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strokesWeightDown.js

Area: Stroke

Decreases the stroke weight of every selected vector or text object by 1pt. The step is converted with dpi / 72, applied through a fresh LineStyle masked with LineStyleMask.Weight, and batched in a single CompoundCommandBuilder.

Source: strokesWeightDown.js


Example scripts​

strokesWeightDown.js​

Download strokesWeightDown.js

strokesWeightDown.js
/*
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Copyright (c) 2026, Canva Pty Ltd.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

'use strict';

// Strokes Weight Down: decreases the stroke weight of every selected object by 1pt.

const { CompoundCommandBuilder, DocumentCommand } = require('/commands.js');
const { Document } = require('/document.js');
const { LineStyle, LineStyleMask } = require('/linestyle.js');
const { Selection } = require('/selections.js');

const StepPoints = -1;

function main() {
const doc = Document.current;
if (!doc) {
alert("This script requires an open document");
return;
}
const nodes = doc.selection.nodes.filter(n => n.isVectorNode || n.isTextNode).toArray();
if (nodes.length == 0) {
alert("Please select one or more objects with a stroke");
return;
}
const step = StepPoints * doc.dpi / 72;
const builder = CompoundCommandBuilder.create();
for (const node of nodes) {
const lineStyle = LineStyle.createDefault();
lineStyle.weight = Math.max(0, node.lineWeight + step);
builder.addCommand(DocumentCommand.createSetLineStyle(Selection.create(doc, node), lineStyle, { lineStyleMask: LineStyleMask.Weight }));
}
doc.executeCommand(builder.createCommand());
}

module.exports.main = main;