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Better glue error message

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This commit is contained in:
Bán Dénes 2020-11-08 16:37:02 +01:00
parent 8f454d9da5
commit 2b8adbd740
1 changed files with 8 additions and 1 deletions
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9
src/outlines.js
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@ -133,7 +133,8 @@ const layout = exports._layout = (config = {}, points = {}) => {
if (bound && ['middle', 'both', 'glue'].includes(side)) {
const default_glue_name = Object.keys(parsed_glue)[0]
const glue_def = parsed_glue[a.sane(params.glue || default_glue_name, `${export_name}.glue`, 'string')]
const computed_glue_name = a.sane(params.glue || default_glue_name, `${export_name}.glue`, 'string')
const glue_def = parsed_glue[computed_glue_name]
a.assert(glue_def, `Field "${export_name}.glue" does not name a valid glue!`)
const get_line = (anchor) => {
@ -152,12 +153,18 @@ const layout = exports._layout = (config = {}, points = {}) => {
const tll = get_line(glue_def.top.left)
const trl = get_line(glue_def.top.right)
const tip = m.path.converge(tll, trl)
if (!tip) {
throw new Error(`Top lines don't intersect in glue "${computed_glue_name}"!`)
}
const tlp = u.eq(tll.origin, tip) ? tll.end : tll.origin
const trp = u.eq(trl.origin, tip) ? trl.end : trl.origin
const bll = get_line(glue_def.bottom.left)
const brl = get_line(glue_def.bottom.right)
const bip = m.path.converge(bll, brl)
if (!bip) {
throw new Error(`Bottom lines don't intersect in glue "${computed_glue_name}"!`)
}
const blp = u.eq(bll.origin, bip) ? bll.end : bll.origin
const brp = u.eq(brl.origin, bip) ? brl.end : brl.origin