WIP - add extractor, generate snippet_data

node_modules/ink/build/output.js

@@ -0,0 +1,70 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _stringLength = _interopRequireDefault(require("string-length"));
+
+var _sliceAnsi = _interopRequireDefault(require("slice-ansi"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * "Virtual" output class
+ *
+ * Handles the positioning and saving of the output of each node in the tree.
+ * Also responsible for applying transformations to each character of the output.
+ *
+ * Used to generate the final output of all nodes before writing it to actual output stream (e.g. stdout)
+ */
+class Output {
+  constructor({
+    width,
+    height
+  }) {
+    // Initialize output array with a specific set of rows, so that margin/padding at the bottom is preserved
+    const output = [];
+
+    for (let y = 0; y < height; y++) {
+      output.push(' '.repeat(width));
+    }
+
+    this.output = output;
+  }
+
+  write(x, y, text, {
+    transformers
+  }) {
+    if (!text) {
+      return;
+    }
+
+    const lines = text.split('\n');
+    let offsetY = 0;
+
+    for (let line of lines) {
+      const length = (0, _stringLength.default)(line);
+      const currentLine = this.output[y + offsetY]; // Line can be missing if `text` is taller than height of pre-initialized `this.output`
+
+      if (!currentLine) {
+        continue;
+      }
+
+      for (const transformer of transformers) {
+        line = transformer(line);
+      }
+
+      this.output[y + offsetY] = (0, _sliceAnsi.default)(currentLine, 0, x) + line + (0, _sliceAnsi.default)(currentLine, x + length);
+      offsetY++;
+    }
+  }
+
+  get() {
+    return this.output.map(line => line.trimRight()).join('\n');
+  }
+
+}
+
+exports.default = Output;