plugin-samples/variables-import-export/import.html at main · figma/plugin-samples · GitHub

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<style>
  :root {
    --spacing: 0.8rem;
  }
  * {
    box-sizing: border-box;
  }
  body {
    background-color: var(--figma-color-bg);
    color: var(--figma-color-text);
    margin: 0;
    padding: var(--spacing);
  }
  html,
  body {
    height: 100%;
  }
  form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
    height: 100%;
  }
  button {
    appearance: none;
    border-radius: 4px;
    padding: var(--spacing);
  }
  input,
  textarea {
    font-family: Andale Mono, monospace;
    font-size: 0.9rem;
    padding: var(--spacing);
  }
  textarea {
    flex: 1;
    white-space: pre;
  }
  form > * {
    display: block;
    width: 100%;
  }
  button {
    background-color: var(--figma-color-bg-brand);
    border: none;
    color: var(--figma-color-text-onbrand);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
      Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue",
      sans-serif;
    font-weight: bold;
  }
  input,
  textarea {
    background-color: var(--figma-color-bg-secondary);
    color: var(--figma-color-text-secondary);
    border: 2px solid var(--figma-color-border);
  }
  input:focus,
  textarea:focus {
    border-color: var(--figma-color-border-selected);
    outline: none;
  }
</style>
<form>
  <input
    placeholder="Collection Name"
    required
    type="text"
    value="Wild Examples"
  />
  <textarea required placeholder="Tokens JSON">
{
  "color": {
    "grouptyped": {
      "$type": "color",
      "brown": { "$value": "#a2845e" },
      "danger-deep": { "$value": "{color.valuetyped.danger}" }
    },
    "valuetyped": {
      "red": {
        "$value": "{color.deep.deep.deep.deep.deep}"
      },
      "danger": { "$value": "{color.valuetyped.red}" }
    },
    "deep": {"deep": {"deep": {"deep": {"deep": {"$type": "color", "$value": "#FF0000" }}}}}
  },
  "spacing": {
    "$type": "number",
    "some numbers": {
      "spacer0": {"$value": 0},
      "spacerXs": {"$value": 4},
      "spacerS": {"$value": 8},
      "spacerM": {"$value": 16},
      "spacerX": {"$value": 24},
      "spacerXl": {"$value": 32},
      "spacerXxl": {"$value": 40},
      "spacex": {
        "funniness": {"$value": 0},
        "cleverness": {"$value": 1}
      }
    }
  }
}
</textarea
  >
  <button type="submit">Import Variables</button>
</form>

<script>
  document.querySelector("form").addEventListener("submit", (e) => {
    const fileName = document.querySelector("input").value.trim();
    const body = document.querySelector("textarea").value.trim();
    e.preventDefault();
    if (isValidJSON(body) && fileName) {
      parent.postMessage(
        { pluginMessage: { fileName, body, type: "IMPORT" } },
        "*"
      );
    } else {
      alert("Invalid filename or JSON");
    }
  });

  function isValidJSON(body) {
    try {
      JSON.parse(body);
      return true;
    } catch (e) {
      return false;
    }
  }
</script>