Method fUpdate

src/LGraphCanvas.ts:7312–7348

(name: string, value: string | number | boolean | object | undefined)

      panel.addHTML("<h3>Properties</h3>")

      const fUpdate = (name: string, value: string | number | boolean | object | undefined) => {
        if (!this.graph) throw new NullGraphError()
        this.graph.beforeChange(node)
        switch (name) {
        case "Title":
          if (typeof value !== "string") throw new TypeError("Attempting to set title to non-string value.")

          node.title = value
          break
        case "Mode": {
          if (typeof value !== "string") throw new TypeError("Attempting to set mode to non-string value.")

          const kV = Object.values(LiteGraph.NODE_MODES).indexOf(value)
          if (kV !== -1 && LiteGraph.NODE_MODES[kV]) {
            node.changeMode(kV)
          } else {
            console.warn(`unexpected mode: ${value}`)
          }
          break
        }
        case "Color":
          if (typeof value !== "string") throw new TypeError("Attempting to set colour to non-string value.")

          if (LGraphCanvas.node_colors[value]) {
            node.color = LGraphCanvas.node_colors[value].color
            node.bgcolor = LGraphCanvas.node_colors[value].bgcolor
          } else {
            console.warn(`unexpected color: ${value}`)
          }
          break
        default:
          node.setProperty(name, value)
          break
        }
        this.graph.afterChange()
        this.dirty_canvas = true
      }

      panel.addWidget("string", "Title", node.title, {}, fUpdate)