if (!(marpitDirectives?.paginate === 'skip' || marpitDirectives?.paginate === 'hold')) {
+          pageNumber += 1;
+        }
+      }
+      if (marpitDirectives) {
+        const style = new _inline_style.default(token.attrGet('style'));
+        for (const dir of Object.keys(marpitDirectives)) {
+          if (directives.includes(dir)) {
+            const value = marpitDirectives[dir];
+            if (value) {
+              const kebabCaseDir = (0, _lodash.default)(dir);
+              if (dataset) token.attrSet(`data-${kebabCaseDir}`, value);
+              if (css) style.set(`--${kebabCaseDir}`, value);
+            }
+          }
+        }
+
+        // Apply attribute to token
+        if (marpitDirectives.lang || lang) token.attrSet('lang', marpitDirectives.lang || lang);
+        if (marpitDirectives.class) token.attrJoin('class', marpitDirectives.class);
+        if (marpitDirectives.color) style.set('color', marpitDirectives.color);
+        if (marpitDirectives.backgroundColor) style.set('background-color', marpitDirectives.backgroundColor).set('background-image', 'none');
+        if (marpitDirectives.backgroundImage) {
+          style.set('background-image', marpitDirectives.backgroundImage).set('background-position', 'center').set('background-repeat', 'no-repeat').set('background-size', 'cover');
+          if (marpitDirectives.backgroundPosition) style.set('background-position', marpitDirectives.backgroundPosition);
+          if (marpitDirectives.backgroundRepeat) style.set('background-repeat', marpitDirectives.backgroundRepeat);
+          if (marpitDirectives.backgroundSize) style.set('background-size', marpitDirectives.backgroundSize);
+        }
+        if (marpitDirectives.paginate && marpitDirectives.paginate !== 'skip') {
+          // If the page number was still not incremented, mark this page as
+          // the first page.
+          if (pageNumber <= 0) pageNumber = 1;
+          token.attrSet('data-marpit-pagination', pageNumber);
+          tokensForPaginationTotal.push(token);
+        }
+        if (marpitDirectives.header) token.meta.marpitHeader = marpitDirectives.header;
+        if (marpitDirectives.footer) token.meta.marpitFooter = marpitDirectives.footer;
+        const styleStr = style.toString();
+        if (styleStr !== '') token.attrSet('style', styleStr);
+      }
+    }
+
+    // Set total page number to each slide page that has pagination attribute
+    for (const token of tokensForPaginationTotal) {
+      token.attrSet('data-marpit-pagination-total', pageNumber);
+    }
+  });
+}
+const apply = exports.apply = (0, _plugin.default)(_apply);
+var _default = exports.default = apply;