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App.svelte
<script>
import { tweened } from 'svelte/motion';
import { cubicOut } from 'svelte/easing';

const progress = tweened(0, {
duration: 400,
easing: cubicOut
});
</script>

<progress value={$progress}></progress>

<button onclick={() => progress.set(0)}> 0% </button>

<button onclick={() => progress.set(0.25)}> 25% </button>

<button onclick={() => progress.set(0.5)}> 50% </button>

<button onclick={() => progress.set(0.75)}> 75% </button>

<button onclick={() => progress.set(1)}> 100% </button>

<style>
progress {
display: block;
width: 100%;
}
</style>

Error compiling component

WebAssembly.instantiateStreaming(): value type opcode @+13
import 'svelte/internal/disclose-version';
import 'svelte/internal/flags/legacy';
import * as $ from 'svelte/internal/client';
import { tweened } from 'svelte/motion';
import { cubicOut } from 'svelte/easing';

var root = $.template(`<progress class="svelte-1vol2d3"></progress> <button>0%</button> <button>25%</button> <button>50%</button> <button>75%</button> <button>100%</button>`, 1);

export default function App($$anchor, $$props) {
$.push($$props, false);

const [$$stores, $$cleanup] = $.setup_stores();
const $progress = () => $.store_get(progress, '$progress', $$stores);
const progress = tweened(0, { duration: 400, easing: cubicOut });

$.init();

var fragment = root();
var progress_1 = $.first_child(fragment);
var button = $.sibling(progress_1, 2);

button.__click = () => progress.set(0);

var button_1 = $.sibling(button, 2);

button_1.__click = () => progress.set(0.25);

var button_2 = $.sibling(button_1, 2);

button_2.__click = () => progress.set(0.5);

var button_3 = $.sibling(button_2, 2);

button_3.__click = () => progress.set(0.75);

var button_4 = $.sibling(button_3, 2);
result = svelte.compile(source, {
generate: ,
});

progress.svelte-1vol2d3 {
display: block;
width: 100%;
}

		
			
				
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                • imported: Identifier {...}
                  • type: "Identifier"
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                  • end: 69
                  • loc: {...}
                    • start: {...}
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                      • column: 10
                      }
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                      • column: 18
                      }
                    }
                  • name: "cubicOut"
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                • local: Identifier {...}
                  • type: "Identifier"
                  • start: 61
                  • end: 69
                  • loc: {...}
                    • start: {...}
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                      • column: 10
                      }
                    • end: {...}
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                      • column: 18
                      }
                    }
                  • name: "cubicOut"
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                }
              ]
            • source: Literal {...}
              • type: "Literal"
              • start: 77
              • end: 92
              • loc: {...}
                • start: {...}
                  • line: 3
                  • column: 26
                  }
                • end: {...}
                  • line: 3
                  • column: 41
                  }
                }
              • value: "svelte/easing"
              • raw: "'svelte/easing'"
              }
            }
          • VariableDeclaration {...}
            • type: "VariableDeclaration"
            • start: 96
            • end: 166
            • loc: {...}
              • start: {...}
                • line: 5
                • column: 1
                }
              • end: {...}
                • line: 8
                • column: 4
                }
              }
            • declarations: [...] (1)
              • VariableDeclarator {...}
                • type: "VariableDeclarator"
                • start: 102
                • end: 165
                • loc: {...}
                  • start: {...}
                    • line: 5
                    • column: 7
                    }
                  • end: {...}
                    • line: 8
                    • column: 3
                    }
                  }
                • id: Identifier {...}
                  • type: "Identifier"
                  • start: 102
                  • end: 110
                  • loc: {...}
                    • start: {...}
                      • line: 5
                      • column: 7
                      }
                    • end: {...}
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                      • column: 15
                      }
                    }
                  • name: "progress"
                  }
                • init: CallExpression {...}
                  • type: "CallExpression"
                  • start: 113
                  • end: 165
                  • loc: {...}
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                      • column: 18
                      }
                    • end: {...}
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                      • column: 3
                      }
                    }
                  • callee: Identifier {...}
                    • type: "Identifier"
                    • start: 113
                    • end: 120
                    • loc: {...}
                      • start: {...}
                        • line: 5
                        • column: 18
                        }
                      • end: {...}
                        • line: 5
                        • column: 25
                        }
                      }
                    • name: "tweened"
                    }
                  • arguments: [...] (2)
                    • Literal {...}
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                      • start: 121
                      • end: 122
                      • loc: {...}
                        • start: {...}
                          • line: 5
                          • column: 26
                          }
                        • end: {...}
                          • line: 5
                          • column: 27
                          }
                        }
                      • value: 0
                      • raw: "0"
                      }
                    • ObjectExpression {...}
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                      • start: 124
                      • end: 164
                      • loc: {...}
                        • start: {...}
                          • line: 5
                          • column: 29
                          }
                        • end: {...}
                          • line: 8
                          • column: 2
                          }
                        }
                      • properties: [...] (2)
                        • Property {...}
                          • type: "Property"
                          • start: 128
                          • end: 141
                          • loc: {...}
                            • start: {...}
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                              • column: 2
                              }
                            • end: {...}
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                              • column: 15
                              }
                            }
                          • method: false
                          • shorthand: false
                          • computed: false
                          • key: Identifier {...}
                            • type: "Identifier"
                            • start: 128
                            • end: 136
                            • loc: {...}
                              • start: {...}
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                                • column: 2
                                }
                              • end: {...}
                                • line: 6
                                • column: 10
                                }
                              }
                            • name: "duration"
                            }
                          • value: Literal {...}
                            • type: "Literal"
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                            • end: 141
                            • loc: {...}
                              • start: {...}
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                                • column: 12
                                }
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                                • column: 15
                                }
                              }
                            • value: 400
                            • raw: "400"
                            }
                          • kind: "init"
                          }
                        • Property {...}
                          • type: "Property"
                          • start: 145
                          • end: 161
                          • loc: {...}
                            • start: {...}
                              • line: 7
                              • column: 2
                              }
                            • end: {...}
                              • line: 7
                              • column: 18
                              }
                            }
                          • method: false
                          • shorthand: false
                          • computed: false
                          • key: Identifier {...}
                            • type: "Identifier"
                            • start: 145
                            • end: 151
                            • loc: {...}
                              • start: {...}
                                • line: 7
                                • column: 2
                                }
                              • end: {...}
                                • line: 7
                                • column: 8
                                }
                              }
                            • name: "easing"
                            }
                          • value: Identifier {...}
                            • type: "Identifier"
                            • start: 153
                            • end: 161
                            • loc: {...}
                              • start: {...}
                                • line: 7
                                • column: 10
                                }
                              • end: {...}
                                • line: 7
                                • column: 18
                                }
                              }
                            • name: "cubicOut"
                            }
                          • kind: "init"
                          }
                        ]
                      }
                    ]
                  • optional: false
                  }
                }
              ]
            • kind: "const"
            }
          ]
        • sourceType: "module"
        }
      • attributes: []
      }
    }
The AST is not public API and may change at any point in time
Tweened • Playground • Svelte