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Add protection against spurious updates

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This commit is contained in:
Shaunak Kishore
2015-11-08 20:49:43 -05:00
parent d7b363615e
commit 9664759e7c
1 changed files with 6 additions and 2 deletions
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8
client/editor.js
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@ -4,6 +4,7 @@ Session.set('editor.glyph', undefined);
const types = ['path', 'bridges', 'strokes', 'analysis', 'order', 'verified']; const types = ['path', 'bridges', 'strokes', 'analysis', 'order', 'verified'];
let last_glyph = undefined; let last_glyph = undefined;
let last_json = undefined;
let stage = new stages.AbstractStage; let stage = new stages.AbstractStage;
const changeGlyph = (method, argument) => { const changeGlyph = (method, argument) => {
@ -116,8 +117,10 @@ Template.status.helpers({
Tracker.autorun(() => { Tracker.autorun(() => {
const glyph = Session.get('editor.glyph'); const glyph = Session.get('editor.glyph');
if (!glyph) return; const json = JSON.stringify(glyph);
if (!last_glyph || glyph.character !== last_glyph.character) { if (!glyph || json === last_json) {
return;
} else if (!last_glyph || glyph.character !== last_glyph.character) {
let last_completed_stage = types[0]; let last_completed_stage = types[0];
types.map((x) => { if (glyph.stages[x]) last_completed_stage = x; }); types.map((x) => { if (glyph.stages[x]) last_completed_stage = x; });
constructStage(last_completed_stage); constructStage(last_completed_stage);
@ -129,6 +132,7 @@ Tracker.autorun(() => {
} }
} }
last_glyph = glyph; last_glyph = glyph;
last_json = json;
}); });
Meteor.startup(() => { Meteor.startup(() => {